At HVAC Services Long Island, we realize that finding an air conditioning company you can trust can be challenging. While many companies can handle AC repair, we strive to go above and beyond the basics. We are honest, reliable, and guarantee professional 24/7 service from Long Island #1 Choice for air conditioning installation, service, maintenance, and repair. Proudly supporting Suffolk and Nassau County. When you choose HVAC Services Long Island for your air conditioning and ventilation needs, you’ll have our 100-percent satisfaction guarantee and first-rate service: