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Commercial Heating / AC

Commercial Heating & AC

Operations and Maintenance

We provide full-service maintenance, with dedicated staff to ensure on-going system maintenance and quick repair.

System Design & Installation

We provide full and partial HVAC system replacement, as well as brand new ground-up installations. We specialize in retrofitting older buildings with new heating and cooling systems. 


We're Available 24 / 7

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"My wife and I were very impressed from start to finish with True. We now know what great service is. We look forward to staying with True for as long as we own homes on Long island."

John M.

"We had True handle a major Geo Thermal replacement of several systems. The sales consultant was thorough, gave us several options of equipment. Because of the equipment involved, there was a several week lead time. The consultant confirmed a delivery and install date the same day as our initial meeting. The installation manager came out with the consultant, thoroughly explained the installation, and answered all my questions. The installation went on time, on budget, and exactly as they said it would. Great job from start to finish. I will not hesitate to refer True Mechanical in the future."

Brad P.