Full service residential HVAC contractor serving Dayton, Ohio area. C J S Heating & Air, we repair all makes and models. When it comes to your family or business you want a dependable air conditioning and heating systems that provide you with value as well as comfort. Thanks to C J S Heating & Air you can expect value and comfort. We also service and install these specialty items. Geothermal closed loop, geothermal open loop, Hybrid systems, and water boilers.

Providing engineering and land surveying services. Located in New York, New Jersey, Ohio, Illinois, and Florida. Henderson and Bodwell, LLP Consulting Engineers maintains branch offices in five (5) states - New York, New Jersey, Ohio, Ilinois and Florida.