Last seen: Mar 12, 2025
@signorjim delta T flow and return of 10degC is quite high for an ASHP. At 10degC delta T and 17l/min flow it's theoretically giving out 10x4.2x(17/60...
Hi @signorjim, the slow rise in leaving water temperature from your ASHP [I presume you mean, rather than refrigerant temperature], may be due to the ...
Agree, heating oil prices vary short-term seasonally, and longer-term with the cost of a barrel of oil. We found we could always purchase it for less ...
@steve81uk and @toodles, we're all on a similar journey here. Perhaps to a lesser or greater extent of data acquisition, analysis and statistical geek...
@graemed well done! Will you be issuing an invoice to your installer at your standard charge-out rate +VAT on the same payment terms they had with you...
@heat-pump-newbie most dehumidifiers are free-standing, so you need to be a little careful with 240V in bathrooms and where you locate it. Most can be...
I think this is far too common. A mixed bag with me, both from the same renewable installer. ASHP install pretty good, the plumbing team were exceptio...
Ah. in that case, as Derek says, a dehumidifier is your best best. They are good for drying clothes and towels in a very cost effective way, as well a...
Hi @heat-pump-newbie, you might find the capital cost of a small MVHR room to recover heat from the bathroom extract isn't financially viable. General...
@toodles thanks for your experience and information. It's really helped me. I've just taken the 'plunge' with Agile, having been on Cosy for a year. C...
Hi @Graemed, my Growatt Shinephone App is behaving lately, but it does periodically misbehave. I have the Shine WiFi-S dongle via the home WiFi networ...
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Latest Posts
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
That’s a really good question. Ive been trying to find ...
By SUNandAIR , 2 hours ago
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RE: Sunamp Thermino Heat Battery
Wow, I knew they were pricey, but didn’t expect it to b...
By Mars , 3 hours ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
@matthew_w good luck with the quotation and proposal pr...
By Mars , 3 hours ago
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RE: Who's your electricity provider and what's your tariff?
Over the past few years I've moved from Octopus Standar...
By Tim441 , 3 hours ago
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?
@cathoderay Many thanks for the reply Yep. We'...
By cliffhanger , 5 hours ago
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RE: Battery storage to run Heat Pump.
Now let's assume that the same ToU Tariff is being used...
By Transparent , 6 hours ago
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RE: Should I make my radiators smaller?
Mine are also upstairs because I upgraded them before I...
By JamesPa , 6 hours ago
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I confess I had to look up 'ceritus paribus', but havin...
By JamesPa , 6 hours ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
Interesting session to be involved with @editor and I s...
By Tim441 , 8 hours ago
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RE: Baxi Air Source Heat Pump tips and tricks please
@cathyem1 new user here. i had a Baxi heat pump in...
By SteveL , 9 hours ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
@vsmith1 I have a feeling that some ‘discretionary fact...
By Toodles , 9 hours ago
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RE: Transforming a Derbyshire Property into an Energy-Efficient Haven
Incredibly detailed piece @carpenterstation – thanks fo...
By Mars , 10 hours ago
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@lucia thanks for the reply, I think I've now got suffi...
By big_si , 12 hours ago
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RE: Have Consumers Been Lied to About the Efficiency of Heat Pumps Made in China?
Would be nice to see some data for Midea units, as thes...
By Old_Scientist , 13 hours ago
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RE: Setback savings - fact or fiction?
@jamespa - thank you for your ongoing heroic attempts t...
By cathodeRay , 13 hours ago
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RE: Towel rails. An unexpected final hurdle
@davesoa No, unfortunately. I had to pay the VAT becaus...
By Lucia , 14 hours ago
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RE: SolarPV tables / online calculator
@majordennisbloodnok what degradation per year is typic...
By MichelleC , 15 hours ago
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RE: Daikin Heat Pump Cycling Frequency?
I think your current method of logging F-gas pipe tempe...
By Mars , 1 day ago
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RE: Looking for the Grant Aerona 3 setting to turn off completely at 20 OAT
Sorry, yes, 2105. OOPS! If I recall the unit circulates...
By AllyFish , 1 day ago
Latest Topics
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Should I make my radiators smaller?
By Scalextrix 9 hours ago
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Daikin Heat Pump Cycling Frequency?
By Ubert767 1 day ago
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Battery storage to run Heat Pump.
By Broadsman 2 days ago
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Heat Pump Sizing & Installation Costs
By Mars 3 days ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 3 days ago
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SolarPV tables / online calculator
By MichelleC 3 days ago