As I mentioned, the Genvex Combi 185 is a MVHR with a built in EASHP. The HP heats the 185l hot water tank and provides warm air through the MVHR. I bought my Genvex direct from Denmark many years ago at a fraction of the cost from THE.
I designed and built a PH that didn't need conventional central heating. It was heated using an electric towel rail in each of the three bathrooms and by warm air heating from a Genvex Combi 185. The temperature of the whole house was kept at 23C. It only worked because the house was only 130m2, had good air tightness and very good levels of insulation. It was a very pleasant environment to live in.
I'm using a Predator saw/knife to cut mineral wool insulation and it's suprisingly effective. It's a tough material, a lot different to EPS/PIR. Worth a try for a tenner from Amazon.
I would go back to the tiler you originally hired and ask his opinion. If he accepts the other tiler was working on his behalf, then it may encourage him to sort it out.
I would never get involved with Planning if I didn't have to, as in my experience they're a bunch of morons that just cost you money. Short and sweet, and just my opinion.
Not completely. I have a SOLAR iBOOST which has two outputs, although the instructions say they are for two immersions, I don't know why one couldn't be used for electric UFH.
In the Lindab instructions they specifically say not to use power tools for cutting. The reason they give, is that using power tools destroys the galvanising around the cut. Apparently if hand tools are used then the galvanising is able to 'creep' back over the cut surface and maintain rust proofing. We didn't have any rust problems after six years.
Close the flow valve fully, counting the number of turns. Then open the valve half that number. Leave it a day and if the room temperature is still too hot, or not hot enough, adjust the valve accordingly.