New Zealand · costs in NZD

18 kW Heat pumps: Energy Use & Running Costs

92 currently registered heat pumps have a rated cooling capacity from 17 kW up to 19 kW (the band around the marketed 18 kW size), covering 122 model numbers.

Registered models
92
122 model numbers
Median annual electricity use
8,244 kWh
mixed 4,300 · hot 5,263
Median estimated running cost
$2,720 / year
middle half: $2,406 to $3,064
Median star rating
2.8
range 0.0 to 10.0

Cold climate zone, residential profile, one entry per registration. Lowest annual use in the set: 870 kWh; highest: 13,753 kWh.

Star rating distribution

Cooling star ratings, 18 kW air conditioners (92 registrations, cooling stars, cold zone). Click a bar to list models with at least that rating.

Lowest annual electricity use

Reverse cycle

  1. Smart User SMV-V170W/N1 5,813 kWh, 3.5 stars, 17 kW
  2. Silicon Electronics EMV-V170W/N1 5,813 kWh, 3.5 stars, 17 kW
  3. Smart User SMV-V200W/N1 6,654 kWh, 3.5 stars, 18 kW
  4. Silicon Electronics EMV-V200W/N1 6,654 kWh, 3.5 stars, 18 kW
  5. Smart User SMV-V225W/N1 6,661 kWh, 4.5 stars, 18 kW
  6. Carrier 38QSH170D8S / 42QSH170D8S 6,907 kWh, 3.5 stars, 17 kW

Cooling only

  1. Bonaire CRC6940017/CRC6940117 870 kWh, 3.5 stars, 17 kW
  2. Bonaire CRC6943017/CRC6940117 890 kWh, 3.5 stars, 17 kW
  3. Lennox TSA060S41-3/CH33-62D-2F-3 1,467 kWh, 1.5 stars, 17.04 kW
  4. Actron Air CCA200T / EAA200S 1,496 kWh, 1.5 stars, 18.6 kW

All 18 kW heat pumps (8)

Clear
18 kW air conditioners
ModelStarsEst. cost / yrCompare
Smart User SMV-V225W/N1Multi-split / VRF22.5 kW heating18 kW cooling6,661 kWh/yr4.5$2,198
Midea DUCMI170IHB/UCMI170OBSplit system, ducted17.5 kW heating17 kW cooling7,066 kWh/yr4$2,332
Kaden KDI60 / KDI60Split system, ducted18 kW heating17 kW cooling7,317 kWh/yr4$2,415
Mdv C-UV-170N8-QC3W / CDV-170HFN8-QC3WSplit system, ducted17.5 kW heating17 kW cooling7,389 kWh/yr4$2,438
Fujitsu AOTG65LRLA/ARTG65LHTASplit system, ducted20 kW heating18 kW cooling7,679 kWh/yr10$2,534
Rinnai DONSR17Z72Split system, ducted17.5 kW heating17 kW cooling7,751 kWh/yr4.5$2,558
Rinnai DONSR17Z72/DINLR17Z72Split system, ducted17.5 kW heating17 kW cooling7,751 kWh/yr4.5$2,558
Rinnai DONSGHW18Z2/DINLR17Z72Split system, ducted17.5 kW heating17 kW cooling7,751 kWh/yr4.5$2,558
18kW Heat pumps: Energy Use & Running Costs