
Last seen: Sep 9, 2025
I suspect that the heat-pump is 'cycling'. Ie it's switching on/off every few minutes in response to temperature sensors. If you have Thermostatic...
That's interesting @cathyem1 Many installers don't like reconnecting an existing solar-thermal to a newly installed heat-pump system. It can be m...
I've done a few checks on the Growatt MOD4000-TL XH inverter. It costs around £550 in UK, and is a typical basic 3-phase design with a battery port....
Mechanical Ventilation with Heat Recovery (MVHR) needs to be planned/considered at a very early stage. Installing the larger pipes first is the best...
Using contractors also provides opportunity for them to get things wrong. So it's still important to understand the basics of what you're asking the...
What's the make/model of that solar inverter @davidalgarve Is the storage battery connected to it directly?or does the battery have its own mains po...
That's the sort of schedule we'd expect to see for a typical gas boiler installation @cathyem1but it doesn't best reflect how your heat pump should op...
Levitating Smart Meters are to be discouraged @cathyem1 😮 I'll have a look at your new topic and see if we can help with that.
I too have an initial question... 😉 How much of this renovation would you like to undertake yourself?Or are you simply wanting to throw mon...
Yes, DM is available, although the line-formatting is naff. 😥 Simply click on my name in blue. You'll arrive at the info page for me.Click o...
Nick - I have installed Solar PV, storage battery and MVHR, all using a DIY approach in my 1937 detached house. If you raise any of these issues in ...
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RE: Who’s Caved and Switched the Heating On Already?
I leave my heat pump on and let WC decide - with some e...
By Tim441 , 43 minutes ago
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RE: Midea ASHP – how to set weather compensation
I think it is a bug in the code, it comes on even when ...
By cathodeRay , 11 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@ashp-bobba wish you lived closer to Wiltshire! My inst...
By pash44pump , 11 hours ago
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RE: COP is not the only measure of efficiency
@jamespetts Interesting post, thanks. Here are my thou...
By GrahamF , 12 hours 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 , 13 hours ago
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RE: Buffers, hot water and cooling
@jamespa Your reasonably close! Especially with warmer ...
By dgclimatecontrol , 14 hours 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 , 21 hours ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 1 day 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 , 1 day 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 , 2 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 , 2 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 2 days ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 2 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 3 days ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 3 days ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 3 days ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 3 days ago