Very helpful when buying stuff, giving you lots of information about their high-priced fixtures…read more Not so good if you have any problems. Don't really want to deal with you after they have your money. They don't return calls, and when you get hold of them say they will look into it, but never get back to you. Quality products, but rather overpriced, I think, considering their unwillingness to stand behind their merchandise.

Have Dealt with Centennial on numerous occasions and have always been impressed w their level of…read moreservice and expertise. Would highly recommend!!

Billed me $2623 for service on a 21 years old Viessmann system, but house is still cold!…read more Thermostats all set for 22 degrees; now registering 12 degrees on main floor, 16 degrees in basement, and 15 (near windows) to 20 degrees on upper floor.