Last seen: May 31, 2025
Our planning permission has come through and the MCS levels were applied. We have to install in line with the permission. Our nearest neighbour is in ...
This site is one of the most comprehensive for what size heat pump you might need, as you may have read too big a pump can’t be less efficient T...
This is a very interesting thread. Our ashp is being fitted soon, and we’re going onto OE cosy and using our battery to charge up to get over the peak...
@transparent I did comment but I would get an E at best since I didn’t answer all of the questions in sections 1& 3 and didn’t touch 2. My input...
@roel You also may already have a buffer which can also be called a low loss header. @johnmo put in some schematics above. You might be able to trace ...
Derek’s approach (as usual) is an excellent one. You do not need a buffer, just a volumiser. Once you understand how your system balances up then it’s...
I was thinking of your analysis but I couldn’t recall who pointed it out and hence sorry I couldn’t give you credit. Sorry! There have been other st...
@pie eater the difference you can’t see will be air leakage usually. There are many assumptions about how many air changes per hour your house has due...
Aaaaaah, that’s gas boiler thinking! and the recipe for problems with ashp. As several people are explaining better then I can, an over-sized pump wil...
The reason the other heat pumps failed may be that the houses have zones, NOT good with heat pumps, and as the pumps is big then it needs a minimum wa...
Oh dear! Don't let them change radiator for lower wattage ones! There are experts on the forum who would like to see the full proposals. Can you upl...
@pie_eater our install date is in September we’ve just had some bigger radiators changed so far, (not all rooms needed larger). it is pure BS to say...
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Latest Posts
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RE: 5 Star Service from Havenwise
To some extent...... but the energy required by a heat ...
By Transparent , 1 hour ago
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RE: Solar Thermal DHW and ASHP
I suspect that the cleanest solution is to use a DHW cy...
By Abernyte , 2 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
510kWh of solar PV from my 4kW Hyundai panels and SMA S...
By JulianC , 2 days ago
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RE: Is my Samsung heat pump working too well?
Thats in itself is interesting. I have a Vaillant heat...
By JamesPa , 2 days ago
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RE: Jokes and fun posts about heat pumps and renewables
@transparent Not a swell season then ☹️
By Toodles , 2 days ago
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RE: Air Changes per Hour - ACH and the MCS requirement
update - my old installer insisted on a heat loss of 11...
By MatWin , 3 days ago
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I agree it's not very helpful. Generally, the max heat ...
By Old_Scientist , 3 days ago
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RE: Commencing on an ASHP Installation Process
I think therein lies the problem. Ratio of quotes to i...
By JamesPa , 4 days ago
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RE: Why Your MCS-Certified Installer Might Not Be As Competent As You Think
Hive and most other smart thermostats don't play well w...
By JamesPa , 4 days ago
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RE: Enabling WiFi: Samsung ASHP on Smart Things App
Thanks for the input. I've been running various experim...
By Grahamh-uk , 4 days ago
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RE: Radiators downstairs are cooler at the bottom after ASHP install
@melonbuffet Hi, this sounds great is you are getting 5...
By ASHP-BOBBA , 4 days ago
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RE: Ripped Off: How UK Homeowners Are Paying Gas Prices for Wind Energy
I believe there's another reason that network upgrades ...
By Transparent , 5 days ago
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RE: What’s the modern take on advised types of insulation?
@jeff I am sorry @jeff if I have misunderstood what you...
By Toodles , 5 days ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@editor Cobbler’s Mantra that!
By Toodles , 5 days ago
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RE: Renewables & Heat Pumps in the News
Australia Blue, the first wind farm in Western Victoria...
By Morgan , 6 days ago
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RE: Flow rate discrepancy between ASHP and manifold
That's useful thanks, I hadn't seen that table before. ...
By AshRolls , 7 days ago
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In principle I agree, @johnmo, but with provisos. The...
By Majordennisbloodnok , 7 days ago
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RE: Heat pump installation and BUS Grant timings
@jamespa Thats how I understood it too. 🙂
By ASHP-BOBBA , 7 days ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
@sallyl That sounds about right if they are re-filling ...
By Brendon Uys , 7 days ago