About Harnist Services Inc.: Residential & Commercial - Serving: Middle Georgia HSI Heating and Air is a full-service heating, ventilation and air-conditioning contractor for residential and commercial customers. Our EPA certified technicians have the training, tools and experience to handle a complete range of heating, air-conditioning and air-quality services. Furnace and Air Conditioning Installation (New & Replacement) HVAC System Repairs & Safety Inspections Ductwork Design, Fabrication, Installation & Cleaning Indoor Air Quality (IAQ) Equipment Installation & Service Maintenance Service Plans Integrated Control Systems Since 2007, HSI Heating and Air has provided courteous, on-time HVAC services that improve the comfort and health of our Middle Georgia area customers. Our goal is simple: maximize your comfort, health, and energy savings by setting industry standards all others will choose to follow.

Harnist Services Inc. is located at 2430 Industrial Park Drive Macon, GA 31216. Please call at 478-956-1097 for more information about their service, office hours, warranty and license.

The areas it serves include Macon, GA districts.

Its office number is 478-956-1097. Harnist Services Inc. does not have a web site in our record.

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