Armistead Mechanical, Inc. Services prides itself on being able to design a system to suit your needs and budget.

Our technical staff offers you state-of-the-art technology and service, thereby seeing your project through from design to installation. Many customers rely on our expertise for recommendations on what upgrades will best replace or work with their existing system.


As your business and space grows, your systems needs may change and evolve.

We can replace and upgrade your current systems whether it is a modernization, renovation, or a change in ductwork for more efficient airflow.

Our project management teams provide single source accountability resulting in projects that deliver optimum results, lasting performance and that come in on time and within budget.



  • Retrofit Project – YMCA Air Heat Recovery Units

    Wyckoff, New Jersey

    Removed and replaced two 100% outdoor air heat recovery units.

    A 100-ton crane and two flatbed trailers were required to truck the new equipment in to the jobsite and the old units out. Once in place, the new units were up and running in 48 hours.

  • Retrofit Project – Liberty Corner Firehouse

    Bernards Township, New Jersey

    Replaced the existing rooftop equipment with a new Carrier unit. It was installed with a fresh air economizer and updated fresh air controls.

  • Retrofit Project – Digital Color Concepts

    Mountainside, New Jersey

    A new Lennox rooftop unit was installed with a fresh air economizer and updated fresh air controls.

  • Retrofit Project – Orange & Rockland Utilities

    Monroe, New York

    The existing HydroTherm boilers were replaced at the Blooming Grove facility. Rooftop units were also replaced at their Spring Valley location.

  • Retrofit Project – Orange & Rockland Conference Center

    Forestburgh, New York

    A new Mitsubishi City Multi system was installed with no exposed piping at an 1893 mansion at the Orange & Rockland Conference Center.

  • Retrofit Project – Sears Tower Repair

    Newburgh, New York

    Armistead Mechanical, Inc. Services had this structural steel fabricated in order to refurbish the water cooling tower for the Sears store at the Newburgh Mall.

  • Retrofit Project – Metal Container

    New Windsor, New York

    A 25-year old 75-ton rooftop unit was replaced in one day for Metal Container, a manufacturing plant for Budweiser beer cans. Armistead has performed many different projects of varying sizes for the facility.