One Hour Air Conditioning & Heating has been serving Dallas, TX, and the surrounding communities since our doors opened in 1988. When you need skilled HVAC contractors who are licensed and insured, contact us first! We are proud of our staff, products, and work. By providing ongoing training, we can keep our technicians updated on the latest technology in the field. This edge allows us to stay on the cutting-edge of advances in home heating and cooling solutions. That’s what makes us a leading air conditioning and heating company in Dallas, TX.