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 Pump14.8 kW50,500 BTU/h (4.21 Tons)
Annual Electricity Usage9,710 kWh/yrDelivers 33,984 kWh Heat (SCOP 3.5)
Savings vs Direct Electric24,274 kWh/yrSpecific Load: 71.5 W/m²
Electrical Circuit (230V)30 A BreakerPeak Compressor Input: 5.48 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 | Standard Double-Glazed Insulation (55 W/m² Base) (71.5 W/m² Peak) |
| Peak Space Heating Load | 14.16 kW Thermal |
| Recommended Heat Pump Output (Incl. DHW) | 14.8 kW (50,500 BTU/h · 4.21 Tons) |
| Seasonal Coefficient of Performance (SCOP) | 3.5 (340%–450% Seasonal Efficiency) |
| Annual Heat Demand vs Electricity Consumed | 33,984 kWh Heat → 9,710 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 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 14.16 kW (71.5 W/m²). Including domestic hot water allowance, a 14.8 kW (50,500 BTU/h / 4.21 Ton) heat pump is recommended.
How many kWh of electricity does a 14.8 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 9,710 kWh of electricity per year to deliver 33,984 kWh of heat — saving 24,274 kWh/year compared to direct electric radiators.
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