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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Sep 14, 2025
Profile Activity
Topics: 17 / Replies: 2844
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Reply
RE: Should We Rethink the Name “Heat Pump” for Homeowners?

According to Google 'The word refrigerator comes from the latin refrigare, derived from frigus (meaning cold)'

10 months ago
Forum
Well & Truly Off The Grid
Reply
RE: Should We Rethink the Name “Heat Pump” for Homeowners?

Last time I looked the air in my bicycle pump wasn't visible either! Perhaps we should call it a reverse refrigerator, a rotaregifer (pronounced rot...

10 months ago
Forum
Well & Truly Off The Grid
Reply
RE: Flow temperature- At what point?

You have to experiment, reducing it a degree at a time until it fails to heat the house up sufficiently. TRVs (if you have them) all fully open and a...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Thermostat setting...still learning

Using the Hive may be a bad idea. Fundamentally the primary control of heat pumps should be the heat pump's own controller, and in particular weath...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Should We Rethink the Name “Heat Pump” for Homeowners?

Fair enough, but the idea of a pump and the idea of energy/heat are both familiar to laymen, so I can't see we need to do anything (by way of explanat...

10 months ago
Forum
Well & Truly Off The Grid
Reply
RE: Should We Rethink the Name “Heat Pump” for Homeowners?

Maybe not. The point about pumps of all kinds is that they act against the natural flow of what they pump, and that is exactly what a heat pump does....

10 months ago
Forum
Well & Truly Off The Grid
Reply
RE: Should We Rethink the Name “Heat Pump” for Homeowners?

...which is why boilers eventually need to be banned. I don't doubt that similarly minded people will/have complained about recent floods. They need...

10 months ago
Forum
Well & Truly Off The Grid
Reply
RE: Thermostat setting...still learning

Welcome to the forum, Im sure you will find people here, who are happy to help. Its also good that you like your ASHP!. As far as the forum is conce...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Balancing a low loss header/buffer tank on a Grant Aerona 2 13kw r32 system

Not sure exactly what the picture shows as there appear to be 8 readings. If its the bottom temp readings that are of interest, the they seem to be 2...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Balancing a low loss header/buffer tank on a Grant Aerona 2 13kw r32 system

OK so lets start with some back of the envelope stuff. Your peak heating load is say 3kW. So you need 3/(4.2*4) l/s = 0.18l/s=10l/min to carry this ...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Balancing a low loss header/buffer tank on a Grant Aerona 2 13kw r32 system

OK so if you are consuming 1300kWh per year that's about £300 at current electricity prices, less if you have an ashp-optimised tarrif. So you may fe...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The good, the bad and the not that great – my heat pump installation

sorry to bring it back to gutter level - but its builders innit. I'm seriously not sure that anything we are hearing about ASHPs, frustrating though...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Page 133 / 239
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