Last seen: Jul 9, 2025
@derek-m We install the Nibe units for the high-end properties air source and nearly all our ground source installations and Panasonic for the lower e...
@derek-m In theory, a large buffer tank is a good idea, however, in reality, a 500 litre tank will only hold 12 Kw of heat with a rise of 20 Deg C. If...
@derek-m, I have never seen any effect from being in the sun or shade, a single fan unit will move between 4000 and 6000 M3/hr air per hour (double wi...
@morgan Sorry, not here to get business, just to help.
@grahamh Hi Graham, Fancy seeing you here!!!
@morgan Do not worry, I am here to help. A lot of people do things differently and are not too worried about the performance of the system. I have ove...
@gonzho I am interested in overall performance, preferably on an annual basis SCOP in other words, Instantaneous performance bears little resemblance ...
@morgan Unfortunately it is not simple to heat a house efficiently. To put it in a nutshell, you want the heat pump to pump the circulation water dir...
@morgan system separation is where the heat pump circuit is separated from the house circuit. There will be pumps pumping to the heat pump and a separ...
@editor If you have a standard on-off thermostat, whether compensation will not work and your system will not be as efficient as it could be.
@morgan That will work well, tell them you only want TRV valves on the bedroom radiators, and just lock shields on the rest. Tell them also you do not...
@gonzho Thanks, it looks to be a very basic controller, but interesting. What levels of performance are you achieving? We are developing a unit tha...
Latest Posts
-
RE: BUS Grant, removal of all other heat sources
Bearing in mind I have no expertise or prior knowledge,...
By Scalextrix , 9 minutes ago
-
RE: Who's your electricity provider and what's your tariff?
As you can probably guess I’ve not been persuing TOU ta...
By SUNandAIR , 17 minutes ago
-
@jamespa Good idea, it will have to be fast, I can get ...
By Brendon Uys , 20 minutes ago
-
RE: Who has a V2G EV installation
As has been discussed on other threads, trying to justi...
By Majordennisbloodnok , 12 hours ago
-
RE: Aira Heat Pump: Stylish Scandinavian Heating
Thanks @mikeh. Then I will also go back to non smart ta...
By ChandyKris , 16 hours ago
-
RE: Location of hot water isolation valve on cylinder
@transparent Thank you so much and very helpful. Earlie...
By rossowheels , 2 days ago
-
RE: Ecodan consuming 100kwh per day in new build!!!
It does indeed look like that, @skyefarmer. There is ...
By Majordennisbloodnok , 2 days ago
-
RE: Plug and play solar. Thoughts?
Have a read of my previous posts on so-called Balcony S...
By Lucia , 3 days ago
-
RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
"To tell you the truth, I don't know if HAL is homicida...
By Scalextrix , 3 days ago
-
The Importance of Radiator Balancing for Efficient Heating: Introducing the Flow Regulating Valve
It’s fascinating to watch how low-temperature heating i...
By Mars , 4 days ago
-
RE: Servicing Hitachi HP in rural Somerset
I'd give GreenGenUK a call or email them: sales@greenge...
By Mars , 4 days ago
-
RE: Heating coming on when not required
I played with a max heating temp but there is a world o...
By JamesPa , 5 days ago
-
RE: Pressure drop Primary circuit
I've always regarded topping up heating systems as my j...
By JamesPa , 5 days ago
-
RE: Heat pump solutions and/or installer recommendations for France
I’d travel to France for work if you were struggling wi...
By Damon Blakemore , 5 days ago
-
RE: 5 Star Service from Havenwise
That's always a danger with any new good idea, @morgan....
By Majordennisbloodnok , 5 days ago
-
Have your say in the Renewable Heating Hub Awards
It’s time to celebrate the best (and call out the worst...
By Mars , 5 days ago
-
-
RE: Mitsubishi cycling while on chilled water output
@iaack yes there's no denying that cold air sinks! I s...
By downfield , 6 days ago
