By installing a heat pump in his house in the hills of Oslo, Oyvind Solstad killed three birds with one stone, improving his comfort, finances and climate footprint."Yes, heat pumps work in cold climates.
Why is the UK lagging behind other countries in heat pump installation? scotsman.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from scotsman.com Daily Mail and Mail on Sunday newspapers.
They can produce 3kWh or more of heat for every kWh of electricity used to power them. Yet the rollout is not as straightforward as that equation might suggest.