Heat Pump Sizing for 276 m² (2,971 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 Pump13.6 kW46,405 BTU/h (3.87 Tons)
Annual Electricity Usage9,964 kWh/yrDelivers 33,878 kWh Heat (SCOP 3.4)
Savings vs Direct Electric23,914 kWh/yrSpecific Load: 47.2 W/m²
Electrical Circuit (230V)30 A BreakerPeak Compressor Input: 5.23 kW
Thermal & Electrical Specification Table (276 m² / 2,971 sq ft)
| Heated Floor Area | 276 m² (2,971 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 | 13.03 kW Thermal |
| Recommended Heat Pump Output (Incl. DHW) | 13.6 kW (46,405 BTU/h · 3.87 Tons) |
| Seasonal Coefficient of Performance (SCOP) | 3.4 (340%–450% Seasonal Efficiency) |
| Annual Heat Demand vs Electricity Consumed | 33,878 kWh Heat → 9,964 kWh Electricity |
Frequently Asked Questions
What kW size heat pump do I need for a 276 m² (2971 sq ft) house?
For a 276 m² (2971 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 13.03 kW (47.2 W/m²). Including domestic hot water allowance, a 13.6 kW (46,405 BTU/h / 3.87 Ton) heat pump is recommended.
How many kWh of electricity does a 13.6 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 9,964 kWh of electricity per year to deliver 33,878 kWh of heat — saving 23,914 kWh/year compared to direct electric radiators.
Compare Other Home Sizes & Climate Zones
60 m² (646 ft²) Heat Pump80 m² (861 ft²) Heat Pump100 m² (1076 ft²) Heat Pump120 m² (1292 ft²) Heat Pump140 m² (1507 ft²) Heat Pump160 m² (1722 ft²) Heat Pump180 m² (1938 ft²) Heat Pump200 m² (2153 ft²) Heat Pump250 m² (2691 ft²) Heat Pump300 m² (3229 ft²) Heat Pump276 m² in Central Europe / DACH276 m² in UK & Temperate Maritime276 m² in US North & Canada Cold276 m² in US Sunbelt & Mediterranean276 m² in Australia & Mild APAC