"The work was carried out efficiently and painlessly in two days together with all the paperwork for selling electricity back to the grid."
"Thank you for taking the time during your survey to address any of our concerns and queries thoroughly and also to your team for their polite manner at all times and their professional and tidy workmanship.
We are very pleased with the results and would highly recommend you and your company to anyone.
"The work was done quickly and efficiently, with a minimum of disturbance. I am one very happy customer!
I struck gold with Sunderland based Gerard Harrison & his Helios Operation.