Last seen: Sep 14, 2025
... which is probably its min output. At 12C you would expect cycling even if the pump was right sized, it gets colder later this week so i suggest r...
That will be the water pump capacity not the heat pump capacity, which is dependent on the house loss. The water pump may be on longer than the heat...
That's disappointing. It's way oversized almost without any doubt. 6kW is probably nearer the mark, possibly less. I will re-read your description...
@iraknic Ok I was hoping 6 was 6kW not 6 tons (an American measure of capacity roughly equal to 3kW). I suspect it's well oversized. What do y...
I am not familiar with the Hitachi monitoring so someone else will need to answer this. If you can monitor power consumption it will be visible in th...
@transparent @sicky Just a couple of observations 1. Sadly I would say the standard of work is exactly what one expects, this is either the b...
Im not an expert by any means but, in the absence of any detail to the contrary, buildings are normally built to the standards required by building re...
For me the sole purpose of the glycol or antifreeze valves is to provide backup protection if the power fails for any length of time; the freeze stat ...
Most heat pumps have specs on minimum clearances, perhaps check this. That said I agree with @transparent that an open frame construction would be ...
Agree. I changed mine because I reheat only once per day, which is fine so long as hysterisis set too high cause it to skip a cycle. However you see...
Latest Posts
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Big Changes Coming to Our Heat Pump System
After years of living with an underperforming system an...
By Mars , 1 hour ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa That flow rate sounds rather high James! Regar...
By Toodles , 3 hours ago
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@jamespa thanks, I appreciate the offer. For n...
By DREI , 13 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
@transparent what I don't understand about these "rogue...
By Scalextrix , 16 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
I have 3 women in the house, 2 little ones, so my heati...
By DREI , 18 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 18 hours ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 2 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 2 days ago
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 2 days ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 3 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 3 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 3 days ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 3 days ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 4 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 4 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 5 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 5 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 5 days ago
