Heat Pump Sizing for 214 m² (2,303 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 Pump15.9 kW54,253 BTU/h (4.52 Tons)
Annual Electricity Usage10,491 kWh/yrDelivers 36,720 kWh Heat (SCOP 3.5)
Savings vs Direct Electric26,229 kWh/yrSpecific Load: 71.5 W/m²
Electrical Circuit (230V)32 A BreakerPeak Compressor Input: 5.89 kW
Thermal & Electrical Specification Table (214 m² / 2,303 sq ft)
| Heated Floor Area | 214 m² (2,303 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 | 15.3 kW Thermal |
| Recommended Heat Pump Output (Incl. DHW) | 15.9 kW (54,253 BTU/h · 4.52 Tons) |
| Seasonal Coefficient of Performance (SCOP) | 3.5 (340%–450% Seasonal Efficiency) |
| Annual Heat Demand vs Electricity Consumed | 36,720 kWh Heat → 10,491 kWh Electricity |
Frequently Asked Questions
What kW size heat pump do I need for a 214 m² (2303 sq ft) house?
For a 214 m² (2303 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 15.3 kW (71.5 W/m²). Including domestic hot water allowance, a 15.9 kW (54,253 BTU/h / 4.52 Ton) heat pump is recommended.
How many kWh of electricity does a 15.9 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 10,491 kWh of electricity per year to deliver 36,720 kWh of heat — saving 26,229 kWh/year compared to direct electric radiators.
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