If you need to provide heating for a 120 m2 house, you can consider an air-to-water heat pump with a heating rating of 9.2 kW.

For a 100 square meter house, a heat pump with a 7 kW to 8 kW heating capacity would be perfect.

Rated power	Heat pump type	Average price ( excluding installation)	Average price (including installation)
8kW 9kW	Heating only	5 000 to 7 200£	6 500 to 10 200£
	ECS	6 500 to 8 500£	8 000 to 11 500£