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Last seen: Sep 15, 2026
@etchedpixels Thanks for your comments I found them interesting and helpful. Up to a point anyway. Good point about hot water. I have an EV charger ...
Hi @ashp-bobba when you said, "Only Multi units do not modulate down as low as A2W, I think at the time our example was a multi system covering multip...
Thanks for a great podcast that answered pretty much all my A2A questions. Here's some of my reflections on all the new information. I was a little...
And another question. How do defrost cycles work on air to air heat pumps? As I understand it an air to water system defrosts the outdoor heat exch...
Good questions @temperature_gradient. My understanding is... 1 Yes air to air can be used for whole home. 2 For small rooms it's common to use dir...
One more quick one. A local installer I contacted has just told me it could be 6 months before the BUS grant is available for air to air. Any idea wha...
I have a few questions for your expert. I'm looking to replace my gas combi boiler with an air to air system, though I'll wait until the BUS grant bec...
@bontwoody Thanks for the info. Quite a spread of values. I was also wondering if anyone had actually measured the performance of their system. @dgc...
I'm seriously considering an air to air A2A multi-split system in my well insulated 2 bed terrace as a way to get disconnected from the gas mains. I'm...
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Degrees of Separation
Latest Posts
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RE: Why are ASHP installs so expensive?
Only because we have all tacitly accepted that paying 1...
By JamesPa , 3 hours ago
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RE: Who's your electricity provider and what's your tariff?
@batpred When the raw material input has increased in c...
By Papahuhu , 11 hours ago
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We kept ours and Heat Geek would have been in touch if ...
By Batpred , 16 hours ago
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RE: Missing flow temperature in Heat Geek proposal
The Heat geek contract had various get-out clauses with...
By Batpred , 18 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I would encourage you to have a conversation ...
By Rob of York , 24 hours ago
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RE: Is it the house or the equipment?
Thanks @jamespa The last hard to fix draughts in the...
By springswood , 1 day ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 1 day ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 1 day ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 2 days ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 3 days ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 4 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 5 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 5 days ago
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