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Flow Heating

For a healthier, more comfortable home

Hot Water Heat Pumps

Installing an energy-efficient hot water heat pump can save up to 75 percent on water heating costs. The advanced technology utilises the efficiency of a heat pump system, minimising energy consumption and lowering operating costs. It works by compressing heat and then generating more power than it uses. Eco-friendly hot water heat pumps are also eligible for a Green Energy bank loan.

Hot water heat pump cylinder installed outside a modern home

Upgrade Your Hot Water System

Our efficient hot water systems are designed to meet all your domestic hot water needs. We offer three main methods to achieve this: a combi-boiler, a hot water heat pump, or a hot water cylinder heated by the boiler, eliminating the need for electric elements.

Combi-Boiler

With a combi-boiler, you can enjoy on-demand hot water whenever you need it. This system combines the functions of a high-efficiency boiler and a water heater, providing instant hot water without the need for a separate storage tank.
Benefits:
  • Compact and space-saving
  • Instant hot water
  • High efficiency and convenience
  • Used to heat your central heating system as well as domestic hot water
Note: These systems are more suited to smaller houses.

Technician servicing a wall mounted heat pump unit in a plant cupboard
Hot water cylinder and pipework in a commercial plant room

Hot Water Cylinder Heated by Boiler or Air-Water Heat Pump

Hot water cylinder that is heated by the boiler or an air-water heat pump. This setup involves a separate cylinder, which is connected to the central heating system and heated by the boiler or air-water heat pump.
Benefits:
  • Stored hot water ready for use
  • Suitable for larger households
  • Used to heat your central heating system as well as domestic hot water
  • Ideal for properties with higher hot water demands

Hot water cylinder and pipework in a commercial plant room

Hot water heat pumps

Alternatively, you can opt for an all in one hot water heat pump. This is a hot water cylinder that has a built in heat pump inverter, which operates on extracting ambient air temperature compressing it and transferring the heat into the hot water cylinder.
Benefits:
  • Designed to be situated externally saving precious internal space
  • Ideal for replacing gas continuous flow hot water systems or aging hot water cylinders
  • Fast hot water recovery rate
  • Ideal for large house holds
Note: These systems are only designed for hot water production and can not be used  in conjunction with central heating.

Hot water heat pump cylinder installed outside a modern home

Energy Efficiency

Utilising a central heating system for domestic hot water ensures efficient heating with a boiler or air-water heat pump, reducing energy consumption compared to electric elements.

Cost Savings

By improving energy efficiency, users can experience reduced power bills, making it a cost-effective solution for heating water.

Sustainability

This setup contributes to a greener and more sustainable home by reducing reliance on less energy-efficient methods and aligning with environmentally friendly practices.

frequently asked questions

FAQs

You can choose between a combi-boiler, which provides on-demand hot water, or a hot water cylinder heated by the boiler or an air-to-water heat pump. Both options are energy-efficient and tailored to different household needs.

A combi-boiler combines a high-efficiency boiler and water heater in one compact unit. It provides instant hot water without a storage tank, making it ideal for smaller homes with lower hot water demands.

A hot water cylinder stores water heated by the boiler or air-to-water heat pump, ensuring a constant supply of hot water. This option is particularly suitable for larger households with higher hot water demands.

Central heating systems eliminate the need for electric elements, which consume more energy. Instead, the boiler or air-to-water heat pump heats the water efficiently, reducing utility bills and supporting a more sustainable home.

A combi-boiler is ideal for smaller homes with lower hot water usage, while a hot water cylinder is better suited to larger homes with higher demands. Our team can help assess your needs and recommend the best solution.

Yes, our team specialises in the installation and maintenance of central heating systems for domestic hot water, ensuring they are tailored to your home and installed to the highest standards.

Contact us today to discuss your hot water needs. We’ll help you choose the perfect solution and provide expert installation and maintenance services.

We are a dedicated team of central heating experts who are here to help you.

Request a quote

Testimonials

What Our Clients Say

Wellington’s longest running and most trusted Radiator and Underfloor Central Heating company.

Flow designed and installed radiator central heating for us in June 2020. This was one of the best decisions we’ve made. We can now use every area of the house all throughout winter – not more spot heating and avoiding areas because it’s too cold. The radiators Flow recommends/supplies provides such a nice, clean heat, it doesn’t feel like you have a “heater” in every room. The radiators are sized perfectly for each room, with a range of sizes, and ability to individually change the heat output. The install team were particularly great. Whilst install was necessarily disruptive, the team made it as easy as possible with the needs of me and my newborn. 100% recommend.

Adele

Simon, Stevie and Miceal have being exceptional from day 1. When I decide to install radiators home I got several business to come over my place to give me their opinion on how install radiators in my 1900 old house. Only Flow crew was able to immediately come with a very clear plan and show great competence in the field. Really a great team work and exception competence. Stevie and Miceal have a quite extensive experience in heating systems and radiators which is quite hard to find here in town. I really appreciated the customer care from the quote throughout the installation process, and the ability to have always a positive approach toward any request or unexpected complexity coming from the layout of the house. Flow is definitively a must go if you are planning to install radiators in your home! Thanks guys! Maurizio

Maurizio

Simon and the team from Flow Plumbing and Heating recently installed a hydronic central heating system in to our home. Steve and Mason have done a great job, they were professional, respectful of our home and the work completed looks great. We would be more than happy to recommend Flow Plumbing and Heating to anyone.

Owen

Simon and Michael did an awesome job retrofitting/installing the radiator system in our home. They were patient with us and completed high quality work. They also went above and beyond to clean up after themselves each day, even when we were saying this wasn’t necessary. We had compared quotes from several companies and did plenty of research prior – Flow had the highest quality products, the best value for money, and then their service was impeccable. It was clear that they had a lot of respect for our home.

Lorance

Chris and Michael from Flow Plumbing have just finished installing central heating, with 7 radiators in my house and small apartment downstairs. Having tradespeople in your home for an extended period of time, is sometimes very stressful, but having Michael and Chris here was very easy. They were very professional, tidy and went the extra mile, by pulling up floorboards to make the job was neat & tidy. Thanks to Simon for sending me the A team. Highly recommended.

Lee

I would definitely recommend Flow Plumbing to anyone considering central heating. The whole process has been smooth and very professionally managed with no problems at any stage. The installation was done without any mess in the house and the finished job looks very nice and works perfectly. The components (boiler, radiators etc) are all very good quality. I am very pleased that we finally got gas central heating installed – I only wish we had done it years ago! Will be using Flow again in the future if we ever move house, but for now we wil just enjoy our toasty warm house and endless hot water this winter! I just had the system serviced after a year – there were no problems and they adjusted it to make it work even better!

Paul

Flow replaced a central heating boiler installed by the previous owner of our place. Firstly they were able to provide a quote within a day or so by sending them pictures of the current setup. Then they were available quickly to install and do some repair work to pipes etc. All pretty easy, and Chris who did the installation was real helpful in general, and in getting the wifi and app sorted for boiler control. No surprises on how good Flow are given their 4.9 overall rating.

Lewis

We recently contacted the team at Flow Plumbing and Heating regarding installation of radiator central heating and an infinity hot water system. We were extremely impressed with the service provided. The team (Simon and Chris) were friendly and professional, they kept us fully informed throughout, and the entire installation process went smoothly. There were no hold ups with tradies or products. The installation guys (Chris and Holden) did a fantastic job, the radiators look fantastic, and our house is toasty warm. Huge thanks to the team at Flow. We love our new heaters, you did a fabulous job and it was a pleasure working with you. We wouldn’t hesitate to recommend the team at Flow.

Julie

Look no further. The team from Flow Plumbing are professional, respectful and did an outstanding job. Even my hard to please father, (old-school carpenter) was highly impressed with the work, finishing and conduct – high praise indeed. The radiators look great, and my house is consistently warm throughout with no nasty hot or cold spots. Well worth the investment – what are you waiting for?

Nicola

We had a full system of 11 radiators, heatpump, hotwater cylinder, thermostat/hub installed in our house by Flow Plumbing and Heating. The results have been transformational. The house is now warm & cosy in every room and the heat generated by the radiators is a lot more “warming” than the pitiful output from the previous two heatpumps. I honestly don’t know why radiators are not more common in NZ like they are in other parts of the world. I was hugely impressed by the workmanship of the installer (Peter) and his apprentice. He didn’t cut corners and took the time to get everything installed neatly and professionally. Great job and a very happy customer.

Andrew