Heat Pumps

As per the Healthy Homes Standards, the acceptable types of heating are as follows:

  1. Heat Pumps 
  2. Closed Wood Burner
  3. Flued Gas Fire
  4. Panel Heater – Only for areas that require less than 2.4kW of heat.

HVAC NZ has long-standing relationships with leading Heat pump manufacturers and service providers across the industry and hence can offer solutionsthat are not only ecologically beneficial but also very cost-effective for property managers, landlords, and home owners.

HVAC supplies and installs the following Heat Pump brands:

  1. Daikin
  2. Mitsubishi Electric
  3. Mitsubishi Heavy Industries
  4. Hitachi
  5. Panasonic
  6. Toshiba
  7. Gree
Heat pump sizing chart – This is a guide only and it is recommended to have the space you want to heat inspected by a qualified Heat Pump professional prior to installing a heat pump – NOT recommended as a tool to meet HHS requirements.

Size of Room (m2)Ceiling Height (m)Room VolumeRequired kW Heating in a New or well insulated houseRequired kW Heating in a cold damp house or with Lots of Glass
162.4=382.12.5
202.4=482.63.1
252.4=603.33.9
302.4=724.04.7
362.4=864.75.6
452.4=1085.97
502.4=1206.67.8
602.4=1447.99.3
702.4=1689.210.9

* Subject to an ambient outdoor temperature of 7degrees.

If you are looking to meet the Healthy Homes Standards, we recommend you use the Heating Assessment Tool provided by the RTA to obtain the required capacity – as the ambient outdoor temperature as required by the RTA calculator varies with location and also factors the heat loss in a different formulation.

Please click on the link below to access the RTA Heating Tool: https://www.tenancy.govt.nz/heating-tool/

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