Accelerated Services, Inc. Allied H.V.A.C. INC. is a full service heating and air conditioning company specializing in delivering and maintaining optimal comfort levels for thousands of customers across Suffolk and Nassau counties on Long Island, N.Y.

Thousands of Long Island clients trust Accelerated Services to provide them with superior heating and cooling services. Proper maintenance extends the life of your system, ensures energy efficiency and helps keep your operating costs down. If you don't have a maintenance agreement or are unhappy with your system, call us at 631.478.1444 or e-mail website@acceleratedhvac.com to get set-up before the weather changes.

Accelerated Services professionals offer a detailed computerized load calculation and analysis on your house. Our mission is to help lower your heating and cooling bills while increasing your level of comfort.

When I moved to Long Island a couple of years ago, Accelerated Services was recommended and they did A/C seasonal preventative maintenance on my house.

What's new?

Accelerated Services is Going Green with Paperless Billing

Posted on Apr 04, 2016  •  Facebook

Spring Service Reminder From Accelerated Services

Posted on Mar 24, 2016  •  Facebook

Wishing you all a WARM Holiday Season!

Posted on Dec 22, 2015  •  Facebook

The Accelerated Team would like to wish everyone a Happy Thanksgiving! https://t.co/6qPvA4eyZk

Posted on Nov 25, 2015  •  Twitter

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