I came across this discussion recently and just wanted to give my experience of A Shade Greener that may help others regarding their boiler finance agreement.
We had a 10yr finance contract for a boiler fitted July 2015.
After a summer of discontent with ASG I discovered that if you have paid HALF the agreement or more you can legally return the boiler to them at no cost to yourself. I've just returned mine the feeling is liberating.
It all started mid summer during lockdown when they refused to service our boiler because we didn't have a loft ladder or flo