Heating and Air conditioning, Design, installation and service. We install Central air conditioning, furnaces, boilers, ductless, heat pumps, Geo thermal , indoor air filtration, humidifiers and dehumidifiers as well. We service, all of Nassau and Suffolk counties. Free estimates, over 100,000 installations over the past 40 years. Mitsubishi Diamond Contractor and Rheem Pro Partner. Service Contracts are available.