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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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RE: Who's your electricity provider and what's your tariff?
@old_scientist I just checked and my account still says...
By Papahuhu , 9 seconds ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
It looks like our heat pump journey is coming to an end...
By Ian S , 33 minutes ago
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RE: Is it the house or the equipment?
@rob-of-york @springswood I did exactly this combina...
By JamesPa , 1 hour ago
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RE: Missing flow temperature in Heat Geek proposal
I suspect it's a deliberate decisi...
By JamesPa , 1 hour ago
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RE: Vaillant Arotherm – Using Heating
@l8again Mine is typically using 11w including the i...
By Batpred , 1 hour ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you have a flowmeter and two temperature probes, the...
By bobflux , 10 hours ago
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RE: Siting of the external sensor on a heatpump
@jamespa Absolutely. Even if the same mistake was mad...
By Batpred , 17 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 2 days ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 3 days ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 3 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 4 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 4 days ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 4 days ago
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