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Do-It-Yourself (DIY) Question & Answer Forum
Pool heater please be gentle
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<blockquote data-quote="johnb2713" data-source="post: 531034" data-attributes="member: 35153"><p>That's an air to water heatpump you've seen advertised, existing systems have problems with lower flow temperatures which means bigger radiators are needed etc.</p><p>Mine are individual split air conditioning units, mostly Mitsubishi Inverter ones between 3.5kW and 5 kW per room. They can heat or cool and work really well, almost silent in operation. We have used them for heating with outside air temperatures down to -18 degC and they still manage to heat the room efficiently (COP was down to 2.7 or thereabouts). The nice thing is, when it's hot outside, it isnt inside LOL, when we had the recent 40 deg C, the neighbours were round for a cooling down session LOL</p><p></p><p>Units like this (we were having repairs done following a flood).</p><p>[ATTACH=full]13946[/ATTACH]</p><p>[ATTACH=full]13947[/ATTACH]</p><p></p><p>Cost circa £550 for 3.5kWh and £750 for 5kWh, I bought 3 second hand hardly used for £250 each and install them myself, you do need a vacuum pump though to do it properly.</p></blockquote><p></p>
[QUOTE="johnb2713, post: 531034, member: 35153"] That's an air to water heatpump you've seen advertised, existing systems have problems with lower flow temperatures which means bigger radiators are needed etc. Mine are individual split air conditioning units, mostly Mitsubishi Inverter ones between 3.5kW and 5 kW per room. They can heat or cool and work really well, almost silent in operation. We have used them for heating with outside air temperatures down to -18 degC and they still manage to heat the room efficiently (COP was down to 2.7 or thereabouts). The nice thing is, when it's hot outside, it isnt inside LOL, when we had the recent 40 deg C, the neighbours were round for a cooling down session LOL Units like this (we were having repairs done following a flood). [ATTACH=full]13946[/ATTACH] [ATTACH=full]13947[/ATTACH] Cost circa £550 for 3.5kWh and £750 for 5kWh, I bought 3 second hand hardly used for £250 each and install them myself, you do need a vacuum pump though to do it properly. [/QUOTE]
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Pool heater please be gentle
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