Last seen: Jul 23, 2024
InstallerSHOW 2024 opens today at the NEC in Birmingham. Here's a thread for discussions on new products, developments, news, etc. Grant launch thei...
I've ditched the weekly 1hr Legionella cycle using the 3kW immersion heater fitted to a Grant 250L pre-plumbed cylinder. I was finding it ineffective ...
Sadly a very significant downside, turned out the 'too good to be true' HFO synthetic refrigerants like R1234yf and R1234ze were, well, too good to be...
Yes, I have the 'Home-me' (TM) integration system too. Similar set-up, stuff like Growatt Solar + batteries + Grant [Chofu] ASHP. All should just be s...
@matenateson it's good. Welcome on board! We have a modest 3.6kW 9 panel array on a house which one company dismissed as 'not suitable for solar PV' b...
Hello @davesoa, some things I would cross check between different heat loss calculation estimates, in order of greatest influence on heat loss estimat...
Hi @editor, a lot of damp is mis-diagnosed as rising. Often it is penetrating damp through the fabric, common in older solid wall properties in the co...
That could be the case, depending on where the triple rad is in the circuit. We only have one triple on a 20 rad system, which is in a conservatory. T...
Timber framing that is dry lined can be a very effective noise amplifier to anything fixed to it. A good analogy is a carelessly mounted bathroom extr...
With BESS the ASHP is best. Charge battery for free from solar, then run ASHP in HW mode for an hour = free hot water + COP advantage that direct imme...
ASHP noise from the outdoor unit should not transmit through solid walls and DG windows to inside. You would hear it through open windows however. If ...
@holts Ah, now that's revealing! UFH downstairs + 50degc flow temperature must mean the installers are planning to using mixing valves on the UFH ma...
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Latest Posts
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RE: Additional Battery v Wind Turbine v Ripple
I should add, being an investment, the value of your in...
By Old_Scientist , 3 hours ago
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RE: Ecodan - flow rates, sensors, settings
Achieving an accurate flow measurement is probably the ...
By Derek M , 7 hours ago
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RE: Ecodan ASHP - How to optimise my set up?
Again, thank you for another thorough post, @derek-m - ...
By rhh2348 , 9 hours ago
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RE: Delivering a smart and secure electricity system: government consultation
@Transparent.Now that I am represented by a new MP I th...
By IanMK13 , 11 hours ago
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RE: Vaillant aroTHERM plus not level or flat - what base is best under an external unit?
Similar thread here
By Johnmo , 12 hours ago
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RE: VDI 2035 heating water specification
Been looking and it seems a good little project. Ever...
By Johnmo , 1 day ago
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RE: Do I accept an ASHP and Solar Panel retrofit under the HUG 2 scheme?
Will do. I'm currently waiting for another survey / vis...
By dssr , 2 days ago
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The company that did the borehole were expecting us to ...
By Johnmo , 2 days ago
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RE: The Misquote That Ruined the Heating Industry
@abernyte manufacturer training is pretty average. They...
By Mars , 2 days ago
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RE: ECO4 Scheme and EPC ratings
@mellow Thanks. Given there is a scheme requirement to ...
By Old_Scientist , 3 days ago
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RE: Do I just go with the lowest quote for my heat pump?
@jancold To me its a no-brainer then, a max 40C flow te...
By bontwoody , 3 days ago
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RE: Heat Pump Books Beginners – Bodge Buster & From Zero To Heat Pump Hero
@editor Presumably he had some good weather Compensatio...
By Toodles , 4 days ago
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RE: New Vaillant 7kW aroTherm ASHP or oil boiler dilemma/decision??
Storage capacity really is dependent on storage tempera...
By Johnmo , 4 days ago
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RE: HP Cycling, Expected or Undesirable
Just a little update. I ordered a longer shielded twin ...
By bontwoody , 4 days ago
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RE: Domestic hot water timer doing crazy things on my Grant Aerona3 10kW air source heat pump
Thanks @allyfish for the pics and info. Spoke to the in...
By Mellow , 4 days ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
It's been a busy day for calls and emails from Aira. I ...
By MikeH , 4 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Hmm. A bit of a nuanced answer, methinks. As I've alr...
By Majordennisbloodnok , 4 days ago
Latest Topics
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Ecodan - flow rates, sensors, settings
By rhh2348 10 hours ago
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Replacing mains water with well water
By Johnmo 2 days ago
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Additional Battery v Wind Turbine v Ripple
By bontwoody 2 days ago
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By jamespipe 3 days ago
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VDI 2035 heating water specification
By Johnmo 3 days ago
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Do I just go with the lowest quote for my heat pump?
By Jancold 5 days ago
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The Misquote That Ruined the Heating Industry
By Alec Morrow 5 days ago
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Battery Storage Wiring Gauge Question
By Puff 6 days ago
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