OMS INC. Heating and Air Conditioning has been a trusted HVAC contractor serving Parker, Castle Rock, Highlands Ranch, Aurora, and Centennial in Colorado since 2003. They specialize in residential and commercial heating and cooling system installation, repair, and maintenance, including furnace, boiler, and AC services. Customers praise their great service, fast response, and affordable prices, describing their experience as perfect and their customer service as "over the top."
OMS HVAC/Mechanical (Glen Onken) AND TEAM are the best HVAC folks I’ve had the pleasure to work with. We built our home 23 years ago and obviously put in the basic furnace/AC for cost reasons. When the AC unit went bad, Glen came out and BEAT everyone on service and price. We were able to get a Bosch complete system (Furnace/AC top of the line) with heat pump and high efficiency. Glen sized it to use our existing duct work and we have been extremely happy. He put sensors around the house we can program to a zone using our Smart Phone app remotely from anywhere. THE COMFORT LEVEL in our house has gone up 1000%. We control the humidity, the temp by zone, AND OUR… read full review
Jun 2025
5.0★★★★★
Mike was fantastic. They have a customer for life now. First time home owner and he walked us through our whole system for an issue I thought I had. Extremely grateful I found them.
Jun 2025
5.0★★★★★
Mike was fantastic. We’re first time home owners and he took the time to walk us through our system. He was such an honest guy and great to speak to. Will absolutely only be calling them for now on. Customer for life.
