Hot Water Maintenance & Tips
The Cylinder Guy have been giving expert advice and providing hot water cylinders to NZ’ers since 2011
Gas Hot Water Installation Costs Rise 15% as NZ Phases Out LPG Cylinders
Gas hot water installation costs have surged 15% as New Zealand phases out LPG cylinder supply. Homeowners face equipment shortages and must choose between natural gas connections or alternative heating systems.
Outdoor Hot Water Cylinder Insulation Standards Under New Zealand Building Code Review
New Building Code amendments will require mandatory insulation upgrades for outdoor hot water cylinders from December 2026. The changes target 15-20% heat loss reductions in exposed installations nationwide.
Solar Ready Hot Water Cylinders — Building Consent Requirements Update
Building consent requirements for solar ready hot water systems have been clarified under recent Building Code amendments. The changes affect both new builds and retrofit installations across all council jurisdictions.
Heat Pump Hot Water Installation Rules Tighten Under New Building Code Changes
New Building Code changes from July 2026 will require stricter noise compliance and spacing standards for heat pump hot water installations. The changes could add $500-800 to typical residential projects but aim to reduce neighbourhood disputes.
Electric Cylinder Heat Pump Upgrades: New EECA Subsidy Rules for 2026
EECA’s new subsidy rules for electric cylinder heat pump upgrades require proof of existing system age and condition. The changes add documentation costs but target households with the greatest potential energy savings.
Wetback Hot Water Systems: New Zealand’s Wood Burner Integration Rules
New Zealand’s updated building consent requirements for wetback hot water systems now mandate specific safety valves and pressure relief systems when integrated with wood burners. Professional installation ensures compliance while maximising the cost-effective heating benefits of these renewable energy systems.
Gas Hot Water Safety Rules Tighten After Wellington Apartment Block Incident
New gas hot water safety regulations require stricter installation standards and annual inspections following recent incidents. Property owners face immediate compliance deadlines for existing systems.
6 Things You Need to Know About New Zealand’s Outdoor Hot Water Cylinder Safety Standards
New safety regulations for outdoor hot water cylinders in New Zealand are driving up installation costs and creating retrofit requirements for 180,000 existing properties. Property owners face December 2026 compliance deadlines with significantly higher standards for wind loading and structural mounting.
Solar Ready Hot Water Systems: New Building Code Requirements for 2026
New Building Code amendments from July 2026 mandate solar ready hot water infrastructure in all new residential builds. The requirements add $800-1,200 to construction costs but reduce future solar retrofit expenses significantly.
Heat Pump Hot Water Systems Face New Efficiency Standards Under Revised EECA Regulations
New EECA efficiency standards for heat pump hot water systems take effect July 2026, requiring minimum COP ratings of 3.2. The revised regulations could eliminate up to 30% of current market models that fail to meet updated performance thresholds.
Electric Cylinder Efficiency Standards: Designing for New Zealand’s 2026 Energy Regulations
New Zealand’s mandatory electric cylinder efficiency standards require minimum 85% thermal efficiency, transforming hot water system design. The regulations eliminate older low-efficiency units while maintaining flexibility in sizing and control approaches.
Wetback Hot Water Systems Face New Emissions Standards Under Climate Change Regulations
New emissions standards will require wetback hot water systems to meet stricter particulate matter limits from January 2027. Property owners face mandatory annual testing and potential retrofit costs up to $8,000.
Gas Hot Water Installation Standards Face Major Overhaul Under New NZ Building Code Amendments
New Zealand’s gas hot water installation standards are undergoing major changes in 2026, with stricter ventilation, safety, and seismic requirements that will affect both new installations and existing systems. The revised building code amendments aim to improve safety but will increase installation costs significantly.
Outdoor Hot Water Cylinder Design for New Zealand Climate Zones
New Building Code amendments have prompted designers to reconsider outdoor cylinder placement strategies across New Zealand’s climate zones. Frost damage claims increased 23% last winter, highlighting critical thermal protection design requirements.
Solar Ready Hot Water Cylinders: New MBIE Efficiency Standards Target 2027 Implementation
MBIE proposes mandatory solar ready capabilities for new hot water cylinders by 2027. The energy efficiency regulations aim to reduce household power consumption with standardised pre-wiring requirements.
Heat Pump Hot Water Cylinders Face New Energy Rating Standards Under MEPS Review
EECA’s proposed minimum energy performance standards for heat pump hot water cylinders will eliminate up to 40% of current market models by 2027. The new efficiency thresholds require coefficient of performance ratings of 3.2 or higher for air-source systems.
Electric Hot Water Cylinder Energy Efficiency Standards: New Requirements for 2026
New energy efficiency standards for electric hot water cylinders take effect in July 2026, requiring minimum insulation ratings and mandatory thermostatic mixing valves. Updated temperature controls, electrical safety and installation requirements now apply to all new cylinder installations.
Solar Ready Hot Water Systems: What NZ Businesses Should Expect in the Next 12 Months
New Building Code amendments will require solar ready hot water systems in commercial buildings from January 2027. Government funding and supply chain constraints create urgent planning requirements for NZ businesses.
Auckland Outdoor Hot Water Cylinder Regulations Tightened Under New Building Code Amendment
Auckland property owners face stricter compliance requirements for outdoor hot water cylinders from May 2026, with new seismic restraint and weather protection standards. The changes are expected to add $800-1200 to installation costs.
Heat pump hot water efficiency standards face major overhaul as EECA reviews minimum energy performance requirements
EECA’s review of heat pump hot water efficiency standards could raise minimum performance requirements by up to 20%. The changes may remove lower-performing models from the NZ market by early 2027.
What the November 2024 Building Code Update Means for Your Hot Water System
Understanding the Recent Changes to NZ Plumbing & Hot Water Regulations From 1 November 2024, the updated version of G12/AS1 — part of the New Zealand building regulations governing water supplies — introduces important changes affecting domestic hot water systems. Most notably: the maximum allowed hot-water temperature delivered at taps used for personal hygiene (bathrooms, […]
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 more efficient, cost-effective alternatives — […]
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 cutting-edge heat pump technologies, displaying […]
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 time. If that’s not enough, […]
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 system outside can be a […]
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 the best. Understanding the […]
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 a very fast rate and […]
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 signs to watch out for, […]
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 challenges came with it, and […]
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 mystery” was, what the investigation […]
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 hot water heating. The […]
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 too low — or too […]
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 hot water systems and solar […]
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. With several brands available in […]
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 your water—so you save on […]
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 quite technical and can substantially […]
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 the inside of the water […]
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, and how to take care […]
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 to upgrade. What Is […]
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 or gas water heaters. Here, […]
Holiday‑Home Hot Water Hassles — What You Should Know Before You Go
Owning a holiday home or “batch” is a great way to unwind — but if you leave it unused for weeks or months, hot water systems can act up. Whether your water heater sits idle, gets exposed to irregular power use, or simply hasn’t been maintained, problems can crop up. In this guide, we explain […]
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 increasing need for their appliances […]
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 by what you consider to […]
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 well being. Cold, damp winters […]
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 fill again. The main reasons […]
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 a difference since they provide […]
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 humble hot water cylinder: an […]
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 could cost you time, money, […]
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 time. When deciding on a […]
Electric Hot Water Cylinders in New Zealand: Benefits, Costs, and Installation Tips
Electric hot water cylinders are still among the top most sought after residential hot water systems in New Zealand. What they do is use an electric heating element to heat water and store it for further use, making them a stable and, basically, an all-round the-home solution. Electric cylinders are capable of being set up […]