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Since 2009, Efficient Heating and Cooling has been committed to providing top-quality HVAC service across central Oklahoma, including the greater OKC area. Now, with the combined expertise of Robert Dery of Mechanical Innovations and our founder Jon Dobbs, we bring over 50 years of experience under one name. There's not much we haven't seen or fixed. From repairs to installations, we live up to our name more than ever, delivering efficient, reliable service that gets the job done right the first time.