Heat pump
COP 3-4. Works down to -25°C. Provides heating and hot water. 2,500-5,000 EUR. The most effective.
Electric heating
Cheap installation (500-1000 EUR), expensive operation (300-500 EUR/month). Suitable for seasonal homes.
Gas heating
Autonomous, powerful. A CO detector is required. 2-4 balloons per month. 1,500-3,500 EUR.
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