Last seen: Jan 9, 2026
@mike-patrick If you’ve just invested circa 300k in a renovation, it’s very likely that detailed drawings, specifications and construction build-ups a...
There is a real disconnect between how performance is captured for RHI and what ends up being used for EPCs via RDSAP.The SPF of 4.1 you got probabl...
@af1 if all of those features (GSHP, MVHR, double glazing, full loft insulation, and 100mm phenolic EWI) weren’t in place at the time of the last EPC,...
@af1 prices will vary depending on size and complexity of the building. Starting at around £300
@editor very good!! Im surprised he got the assessor into the property.. This is exactly why we don’t use RdSAP—it’s designed for speed and sim...
RdSAP 10 represents a significant shift in how EPCs are calculated, particularly for properties with heat pumps. The revised methodology places greate...
@transparent keeps tall people warm
@transparent 😀 😀 here is a few more to keep you happy
@jamespa we will design the emitters/radiators to suit the same flow temperature. If this can't be achieved with radiators or they take up too much sp...
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@petch all good news I think and suggests that a straig...
By JamesPa , 1 hour ago
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RE: Electricity price predictions
@batpred You are correct, for new customers. If I switc...
By ChandyKris , 2 hours ago
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RE: Noisy Grant Aerona 3 13kW ASHP question
@prunus I thought the pipes in the walls were15mm which...
By HeyMikey , 2 hours ago
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RE: Struggling to get CoP above 3 with 6 kw Ecodan ASHP
Photos of cylinder cupboard and UFH manifold would be u...
By Travellingwave , 3 hours ago
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Our 10 year old Grant heat pump failed
@editor A sorry coincidence but my heat pump has also j...
By Mike Patrick , 3 hours ago
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RE: Home energy storage & battery register
Hanchu ESS - Home-ESS-LV9.4K (9.4kWh) Plus 1 for my ...
By Wino99999 , 11 hours ago
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RE: Daikin Altherma 3 LT compressor longevity question
@ubert767 We recently had the 8kw Daikin installed a...
By Bash , 16 hours ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
It has been some time since I posted comments about Eco...
By Dwynwen , 16 hours ago
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RE: Forum updates, announcements & issues
Something big is coming to Renewable Heating Hub! Ove...
By Mars , 19 hours ago
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RE: A Single Voice for Heat Pumps, But Will It Finally Raise Industry Standards?
From what I’ve read, the Heat Pump Association UK is me...
By Jonatan , 22 hours ago
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RE: Tell us about your Solar (PV) setup
Pylontech US5000 stores about 4.3 kWh accounting for in...
By bobflux , 22 hours ago
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RE: Underfloor Heating Installation Issues with Heat Pump
Hi @martinhook_uk @bobflux The installer is making g...
By Maximumdo , 23 hours ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
Hi all, Just an update on where we are with the "Consta...
By DEdwards , 23 hours ago
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RE: How to control DHW with Honeywell EvoHome on Trianco ActiveAir 5 kW ASHP
Well I've had an interesting few days and would like to...
By giganto , 2 days ago
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RE: Peak Energy Products V therm 16kW unit heat pump not reaching flow temperature
Yes, here's mine. From the service manual parts numbers...
By bobflux , 2 days ago
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Had to learn the hard way 🤣 now I'm sharing T...
By bobflux , 2 days ago
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RE: Issue with a Grant Air Source Heat Pump & Tado Smart Thermostat
Im assuming from your original post that hysterisis ref...
By JamesPa , 2 days ago
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RE: Heat Pump vs New Gas Boiler for Inherited House - Worth the Extra Cost?
Hi @fretless6 Mike, I have experience with Taggas (Re...
By Old_Scientist , 2 days ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Now seems a good time to summarise the costs and effici...
By benson , 2 days ago
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RE: Connecting Growatt SPH5000 over wired ethernet rather than wireless
The simplest wired option is usually the Growatt Ethern...
By Jonatan , 2 days ago
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RE: Jokes and fun posts about heat pumps and renewables
Technology is rapidly advancing. BBC News reported th...
By Transparent , 3 days ago
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RE: Do Fridges and Freezers have COP ratings?
@editor Thank you all for your replies and submitted in...
By Toodles , 3 days ago


