I used Genesse Heating and Cooling and sure, they did the job, and were a bit cheaper than the rest, but they essentially just sent out a kid to do this. I meant to have Ballard Natural Gas come out as they were so nice on the phone, have real service techs, and even after not using them (again by accident), they still helped me solve an issue with my gas furnace over the phone! This type of customer service wins me over all the time.