Warm NZ Central Heating

Underfloor Heating

5 Waimana Road, Takanini,
Auckland, NZ

09 296 9...

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Underfloor Heating is now a popular heating system for new homes . It is not practical to retro fit into an existing home but it is ideal for new homes with options of either in concrete slab or under wooden floor, between the joists, using Rehau’s diffusion plate system.

Instead of using radiators to heat a room, hot water pipes are laid either into the concrete floor slab or under wooden floors between the joists. This warms the slab/floor providing a warm floor and radiant heat into the room.

It is much more economic to run than electric under floor systems. In an under floor system the flow and return from the boiler connect to a manifold which all the pipes run from to each room / area. The flow of water through the pipes is generally controlled by room thermostats that are preset to desirable temperatures. The temperature of the water used for under floor heating is 40°C which produces a maximum floor slab temperature of 29°C. The room temperature is generally about 8°C cooler.

The floor of your home is separated into zones which can be controlled via thermostats or manual controls, centrally or room by room. The biggest selling point with under floor heating is that the pipes are hidden and therefore do not impact on the aesthetics of the home. The down side of under floor systems is that they take substantially longer to warm up and cool down than radiators – normally 3-4 hours from cold.

Our underfloor systems are all custom designed by qualified heating engineers.

Warm NZ have teamed up with Rehau’s heating engineers to offer a unique service for architects, builders and homeowners, providing detailed, project specific designs ensuring you get your underfloor heating design correct every time.

The technical design service includes CAD drawings, hydraulic calculations, balancing and commissioning settings which can be attached to consent documentation, as well as providing a firm quote.

If you're considering underfloor heating as a heat source for your next project, give the Warm NZ team a call to find out more, and click here to read more about it on the Blog.

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