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Last seen: Jun 26, 2026
This is interesting @sunandair. The basic weather compensation, relying solely on instantaneous outdoor dry bulb temperature, is crude. I've wondered ...
@marvinator80 it does this with my 10kW. Algorithm within the ASHP as it monitors air and return water temperature. It’ll turn the ASHP off for a leng...
I think it's a monobloc unit, R410A. See here:which is probably why they are getting flogged off cheap by the likes of Appliances Direct, to unsuspect...
With a DIY install you've got the option for heating and also cooling via fan coil units, which under the MCS approach isn't an option. However, these...
Yeah, exactly my concern. What are the briquettes made of (waste product or felled timber) and how much CO2 and energy goes into their process that pr...
I've looked at this company several times but never taken the plunge. They get good reviews. My only concern is the Lekto supply chain is opaque, they...
@editor is it s survey intended to, ultimately, improve the take up of ASHP and renewable heating? Or a survey by an organisation with a vested intere...
In my day job I'm designing systems that support fire-rated battery rooms with 200kVA Siemens Bluevault Li-Ion 230V UPS batteries. They require a room...
@fjj 52degC is a good thermostat setting, the flow from the ASHP needs to be 3-5degC higher than the tank cylinder setting thermostat or you're just b...
Seems to be the norm. Decent install on the wet side with monobloc and rads. Usual mediocrity with the rest: Condensate drainage overlooked, check. ...
@FJJ, I have the same set up. Grant 10kW Aerona, pre-plumb 250l cylinder, iBoost. The iBoost just runs on the 3kW immersion heater, which I don’t thin...
@derek-m or a bag of sparks, or a box of rivet holes, or some sky hooks. I fell for the lot when I served my time.
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Degrees of Separation
Latest Posts
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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 , 1 hour ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 1 hour ago
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RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 2 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
Any idea how efficient your gas boiler is? Is it a 50 y...
By Old_Scientist , 7 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 , 19 hours 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 , 1 day 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 , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 2 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 , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 6 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 6 days ago
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