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DowallyDrifter
@dowallydrifter
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Joined: Mar 13, 2025
Last seen: Mar 29, 2025
Topics: 1 / Replies: 7
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RE: Replacing knackered oil boiler with ASHP - Perthshire

@abernyte thanks tbh I was more thinking about bolstering the insulation within the timber frame which would entail removal of plasterboard etc. and ...

1 month ago
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RE: Replacing knackered oil boiler with ASHP - Perthshire

@bontwoody results from the simple calculator point toward 16.5kW heat pump plugging in U values from original docs. walls 0.45, roof 0.24, windows...

1 month ago
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RE: Replacing knackered oil boiler with ASHP - Perthshire

@jamespa oil varies 2500-4000 litres a year for boiler and aga, ca. 4 cu.m wood p.a. Original design for UFH showed outside walls with K=0.45 W/sq.m/K...

1 month ago
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RE: Replacing knackered oil boiler with ASHP - Perthshire

@bontwoody Thanks. Oil figures available but can't isolate aga from the dead boiler usage unfortunately.

1 month ago
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RE: Replacing knackered oil boiler with ASHP - Perthshire

@bontwoody Thanks - will have a go at the calcs as I've the data that they used. I've asked about buffer today and waiting on a reply.

1 month ago
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Two projects in design stage

Hi, We have TWO potential ASHP property projects: one at our Perthshire 5 bed, timber frame 270sq.m house, UFH throughout with a dead oil boiler (10...

1 month ago
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