Yes, the air source heat pump will meet all your heating needs and hot water requirements provided it has been sized correctly for the property. Heat pumps, whilst still a relatively new technology to the UK, have been a primary heat source to homes and businesses across Scandinavia for over 40 years where tempertures are well below those experienced in the UK.
Fervo, as an accredited MCS installer are required to ensure that our recommendations meet all your heating and hot water needs.