Hello good people
I think it's time to start pondering long term alternative heating solutions for our homes, and the one that intrigues me the most is Air Source Heatpumps to water radiators
My knowledge is minimal right now and so I ask you all for your input and in each case I ask... no.. I beg.....
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OK - from where I am sitting it looks like it works thus - tell me I'm wrong please, where I am wrong and add detail, experience etc
- The Airsource heat pump runs on electricity
- It will only work on a well insulated home as it is a permanent source of back ground heat and not red hot radiators
- Outside your home is a large unit that looks like and aircon unit, except it is taking ambient warmth from the outside air, and using a refrigerant system similar to an A/C unit, it puts that small amount of warmth into a waterloop that warms your home radiators and potentially also a hot water tank
- It looks as though it needs to run a long time to take enough warmth from the outside winter air to warm the water loop enough for a result and therefore must be a very efficient system
My confusions arise thus -
If I want my (well insulated) home at say 18C, and the outside air is averaging 5C, just how much electricity does the system need to use to pull enough winter air through to remove the energy from the air?
Ie - elephant in the room.. the temp drops to below freezing and my house is only at 12C ..how long before we all die in our beds as the temp plummets?