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Cool down with our air conditioning services.

Whether you have a residential, commercial, or institutional property, we have the expertise to make sure your cooling system is fixed quickly and properly.

  •   Central A/C units

  •   Custom duct work

  •   Humidifiers

  •   Hydro air systems

  •   Rooftop units

  •   Split system

  •   Ductless Mini-Split A/C and Heat Pumps

  •   Thermostats, zone controls, and more!

What can we do for you?

G.H. Herrmann is a factory authorized York Dealer. We are fully insured and EPA certified, offering certificates of insurance and worker's compensation upon request.


In addition to our cooling system sales and repairs, we also offer heating, refrigeration, installation and service.

Rely on our expertise.


Emergency service available. Call now!


Proudly serving Columbia and the surrounding counties with 40 years of expertise!

A/C & Heat Pumps

Mitsubishi Ductless Mini Split System

YORK Residential & Commercial Systems

CARRIER Residential & Commercial Systems

TRANE Residential & Commercial Systems


York Package commercial roof top units

Carrier Package commercial roof top units

TRANE Package commercial roof top units

Our Major Product

Lines Include: