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Last seen: Oct 27, 2025
@jamespa When the installers left my property it had a paltry flow rare of 17l/min and constant fault codes. The label on the 12kw Panasonic ASHP ...
Another glaring problem with RDSAP10 is that assessors will not investigate; for example Cavity Wall Insulation, despite my offer to drill holes for h...
@mike-patrick Hi, I found that the previous EPC assessor had used a very low "Default efficiency value" for our "poor" GSHP. I got in touch with Bosch...
@aaron There's the rub, the database does not list my HP, it appears to begin in 2016. So does this mean we cannot get a COP figure at all? /p> No ...
An improvement to a C rating from D appears to hinge upon how the efficiency of the GSHP is arrived at. The report I paid for for RHI gave an SPF of 4...
@aaron All features were in place for the last several EPCs which were D rated. I need C.
@aaron will it bring the rating up in a property with GSHP, MVHR, DG, Full loft insu and 100mm Phenolic EWI?
@aaron What is the cost of a full SAP and will it bring the rating up in a property with GSHP, MVHR, DG, Full loft insu and 100mm Phenolic EWI?
@aaron Great response, thank you. Yes I already knew that Proof of all aspects is the key. I have everything regarding Glazing, GSHP, MVHR, EWI except...
Hi, I have retrofit IVT GL C11 fitted in 2011 (Badly). We had to immediately rip out and replace all the pipework with much bigger diameter to up the ...
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Degrees of Separation
Latest Posts
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If Reform were to win, I suspect that many of the AR7/8...
By Old_Scientist , 2 minutes ago
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RE: Indevolt Batteries UK Support & Info Thread
Not at all. Many people simply won't need home backup. ...
By Old_Scientist , 8 minutes ago
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RE: Electricity price predictions
A little more info: The Charge pack tariff seems to hav...
By bontwoody , 1 hour ago
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RE: Renewables & Heat Pumps in the News
the Derril Water solar plant? I will cross-post. &n...
By JamesPa , 15 hours ago
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RE: HeatPump maintenance in Swindon area?
Sorry I can't but ... it sounds like a job any half dec...
By JamesPa , 20 hours ago
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My contribution is to wonder how your radiators are plu...
By springswood , 1 day ago
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RE: Powerwall 3 tripping RCDs in powercut
If I were to write a remote diagnostics chart for the P...
By Transparent , 2 days ago
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RE: GivEnergy inverter tripping due to over-voltage?
possibly interesting to note the latest spreadsheet S...
By Tim441 , 2 days ago
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RE: Summer heat is becoming the new winter cold in the UK. What are you doing about it?
Our ashp service is booked for a couple of weeks from n...
By Judith , 3 days ago
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RE: Air Conditioning in Cars - What is this doing for the Climate?
In fairness, my EV has a heat pump in it which is theor...
By Majordennisbloodnok , 3 days ago
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RE: Can DNO change a G99 export allowance once approved?
Fair enough and mea culpa. I was responding to a comme...
By JamesPa , 3 days ago
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RE: Two heating zones to one zone
In your case, converting it to a single zone sounds lik...
By sarahstrachan , 4 days ago
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RE: Consultation on reform of Consumer Protection in the retrofit market
I agree with much of that, but that's a much wider refo...
By JamesPa , 5 days ago
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