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Last seen: Sep 4, 2025
glad you recognise the rot starts with the manufacturers…installers can be crap for a reason..
In viessmann the curve is a user parameter..vaillant almost the only thing between you making changes and getting a desired out come is the instruct...
It’s the company or perso who specify that should be fine tuning the controller. Ideally that’s the installer too Installing and commissioning is no...
@mjr indeed. heating a room is a zero sum game..but that’s well down a steep learning curve for many. the main thing is to always use compensat...
they do, or at least they can do. i install multi sensor systems on gas boilers and they are both good and reliable. one client added 120m2 of f...
i’m a heating engineer and 12yrs ago I installed vaillant weather compensation on a vaillant boiler. the boiler misbehaved and Vaillant were called ou...
a few things about solar gain.. it’s not really a heating systems performance issue… more building fabric issue MVHR would move the localised gain...
@kev-m Raising a heat curve will always use more energy. But if you turn off with on off controls you will need more energy at the start if a p...
@derek-m “It is virtually impossible to carry out accurate back to back tests on a home heating system, because no two days are exactly the same.“ ...
assuming you have to heated time windows 5-9& 5-11, then the temperature to play with is set back. the aim is to match heat generated to hea...
@peterr Mitsubishi almost certainly have mixing valves and controllers for second and third circuits. Ideally each circuit would have a mixing valve t...
@saz speak to the manufacturer of your heat pump. (let us know your experience)
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