Last seen: Jan 8, 2025
Hello @lenny and welcome. It's hard to tell when it's late May but how is it so far? Were you given a walk through, manuals, instructions and so on?
I agree with you that normal cycling in itself isn't a big problem. IMO the bigger problem with an oversized ASHP (apart from them costing more) is t...
A typical oversized gas boiler with scalding hot radiators allows the temperature of the house (or parts of it) to be set back so that it is colder fo...
It was storage heaters and I did have annual consumption. But it was hard to compare the energy used with a modern, controllable system. The heat ra...
It was storage heaters and I did have annual consumption. But it was hard to compare the energy used with a modern, controllable system. The heat ra...
Don't forget to add a bit - at least 15% - for defrosts. And hot water. And make sure the manufacturer's 'size' is deliverable when it's actually col...
I agree. IMO the issue with older housing isn't the wall insulation; loft lagging, windows and doors should fix most and terraced houses are very wel...
@sunandair, @elab hasn't been seen on the forum since 1st May so I don't think s/he is worthy of any more attention!
Don't forget that an ASHP will spend 15-20% of its time defrosting when it's cold outside. And you'll still want hot water. 11kW sounds about right....
At least ASHPs keep running as long as you want them to. Imagine having an ASHP that stopped after using 30kWh and required you to faff around with va...
An adjustment in the relative prices of electricity and gas would be the most effective way to encourage heat pumps. 2.5 times would help but if elec...
Because it's being funded by taxpayers. If I'm going to contribute, through my taxes, to delivering a low(er) carbon economy, I want the best bang fo...
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Hi. I had my Mixergy tank fitted nearly three years a...
By bontwoody , 1 hour ago
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RE: Humming sound on new install.
Just a thought... can you check flow rates? If the f...
By Tim441 , 2 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 , 11 hours 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 , 15 hours ago
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I didn't want to say that, bus since you have said it n...
By JamesPa , 15 hours 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 , 17 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I have been working on network resilience for a while. ...
By Scalextrix , 20 hours 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 , 2 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 , 2 days ago
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RE: Who’s Caved and Switched the Heating On Already?
@allyfish Dogs have owners - Cats keep staff. You are o...
By Toodles , 2 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 , 2 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 , 2 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 , 3 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 , 3 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 , 3 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 , 3 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 , 4 days ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 4 days ago