Heat Pump Sizing for 174 m² (1,873 sq ft) — US North & Canada Cold (-18°C Design, NY/IL/MI/ON)
Thermal heat loss calculation, recommended heat pump capacity (kW, BTU/h & HVAC Tons), SCOP efficiency, and annual electricity consumption.
Recommended Heat Pump13.0 kW44,358 BTU/h (3.7 Tons)
Annual Electricity Usage8,530 kWh/yrDelivers 29,856 kWh Heat (SCOP 3.5)
Savings vs Direct Electric21,326 kWh/yrSpecific Load: 71.5 W/m²
Electrical Circuit (230V)30 A BreakerPeak Compressor Input: 4.81 kW
Thermal & Electrical Specification Table (174 m² / 1,873 sq ft)
| Heated Floor Area | 174 m² (1,873 sq ft) |
| Climate Zone & Design Outdoor Temp | US North & Canada Cold (-18°C Design, NY/IL/MI/ON) |
| Building Insulation Envelope | Standard Double-Glazed Insulation (55 W/m² Base) (71.5 W/m² Peak) |
| Peak Space Heating Load | 12.44 kW Thermal |
| Recommended Heat Pump Output (Incl. DHW) | 13.0 kW (44,358 BTU/h · 3.7 Tons) |
| Seasonal Coefficient of Performance (SCOP) | 3.5 (340%–450% Seasonal Efficiency) |
| Annual Heat Demand vs Electricity Consumed | 29,856 kWh Heat → 8,530 kWh Electricity |
Frequently Asked Questions
What kW size heat pump do I need for a 174 m² (1873 sq ft) house?
For a 174 m² (1873 sq ft) building with Standard Double-Glazed Insulation (55 W/m² Base) in US North & Canada Cold (-18°C Design, NY/IL/MI/ON), the peak space heating load is 12.44 kW (71.5 W/m²). Including domestic hot water allowance, a 13.0 kW (44,358 BTU/h / 3.7 Ton) heat pump is recommended.
How many kWh of electricity does a 13.0 kW heat pump use per year?
With a Seasonal Coefficient of Performance (SCOP) of 3.5 over 2400 full-load equivalent heating hours, the heat pump consumes approximately 8,530 kWh of electricity per year to deliver 29,856 kWh of heat — saving 21,326 kWh/year compared to direct electric radiators.
Compare Other Home Sizes & Climate Zones
60 m² (646 ft²) Heat Pump80 m² (861 ft²) Heat Pump100 m² (1076 ft²) Heat Pump120 m² (1292 ft²) Heat Pump140 m² (1507 ft²) Heat Pump160 m² (1722 ft²) Heat Pump180 m² (1938 ft²) Heat Pump200 m² (2153 ft²) Heat Pump250 m² (2691 ft²) Heat Pump300 m² (3229 ft²) Heat Pump174 m² in Nordic / Scandinavia174 m² in Central Europe / DACH174 m² in UK & Temperate Maritime174 m² in US Sunbelt & Mediterranean174 m² in Australia & Mild APAC