In the latest in our series, we look at claims heat pumps will cause a risky surge in electricity demand

Newer models are quieter than older ones, and barking dogs are a far bigger cause of complaints

Many people fear the UK’s draughty old properties are too great a challenge for the technology

Critics claim the technology is best suited to newbuilds – but studies reveal success with retrofits and in poorly insulated homes

Critics claim that the technology is not up to the job – we examine whether the facts bear this out