Save up to $2,100 on a New HVAC System Right Now

The blistering heat of summer is behind us as we prepare for the chilly winter weather ahead. If your system is more than 10 years old, this could be the opportunity of a lifetime.

We’ve been able to negotiate some exceptional discounts on equipment and our vendors are offering THOUSANDS in system and utility rebates.

With this offer you’ll get:

  • System Rebate – $1,950 value
  • Utility Rebate – $450 value

Total Savings - $2,100

This limited time offer is only available until November 15, 2019. Call us right away at (516) 488-1800 for details and to take advantage of this great offer!

Disclaimer: Ask us for details about financing options available with credit approval. Offers available with purchase and installation of select systems. $500-10 year warranty on parts and materials. Valid on new sales only. Ask dealer for details. Restrictions may apply. Offer expires 11/15/19.


Trust the experts at T.F. O’Brien for courteous, professional services.
(516) 488-1800
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"Completely Satisfied"

"I was completely satisfied with the professionalism, quality, and courteousness of your service. I will continue to call on and recommend you all future AC/Heating needs. Thank You."

- T.F., Baldwin, NY

Insured, Highly Qualified Professionals

Superior Craftsmen with Great Attitudes and Work Ethic

Our people are passionate about sharing their technical expertise to make every day more comfortable in our customers’ homes and businesses.

  • NATE Certified Technicians
  • EPA Certified
  • BPI Heating Certified
  • Professional Engineers (PE)
  • Family Owned since 1934
  • National Association of the Remodeling Industry (NARI) Member
  • Air Conditioning Contractors of America (ACCA) Member
  • A Huntington Township Chamber of Commerce Member
  • A New Hyde Park Chamber of Commerce Member
North American Technical Excellence Badge
BPI - Building Performance Institute, Inc. Certified Logo
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Pay Nothing Until You Are Completely Satisfied

You can expect the following from our techs when they do work for you:

  • They will care for your home and complete the job with speed and precision.
  • They will not wear shoes on your carpets.
  • They will clean up when they are finished and take personal responsibility for your satisfaction.
  • They will not swear in your home.
  • They will not smoke in your home.
  • They are drug-free.

If you’re not completely happy when our technicians are done with the job, you won’t pay until you are totally satisfied with their work. The next time you need heating and cooling work done, call T.F. O’Brien and experience the difference.

HVAC tech measuring for high velocity heating installation
tfobrien high velocity home heating

Financing Available

If you're looking to upgrade your system, but you have to work within a budget, then let T.F. O'Brien help make things a little easier with our financing options, subject to credit approval.

Proudly Serving Long Island Since 1934

Specializing in heating and air conditioning installation, as well as heating repair & ac repair services for 85 years, it’s easy to see why we are the trusted HVAC experts in Long Island. Based in New Hyde Park, NY, we are conveniently located to serve Nassau, West Suffolk, and into Brooklyn and Queens.

Kerry O'Brien