Last seen: Nov 21, 2025
Indeed. If the primaries are not big enough to carry the heat into the property, heat loss due to poor insulation is the last of your worries as there...
Sorry, not sure I can help. I only use Daily schedules which only apply to DHW. We use a programmable third party room thermostat to control heating O...
How big is your proposed solar array? I have 7.2kWp array and a 5kW export limit, and it's not overly limiting with a bit of careful battery managem...
I'll go with the standard grey open cell foam insulation you see indoors (as it's protected from UV), with the normal 45deg cut corners. Surely they c...
For our usage, I estimate I may save around £12 during the winter months for Fixed Cosy vs the Cosy Oct 2025 pricing, so not enough of a saving to cov...
You are correct that the Samsung docs recommend a minimum system volume of 50L, but note the key word there is minimum. In reality, the system volume ...
Interesting, but IOF is so much better for us in summer, I will need to calculate if the saving would offset the £25 early exit fee to switch in sprin...
Our region has increased to 14.794p which is a 14.6% increase, notified in a letter from Octopus that states "Energy prices will rise 1-2% for most ho...
Agreed, and I'm in no way trying to defend poor system design or the use of buffers, just trying to rationalise why some installers choose to use buff...
3: For retrofits, installers have no clue what existing pipework they are working with, what flow restrictions they may encounter and what head pressu...
MCS SCOP 3.84 (design LWT of 47C) Actual real world SCOP 3.75 (running LWTs of 32-35C) So despite running significantly lower LWTs, real world SCO...
I think you need to be sure you are comparing like for like. It is true that you can buy a Fogstar 16kWh battery for around £1750 whilst a comparabl...
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RE: Grant 13kW Aerona3 - issues getting zones to temp
So this morning marked 24 hours up for installer. Rooms...
By Crimson , 3 hours ago
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RE: Buffer tank bypass on EDF Ideal heat pump installation
@kevb, many of these companies look for the smallest of...
By Mars , 5 hours ago
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RE: Don’t Install a Heat Pump Until You Read This
@briansprankle, good luck. Keep us posted. Glad they’re...
By Mars , 5 hours ago
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RE: Commencing on an ASHP Installation Process
Me too, but I think we are in the minority. Most homeo...
By JamesPa , 7 hours ago
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RE: Electricity price predictions
Simple article with a DENZ graph showing how gas which ...
By Jeff , 7 hours ago
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RE: 10kw heat pump run in 24*7 data?
Thats really helpful as it clearly says target 49C. So...
By JamesPa , 7 hours ago
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RE: Heat Pump on Flat Roof Low Frequency Noise from Detached Neighbor
@davidnolan22 Yes have been communicating woth the neig...
By People_Noise , 7 hours ago
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Power Cut - Heat Pump Evaporator Iced Up
We have just had a power cut and 1 hour later power was...
By trebor12345 , 8 hours ago
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@sand Yes. The COP is reported and you can split it int...
By bontwoody , 10 hours ago
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RE: Why Millions of UK Homes Struggle With Heat Pumps
A few weeks ago, I was having a discussion with someone...
By Majordennisbloodnok , 10 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk Hi I see you posted on openenergymon...
By JamesPa , 12 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
Often the default password is in the installation manua...
By JamesPa , 13 hours ago
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RE: Cashback Incentives That Reward Shorter Heat Pump Warranties
@andrewj Indeed, ’Appalling’ is a rather mild term for ...
By Toodles , 13 hours ago
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RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira
@editor When do “Mars Heat Pump Installation and Servic...
By Toodles , 14 hours ago
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@morgan Likewise, I realise that some readers will appr...
By Toodles , 14 hours ago
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A Smarter Smart Controller from Homely?
I received an email from Homely this morning enquiring ...
By Toodles , 14 hours ago
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RE: Grant Aerona 3 and Drayton system questions
Yes in general terms (obviously I cant tell if its exac...
By JamesPa , 16 hours ago
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Yes, the Grundfos pump has a built in timer. However, t...
By DavidAlgarve , 17 hours ago
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Ecodan - Flow temperature spiking causing shutdown
Hi everyone, looking for some help. I am in a new bu...
By Gl3484 , 1 day ago
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Solis AI is on the right track to leverage the battery:...
By Batpred , 1 day ago


