Arenz Heating & Air Conditioning

Since 1998, we’ve proudly served Eastern Long Island, offering over 170 years of combined HVAC expertise. Specializing in new construction, installation, renovation, and service, we take pride in getting the job done right the first time.

We build our business on customer referrals, a testament to the trust and satisfaction of those we serve. From residential systems to large-scale geothermal projects, we’re here for all your heating and cooling needs.