There’s a reason why 50+ Design & Build partners choose warmth.nz
Over past 12 years, warmth.nz are continuesly working with these experts in building energy-efficient homes
Over past 12 years, warmth.nz are continuesly working with these experts in building energy-efficient homes
Powered by air-to-water heat pumps generating radiant heat, our systems are very cost-effective.
You’ll love in-slab underfloor heating because… Learn More
We are offering cooling as well. The same heat pump and network of pipes can be used for cooling. You can enjoy a warm winter and a cool summer with warmth.nz underfloor system. Learn More
Air-to-water heat pumps are ideal for domestic hot water heating, swimming pool heating. Compare to electrical water heaters, heat pump hot water is energy (cost) saving from day one. And… Learn More
We are supplying underfloor heating components including floor pipes, manifolds, heat pumps, installation tools, kits.Learn More
Luxurious underfloor heating pipes throughout and heats every room
Using a range of energy efficient heat pumps with SCOP of 4.88:1
Thermostatically controlled system - simple and effective
Long Life System Warranty. Additional one year warranty for heat pump(s)
Minimal waste produced. Using green heat source. No fossil fuels involved
No ongoing service charge. No ferrous component installed
No Additional tank required for underfloor heating system
No hot air blowing around or heating the ceiling first
Follow up - just got the the underfloor hooked up after waiting a year to see if we needed it as our house is near passive house standard. While the air temp was fine the concrete floor was a bit cool for comfort over the winter months. The underfloor heating makes a huge difference. Thanks again to the Warmth team!
We're going through our 4th winter in our new house and choosing to install underfloor heating with Warmth.nz was one of the best decisions we made when building our house. Everyone comments how nice and warm our house always is. Martin, John and the whole team were great through the whole process and still provide great after sales support and service. Highly recommended!
“We love our underfloor heating. It is very economical to use and gives the whole house a magnificent feeling of warmth and comfort. We have found it has become more efficient to run as the slab dries and we set the controls to take advantage of natural heating gains. The installation and service of the system was easy and the team were great to work with”. Winner 2017 World Architectural News Best Modern Method of Construction project award, designed by MC architectural Studio in Christchurch NZ.
We used warmth.nz underfloor heating in NZ's 1st 10 Homestar rated home. This system and the way it was integrated into the design and utilising other complimentary technologies was the biggest breakthrough in energy efficiency we have experienced in any project. We have installed similar systems by warmth.nz in almost all our BBA designs since. It is a dual system for both hot water and underfloor heating with a super efficient hot water heat pump powered by PV solar panels. The floor slab is fully insulated and effectively acts like a battery as it provides storage of solar-generated thermal energy.
"It has now been two years since we moved into our new home, after only having Hi walls and Ducted heating systems in the past I am very impressed at the increased level of comfort we have with a heated floor. Combining that with the hot water heat pump our power bill is a lot lower than I expected. Nearly half what our friends pay, and our entire home is warm all the time. We found Warmth’s quote was a lot less than their competitors making in floor heating an affordable option for us, they offered less control which I was a little nervous about, however testing over the last two years has found you just don’t need it. Our whole house is warm and comfortable all the time. Thanks Warmth.NZ, we recommend you to any one building a new home."
"warmth.nz is a great team offering good quality product and excellent service. As an architect I can say that support in creating a unique solution for always unique design is very important. In architecture things are never a repeat solution and need to be designed specifically for requirements, however the experience in combination with theory is the necessary combination that warmth.nz is happily offering, sharing and this very much resonates with my personal believe in importance of sharing the knowledge and experience. "
Installing a hot water and underfloor heating system with the warmth team, have been stellar to deal with and went beyond the call of duty to repair an accidental hole another contractor put in one of the pipes. Could have been a messy finger pointing exercise but really impressed that they just got in there and got it sorted. Looking forward to next winter!
The system is working well and saves a lot of $$$. It’s so warm in the whole house, and you don’t have to worry about Turn on/off when you away from home to holiday for days.
Underfloor heating has been used for centuries. The Romans used it for home heating about over 2000 years ago.
The heat pump heats water and circulates it through a network of pipes laid in the floor. The house is divided into a series of zones or regions and controlled by a manifold placed inside the house. By circulating the water on a frequent basis the slab is evenly heated. Overall control is set by a thermostat placed in a neutral heat zone in the house. This means it will not shut down due to high heat from the sunny side of the house and keep on running due to being on the cold side of the house. The temperature can be programmed to go down to a pre-determined temperature before the heat pump starts heating the slab up again.
Hydronic heating with water pipes in the slab, is simply the best way of heating a home.
Yes, the heat pump can work under -20 degrees. While the efficiency is lower compared to the warmer days, they will still be more efficient than other forms of home heating.
Note – a slab can store a lot of energy, so a house will not go really cold in winter – whatever the weather
It really is very simple and cost effective. However, there are a few things to consider and it is best to talk to warmth.nz to find out more. Anyone building a new house will get a benefit from hydronic underfloor heating compared to just installing wall mounted heat pumps. How to get maximum benefit requires consideration of insulation, house orientation to north etc. On this basis, some houses will be much more efficient to run due to thermal gain and design factors. Hydronic underfloor heating is superior to all other forms of heating.
No, it’s not expensive. The myth with the high running cost is based on electric underfloor(undertile) heating.
A heat pump uses about 1/4 of electricity to generate same amount of heat energy comparing the traditional electric underfloor heating or electric heater.
You can turn rooms off but generally leaving them on means the house is evenly heated with minimal losses. The flow through every run of pipe can be adjusted to lower the relative temperature – hence it is easy to reduce bedroom temperature for example.
This varies from house to house and personal comfort levels. We can advise on who to talk to regarding insulation, building materials, thermal gain and losses. We can also provide information on the best size of heat pump for in-slab heating and hot water heating.
Hot water heat pumps are as efficient as conventional high wall heat pumps. However, the whole house is heated and there are no draughts.
Hot water heat pumps have similar efficiencies. A larger unit will cost more to purchase, run for a shorter period of time, and cost the same to run overall.
Yes. The heat pumps can be reversed into cooling mode easily. Radiant cooling has been widely used overseas.
No. If the slab is prepared properly and the wood applied correctly, the heat in the slab won’t affect flooring. Some carpet underlays may act as a thermal barrier, and you should check this with your carpet supplier.
The maximum floor surface temperature is 25 degree Celsius.