We decided to get our furnace checked out for the first time since moving in a few years ago. After researching on Homestars we chose Cosmopolian based on the great reviews and were glad we did. Hasan and team came over quickly to take a look at our furnace and spent time explaining what they were doing and how to look after it regularly, which we appreciated. Our humidifier wasn't working and we decided to have them repair it as well. They came back the next afternoon and worked for over 3+ hours to install it. It turned out that a larger sized humidifier had been loaded in their van, which would have cost more but they didn't charge us for the difference. Overall, they were knowledgeable, prompt, thorough & clean (rolled out a red carpet to protect our floors). We'd recommend them to friends and family looking for heating services. Thanks again guys!