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Last seen: Apr 22, 2026
@murchison2003 not too happy re fiddling with the system and valient dont make most user friendly systems but our historic SCOP is sitting at 3.53 goi...
@murchison2003 thanks I’ve just noted you did say that! Old age!! we are set at 1.2 but I have two 7kwh Callie TD one acting as DHW and slave to the...
Hi what do you have your heat curve set at now?
The funds are through energy savings trust. Last year you could get an interest free loan for an ASHP of £10000 with £7500 cash back (ie you borrow 25...
@beachcomber hi I keep coming across very high electric bills but no one ever seems to state what a high bill is and even more importantly when. My bi...
@prunus the odds are the heat pump unit would be ok its the installation and heat calcs you would need checked as it seems that most of the problems e...
@editor I suspect you are right in England - up north we have to sign docs with legal answers and each sale has a week to check elec gas boilers etc w...
@editor they can but if you go ahead and purchase based on the information supplied then it must be accurate and honest otherwise you probably have a ...
@chrislay it is all through the valliant control boxes. We have 2 control units and pump 1 is figged as ch pump 2 as DHW and back up to heating which ...
@saz look up ripple energy - depends on your age but we decided that it was touch and go as it is unlikely that we would get the full 25 yr return
@saz we have 2x 7KWh valliants and over the last 8 days the power for heating and DHW have been around 55 kwh per day. House is long basically single ...
@redbuzzard your experience is very similar to ours - contractor (first rate) just said -set the temp. We have no valves and only one zone. After 10 m...
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Degrees of Separation
Latest Posts
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RE: Who's your electricity provider and what's your tariff?
Looks like not much change in electricity prices in the...
By ChandyKris , 49 minutes ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 1 hour ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 1 hour ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 2 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
I think this calculation goes the other way. 3.54kW ga...
By JamesPa , 2 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 19 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 19 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 2 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 4 days ago
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