We've been using Edison Heating and Cooling for a very long time and they are great. Among the work they've done for us are the replacements of two furnaces, two air conditioners, and two humidifiers, along with duct work in our basement. They are always neat, clean, thoughtful, and fast. Most importantly, if you don't understand something they are saying, they'll stay and explain it to you. Their prices are also very competitive.