Prompt, friendly and Knowledgeable! Major arrived within their promised time and took the time to understand what we were experiencing in the house. Cold upstairs while blazing hot in the basement in the winter. Hot upstairs and freezing in the basement in the summer. The Comfort Specialist provided different options to meet our needs (and budget) and was very knowledgeable about rebate options that were available to us. They even brought coloring books for the kids!