The panels come with connectors on them, so you just need to link them up in series depending on the string voltage of the inverter.
tje cable to the inverter will needs ends fitted, and then mounting isolators inverter, etc
Can you get a heat loss calculation done for your house say the heat engineer app, costs a tenner to see what the build is like?
what about hiring a thermal camera to help ‘see’ poor insulation/ poor build details?
check UFH is functioning properly?
Is the hot water return just cooling the cylinder if it’s on for 13.5 hours?
You are pumping hot water around a loop of pipe most of the day, cooling the cylinder as it goes,
the £2k. May have saved all the actuators, extra pumps and hassle so may have cost
You nothing extra
i like a specification to put out to tender so all contractors quote for the same product, lets you compare apples to apples.
Where are you in the UK
My council (Fife) will take electrical certificates from any electrician as long as they supply a SJIB/JIB card which proves qualifications
Thats the old one, new one is something like 225 pages. Covers all the heat geek stuff as no doubt they are one in the same just in more bite size portions
Although it’s a different person, I found it was the same email thread, just that the email handler was unable to read/digest several emails before replying and just go with email reply 1.
If you ask a technical question they don’t answer quickly.
standard direct debit type questions answered quickly songuess they just go for the low hanging fruit