Last seen: Mar 29, 2025
From my experience I’ve learned the following: the heat loss calculation is definitly an estimate. For starters the u values of the materials and t...
you can play around with the answers to get to the right value. Like you I already knew the heat loss so I changed the build year until I got the righ...
You might want to give Boxt.co.uk a try. At least for me they had octopus level price, but were able to proceed quite quickly. They also give an upfro...
Maybe the analogy is imagining that cars could just drive faster through those single carriage section. All that acceleration and extra friction would...
My answers to your initial questions: 1. They are all close enough and match your usage figure to be right. I’d say the not so local firm is wrong t...
it’s because there are 10kwh hiding in every Liter of oil.
Hi, I think partly the problem is the immediate feedback that the electricity meter provides, versus the oil boiler where (I presume) you just get the...
No answers here, just some observations. Your flow temperature is reasonably high, which maybe indicates slightly smallish radiators and would give ...
I’ve got: 5kW heat pump, but only 2.5kW heat loss, so max consumption of 2.5/3=0.75kW from the heat pump. 9.5kWh battery. Solar doesn’t produce a...
I don’t think there is a problem. Given a water saving shower head and a 5 minute shower, that’s: 4l/min x 5min x 5 = 100l. So even the smallest 150...
just some comments by a door blower tester that they have never seen a higher value than 1 and the fact that in my calculations I could only get close...
I agree, it is weird that we are suppose to trust this whatiffery, but not our own usage data. after all, as was stated above, assuming a linear relat...
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RE: Twin 10kw Grant Aerona Volumiser Tanks using lots of power
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By Grantmethestrength , 3 hours ago
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RE: How good is the app support for your heat pump?
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By Batpred , 3 hours ago
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Samung 16kw 5 months in - Happy with heat and DHW but some questions
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Question about Heating Pump Operation mode – Ecodan FTC6 v20.06
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RE: Electricity price predictions
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RE: Replacing knackered oil boiler with ASHP - Perthshire
@jamespa just confirming that after 5months with the 16...
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RE: Struggling to get above 3.3 on heating
The first chart in your post above shows average 0.25kW...
By JamesPa , 6 hours ago
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RE: How to increase DHW water temperature on Samsung Gen 6 Control Panel
Im just in the process of connecting up my mixergy cyli...
By bontwoody , 12 hours ago
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Unless anyone can tell me differently, there appears to...
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RE: Should Our Water Circulation Pump Be Configured to Run All The Time?
I run my Vaillant on either expanded mode (either end o...
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RE: Help me keep the faith with my air source heat pump installation
on a facebook thread someone has comented to the effect...
By AdamK , 1 day ago
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RE: Samsung Heat Pump – Can't Activate TW2 Pipe Sensor (for Delta T Control)
Wanted to add an update. As I am running HomeAssistan...
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RE: Grant 13kW Aerona3 - issues getting zones to temp
You are correct you dont need the second pump if there ...
By JamesPa , 1 day ago
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RE: New Fogstar 15.5kWh upright solution
From my experience with inverters from different Far Ea...
By Transparent , 1 day ago
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@bontwoody Thank goodness you are ‘back on-line’ so to ...
By Toodles , 1 day ago
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RE: Automation options to maximuse efficiency & ToU tariffs
@majordennisbloodnok Seems reasonable. It would be m...
By Batpred , 1 day ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
@hcas OK Thanks. Will do.
By bontwoody , 1 day ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
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RE: Isolating the system for a planned power cut
@transparent 😊 I may have lost you there.. I ...
By Batpred , 2 days ago