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 Pump24.5 kW83,597 BTU/h (6.97 Tons)
Annual Electricity Usage18,261 kWh/yrDelivers 62,088 kWh Heat (SCOP 3.4)
Savings vs Direct Electric43,827 kWh/yrSpecific Load: 114.8 W/m²
Electrical Circuit (230V)60 A BreakerPeak Compressor Input: 9.42 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 | Older Uninsulated Building (85 W/m² Base) (114.8 W/m² Peak) |
| Peak Space Heating Load | 23.88 kW Thermal |
| Recommended Heat Pump Output (Incl. DHW) | 24.5 kW (83,597 BTU/h · 6.97 Tons) |
| Seasonal Coefficient of Performance (SCOP) | 3.4 (340%–450% Seasonal Efficiency) |
| Annual Heat Demand vs Electricity Consumed | 62,088 kWh Heat → 18,261 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 Older Uninsulated Building (85 W/m² Base) in Nordic / Scandinavia (-20°C Design, SE/NO/FI/DK), the peak space heating load is 23.88 kW (114.8 W/m²). Including domestic hot water allowance, a 24.5 kW (83,597 BTU/h / 6.97 Ton) heat pump is recommended.
How many kWh of electricity does a 24.5 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 18,261 kWh of electricity per year to deliver 62,088 kWh of heat — saving 43,827 kWh/year compared to direct electric radiators.
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