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Last seen: Feb 3, 2026
I cant offer any charts of measured figures to the defrost debate, however i can add observed conditions during a defrost. My heat pump is outside the...
@cathoderay Maybe i am a skeptic, men in white coats were involved with the Dieselgate emissions scandal, it didn't stop them, when money is involv...
@cathoderay It occurs to me that there is one variable that 99.9% of heat pump installs cannot accurately check, it is the energy output. Most of u...
@cathoderay Re defrost systems, i asked the engineer about these when the system was fitted. Viessmann have a two stage defrost, if the air tempera...
@ashp-bobba Thank you for a very detailed reply, the idea of having say 3 loops in a room instead of 2 makes sense if there is a smart controller f...
@bornagain Sounds a perfect fit, I am in a 200m2 Bungalow, unfortunately i didn't know about this site so allowed the heat loss calculations to dic...
@jamespa They will see what the plumber is suggesting when he gets back the projected heat loss, Maybe with a fancoil on the landing, the design te...
@jamespa I will see what the plans are for the hallway, it should be possible to use it to get heat upstairs. When balancing the UFH flows the hall...
@majordennisbloodnok I agree that they should look at MVHR, but will need to get their builder onside, some builders don't think air-tightness matte...
@gc61 Less that one start per hour is very good, our pump can manage that when its cold, but it cant modulate down low enough in Spring and Autumn, ev...
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Degrees of Separation
Latest Posts
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RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
Yes, and I would suggest likely to get worse with more ...
By Batpred , 2 hours ago
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RE: Electricity price predictions
This topic seems more suitable for this thread... I a...
By Batpred , 3 hours ago
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RE: Why are ASHP installs so expensive?
It is clearly difficult to say, there must be cases whe...
By Batpred , 3 hours ago
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RE: Who's your electricity provider and what's your tariff?
Hi all, I'm new to this game having spent the last 25...
By gz00 , 4 hours ago
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RE: Panasonic Free Multi Z and Etherea Internal units.
@dgclimatecontrol Thank you for that information and re...
By Toodles , 8 hours ago
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RE: My Kronoterm Adapt 0312 ASHP is finally installed!
@editor It was serendipitous really. Both my wife and I...
By tomasmcguinness , 13 hours ago
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@mrkfm, I'd also suggest that whenever you're ready, st...
By Mars , 1 day ago
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RE: Are you planning to use a wood burner to supplement your central heating this winter?
I use my stove daily for backup and comfort. Definitely...
By Margarethomas , 1 day ago
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@rob-of-york Thanks. I wish I'd started on this site as...
By mrkfm , 1 day ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@downfield I just checked this morning and OE just r...
By Papahuhu , 1 day ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Thanks Will. I'll probably be a week or so before get...
By Singlespeed , 2 days ago
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RE: Cooling using an air to water heat pump
From experience this summer, a single-split A2A unit on...
By Rob of York , 2 days ago
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Analysis of the economics of switching to an A2W ASHP compared to other heat sources
This post aims to analyse the economics of installing, ...
By Rob of York , 3 days ago
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RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
By mrkfm , 4 days ago
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