A&I Mechanical Services Inc., Logo

A&I Mechanical Services, Inc.

Long Island HVAC Services

Weather the seasonal extremes with HVAC services from A&I Mechanical Services Inc. in Freeport, New York. Our experienced team of factory-trained technicians is well-equipped to work on residential, commercial, and industrial ventilation systems. You can also count on us for plumbing services. Call us for the service, installation, and maintenance of systems ranging from two tons to 300 tons. For residential customers, we are dealers for:

Trane™ | York™ | Rheem™ | Carrier™ | Goodman™ | American Standard™ | Rudd™ | Bryant™ | Janatrol™ | Lenox™

hvac 20 ton unit

This unit was installed on the 4th floor of a New York City office building.

Residential Unit
Residential A/C Units

rooftop unit
A replacement rooftop heat/cooling unit. Custom adapter curb. New duct work, wiring, and gas piping.

Temperature & Humidity Control

Protect your livelihood and business by counting on our HVAC expertise. Downtime at your business can be a costly interruption, affecting your operations, employees, and customers. We provide temperature and humidity control for a wide range of clients whose business success depends on their machines and equipment that are sensitive to environmental conditions to function properly. Our clients include:

Office Buildings | Health Care Facilities | Computer Rooms | Telephone Equipment Rooms | Retail Establishments | Factories | Clean Rooms

Dehumidifier in a water treatment plant
AC Unit
Use your ductless system to manage humidity

Ductless Heating & Cooling Split Systems

Choose from a range of name-brand manufacturers to improve the efficiency of your heating and cooling system. You'll increase the comfort of your home while lowering your energy bills at the same time. We carry equipment from many prominent manufacturers, including:

Fujitsu™ | Daikin™ | Sanyo™ | Mitsubishi™ | Carrier™ | LG™ 

Sanyo Fireplace