Purchased underfloor insulation, ground cover and ceiling insulation, paid cash, all went well until the installers refused to insulate where I have florescent tube lighting in the garage (which i might add DO NOT GET HOT IN ANY WAY!) Was left with half insulated under flooring meaning I might as well have not bothered. $250+ later cant remember the figure an electrician dropped the lights with chains which looks ridiculous. The insulation guys came back and finished the job. Overall the the guys doing the work were fantastic, the lack of knowledge of regulation at sale not too great. I was looking at solar with battery storage but reevaluated that position.