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<blockquote data-quote="akaPABLO01" data-source="post: 4615818" data-attributes="member: 43748"><p>Then adjust output temperature flow to 35 degrees at -7 still has 2.41 cop. Sure you’ll pay 5.8p /kW of heat @ 14p / electrical unit but in the summer or when ourside temps above 10 you’ll get cop upward of 3.96 making overall annual saving as temperatures increase. Adjust output flow is key but as I said before, if you circulate the heat through 10mm pipe carcass and rads aren’t big enough then loss in transfer is problematic. Insulation factored in, correct calculations made makes a heat pump install work. </p><p></p><p>As my m8 [USER=42130]@Still Farming[/USER] will agree, there’s plenty of sharks out there that look at an EPC stick a wet finger in the air and install a heat pump with no correct heat loss done. You’ll find a correct heat loss will be higher than an EPC but installing a domestic doesn’t need this and run straight from epc for payments. Do as my m8 did and buy a bigger boat with a good captain. </p><p></p><p>Ashp are by far the best heat producers costing less annually overall only surpassed by gshp which have a better cop.</p></blockquote><p></p>
[QUOTE="akaPABLO01, post: 4615818, member: 43748"] Then adjust output temperature flow to 35 degrees at -7 still has 2.41 cop. Sure you’ll pay 5.8p /kW of heat @ 14p / electrical unit but in the summer or when ourside temps above 10 you’ll get cop upward of 3.96 making overall annual saving as temperatures increase. Adjust output flow is key but as I said before, if you circulate the heat through 10mm pipe carcass and rads aren’t big enough then loss in transfer is problematic. Insulation factored in, correct calculations made makes a heat pump install work. As my m8 [USER=42130]@Still Farming[/USER] will agree, there’s plenty of sharks out there that look at an EPC stick a wet finger in the air and install a heat pump with no correct heat loss done. You’ll find a correct heat loss will be higher than an EPC but installing a domestic doesn’t need this and run straight from epc for payments. Do as my m8 did and buy a bigger boat with a good captain. Ashp are by far the best heat producers costing less annually overall only surpassed by gshp which have a better cop. [/QUOTE]
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