Last seen: Mar 5, 2025
@jamespa Thanks. I'd already concluded that the higher estimates are excessive, which is why I'm going with the lower of the three figures that I'...
@gary Thanks. House is a similar size to ours. It's interesting that you find even the 8.5kW Ecodan is overpowered. We got three surveys that cam...
@gary Thanks. If you don't mind me asking, what is the size and/or heat loss for your property? Or the usual daily heat output and COP from your Eco...
@ianmk13 I assume you've considered upgrading from K2s to K3s where possible? This should give you at least 30% extra output for the same wall space.
@harriup Thanks again. I've explored quite a lot of data (and plotted many graphs), but only have daily gas consumption figures from late January ...
Five of our 14 radiators are supplied with 10mm plastic microbore, with the rest on 15mm copper. The microbore is all installed behind plasterboard wa...
@gunboatdiplomat Interesting comparisons. It looks like we have very similar properties though ours is probably slightly better insulated as 80% o...
For completeness and for anyone who's interested, here are the design and performance parameters, as described by each supplier. Supplier ...
@mike-h Thanks again. The installer I'm leaning towards (Puraflow) seems to have consistently good reviews on TrustPilot and I've been generally i...
@majordennisbloodnok Thanks. Similar installation cost again. Looks like RHI was a really good deal. The new BUS grant is £7500 (formerly £5000) wh...
@harriup Thanks for the useful insights and for taking the time to reply.Your similar installation cost with the 8.5kW Mitsubishi does at least help t...
Does anyone have any thoughts about question 1 (installation cost)?
Latest Posts
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Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
We’re pleased to announce that Havenwise are now joinin...
By Mars , 47 seconds ago
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RE: Midea ASHP – how to set weather compensation
@cathoderay the dataloggers have been purchased and are...
By pash44pump , 25 minutes ago
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RE: COP is not the only measure of efficiency
I am a little sceptical of this, not least because, in ...
By jamespetts , 1 hour 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 , 1 hour ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@ashp-bobba Well done for stepping in where most would ...
By JamesPa , 3 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
I have automated this decision. I have a heat pump with...
By jamespetts , 11 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 , 13 hours 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 , 13 hours ago
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RE: Buffers, hot water and cooling
I agree it seems like a lot of work particularly as its...
By JamesPa , 14 hours 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 , 17 hours 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 , 18 hours ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 21 hours ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 22 hours 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 , 22 hours 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 , 2 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 , 2 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 , 2 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
