Hot Water Maintenance & Tips
The Cylinder Guy have been giving expert advice and providing hot water cylinders to NZ’ers since 2011
How Long Does a Hot Water Cylinder Take to Heat Up? (NZ Guide by Size & Type)
Jump To Section Quick answer: From stone cold, a standard 180L electric cylinder takes about 3½ hours to reheat on a 3kW element. Smaller tanks are quicker; bigger tanks and 2kW elements take longer; and winter adds a bit on top. Heat pumps are slower to recover but far cheaper […]
Hot Water Cylinder Not Working? Common Repairs, Costs & When to Replace
Contents Quick answer: Sudden loss of hot water is most often a tripped breaker, a failed element, or a faulty thermostat — all repairable. A leaking tank, on the other hand, means the cylinder itself has failed and needs replacing. This guide helps you tell the difference before you call anyone. First checks […]
How Much Does It Cost to Replace a Hot Water Cylinder in NZ?
Contents Quick answer: Most New Zealand homeowners pay roughly $3,500–$5,500 to replace a standard electric hot water cylinder like-for-like, including supply and installation. A pressure conversion, a hard-to-reach location, or an upgrade to a heat pump cylinder ($7,500–$9,500 installed) pushes it higher. Below is what drives the price, and how to keep it sensible. […]
Gas Hot Water in New Zealand: Rising Costs and Your Options
Outdoor Cylinder Insulation Standards: NZ Building Code & MEPS Explained
Solar Ready Hot Water Cylinders: Building Consent Explained (NZ)
Wetback Hot Water Systems: NZ Wood Burner Integration Guide
Outdoor Hot Water Cylinder Design: Getting It Right for NZ’s Climate
What the November 2024 Building Code Update Means for Your Hot Water System
Understanding the Recent Changes to NZ Plumbing & Hot Water Regulations As of 1 November 2024, New Zealand’s Building Code update for acceptable solution G12/AS1 came into effect, introducing a major shift in how domestic hot water systems are installed. The biggest change? The maximum allowable water temperature delivered to […]
Switching from Gas to a Hot Water Heat Pump — A Smart Move for Kiwi Homes
Why More Homeowners Are Ditching Gas For many New Zealand households, traditional gas-based hot water heating (whether LPG bottles or piped natural gas) was once the go-to solution. However, rising gas costs and increasing monthly line charges have made gas less attractive over time. Many homes are now looking at […]
Celebrating a Decade of Innovation — What the Success of Apricus Eco Means for Your Hot Water System
A Decade of Progress in NZ Hot Water Solutions This year marks a major milestone for Apricus Eco — ten years of steering New Zealand homes toward sustainable, efficient water-heating solutions. Under the leadership of their founder “Marcus,” Apricus Eco has evolved from offering solar hot water systems to delivering […]
Why Electric Hot Water Heating Systems Are the Most Efficient and Sustainable Choice for Modern Kiwi Homes
Electric hot water systems have rapidly become a favorite option in New Zealand homes — and rightly so. With the move of residential buildings to eco-friendly and energy-saving technologies, electric hot water systems are still the ones to go in terms of being reliable, environmentally-friendly, and offering great value over […]
Everything You Need to Know About Outdoor Hot Water Cylinders for Kiwi Homes
Many New Zealand homeowners of late are choosing outdoor hot water cylinders as a fast means of creating more space inside the house, making the system safer, and enhancing its performance in general. Given New Zealand’s updated building regulations and the trend towards smaller house designs, moving your hot water […]
Mains Pressure vs Low Pressure Hot Water: What’s Best for Your Home?
When upgrading or replacing a cylinder, deciding whether to go for a mains pressure or a low pressure hot water system is probably the most crucial decision of a homeowner. Knowing the differences will allow you to pick the system that matches the size, plumbing, and lifestyle of your home […]
Gas Hot Water Heating Options: Choosing the Best Gas Hot Water Solution for Your Home
Understanding Gas Hot Water Systems One of the major reasons leading to the sustained popularity of gas water heaters is their capability to serve as a reliable and efficient hot water source in households. When coupled with an uninterrupted gas supply, such systems are able to deliver the heating at […]
How Chlorinated Water Can Damage Pipes & Hot Water Cylinders — A Homeowner’s Guide
Chlorine has become a standard method to disinfect water supplies and guard against water‑borne diseases. While this keeps drinking water safe, there is a hidden downside — chlorinated water can gradually damage your plumbing and hot water cylinders. In this guide, we explain why chlorinated water is a concern, what […]
Hunson Model RT Direct Mains Pressure Cylinders — What You Need to Know
Hot‑water cylinders have changed a lot over the decades — and among the pioneers was the Hunson Model RT. Once celebrated for delivering a better shower experience, it now belongs to a bygone era. In this guide we explain what made the Hunson RT special, why it was discontinued, what […]
The Hastings Hot Water Cylinder Mystery — What Went Wrong, and What You Should Know
In 2025 a major investigation finally shed light on why many homes in Hastings, New Zealand have experienced unusually high rates of hot‑water cylinder failures. For owners of older cylinders — especially low‑pressure copper units — the results were surprising, and alarming. In this guide, we unpack what the “Hastings […]
Why Predicted Gas Price Increases Matter for Your Hot Water Strategy
With changes in energy markets worldwide, those families that use gas to heat water will perhaps be the first to experience the consequences of gas price hikes. This situation turns out to be a very important moment for lots of New Zealand houses to think twice about their choices of […]
Top Reasons Why Proper Water Pressure is Essential for Every Kiwi Household
Why Water Pressure Matters in Hot Water Systems Your hot water system is not only about the heating part — the way the water flows also matters. Water pressure is a factor that influences how well taps, showers, appliances, and the hot water cylinder will work. If the pressure is […]
Hot Water Heat Pumps vs Solar Hot Water Systems — Which is Right for Your Kiwi Home?
Why New Zealand Homeowners Are Looking at Efficient Hot Water Solutions In response to NZ energy prices going up and the impact on the environment becoming more evident, New Zealand homeowners are searching for different solutions to electrics and gas hot water cylinders, than just replacing their existing ones. Heat pump […]
A Comprehensive Comparison of Hot Water Heat Pumps — Reclaim, Apricus, and EcoSpring
Understanding Heat Pump Hot Water Systems in New Zealand For Kiwi homeowners looking to reduce energy bills and environmental impact, heat pump hot water systems are increasingly popular. These systems extract heat from the surrounding air to warm water in a storage cylinder, using significantly less electricity than traditional electric cylinders. […]
Pros and Cons of Solar Water Heaters: A Homeowner’s Guide to Solar Hot Water for Sustainable Homes
Why Consider Solar Hot Water for Your Home Solar hot water systems are becoming a more popular choice among New Zealand households as the energy prices go up and the homeowners become more environmentally conscious. These systems don’t use gas or electricity. They capture the sun’s natural energy to heat […]
Things to Consider When Choosing a Hot Water Installer: Questions Every Homeowner Should Ask
Choosing a suitable hot water installer is probably the major decision that you will make when you are either upgrading or replacing your home’s hot water system. It is true that a hot water cylinder may be your idea of a simple appliance, but in fact, the installation process is […]
Do You Need a New Hot Water Cylinder? 6 Warning Signs Your Tank Is Failing
Key Signs It’s Time to Replace Your Cylinder Leaks, Rust or Corrosion Water pooling and rust signs on the tank exterior are some of the things that you should lookout for. If you also find discolored (brownish or metallic) water coming from taps — these are very powerful clues that […]
Hot Water Cylinders: How They Work — A Complete Guide for New Zealand Homeowners
Hot water is something that we cannot do without in our daily lives, and a good hot water cylinder is basically what will keep your showers, baths, and taps going uninterruptedly. Here, we will tell you all about a hot water cylinder – its meaning, working, types in New Zealand, […]
Heat Pump Hot Water Systems — What You Should Know Before Upgrading
As homeowners across New Zealand look for smarter, eco‑friendly ways to power their homes, hot water heat pumps are becoming an increasingly popular choice. This guide explains what a hot water heat pump is, how it works, the benefits and trade‑offs for Kiwi homes, and what to consider if you decide […]
Why Consider a Hot Water Heat Pump System — A Smart Upgrade for Kiwi Homes
With the increase in the price of electricity and the rising environmental consciousness in New Zealand, a lot of residential customers are reconsidering the way they provide hot water in their homes. A hot water heat pump is a stylish, energy-saving, and environmentally friendly solution compared to the old electric […]
Holiday‑Home Hot Water Hassles — What You Should Know Before You Go
There’s nothing worse than driving hours to your bach, unpacking the gear, stepping into the shower, and getting blasted with ice-cold water. Hot water cylinders at holiday homes have a tough life. Because they sit idle for weeks or months at a time, they suffer from problems that full-time residential […]
The Evolution of Hot Water Cylinders in New Zealand — A 50‑Year Journey
Water heating, a major part of the average New Zealand household energy consumption, has been dramatically changed in the last 50 years. Basically, the transformation has gone from electrically heated copper tanks to energy-saving systems that are automatic and the change even mirrors the technological advancements, energy awareness, and consumer’s […]
CO₂ vs R134a in Heat Pump Hot Water Systems — What Homeowners Should Know
When deciding to install a heat pump hot water system, a significant decision that you will come across is the selection of the refrigerant. Simply put, CO₂ (carbon dioxide) and R134a are two of the most common options. Each has advantages and disadvantages — and the proper decision is determined […]
The Importance of Hot Water During Winter — Why Kiwi Homes Need a Reliable Supply
Why Hot Water Matters More in Winter The chilly seasons in New Zealand are not only about the cold mornings, but they also show the importance of hot water for our comfort, hygiene, and domestic chores. A reliable hot water supply is absolutely necessary for bathing, washing, heating, and general […]
Hot Water Suddenly Gone? What to Do When Your Hot Water Cylinder Runs Out in Your Kiwi Home
Sometimes, even when you have a properly working hot water cylinder, you turn on the tap and… only cold water comes out. It’s basically a situation where the hot water that was stored has been used up in a short time and the cylinder hasn’t had time to heat or […]
The Benefits of Installing a Mains-Pressure Hot Water Cylinder in Your New Zealand Home
Why Mains-Pressure Hot Water Cylinders Are Ideal for Kiwi Homes The selection of a suitable hot-water system is basically a top 1 decision for any New Zealand house owner. Within the choice of different options, mains-pressure cylinders — also referred to as unvented cylinders — are the ones that make […]
How to Choose the Right Hot Water Cylinder for Your NZ Home: A Complete Homeowner’s Guide
How to Choose the Right Hot Water Cylinder for Your Home Having hot water on tap is something many of us take for granted — hot showers in the morning or a relaxing bath in the evening are just there when we need them. This convenience is provided by the […]
Common Hot Water Cylinder Buying Mistakes in New Zealand and the Expert Tips to Choose Right
Why Choosing the Right Cylinder Matters In many New Zealand homes, the hot water cylinder is tucked away — out of sight until that unexpected cold shower signals something has gone wrong. Buying a replacement isn’t something most people do regularly, and without experience it’s easy to make decisions that […]
Choosing the Right Hot Water Cylinder or System: Expert Advice for Long-Term Performance
How to Choose the Right Hot Water System for Your Home Choosing a new hot water system is one of the most important home‑improvement decisions you’ll make. The right system should deliver enough hot water for your household when needed — while being energy‑efficient to keep running costs manageable over […]
Electric Hot Water Cylinders in New Zealand: Benefits, Costs, and Installation Tips
Electric hot water cylinders remain the go-to choice for most New Zealand homes. They work simply by using an internal heating element to heat water in a storage tank so it’s ready whenever you turn on the tap. Depending on your home’s existing plumbing and your family’s daily water use, […]
How to Safely Drain a Hot Water Cylinder in New Zealand: Step-by-Step Guide
Sometimes the worst happens — you open the cupboard where your hot water cylinder lives and discover it is leaking. If calling a plumber immediately isn’t possible (e.g. late at night), draining the cylinder can act as a temporary “first‑aid” measure to prevent flooding inside your home. Draining the tank helps […]
Leaking Hot Water Cylinder NZ: Pete’s Guide on What to Do and When to Replace
It is not only an annoying situation when a hot water cylinder is leaking but, such kind of leakage can result in water damage to your facility, waste of energy, and, in the worst case, the total breakdown of your system. Pete from The Cylinder Guy explains that a leak can be […]
Hot Water Cylinder Maintenance: Pete’s Guide to Keeping Your System Healthy
Most Kiwis don’t think twice about their hot water cylinder until they’re hit with a freezing cold shower. Tucked away in a hallway cupboard or mounted outside, cylinders are pretty low-maintenance units—but “low maintenance” doesn’t mean zero maintenance. Spending 10 minutes once or twice a year on basic checks can […]
Gas Water Heating NZ: A Complete Guide to Systems, Benefits, and Costs
Gas water heating is still one of the most energy, efficient and dependable methods in New Zealand to have stable hot water, this is exactly what owners would want if they were looking for lower running costs, good performance, and the possibility to have a continuous flow. The gas keeps […]