We are very pleased with our new Viessmann Vitodens 050 Combi boiler. The website is informative,the price very competitive,the ordering process simple. We received emails confirming the order, installation date & engineer's the day before installation giving ETA. Peter the engineer started work as per his email. He was professional,courteous, tidy & took time to explain about the Combi boiler,Adey MagnaClean & tado Smart Thermostat. We hope to enjoy many years of reliable service from our new Combi boiler,MagnaClean & tado. We have already mentioned to friends & family how impressed we are with the service provided by Heatable.