Heat Pump Sizing for 102 m² (1,098 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 Pump11.9 kW40,604 BTU/h (3.38 Tons)
Annual Electricity Usage7,728 kWh/yrDelivers 27,048 kWh Heat (SCOP 3.5)
Savings vs Direct Electric19,320 kWh/yrSpecific Load: 110.5 W/m²
Electrical Circuit (230V)25 A BreakerPeak Compressor Input: 4.41 kW
Thermal & Electrical Specification Table (102 m² / 1,098 sq ft)
| Heated Floor Area | 102 m² (1,098 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 | 11.27 kW Thermal |
| Recommended Heat Pump Output (Incl. DHW) | 11.9 kW (40,604 BTU/h · 3.38 Tons) |
| Seasonal Coefficient of Performance (SCOP) | 3.5 (340%–450% Seasonal Efficiency) |
| Annual Heat Demand vs Electricity Consumed | 27,048 kWh Heat → 7,728 kWh Electricity |
Frequently Asked Questions
What kW size heat pump do I need for a 102 m² (1098 sq ft) house?
For a 102 m² (1098 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 11.27 kW (110.5 W/m²). Including domestic hot water allowance, a 11.9 kW (40,604 BTU/h / 3.38 Ton) heat pump is recommended.
How many kWh of electricity does a 11.9 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 7,728 kWh of electricity per year to deliver 27,048 kWh of heat — saving 19,320 kWh/year compared to direct electric radiators.
Compare Other Home Sizes & Climate Zones
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