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Wall Mounted Air Source Heat Pumps & Village Hall.

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We had an event at a local old village hall on Saturday.  Maximum capacity 100 people. The hall is heated only by four wall mounted heat pumps sited at just over head height. The hall was cool. The heat pumps were struggling.  The outside temperature was 6 degrees C. After turning on via a remote control unit, flaps slowly open on the internal units and warmish air comes out, which seems to flow upwards to the ceiling. With wall mounted radiators at least they are located lower down and can radiate some heat at leg height, or people can stand next to them if really chilled. I am not impressed with the heat pumps.

Z.

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    I agree that wall mounted infra red heaters might be more effective, these provide instant radiant warmth and also have the benefit that the red glow makes people feel warmer. In all but very small installations these infra red heaters should be switched in groups so as to give three levels of heating. For example 3 heaters on one switch, and 5 one another switch in order that 3 or 5, or all 8 may be turned on, or of course some other numbers but in a similar ratio.

    These heaters are almost maintenance free and should operate for years of intermittent use without attention.

    Heat pumps are however the current fashion despite high installation costs and the need for maintenance. Heat pumps are arguably suitable for premises that need long hour heating, but less so for intermittent use. 

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    I agree that wall mounted infra red heaters might be more effective, these provide instant radiant warmth and also have the benefit that the red glow makes people feel warmer. In all but very small installations these infra red heaters should be switched in groups so as to give three levels of heating. For example 3 heaters on one switch, and 5 one another switch in order that 3 or 5, or all 8 may be turned on, or of course some other numbers but in a similar ratio.

    These heaters are almost maintenance free and should operate for years of intermittent use without attention.

    Heat pumps are however the current fashion despite high installation costs and the need for maintenance. Heat pumps are arguably suitable for premises that need long hour heating, but less so for intermittent use. 

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