Heat Pump Sizing for 198 m² (2,131 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 Pump22.5 kW76,773 BTU/h (6.4 Tons)
Annual Electricity Usage15,003 kWh/yrDelivers 52,512 kWh Heat (SCOP 3.5)
Savings vs Direct Electric37,509 kWh/yrSpecific Load: 110.5 W/m²
Electrical Circuit (230V)50 A BreakerPeak Compressor Input: 8.33 kW
Thermal & Electrical Specification Table (198 m² / 2,131 sq ft)
| Heated Floor Area | 198 m² (2,131 sq ft) |
| Climate Zone & Design Outdoor Temp | US North & Canada Cold (-18°C Design, NY/IL/MI/ON) |
| Building Insulation Envelope | Older Uninsulated Building (85 W/m² Base) (110.5 W/m² Peak) |
| Peak Space Heating Load | 21.88 kW Thermal |
| Recommended Heat Pump Output (Incl. DHW) | 22.5 kW (76,773 BTU/h · 6.4 Tons) |
| Seasonal Coefficient of Performance (SCOP) | 3.5 (340%–450% Seasonal Efficiency) |
| Annual Heat Demand vs Electricity Consumed | 52,512 kWh Heat → 15,003 kWh Electricity |
Frequently Asked Questions
What kW size heat pump do I need for a 198 m² (2131 sq ft) house?
For a 198 m² (2131 sq ft) building with Older Uninsulated Building (85 W/m² Base) in US North & Canada Cold (-18°C Design, NY/IL/MI/ON), the peak space heating load is 21.88 kW (110.5 W/m²). Including domestic hot water allowance, a 22.5 kW (76,773 BTU/h / 6.4 Ton) heat pump is recommended.
How many kWh of electricity does a 22.5 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 15,003 kWh of electricity per year to deliver 52,512 kWh of heat — saving 37,509 kWh/year compared to direct electric radiators.
Compare Other Home Sizes & Climate Zones
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