I had a Trane xli ton air conditioner and a Trane XC Furnace installed yesterday The local dealer that installed it did a phenomenal job..Shop Perfect Aire BTU Window Air Conditioner sq. ft. PAC .Lo.ng for the best air conditioner? Consumer Reports has honest ratings and reviews on air conditioners from the unbiased experts you can trust..Premier Heating and Air is proud to be Denver’s Top Rated Local HVAC Company. We offer an array of heating and cooling services and we also specialize in water heaters, electrical systems, and indoor air quality. If you’re interested in learning more about our HVAC services, us today! .