Last seen: Jun 27, 2025
I haven’t heard the divide by 2900 method before. It gives us 6.41, which is remarkably close to the 6.6 that the freedom heatpump toolkit churned out...
I keep it constant, I don't even have a room thermostat. It runs on weather compensation 24/7. I'm still tweaking the weather comp settings to get thi...
@derek-m Indeed.... insulate britain had the right idea, but just went about getting the message across in the worst way possible...
As I said (or at least I think I said, perhaps I said it on buildhub), it only matters as we are chasing efficiency numbers because we need to compete...
Both of these are just a way to provide hydraulic separation between the heat generator and the emitter circuit. It wouldn't matter if we weren't livi...
Solar gain would result in an increase in return temperature, and the heat pump will throttle back or turn off, reducing heat input - provided you're ...
@mattc Midea is a good unit, but they'll only sell it to one of their installers, and they'll install it in a way that guarantees performance and mini...
Avoid midea…. It will come from freedom and be fitted with a LLH or PHX that will cripple the efficiency. We’re about the same size, 100m2 before we...
@iancalderbank LinkedIn is such a toxic cesspit of narcissists, I gave it 6 months then closed my account. It’s not like I’m looking for another job a...
Wait a minute.... thermal store? Uh-oh....
It certainly appears that way…. Although having your gshp on a c50 seems somewhat excessive. However, I expect it’s because it isn’t an inverter machi...
@gshpwoes you can cancel the legionella program for a start. Total waste of time, unless you’re 85 and immunocompromised.
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RE: Buffers, hot water and cooling
Seems a lot of work with hit or miss results and potent...
By dgclimatecontrol , 10 minutes ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@dgclimatecontrol I have no intention of removing the...
By Morgan , 17 minutes ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 20 minutes ago
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RE: Renewables & Heat Pumps in the News
In the FT today, a report that heat pump take up in Eur...
By Mike Patrick , 20 minutes ago
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RE: Anyone still weathering it out with Agile?
@tim441 As you say Tim, very difficult to quantify any ...
By Toodles , 2 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
@abernyte Our heating has come on twice in the last wee...
By Toodles , 2 hours ago
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RE: COP is not the only measure of efficiency
James, I would not question your findings and realise t...
By Toodles , 2 hours ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 3 hours ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 4 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 4 hours ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
Good unit. And the 10 kW is the same as the 12 kW I ...
By HCas , 24 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 1 day ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 1 day ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 1 day ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 2 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 2 days ago
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RE: Midea ASHP – how to set weather compensation
@cathoderay OK let's wait and see, it sounds an interes...
By Tasos , 2 days ago
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RE: What is the Heat Geek Guarantee?
@judith, I’m with you on Heat Geek, but there really do...
By Mars , 2 days ago
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RE: Electricity price predictions
Community energy installations are a great idea, but th...
By Scalextrix , 3 days ago