My Heat exchanger cracked which i was told was not repairable by two separate guys, Jason being one of them. I found these guys online and used their online booking system which was nice. They showed up on time and installed a dual stage American Standard furnace with 10 years warranty. Install took about 4 hours and I had heat. Very professional job, furnace room looks great now and the furnace is very powerful, takes 3 minutes to heat the whole house. The guys were neat and polite and even my dog liked them. I highly recommend.