Enjoy Year-Round Comfort Turn to our local HVAC company for speedy HVAC services in the Grain Valley, MO area Your search for a local HVAC company in the Grain Valley, MO area ends here. Since 1981, Elkins Air Conditioning & Heating has been providing fast, reliable HVAC services to homeowners and business owners alike. We have the experience and equipment needed to handle all your HVAC replacement, HVAC repair and HVAC maintenance needs. Call now to schedule dependable HVAC services. We'll be happy to answer any questions.