Are you looking for heating and cooling in Nassau County, all in one efficient package? Then you might want to think about a heat pump installation from T.F. O’Brien. Heat pumps in Nassau County, NY provide higher efficiency because they transfer hot air as opposed to burning fuel inside your home. When you work with T.F. O’Brien on your heat pump installation, you’ll have access to greater home comfort all year, and you’ll save energy.
Our heat pumps are high quality and are from the best home comfort brands in the business. These heat pumps are designed to provide your home with the appropriate levels of heating and cooling, at a price that works with your budget. And, you’ll be glad to know that our heat pumps are environmentally sound, having achieved an Energy Star rating and using non ozone-depleting refrigerant.
Get Started with an Estimate
Call T.F. O'Brien Cooling & Heating at (516) 488-1800 or complete our short form below and a representative will reach out to you.
"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


T.F. O’Brien review scores as of 10/18/22
Heat Pumps in Nassau County from T. F. O’Brien are energy efficient and environmentally conscious.

- Heat Pump Maintenance
- Heat Pump Installation
- Heat Pump Repair
Your complete satisfaction is our top priority. We strive to ensure that you’re completely satisfied with the work we’ve done for you, and we never consider a job done until you are. When you need a heat pump for your Nassau County home, count on T.F. O’Brien for professional installation and service after the sale. To learn more, give us a call at 516.488.1800 and we will be happy to assist you.