Apollo Heating and Air Conditioning has been operating in Greater Cincinnati since 1910. It offers a variety of boilers, furnaces, heat pumps, humidifiers, air conditioners and air cleaners. It specializes in customizing heating and air conditioning systems for homes. Its zoning system features individual thermostats and comfort settings for different areas of the home that save money because clients pay only to heat and cool the rooms they use. The company offers a variety of services that includes a 24-hour emergency service, service agreements that provide protection from unexpected repairs, duct cleaning that can drastically improve air quality in home, free sales consultation and up-front pricing guarantees. The company has also developed a niche servicing older historic homes without destroying their architectural integrity. Thousands of its state-of-the-art Mini-Duct System has been installed without major structural carpentry or massive ductwork, occupying about one-tenth the space of a conventional central air conditioning system and removing up to 30 percent more humidity.