Fast and Friendly Service Since 1969. Looking for the best HVAC in Columbus, Cincinnati, or Dayton Ohio? You’ve found it. If you are looking for an expert Ohio heating and cooling company to help keep your home at the perfect temperature, Logan AC and Heat Services is a great place to start. For more than 50 years, we have been providing Ohio residents with professional installation, upkeep and repair of home furnaces, heat pumps and air conditioners. Whether you need a heating and cooling company in Columbus, Cincinnati or Dayton, Ohio, the team at Logan AC & Heat Services is here to help! We serve the Dayton, Columbus and Cincinnati areas. Our technicians have the skills and experience to offer the following services: - Furnace installation, maintenance, repair and replacement - Heat pump repair, replacement, installation and maintenance - A/C maintenance, repair, replacement and installation - Indoor air quality improvement - Duct cleaning - Emergency HVAC Assistance