Main Services: Residential, commercial, industrial HVAC, dehumidification, indoor air quality
Description: Big or small, we do it all! Serving Nassau and Suffolk counties, Giant Mechanical Systems is family owned and operated. With 24 years experience in HVAC, you will always receive quality work at fair prices. 24/7 emergency service available at additional cost. New customers receive a 10% discount off their first service call.
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Nuisance Wildlife Control License in NY :
#Nassau County H3603670000, 45194-H