9. Type of energy used for hot water supply?
Main heating
[] Oil
[] Wood
[] Heat pump
[] Electricity
[] Gas
[] Distant heat (hot water or steam)
[] Coal
[] Solar water heaters
[] Other, specify ____
Additional heating
[] Oil
[] Wood
[] Heat pump
[] Electricity
[] Gas
[] Distant heat (hot water or steam)
[] Coal
[] Solar water heaters
[] Other, specify ____
Warm water summer
[] Oil
[] Wood
[] Heat pump
[] Electricity
[] Gas
[] Distant heat (hot water or steam)
[] Coal
[] Solar water heaters
[] Other, specify ____
Warm water winter
[] Oil
[] Wood
[] Heat pump
[] Electricity
[] Gas
[] Distant heat (hot water or steam)
[] Coal
[] Solar water heaters
[] Other, specify ____