Last seen: Dec 10, 2025
I was intrigued by the analogy between heating a house and a bath with a leaky plug hole, so I created a spreadsheet simulating a bath 100cm long and ...
@willcb2023 I have a solar Iboost which heats my hot water from the electricity produced from my PV panels. It is connected directly to the immersion ...
@grahamh Do you mean ' less than 6 times a day' and '15 to 20 times a day' or per hour? 15 to 20 times a day does indeed seem to be nothing to worry ...
Dave Smith who makes this insulation is very helpful and has some excellent videos. The sealant is an essential part of the process and also the speci...
@derek-m Thanks Derek. I think we agree that the inefficiency of the buffer tank is in part due to the higher LWT required to provide the same heating...
@derek-m In order to get reliable flow round my pipe work, I would also need bypass valves, new diverter and pump etc - hence the cost. My dilemma is ...
if the difference between the flow temperature from the heat pump and the flow temperature from the LLH to the radiators is only 1.5°, then I would ex...
@derek-m Perhaps not necessarily a delta T of 5 deg C. I’ve seen @heacol state that 8 deg C delta T is most efficient. My ASHP is most efficient, alth...
@lfranklin when the domestic hot water is off then it will lose temperature at a rate depending on the temperature around the cylinder and pipes. Also...
@derek-m The easiest way that I found to do this was to set the weather compensation to 40 at minimum and 40 at maximum outside temperatures. That way...
@lfranklin On the wired remote controller, press the cogwheel icon, once to wake it up and the second time to go to the next screen. Then select sc...
@lfranklin If your hot water tank is in your loft and your loft is cold, then the noise you hear at night is probably the water in your hot water tan...
- 27 Forums
- 2,520 Topics
- 58.6 K Posts
- 895 Online
- 6,800 Members
Join Us!
Worth Watching
Latest Posts
-
@editor has said a lot but let me address this one head...
By JamesPa , 8 hours ago
-
RE: How to control DHW with Honeywell EvoHome on Trianco ActiveAir 5 kW ASHP
Well I've had an interesting few days and would like to...
By giganto , 9 hours ago
-
RE: Peak Energy Products V therm 16kW unit heat pump not reaching flow temperature
Yes, here's mine. From the service manual parts numbers...
By bobflux , 13 hours ago
-
RE: Underfloor Heating Installation Issues with Heat Pump
Thanks for sharing your observations, both of you. From...
By Jonatan , 13 hours ago
-
Had to learn the hard way 🤣 now I'm sharing T...
By bobflux , 13 hours ago
-
RE: Issue with a Grant Air Source Heat Pump & Tado Smart Thermostat
Im assuming from your original post that hysterisis ref...
By JamesPa , 14 hours ago
-
RE: Heat Pump vs New Gas Boiler for Inherited House - Worth the Extra Cost?
Hi @fretless6 Mike, I have experience with Taggas (Re...
By Old_Scientist , 16 hours ago
-
RE: Daikin Altherma 3 LT compressor longevity question
@bobflux With my limited HA skills I can't ad...
By Ubert767 , 18 hours ago
-
RE: Testing new controls/monitoring for Midea Clone ASHP
Now seems a good time to summarise the costs and effici...
By benson , 21 hours ago
-
RE: Tell us about your Solar (PV) setup
@mk4 Charge to 100%, discharge down to 10%.
By bobflux , 22 hours ago
-
RE: Connecting Growatt SPH5000 over wired ethernet rather than wireless
The simplest wired option is usually the Growatt Ethern...
By Jonatan , 1 day ago
-
RE: Electricity price predictions
@jamespa And it seems some of the nasty public cloud...
By Batpred , 1 day ago
-
RE: Jokes and fun posts about heat pumps and renewables
Technology is rapidly advancing. BBC News reported th...
By Transparent , 2 days ago
-
RE: Do Fridges and Freezers have COP ratings?
@editor Thank you all for your replies and submitted in...
By Toodles , 2 days ago
-
I know and yes. The secondary deltaT wont necessaril...
By JamesPa , 2 days ago
-
RE: Designing heating system with air to water heat pump in France, near Lyon
Just love the way you put it! 🤣
By Batpred , 2 days ago
-
RE: Safety update; RCBOs supplying inverters or storage batteries
Thank you for sharing. So it seems that your Schneid...
By Batpred , 3 days ago
-
RE: Forum updates, announcements & issues
@upnorthandpersonal thanks for the thoughtful, consider...
By Mars , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@mk4 All 21 panels have their own Enphase IQ7a microinv...
By Toodles , 3 days ago
-
RE: Setback savings - fact or fiction?
Great, so you have proven that MELCloud is consistently...
By RobS , 4 days ago
-
RE: Mitsu PUHZ120Y 'Outdoor Temp 'error?
Thanks David & James It almos...
By DavidAlgarve , 4 days ago
-
RE: Surge protection devices SPDs
@trebor12345 - your original Topic about the right type...
By Transparent , 4 days ago
-
RE: Help needed with Samsung AE120RXYDEG
@tomf I’ve been sent this from a service engineer at Sa...
By Mars , 4 days ago


