RED LINE Heating & Cooling is a professional company; they were the only ones around that had a specific product I needed for my furnace. They provided me with a accurate quote and serviced me within a reasonable time frame. RED LINE Heating & Cooling technicians' were neat, timely, knowledgeable and friendly. In comparison to other companies in the area RED LINE Heating & Cooling were very affordable - other businesses' costs or prices are doubled of what RED LINE Heating & Cooling are offering!