Mountain Air Systems, Inc.

The Leader in Full Service Mechanical Contracting since 1985

We specialize in HVAC and custom mechanical systems design and installation that we back with our guaranteed Preventative Maintenance Agreement. We take a holistic approach to designing, installing and servicing mechanical systems to reduce costs, boost long-term efficiency and maximize equipment longevity. We are the only company in Vermont that offers this exceptional level of service, support and peace of mind to customers in Vermont, New Hampshire, and New York.

Custom Commercial HVAC & Mechanical System Design

Since we service what we build, we design for the long-haul.

That process begins with collaborating with building owners to understand their custom mechanical system needs. While commercial HVAC systems are a large part of what we do, we are uniquely capable of delivering large scale custom mechanical systems to businesses in Vermont, New Hampshire and New York.

Custom Welding & Metal Fabrication Teams Deliver

As a full-service mechanical contractor, our Installation Division is one part of our holistic approach to mechanical systems. And because we have our own in-house Service Division, our Installation Division is always considering the serviceability of the systems we install, making sure everything is easily accessible and simple to maintain for our customers in Vermont, New York, and New Hamphshire.

A Holistic, Proactive Approach to Service, Guaranteed

We begin each customer relationship with a thorough evaluation of your system, enabling us to assess its current condition and make sure it runs efficiently over the long haul.

Custom Metal Fabricators & Specialty Welders

Mountain Air Systems features a Specialty Welding Division capable of metal fabrication with carbon steel, stainless steel, aluminum, and various other metals. Our welders are certified for liquid propane and natural gas piping, high-pressure steam piping, high-temperature hot-water piping and medical gas piping.