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❄️ Heat Pump & HVAC Thermal Load · EN 12831 & ACCA Manual J Reference

Heat Pump Sizing for 220 m² (2,368 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 Pump16.3 kW55,618 BTU/h (4.63 Tons)
Annual Electricity Usage10,786 kWh/yrDelivers 37,752 kWh Heat (SCOP 3.5)
Savings vs Direct Electric26,966 kWh/yrSpecific Load: 71.5 W/m²
Electrical Circuit (230V)35 A BreakerPeak Compressor Input: 6.04 kW

Thermal & Electrical Specification Table (220 m² / 2,368 sq ft)

Heated Floor Area220 m² (2,368 sq ft)
Climate Zone & Design Outdoor TempUS North & Canada Cold (-18°C Design, NY/IL/MI/ON)
Building Insulation EnvelopeStandard Double-Glazed Insulation (55 W/m² Base) (71.5 W/m² Peak)
Peak Space Heating Load15.73 kW Thermal
Recommended Heat Pump Output (Incl. DHW)16.3 kW (55,618 BTU/h · 4.63 Tons)
Seasonal Coefficient of Performance (SCOP)3.5 (340%–450% Seasonal Efficiency)
Annual Heat Demand vs Electricity Consumed37,752 kWh Heat → 10,786 kWh Electricity

Frequently Asked Questions

What kW size heat pump do I need for a 220 m² (2368 sq ft) house?

For a 220 m² (2368 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 15.73 kW (71.5 W/m²). Including domestic hot water allowance, a 16.3 kW (55,618 BTU/h / 4.63 Ton) heat pump is recommended.

How many kWh of electricity does a 16.3 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 10,786 kWh of electricity per year to deliver 37,752 kWh of heat — saving 26,966 kWh/year compared to direct electric radiators.