The transition from gas heating to electric heating in an apartment

The following 5 chapters compare a conventional central gas heating system in an apartment with an individual air-to-air heat pump and a central air-to-water heat pump.

The full report can be found here.

1. Conventional central gas heating versus heat pumps

Switching to an air-to-air heat pump can offer significant energy efficiency and environmental benefits, with potential long-term cost savings. However, the initial investment costs and some operational drawbacks need to be carefully weighed up when deciding to make the switch.

2. Collective switch to heat pump

For central heating of an entire block of flats, an air-to-water heat pump is usually the best choice. This type of heat pump offers better energy efficiency, even heat distribution and can also provide hot water. Although the initial cost may be higher, the lower operating costs and environmental friendliness lead to long-term benefits.

3. Examples on the internet

The examples show that switching an entire apartment building to a central heat pump system offers benefits in terms of energy efficiency and sustainability.

4. Costs of central gas heating, individual and central heat pump

Central gas heating: Most expensive option with high energy costs.
Individual air-to-air heat pump: Cheaper than gas, but higher energy costs than the central air-to-water heat pump.
Central air-to-water heat pump: Most cost-efficient, with the lowest energy costs and maintenance costs.

This comparison shows that while initial installation costs for heat pumps may be higher, operating costs are significantly lower, resulting in long-term savings.

5. Recalculation with higher energy costs and depreciation

Central gas heating: Remains the most expensive option with significant energy costs.
Individual air-to-air heat pump: Cheaper than gas, but still more expensive than the central air-to-water heat pump, mainly due to depreciation.
Central air-to-water heat pump: The most cost-efficient option, with the lowest total costs, even when depreciation is taken into account.