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Which heat pump suits your home?
Air-water, hybrid, air-air, heat-pump water heater or geothermal — each system has its strengths. See the difference and find what fits you at a glance. Not sure? We advise you free and without obligation.
Free on-site visit +32 15 62 70 80Free & no obligation · Reply within 24 h
What all heat pumps share
Whatever the type, a heat pump draws free energy from its surroundings and uses far less than a conventional system.
Free energy from the surroundings
Most of the heat comes for free from air, ground or water.
High efficiency, lower bill
Up to 3 to 5× more heat than the electricity used — much lower energy costs.
6% VAT and possible grants
For homes over 10 years old; depending on the type and region, grants may apply.
The four types at a glance
Each type has its own strength. Click through for full details — or ask our advice.
Air-to-water heat pump
Heats your whole home and produces domestic hot water, via radiators or underfloor heating.
Ideal for:
Main heating in renovation or new build.
Hybrid heat pump
An air-to-water heat pump working with your gas or oil boiler: the heat pump does most of the work, the boiler takes the coldest days.
Ideal for:
Home not yet fully insulated, classic radiators.
Air-to-air (air conditioning)
Cools in summer and heats in mid-season, directly through the air.
Ideal for:
Cooling and top-up heating, one or more rooms.
Heat-pump water heater
Produces efficient domestic hot water with a built-in heat pump.
Ideal for:
Hot water only, replacing an electric tank.
Geothermal
Draws heat from the ground for the highest, year-round stable efficiency.
Ideal for:
New builds or large plots, maximum efficiency.
Heat-pump types compared
A quick comparison of the key differences.
| Air-to-water heat pump | Hybrid heat pump | Air-to-air (air conditioning) | Heat-pump water heater | Geothermal | |
|---|---|---|---|---|---|
| What it does | Heating + hot water | Heating + hot water | Cooling + heating | Domestic hot water | Heating + cooling |
| Heat source | Outside air | Outdoor air + gas or oil boiler | Outside air | Ambient air | Ground (borehole) |
| Delivery | Radiators / underfloor | Existing radiators | Through the air (indoor units) | Hot-water tank | Radiators / underfloor |
| Cools too? | Sometimes (with fan coils) | No | Yes | No | Yes |
| Investment | €€ | €€ | € | € | €€€€ |
How do you choose?
Four simple questions point you straight to the right option.
Want cooling and heating?
Choose air-conditioning (air-air).Want to heat your whole home?
Choose an air-to-water heat pump.Classic radiators and a home not yet fully insulated?
Choose a hybrid heat pump.Just want efficient hot water?
Choose a heat-pump water heater.New build or large plot, max efficiency?
Discover geothermal.Not sure which to choose?
We visit for free, assess your home and recommend the system that fits you best.
Book a free visit +32 15 62 70 80