You've Trusted Us Since 1932. For over 80 years, Woodman Engineering Co. has built a reputation for reliable, quality heating and air conditioning services. Throughout the Jefferson City area, residential and commercial customers know they can depend on Woodman for everything from routine maintenance to 24-hour emergency service. We sell, service, repair, and install all types of HVAC equipment, including: • Heat pumps • Geothermal equipment • Furnaces • Air cleaners • Humidifiers We’re on-call for all your occasional needs, but for those who also believe in the benefits of an ounce of prevention, maintenance contracts are available. Call Woodman Engineering Co. today for a free estimate on your new installation.