Preventive Maintenance

Customize Design and Build

Major Clients

Major Clients

Contact Us

a.d. winston
service, inc.

43-15 36th St.
Long Island City
NY 11101
Ph. 718-361-2811
Fa. 718-361-5798

Home Page

a.d. winston service specializes in the maintenance & service of commercial industrial systems. Since its founding in 1990, the company has established a long list of satisfied commercial customers who value the outstanding service we provide.

a.d. winston service has completed HVAC retrofits for residential applications in NYC. These retrofits range from 100 ton to 2 ton with many PTAC conversions to central air including lanmark buildings. and high end residential HVAC systems.

At the heart of this service is the high level of training shared by every a.d. winston employee. From our licensed professional engineers to our maintenance technicians who receive a minimum of two weeks of "update training" each year, the emphasis at our company is on attracting and retaining the most qualified HVAC professionals in the business.

In addition, our program of computer-planned preventive maintenance further ensures that our customers enjoy the greatest possible degree of trouble-free heating and air conditioning service. Our maintenance program is implemented and scheduled based on the recommended tasks and procedures for the particular equipment.

We warranty all of our work for one year. However, even the best maintained systems may develop problems at some point. To keep downtime from these interruptions to a minimum, we guarantee same-day service if you call before 2 p.m. And we provide 24 hour emergency service for all customers.


Among the services we offer our customers are the following:

  • Preventive Maintenance Program
  • 24 Hour Service
  • HVAC Systems Analysis
  • Air and Water Balancing
  • System Installation
  • Temperature Controls
  • Steamfitting Piping and Service
  • Energy Management Retrofits and Monitoring


Site Designed by