Last seen: Aug 4, 2025
@editor Mars, Maybe you need to re-design your system. There is probably not much to alter to get good performance. If you send me some information, I...
@derek-m Thanks, I also feel like I am banging my heat against a brick wall. However, If one person listins, they may tell another and maybe the mssag...
@editor By the way, Performance of the heat pump (COP) has nothing to do with how leaky your house is. It has to to with the distribution system and h...
@editor No, it is a 1930's ex council house with cavity wall insulation, double galzing installed about 20 years ago and 250 mm of rockwool in the lof...
@editor Low flow temperatures = low bills. It realy is that simple.
@editor Mars, your unit had a co of 3, My customers had a COP of 5. He has used nearly halve the electricity you have to do the same job, that will be...
Markc, I am sorry to say but with a flow temperature of 50 deg C at this time of year, I hope you have a very big pocket because your bill is going to...
@caroline2000 Do not despair, 9 times out of 10 it is a case of so cloce but so far. Often with minor adjustnents to the equipment and the way you opp...
@caroline2000 Your high energy bills are mor than likly caused by your thermostats. The heat pump is running flat out all the time and not modulating,...
It is very simple, you are treating your heat pump in the same way as your old boiler, your het pump probably produces 5-12 Kw, Your old boiler probab...
@helensq An air test of 4 m3/hr/m2/hour is not good at all, it is fine for a normal house with passive ventellation but not with an MVHR system, the h...
@caroline2000 It is usually quite simple to correct the installation. Firstly I would need some information. What is the make and model of your hea...
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