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Mains Pressure vs Low Pressure Hot Water

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Mains Pressure

Mains pressure hot water systems unlike low pressure systems gives you more equal water pressure between the hot and cold water lines throughout your home. 

Mains pressure systems come in many different options and are great for properties that are connected to a town supply, main water line.

If you’ve got a big whanau or a house with multiple bathrooms, these systems will give you a constant supply of hot water to multiple outlets at the same time, making them a popular choice.

The best part of a mains pressure hot water system is that it will provide you with an increase in shower pressure compared to a low-pressure system and decrease the wait time for your shower, bath or taps to heat up – giving you more hot water, faster.

An added benefit to installing a mains pressure hot water system is the increased range of tapware and fittings available as many are rated only for mains pressure, this is perfect when considering bathroom or kitchen renovations.

Mains_Pressure_cylinders

Low Pressure

Low-pressure hot water systems are commonly found in older homes in New Zealand. These systems rely on a pressure reducing valve to restrict the incoming water pressure to the cylinder, resulting in lower hot water pressure throughout the home.

In areas with colder climates, homes with fireplaces may utilize a wet back system in conjunction with a low-pressure cylinder to heat the water.

If there is a noticeable difference in water pressure between hot and cold taps or showerheads, it may indicate the presence of a low-pressure hot water system. The good news is that upgrading to a mains pressure system during a cylinder replacement can easily remedy this issue, providing the benefits of higher hot water pressure throughout the home.

Mains_Pressure_cylinders

New Building Code Regulation: What You Need to Know From November 2024 

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Following an update to NZ Building Code Clause G12/AS1, From November 1st, 2024, water temperature at the tap must not exceed 50°C at the tap of any sanitary fixture used for personal hygiene (such as bathrooms). The amendment is a reduction from the current limit of 55°C. 

This adjustment to the water temperature limit was driven by safety concerns, particularly to protect people who are more susceptible to burns and scalds, such as children or the elderly. Lowering the temperature at the tap reduces the risk of injury while still ensuring an adequate supply of hot water for daily use. 

To ensure this temperature drop, a tempering valve needs to be installed as part of any new hot water cylinder installation or replacement. The water inside the cylinder must still be stored at 60°C to prevent the growth of Legionella bacteria. The valves mix hot and cold water to safely reduce the temperature coming from the tap.  

Most installations already include a tempering valve, so they won’t be impacted by the new regulation. However, for “low to low” systems—where the water pressure is already low—adding a tempering valve has now become a requirement. 

We recommend with any low-to-low system installation, a tempering valve should be installed. It is important to note that these changes only affect new installations or replacements. Existing systems are not impacted by this regulation.  

At The Cylinder Guy, we are committed to helping you navigate these regulatory changes. Whether you’re installing a new hot water cylinder or upgrading an existing system, we can ensure that your installation meets the latest safety standards. If you have any questions about the new regulations, feel free to reach out to us—we’re here to help you stay compliant and keep you and your home safe. 

For more detailed information, refer to the Building Code Clause to G12/AS1 Amendment 13, Section 6.14.

 

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Switching from gas to a hot water heat pump: A smart move with The Cylinder Guy 

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As energy costs rise and environmental concerns grow, many homeowners are reconsidering their energy sources. One significant shift we are seeing at the Cylinder Guy is from gas hot water heating to a hot water heat pump (HWHP) hot water cylinder. This change is not just about cutting costs but also about embracing more sustainable energy solutions.  

Why switch from gas to a hot water heat pump? 

Many customers prefer the option of a HWHP over gas due to the high ongoing costs associated with gas, when it comes time to replacing their hot water heating system. Even when considering the initial investment, HWHPs prove to be more economical in the long run and there are also many finance and financial support options now available for HWHPs.  

HWHPs are also highly efficient and environmentally friendly – primarily using renewable energy from the air outside to heat your water. Making it a great solution for households with big families and a great investment if you’re looking to save money long term, reduce your carbon footprint, and increase the efficiency of your hot water heating system. 

Rising costs of gas 

The primary reason we see for switching from gas to a HWHP is the escalating cost of gas. There are two types of gas used in homes: LPG (bottled gas) and natural gas (piped through the line). While natural gas was once an economical option, the line charges have been steadily increasing. What used to be a $20-$25 monthly line fee has now surged to $50-$60 in some areas around New Zealand, leading to an annual expense of over $600 just for line charges, regardless of usage. This significant increase in fixed costs makes gas less attractive as an energy source. 

Additionally, safety concerns have led to restrictions on gas deliveries in certain areas, such as steep driveways in cities like Dunedin. This limitation has further pushed homeowners to seek alternative hot water heating solutions. With the price of gas continuously rising, many are now exploring more cost-effective and sustainable options like HWHPs. 

Considerations before making the switch: 

  • Capacity: Choosing the right capacity is crucial, especially for households transitioning from continuous flow gas systems. For larger families, we recommend systems like Reclaim C02 Hot water heat pump, which can handle up to 600 Liters a day, ensuring no one runs out of hot water. There are also many other HWHP options to suit your individual needs. We recommend a split system where the cylinder and heat pump are separate units. This configuration allows for easy replacement of the heat pump at the end of its useful lifespan, and cylinder itself can last up to 20 years. This setup ensures long-term savings and efficient performance. 
  • Advanced features: Modern HWHPs come with advanced features like Wi-Fi connectivity and mobile apps, allowing you to track and optimise your energy usage. These systems can be programmed to heat water during off-peak hours when you have a lower power charge, enabling you to maximise your efficiency and cost savings. 
  • Different hot water heat pumps available on the market: There are several different hot water heat pump models available in the New Zealand market. Each with their own set of feature and benefits, the choice for you between them often coming down to factors such as the refrigerant preference, climate, efficiency performance, space availability, and installation requirements.  Read more in our comprehensive comparison between hot water heat pumps available.

If you decide to make the switch, the installation process when upgrading from gas to HWHP includes:

  • Site Visit: We inspect the current hot water system and discuss potential installation spots.
  • Installation: If feasible, we place the heat pump where the old unit was. Otherwise, we relocate it to a more suitable position, reusing existing pipework when possible.
  • Electrical Setup: New, more robust electrical cables are installed to support the HWHP, ensuring safe and efficient operation.

Switching from gas to a hot water heat pump is a smart move for both your wallet and the environment. At The Cylinder Guy, we provide expert guidance and top-notch installation services to ensure a seamless transition. Embrace the future of hot water heating with a hot water heat pump hot water cylinder and enjoy the benefits of cost and energy efficient hot water heating. Even if you decide not to switch to a hot water heat pump, we can still assist you with transitioning to electric, mains pressure, wetback or outdoor hot water systems, offering the same level of expertise and quality service that we are known for.

For more information or to schedule a free consultation, contact us today.

Celebrating a decade of innovation | Marcus and Apricus Eco

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This year marks a significant milestone for Marcus and his team at Apricus Eco as they celebrate their 10-year anniversary in September. Over the past decade, Marcus has been at the helm, steering the company towards sustainable and innovative water heating solutions that have left an indelible mark on New Zealand’s landscape. 

The genesis of Apricus Eco 

Apricus Eco has a rich history spanning 20 years in New Zealand. Initially, the company pioneered solar hot water systems, quickly becoming the leading provider in New Zealand and Australia. Over time, Apricus evolved its technologies, maintaining a steadfast focus on environmentally sustainable water heating solutions. From solar hot water systems to Reclaim CO2 hot water heat pumps, and now the Apricus All-in-One heat pump, the company has continuously expanded its offerings to include central heating systems using both heat pumps and pellet boilers. 

Commitment to eco-friendly solutions 

Marcus’s dedication to eco-friendly solutions stems from personal experience. Having lived in both energy-efficient and non-efficient homes, he witnessed firsthand the stark differences in quality of life and cost of living. This realisation fuelled his passion for sustainability. Marcus believes in advising businesses on how to make environmentally friendly decisions to minimise or reduce their environmental impact. His values are deeply integrated into every aspect of Apricus Eco’s operations, ensuring that the company remains aligned with its mission of sustainability. 

Vision for the future 

Looking ahead, Marcus has a bold vision: by 2050, he aims for every building in New Zealand, both residential and commercial, to have a sustainable system or systems in their homes and workplaces. While ambitious, Marcus is committed to impacting as many homes and businesses as possible. For him, ‘sustainable’ means utilising heat pumps, renewable pellet boilers, or solar hot water systems. 

Selecting products for the New Zealand market 

Apricus Eco is meticulous about the products it introduces to the New Zealand market. The company emphasises quality, performance, and long-term reliability. When Apricus took over its brand representation a decade ago, they inherited the responsibility for all previously installed systems. This commitment to reliability is evident in their approach; they stock all products and spare parts locally and provide robust support to tradespeople. 

Reclaim, another brand under Apricus, features a Japanese hot water heat pump system with over 15 years of success and millions of installations in Japan. Similarly, their Apricus All-in-One system has been widely adopted in Australia and New Zealand. Apricus also imports high-quality pellet boilers from Europe, the world’s largest pellet boiler manufacturer with a 34-year record of accomplishment. Each product is thoroughly tested before entering the New Zealand market, ensuring top-notch performance and support. 

Making a difference in everyday lives 

The impact of Apricus’ products extends beyond customers to the company’s staff, many of whom use Apricus units in their homes. The company’s approach underscores its belief in the quality and effectiveness of its products, fostering a culture of sustainability within the organisation. 

Unique considerations for the New Zealand market 

New Zealand’s geographic isolation necessitates a focus on product quality and longevity. Apricus Eco ensures that all products and spare parts are readily available. New Zealand’s renewable electricity resources further enhance the efficiency of heat pumps, significantly reducing environmental impact. Flexible electricity rates also allow consumers to benefit from lower costs by timing their usage effectively. 

Customer success stories 

A notable example of customer savings involves a client who switched to a Reclaim CO2 hot water heat pump from a low mains pressure water cylinder. By leveraging a ‘free hour of power period’ offered by his power company and running appliances during this time, the customer consistently halved his power bill for 12 months. This tangible proof of savings underscores the efficiency and cost-effectiveness of Apricus’ solutions. 

Passion for helping people save 

Marcus finds immense satisfaction in helping individuals save costs and reduce their environmental footprint. For him, providing service to others is not only fulfilling but also aligns with his commitment to doing the right thing for the planet. 

Exciting new developments 

Apricus is constantly innovating. One of the latest developments is the use of R290, a highly efficient refrigerant known as propane, in their heat pumps for home heating. These systems operate at higher temperatures and are more efficient than older refrigerants, with minimal environmental impact in case of a leak. This commitment to modern, eco-friendly refrigerants highlights Apricus’s ongoing dedication to sustainability and efficiency. 

Expert advice on hot water efficiency 

Marcus offers a practical tip for homeowners: check the flow rate of your shower. An optimal rate is 9 litres per minute; less than that may compromise your shower experience, while higher rates will be reflected in your water bill. 

As Apricus Eco celebrates its 10-year anniversary, the company continues to lead the way in sustainable water heating solutions, making a positive impact on both the environment and the lives of New Zealanders. If you are interested in making the switch to a more sustainable hot water system, contact The Cylinder Guy, one of Apricus Eco’s trusted installers, to help you with all your Hot water heat pump needs.

The importance of proper water pressure in your kiwi home

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Maintaining optimal hot water performance in your Kiwi home isn’t just about having a well-functioning hot water cylinder; it also involves ensuring the right water pressure. Too much or too little pressure can lead to various issues, from inconsistent temperatures to unnecessary wear and tear on your plumbing system. Getting your water pressure adjusted can make a significant difference. 

Why water pressure matters 

Water pressure plays a crucial role in your home’s plumbing system. When it’s too high, it can cause pipes to burst, leaks, and damage to your appliances. On the other hand, low water pressure can lead to inadequate water flow, making it difficult to get a consistent and comfortable hot water supply. Proper adjustment of the water pressure valve ensures your hot water system operates efficiently and prolongs the lifespan of your plumbing. 

Leave it to the experts 

If you’ve noticed a change in your water pressure, whether it’s too high or too low, it’s essential to address it promptly. While it might be tempting to adjust your hot water cylinder yourself, it’s always better to call a professional. At The Cylinder Guy, we offer expert advice and professional services to handle any issues you’re facing. 

Why choose The Cylinder Guy? 

By contacting The Cylinder Guy, you can ensure that your hot water system operates efficiently and effectively, providing consistent and comfortable hot water throughout your home. Properly adjusted water pressure not only enhances your hot water performance but also protects your plumbing system from potential damage. 

If you need assistance with your hot water cylinder, please contact The Cylinder Guy today! Talk to one of our experts for your hot water needs and ensure your home’s water pressure is perfectly adjusted for optimal performance. 

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The importance of hot water during winter

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Winter is coming and The Cylinder Guy is here to make sure your winter nights stay cozy, and reliable when it comes to your hot water systems. At The Cylinder Guy, we understand the critical role hot water plays in maintaining comfort and well-being during these chilly months. Here’s why hot water is indispensable, especially in winter. 

1. Comfort and well-being 

The most immediate benefit of hot water during winter is the comfort it provides. Stepping into a warm shower on a chilly morning can make a significant difference in starting your day on a positive note. The soothing effect of hot water can help relax muscles, alleviate tension, and provide a comfort from the cold. 

2. Health benefits 

Hot water isn’t just a luxury; it’s a necessity for health during winter. Here’s how: 

Improved Circulation: Warm water stimulates blood flow, which is crucial for keeping you warm. This can prevent conditions such as chilblains and frostbite. 

Respiratory Relief: Inhaling steam from hot water can help clear nasal passages and alleviate respiratory issues often increased by cold, dry air. 

Hydration for Skin: Winter air is notoriously dry, leading to skin issues like dryness and irritation. Hot water baths can help moisturise and soothe dry skin. 

3. Household necessities 

Hot water is essential for various household tasks that become even more critical in winter: 

Cleaning: Washing dishes, doing laundry, and cleaning the house all require hot water for effective results. Hot water helps in killing germs and bacteria, ensuring a hygienic home environment. 

Cooking: From making hot beverages like tea and coffee to preparing warm meals, hot water is a fundamental part of winter cooking routines. 

4. Emergency preparedness 

Winter storms and extreme cold weather can sometimes lead to power outages. Having a reliable hot water system ensures that you can still access hot water for essential needs, providing a layer of security and preparedness during unexpected situations. If you would like to learn more about which hot water system would suit your needs in your region, please contact one of our experts on 0800 234 800. 

5. Emotional well-being 

The psychological benefits of hot water should not be underestimated. The simple act of taking a hot shower can significantly reduce stress levels, promote better sleep, and improve overall mood. During the darker, colder months, maintaining emotional well-being is crucial, and hot water plays a supportive role in this. 

As the temperatures drop in Aotearoa, the importance of having a reliable hot water system becomes more evident. At The Cylinder Guy, we are dedicated to ensuring that your hot water needs are met efficiently and effectively, providing comfort, and peace of mind throughout the winter season. Don’t let the cold catch you off guard—ensure your hot water system is up to the task and enjoy a warm, cozy winter. 

Stay warm and well-prepared with The Cylinder Guy! 

What to do when your hot water cylinder runs out of hot water

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Running out of hot water can be a frustrating experience, especially when you’re in the middle of a shower or doing dishes. When your hot water cylinder runs out of hot water, it’s important to understand why it happened and what steps you can take to resolve the issue. Here are some key actions you can take: 

 

1. Check recent usage 

If you’ve recently used a significant amount of hot water, such as taking a long shower or doing laundry, it’s possible that your hot water cylinder has been depleted. In this case, you may will need to wait for the cylinder to heat up more water before you have hot water again. 

2. Assess temperature settings 

Check the temperature settings on your hot water cylinder. Sometimes, the temperature may be set too low, leading to insufficient hot water. Adjusting the temperature settings can help ensure you have an adequate supply of hot water. 

3. Inspect for leaks 

Leaks in the hot water cylinder or the associated plumbing can lead to a loss of hot water. Inspect the area around the cylinder for any signs of leaks, such as puddles or dripping water. If you find a leak, it’s important to address it promptly to prevent further hot water loss. 

4. Check thermostat and heating elements 

Faulty thermostats or heating elements can also cause hot water supply issues. If you suspect a problem with these components, it’s best to consult a professional plumber or technician to inspect and repair or replace them as needed. 

5. Consider capacity and usage patterns 

Hot water cylinders come in different capacities, and your household’s hot water usage patterns can affect how quickly the cylinder runs out of hot water. If your current cylinder size isn’t meeting your hot water needs, you may need to consider upgrading to a larger cylinder or exploring alternative hot water solutions. If you aren’t too sure what options you have, talk to one of our Cylinder Guy experts for help! 

6. Contact a professional 

If you’ve tried the above steps and still experience hot water supply issues, give us a call on 0800 234 800 and our team of hot water specialists will see to it you get exactly what you need!. They can conduct a comprehensive assessment of your hot water system, identify any underlying issues, and recommend appropriate solutions to restore your hot water supply. 

Running out of hot water from your cylinder can be inconvenient, but it’s often a solvable problem with the right troubleshooting steps and professional assistance. By understanding the potential causes and taking proactive measures, you can ensure a consistent and reliable supply of hot water in your home.

A comprehensive comparison of hot water heat pumps: Reclaim, Apricus, and Ecospring 

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Hot water heat pumps are revolutionising the way we heat water for our homes and businesses. They offer energy-efficient solutions that not only save money but also reduce our carbon footprint. In this blog, we’ll compare three popular hot water heat pump models: Reclaim Hot Water Heat Pump, Apricus All-in-one Hot Water Heat Pump, and Ecospring HP300 Hot Water Heat Pump. We’ll look at their benefits and the refrigerants they use to understand their differences better. 

 

Reclaim hot water heat pump

Reclaim Energy’s hot water heat pump utilises CO2 as its refrigerant, a natural and environmentally friendly choice. CO2 has a very low Global Warming Potential (GWP) and is non-toxic, making it a sustainable option. The Reclaim model is known for its high efficiency, capable of providing hot water even in cold climates. Its advanced technology ensures reliable performance, low operating costs, and can supply over 700L of hot water per day. 

Benefits of the Reclaim Hot Water Heat Pump Co2: 

  • Environmentally friendly refrigerant (CO2) 

  • High efficiency, even in cold climates 

  • Reliable performance 

  • Low operating costs 

  • High volume hot water  

View Reclaim Hot Water Cylinder Brochure

 

Apricus All-in-one hot water heat pump R290 

Apricus’ hot water heat pump uses R290, which is propane, as its refrigerant. R290 has a very low GWP and is highly energy efficient. The Apricus model is designed to be an all-in-one solution, incorporating a storage tank and pump combined into a single unit. This design saves space and simplifies installation. 

Benefits of the Apricus All-in-one Hot Water Heat Pump R290: 

  • Environmentally friendly refrigerant (R290) 

  • All-in-one design for space-saving and easy installation 

  • Highly energy efficient 

View All-in-one Hot Water Cylinder Brochure

 

Ecospring HP300 R134a hot water heat pump

Ecospring’s hot water heat pump utilises R134a as its refrigerant. While R134a is not as environmentally friendly as CO2 or R290, it still has a lower GWP compared to traditional refrigerants like R22. The Ecospring HP300 is known for its high efficiency and reliable performance. It is designed to be compact and quiet, making it suitable for residential and commercial applications. 

Benefits of the Ecospring HP300 R134a Hot Water Heat Pump: 

  • High efficiency 

  • Reliable performance 

  • Compact and quiet design 

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In conclusion, all three hot water heat pump models offer energy-efficient and environmentally friendly solutions for heating water. The choice between them depends on factors such as the refrigerant preference, climate, efficiency performance, space availability, and installation requirements. The Reclaim Hot Water Heat Pump stands out for its use of CO2, the Apricus All-in-one Hot Water Heat Pump for its all-in-one design, and the Ecospring HP300 for its efficiency and reliability.  

Learn more about the two different types of residential hot water heat pumps and their different installation requirements.

Give us a call to discuss with our hot water specialists your specific needs and preferences. The Cylinder Guy will help you choose the best option for your home. 

 

 

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Predicted Gas Price Increases

Approximately 300,000 New Zealand homes rely on gas from fossil fuel fields for heating, hot water, or cooktops, with some regions receiving gas through pipes and others using gas bottles.

A recent report from the government highlights concerns about a potential “horror spiral” in the connections to the piped gas network as the move away from fossil fuels progresses. Two reports completed in the latter half of 2023 examined the gas outlook, predicting significant rises in gas prices over the next decade.

If your home is reliant on gas as a source of hot water heating and you’re looking at alternative options, The Cylinder Guy can give you free expert advice. Our experts are available to help guide you on your journey for more energy and cost-efficient hot water heating solutions.

 

Angela Ogier from Ernst and Young, suggests a potential price increase of 20-40% by 2035 due to rising production costs and carbon prices. Another report by energy analyst Simon Coates warns of a “death spiral” in the last five to 10 years of customers leaving the piped gas network.

Electric heating is considered cheaper than gas for new homes, and with increasing gas prices, consumers are likely to switch to alternatives. This, in turn, could raise the price of gas for those remaining users, as pipeline costs would be spread over a smaller customer base. To mitigate this, the Commerce Commission allows gas companies to recover pipeline costs upfront from customers.

While gas pipe owners aim to replace fossil gas with green gas, Simon Coates’ modelling suggests that affordable biomethane might not be sufficient to replace current household demand. Green gas options from landfills and other sources could provide alternatives, but prices would vary depending on the source and production costs.

The green gas industry is still developing, making it challenging to predict its future. Access to alternative gases could allow consumers to continue using existing appliances without costly modifications.

BusinessNZ Energy Council’s Tina Schirr suggests that securing supplies of green gas poses interesting challenges, especially for industries without electric options. Climate consultant Christina Hood mentions that bottled gas, including for barbecues, will remain available for those willing to pay. However, she advises against new gas connections in new homes, as electric alternatives are often more cost-effective.

The transition away from gas is a global concern, with various countries considering bans on new gas connections. In Australia, the state of Victoria has already banned new gas connections in new homes and government buildings, while the ACT has passed a similar ban. Business NZ calls for a bipartisan plan to provide certainty for businesses and households during the gas transition, emphasising the need for a serious conversation about alternatives to gas.

If you’re looking to move away from gas hot water heating or want to talk about alternatives, give us a call on 0800 234 800 and get a free quote to make the change or learn more about different Hot Water Cylinder options.

Coefficient of performance – CO2 vs R134a

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At The Cylinder Guy we want to help you make the best decision if you are looking to get a hot water heat pump system. Hot water heat pump systems are highly efficient and environmentally friendly, however, not all of them are created equal.  

Two of the main refrigerants found in hot water heat pumps are CO2 and R134a, and these have different impacts to the environment and cost effectiveness. This blog will explore the Coefficient of Performance (COP) of both refrigerants and their environmental impact, while also helping you make an informed decision for your new or updated hot water heat pump system. 

Understanding coefficient of performance (COP)  

COP is a critical metric when evaluating the energy efficiency of a heating or cooling system. It represents the ratio of useful heat output to the energy input required to produce it. The greater the COP, the more efficient your system is. This is essential in understanding the difference between a hot water heat pump model with CO2 or R134a as the refrigerant. 

CO2 cylinders: The green revolution 

CO2, often referred to as R744 in refrigeration terminology, is a natural refrigerant that has gained popularity due to its low Global Warming Potential (GWP) and Ozone Depletion Potential (ODP). When used in hot water cylinders, CO2 systems can achieve impressively high COP values. This makes them a sustainable choice for those seeking to minimize their carbon footprint. 

Advantages of CO2 cylinders: 

Low Environmental Impact: CO2 has a GWP of 1, making it an excellent choice for environmentally conscious consumers. 

High COP Values: CO2 systems can achieve COP values well above 4, indicating a highly efficient heating process. 

Renewable Energy Compatibility: CO2 systems can be integrated with renewable energy sources, such as solar or geothermal, further reducing their environmental impact. 

R134a cylinders: established, and advantaged 

R134a, a hydrofluorocarbon (HFC), has long been a standard refrigerant in various applications. However, its high GWP of 1,430 has led to concerns about its environmental impact. Despite this, R134a hot water cylinders are still in use. This is because they come with many advantages, such as being well established and widely used, making them readily available. They also have a history of reliable performance, providing consistent hot water. 

Environmental considerations 

When choosing between CO2 and R134a hot water heat pump systems, it’s important to weigh the environmental impact. While R134a systems offer familiarity and reliability, CO2 systems are the more sustainable choice due to their significantly lower GWP, not to mention they also are more cost efficient, and you know they are doing good work for the environment. CO2 hot water heat pumps often have a controller which makes it easier and more convenient to manage your energy needs and use. You are in control of when and how your hot water system works for you. The CO2 hot water heat pumps demonstrate exceptional performance in cold weather conditions, eliminating the necessity for an additional electrical element to support water heating. 

One limitation of R134a is that it has difficulty reaching temperatures above 60℃ without additional heating. This means that in applications where higher temperatures are required, such as certain industrial processes or specialised applications, R134a alone may not be sufficient. 

To address this limitation, many R134a -systems are equipped with a back-up heating element. This element provides additional heat when the temperature needs to exceed the natural capabilities of R134a. The back-up element kicks in when the refrigerant alone is unable to achieve the desired temperature, ensuring that the system can meet the specific heating requirements. 

 

CO2 Hot water heat pumps use a technology that offers a distinct benefit over traditional R134a models. Unlike standard R134a systems, CO2 Hot water heat pumps feature a design that allows for single pass heating over 60 degrees Celsius. This means that CO2 Hot water heat pumps can achieve higher temperatures without the need for a back-up element. This can be a significant advantage in situations where precise and consistent high-temperature control is critical. 

The ability of CO2 Hot water heat pumps to provide single pass heating over 60 degrees Celsius can lead to increased efficiency and potentially lower energy consumption, as it eliminates the need for additional heating elements. Additionally, it may have implications for the overall design and cost-effectiveness of systems utilising CO2 hot water heat pumps technology. 

In summary, R134a models typically rely on a back-up element to achieve temperatures over 60 degrees Celsius, CO2 hot water heat pumps technology offers a distinct advantage by enabling single pass heating at these higher temperatures without the need for additional heating elements. This can lead to more efficient and cost-effective systems in applications where precise temperature control is crucial. 

In the quest for sustainable and energy-efficient hot water heat pumps solutions, the choice between CO2 and R134a cylinders can be difficult. While R134a systems are known for their reliability, it’s also important to consider the environmental benefits of CO2 cylinders. As we collectively move towards a greener future, opting for CO2-based systems can make a significant contribution to reducing greenhouse gas emissions. It’s important to note that when it comes to hot water heat pumps, both options excel compared to other hot water heating systems.  

Here at The Cylinder Guy we offer hot water heat pumps with either refrigerant. Providing a balanced selection, making sure we have an option for what you want and need. Ultimately, the decision depends on your individual preferences, budget, and the desire to align with environmentally conscious practices. Whichever choice you make, ensuring proper installation with The Cylinder Guy will optimise the performance of your chosen hot water cylinder system. 

Contact our friendly team if you’d like to learn more about different hot water heat pump options.

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