Do Ground Source Heat Pumps Use a Lot of Electricity?
Understanding the electricity consumption of ground source heat pumps and how it compares to other heating systems.
GSHP Electricity Consumption Explained
Yes, ground source heat pumps do use electricity, but they're incredibly efficient. For every 1 kWh of electricity used, a GSHP produces 3-4 kWh of heat energy.
Electricity Used
3,000-6,000 kWh
Per year (typical UK home)
Heat Produced
12,000-24,000 kWh
Per year (at COP of 4)
Annual Running Cost Comparison
*Based on heating demand of 12,000 kWh and current energy prices
Why GSHPs Are So Efficient
- Stable ground temperature: Underground temperatures remain 10-12°C year-round
- High COP ratings: Ground source systems achieve COP of 4-5 vs 3-4 for air source
- Consistent performance: Efficiency doesn't drop in cold weather like air source
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