Last seen: May 21, 2025
@chandykris our experience is that the BESS added to the solar retrospectively is a financial game changer. During the heating season we schedule ch...
Hi @chandykris, we have two 6.5kW Growatt batteries, they do take a long time to charge the last 5% or so. It's a reduction in charging power as the b...
No surprise the Telegraph has jumped to their predictable hasty conclusion. The subject of grid supply and demand balancing and grid resilience is a c...
That was fun, thank you @editor. 85%, which is just as well after 35years in the HVAC industry. Some careless answers on my part, and maybe a couple o...
@jamespa yhey probably are, as EN 14511 prevails in the UK and EU. That said, it was the COP data at identical A&W temperature combinations that w...
I would be very wary of manufacturer's published SCOP data. One very common brand retailed in the UK using Japanese badged up R32 ASHPs has SCOPs that...
The update of MCS 031 has been heavily criticised by many of the better and higher SCOP achieving installers over on LinkedIn, etc. MCS 031 update is ...
Oh dear, someone majorly goofed at Octopus. They've credited me back about a year's worth of bills today. Bumping my account credit from £375 to £1568...
Hi @stopbar, it's s difficult balance. Trial and error in large part. Every home is different. Pure weather compensation control is good, but not pe...
Sorry, yes, 2105. OOPS! If I recall the unit circulates water if the heating is scheduled to be on, but simply doesn't heat the circulating water if t...
Hi @damonc, parameter 2015 is the maximum outdoor air temperature corresponding to minimum outgoing water temperature. Default setting is 20degC, in y...
A bit of an overcast start to the year for my 3.6kW array, fully south facing not shaded. 153kWh in January 123.3kWh in February, but comparable to th...
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Latest Posts
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RE: Nibe F2040 periodic warm water increase fails
Ok. The key point I think you have made is that the er...
By JamesPa , 3 minutes ago
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RE: Load Compensation and Weather Compensation
Very interested in this!
By Grantmethestrength , 5 minutes ago
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RE: Air Changes per Hour - ACH and the MCS requirement
@matwin If you plan to commission one it might b...
By JamesPa , 1 hour ago
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RE: How accurate was your heat loss survey?
Thanks, so yeah yours is quite oversized, we are the op...
By Scalextrix , 3 hours ago
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RE: Jokes and fun posts about heat pumps and renewables
In a similar vein, this recent spell of sustained good ...
By Majordennisbloodnok , 6 hours ago
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RE: Home energy storage & battery register
By the end of next month... 8 kW PV + Tesla Powerwall...
By Algienon , 7 hours ago
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RE: Enabling WiFi: Samsung ASHP on Smart Things App
@grahamh-uk Yes, I have the same Samsung controller p...
By Old_Scientist , 8 hours ago
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RE: Various different approaches to battery storage.
I thought I'd share my story/journey and experiences he...
By Old_Scientist , 9 hours ago
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RE: Commencing on an ASHP Installation Process
It varies by room, but the conservatory is assumed at 2...
By Sheriff Fatman , 13 hours ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
@editor @sallyl As Mars said, there are 2 different typ...
By Brendon Uys , 1 day ago
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RE: Renewables & Heat Pumps in the News
Here on the Forum we're going to need to be increasingl...
By Transparent , 1 day ago
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What I Wish I Knew Before Installing a Heat Pump
I’m putting together the next Homeowners Q&A episod...
By Mars , 1 day ago
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RE: Planning Update: 1 Metre Boundary Rule for Heat Pumps Has Been Scrapped
In Scotland they still follow the MCS rules, so the noi...
By Johnmo , 1 day ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@johnmo and @benson Thanks! I was aware there was a p...
By MarcT , 2 days ago
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RE: Is your heat pump insured?
My insurer just asks the question: "Is your home heated...
By AndrewJ , 2 days ago
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RE: Vaillant & OVO partner up to offer Heat Pump Plus
Slippery slope starting
By Johnmo , 2 days ago
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RE: Say hello and introduce yourself
@cathoderay Ah yes, that’s the name! The Heat Pimp, It’...
By Toodles , 2 days ago
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By the way, I also think our industry need to get on bo...
By ASHP-BOBBA , 4 days ago