Reduce your owning and operating costs by as much as 10-30% with preventative maintenance.

We provide professional maintenance to systems from standard commercial HVAC to large biomass installations.  It’s part of our long list of capabilities, starting with design-build and fabrication.

Thayer recognizes and acknowledges the need for preventative maintenance, and is committed to providing customized maintenance agreements to customers both large and small.  Initiating a preventative maintenance program reduces the chances of little problems becoming big problems and minimizes surprises along the way.

Unnecessary equipment repairs can quickly eat away at even the most well-planned budget.  By having a professional maintenance program in place, you can rest easy knowing Thayer Corporation’s team of expert technicians is on the job.  Thayer Corporation is a Linc Service contractor, and we’re proud that Thayer is among the few contractors to be Linc Service qualified.

Visit our Ask the Experts or Request Service sections to begin


richardnThayer Corporation will maintain and service even the most challenging commercial applications.  If a system needs upkeep or updating, our technicians are capable of identifying the needs and handling the job.

Our in-house fabrication shop allows Thayer Corporation to fabricate precisely the right parts to replace or repair a system.  Skilled field technicians undergo frequent job training to ensure that they are at the leading edge of the HVAC and plumbing fields at all times.  In-house fabrication means our quality work is assured on each job; start to finish

Holding true to the design-build philosophy, Thayer Corporation’s engineering staff is available to analyze an existing system and determine necessary adjustments to optimize comfort, accommodate workplace requirements, and minimize operating costs.

Visit our Ask the Experts or Request Service sections to begin.

Linc Service

Linc Service LogoThayer Corporation is a privately-owned proud member of the Linc Service franchise. With an army of over 140 independently- and company-owned locations, Linc has the resources and the network to tackle almost any mechanical problem or need.  Strict guidelines and requirements reassure you that service is always above par.  Only a fraction of mechanical contractors have what it takes to become a Linc qualified contractor (about 1 contractor in 100).   Thayer Corporation is the only Linc Service qualified contractor in the state of Maine.