Heat Pump Sizing for 208 m² (2,239 sq ft) — Nordic / Scandinavia (-20°C Design, SE/NO/FI/DK)
Thermal heat loss calculation, recommended heat pump capacity (kW, BTU/h & HVAC Tons), SCOP efficiency, and annual electricity consumption.
Recommended Heat Pump10.4 kW35,486 BTU/h (2.96 Tons)
Annual Electricity Usage7,509 kWh/yrDelivers 25,532 kWh Heat (SCOP 3.4)
Savings vs Direct Electric18,023 kWh/yrSpecific Load: 47.2 W/m²
Electrical Circuit (230V)25 A BreakerPeak Compressor Input: 4.0 kW
Thermal & Electrical Specification Table (208 m² / 2,239 sq ft)
| Heated Floor Area | 208 m² (2,239 sq ft) |
| Climate Zone & Design Outdoor Temp | Nordic / Scandinavia (-20°C Design, SE/NO/FI/DK) |
| Building Insulation Envelope | Modern / New Build Insulation (35 W/m² Base) (47.2 W/m² Peak) |
| Peak Space Heating Load | 9.82 kW Thermal |
| Recommended Heat Pump Output (Incl. DHW) | 10.4 kW (35,486 BTU/h · 2.96 Tons) |
| Seasonal Coefficient of Performance (SCOP) | 3.4 (340%–450% Seasonal Efficiency) |
| Annual Heat Demand vs Electricity Consumed | 25,532 kWh Heat → 7,509 kWh Electricity |
Frequently Asked Questions
What kW size heat pump do I need for a 208 m² (2239 sq ft) house?
For a 208 m² (2239 sq ft) building with Modern / New Build Insulation (35 W/m² Base) in Nordic / Scandinavia (-20°C Design, SE/NO/FI/DK), the peak space heating load is 9.82 kW (47.2 W/m²). Including domestic hot water allowance, a 10.4 kW (35,486 BTU/h / 2.96 Ton) heat pump is recommended.
How many kWh of electricity does a 10.4 kW heat pump use per year?
With a Seasonal Coefficient of Performance (SCOP) of 3.4 over 2600 full-load equivalent heating hours, the heat pump consumes approximately 7,509 kWh of electricity per year to deliver 25,532 kWh of heat — saving 18,023 kWh/year compared to direct electric radiators.
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