⚡ Cu ρ (75°C): 0.0214 Ω·mm²/m 🔌 NEC / IEC Standards: NFPA 70 & IEC 60364 🇺🇸 US Grid Avg: $0.175/kWh 🇩🇪 DE Grid Avg: €0.345/kWh 🇸🇪 SE Elpris: 1.54 SEK/kWh 🇳🇴 NO Strøm: 1.17 NOK/kWh 🔩 Copper Ref: $9,650/t (2026-10-25)
❄️ Heat Pump & HVAC Thermal Load · EN 12831 & ACCA Manual J Reference

Heat Pump Sizing for 214 m² (2,303 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 Pump16.5 kW56,300 BTU/h (4.69 Tons)
Annual Electricity Usage12,144 kWh/yrDelivers 41,288 kWh Heat (SCOP 3.4)
Savings vs Direct Electric29,144 kWh/yrSpecific Load: 74.2 W/m²
Electrical Circuit (230V)35 A BreakerPeak Compressor Input: 6.35 kW

Thermal & Electrical Specification Table (214 m² / 2,303 sq ft)

Heated Floor Area214 m² (2,303 sq ft)
Climate Zone & Design Outdoor TempNordic / Scandinavia (-20°C Design, SE/NO/FI/DK)
Building Insulation EnvelopeStandard Double-Glazed Insulation (55 W/m² Base) (74.2 W/m² Peak)
Peak Space Heating Load15.88 kW Thermal
Recommended Heat Pump Output (Incl. DHW)16.5 kW (56,300 BTU/h · 4.69 Tons)
Seasonal Coefficient of Performance (SCOP)3.4 (340%–450% Seasonal Efficiency)
Annual Heat Demand vs Electricity Consumed41,288 kWh Heat → 12,144 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 Nordic / Scandinavia (-20°C Design, SE/NO/FI/DK), the peak space heating load is 15.88 kW (74.2 W/m²). Including domestic hot water allowance, a 16.5 kW (56,300 BTU/h / 4.69 Ton) heat pump is recommended.

How many kWh of electricity does a 16.5 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 12,144 kWh of electricity per year to deliver 41,288 kWh of heat — saving 29,144 kWh/year compared to direct electric radiators.