Air Conditioning Companies in Oneonta, NY

Comprehensive list of commercial and residential air conditioning companies in Oneonta, NY offering installation, repair and maintenance services.

Business Listings

January 14, 2005 A. Treffeisen & Son was just awarded several new contracts including an electrical contract for Fox Hospital, a plumbing contract for the Village of Fleischmanns WWTP and an electrical & HVAC contract for the SUNY Oneonta MTW project. Welcome to A. Treffeisen & Son, a 3rd generation Plumbing, HVAC and Electrical contracting company since 1923.


Since 1961 we've been servicing the heating, ventilating and air conditioning requirements of the Mohawk Valley. Our business is built on the belief that every industry should contribute to the betterment of the community. We strive for this by delivering 24hr service and using only top brand equipment. There's no substitute for sound engineering, skilled labor, and care to details.



Saving Energy, One House at a Time! At Kalex Energy Company, we specialize in home improvements that make your home more energy-efficient. Whether you're searching for new windows or doors, insulation, heating and Air Conditioning, or Energy Star appliances, Kalex Energy Company will work with you, your improvement requirements and your budget.


What's the secret to making a smart choice for your heating or cooling requirements? City Suburban Heating & Air Conditioner, locally owned and run by Joseph Isgro since 1982, is a Lennox Premier Dealer, with best quality service for heating systems in the Utica and Rome, New York area.


Auchinachie Plumbing, Heating, Cooling and Water Treatment, situated in Binghamton, NY supplies full plumbing, cooling, heating and water treatment services for domestic, industrial and commercial projects. Choose a category below to begin exploring our website and begin your journey to a more comfortable, healthier business or home.


To save money in the long run, you must start investing in a new heating system now. Reduce your heating costs and discover a whole new level of comfort. A family-owned heating and air conditioning business since 1948 - committed to installing and servicing with excellence. We can assist lower your gas, oil and propane bills. We provide a complete line of product solutions.

  • DO NOT USE THIS COMPANY. THEY WILL PROMISE THE WORLD, BUT WILL NOT EXECUTE ON THE JOB.

For nearly sixty years, Long Energy has set the standard for home comfort providing Oilheat, diesel, propane, and kerosene throughout the Capital Region. Offering the highest quality products to keep your home warm or cool, with installation or replacement of Oilheat equipment, gas heat equipment, and air conditioning.


Serving the Triple Cities since 1970. Petcosky & Sons Plumbing and Heating. is your complete service comfort contractor. We provide 24hr emergency service, any day, any time. Backed by a trained, experienced, and courteous team, Petcosky & Sons Plumbing and Heating is ready to fill all of your commercial and domestic plumbing, heating, air conditioning and environmental comfort requirements.