Air Conditioning Companies in New London, CT

Comprehensive list of commercial and residential air conditioning companies in New London, CT offering installation, repair and maintenance services.

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Advanced, affordable heating and air conditioning has never been this accessible! Air. is dedicated to bringing you best quality installation and service. So whether you are in a domestic or commercial sector, searching for a 1st time installation or a modern replacement for your older unit, be sure to take advantage of our superior service.


Welcome to Williams Oil - The Heat People., where we specialize in serving Connecticut's Southeast Region and the Middlesex county shoreline with the best quality of repair, installation, sales, and service for your various domestic and commercial requirements. We are equipped to handle heating, air conditioning, for all major brand.


We are a complete service HVAC contractor situated in Preston, Ct. We are fully licensed and bonded in Connecticut and Rhode Island. Our service area includes Eastern Ct and Southern Rhode Island. We service all makes and models of Heat Pumps, Gas heating and Cooling equipment as well as Mitsubishi Mr. Slim Ductless systems and Unico High Velocity systems.



Our current oil price will be updated here daily, please confirm oil price when placing orders.

  • I found Mansfield Self Storage to be a great facility. The staff was extremely knowledgable

We have been servicing the Middlesex county area since 1945 when converting coal boilers to oil was the latest technology. In keeping up with the times, air conditioning and sheet metal fabrication were added to our services within the 1970's.


At Degree Incorporated, we are proud of our service to the Glastonbury area and look ahead to assisting you with your air conditioning & heating requirements. We're glad to serve both domestic and commercial clients; each of our experts is prepared to assist you with the sales, service, and installation of the comfort system that is perfect for your business or home.


M.J. Emonds Mechanical Contractors is a heating, ventilation and air conditioning firm committed to delivering quality HVAC installation and service in Connecticut. We are a certified Trane Comfort Specialist Dealer providing dependable service and quality Trane products to central Connecticut clients.

  • While I was out of town I had my furnace serviced by Emmonds because I was selling the

COMMERCIAL & INDUSTRIAL CONTRACTORS Our firm is the one to call when you need prompt, professional, and professional service. Established in 1982, we've been raising the bar for premier HVAC service in Connecticut for the past twenty five years! We install Commercial Solar Hot Water Systems as part of our services. Refer to our Solar Systems page for details.