When I had to change my boiler, it's a major decision my wife and I had to make, not just the cost, but disturbance and running cost. I contacted Valley Heating Services and discussed our options over the phone. Then a nice man visited at the time we specified and talked both of us through the whole process. What we did like was the Vaillant Boiler which we think is the best type and they rinse the radiators, fit a filter and do water samples to make sure our system is clean. The fitters turned up at the time they said and changed the boiler within the day with no mess. Thanks Valley heating services, we would strongly recommend your services.