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Last seen: Aug 14, 2026
You are right It will depend on how its been wired and the system configured. Most likely its been set up as a call for heat that is...
You need a plan first I think, it's really about wiring not plumbing and personally wouldn't trust anyone to get it right without a plan. Really t...
You dont need one and you dont want one as it conflicts with the heat pumps own controller. What does the thermostat actually control/connect to, ha...
And mice or other pests given the gaps.
In the latter case is it all the time or at certain events only. Vaillant are, according to others, pretty sensitive about their heat pumps being ...
If you are still hearing the noise with NR enabled (which defaults to 60% max compressor modulation) then there is definitely something odd. At that ...
Not sure what we are looking at, other than evidence of an installer who says 'here is a hole, let's shove everything inio it'
Mitsi 8kW has a 6kW variable and 2kW fixed compressor so presumably modulates down to the same as the 6kW. All Daikin models <= 8kW are same hard...
Like you I dont see the really high cops but neither have I so far seen really low ones which is why I surmise Vaillant may be playing balancing games...
My comments were based on what it says in the printed installation instructions, supplied with my heat pump in Nov 2024. These, to my mind trump any ...
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