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Pretty much. Modern air con is a heating and cooling system.
When I test you switch it between cooling and heating to make sure you haven't lost gas. I'd expect cooling to be at 5-10°C and heating at 45-50°C to be normal. I've had units in server rooms down to 1.3°C because the room is kept cold continuously and the door is rarely opened.
Don't get me wrong. If I did a new build house with plenty of insulation I'd go for air or ground heat pumps because they are amazing efficient.
They just don't work as a way to solve problems in standard UK housing.
Interesting, ok so it sounds like you are saying there is no type of consumer level air con / reverse heat pump available - you either go balls deep with industrial and all that it entails or you suck it up. Whilst naked. With a fan.