
House in České Budějovice — 12 kW air-source
gas boiler swapped for a heat pump
- 68 % saved a year against gas
- COP 4.8 at a flow temperature of 35 °C
- Installed in 3 working days

gas boiler swapped for a heat pump

shared supply for 24 flats

Solar PV + heat pumps + batteries
Unedited extracts from Google reviews and service questionnaires. Links to the originals on request.
The heat pump went in exactly as agreed. No surprises, no extra costs. A year on, the system has not missed a beat.
On behalf of the residents' association, I would choose them again. The grant paperwork, the commissioning and the monitoring afterwards — all smooth.
The hybrid system has beaten my expectations. In summer I am almost off-grid; in winter I save a great deal on heating.