1400 Hotel Rd, STE. F

Auburn, ME 04210

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About Us

About Thayer, LLC

We are a Full-Service Commercial Heating, Ventilation, Air Conditioning, Refrigeration & Plumbing Contractor.

Since 1981, commercial, industrial and institutional building managers have relied upon Thayer, LLC to design, install, maintain and repair their HVAC/R & mechanical systems.

To successfully operate facilities today there must be a thorough understanding of the complex interactions between all of the systems within a building; Each system plays an important role in the operation of the facility and the comfort and safety of its occupants.

Thayer, LLC strives to deliver the highest quality, performance-based services at all times by providing business solutions tailored to each individual customer.

We aim to develop enduring relationships with our customers by taking the time to understand their unique needs and culture.  Our ultimate business goal is to make a positive and productive difference to our customers’ business performance. We offer a complete range of services with a team of experts supporting customers throughout the States of Maine & New Hampshire.

Mission Statement

Doing Bussiness Since 1981

Thayer, LLC Is A Leading HVAC/R Mechanical Contractor
Offering Innovative Commercial, Industrial & Institutional Building Solutions


  • Create and maintain healthy, comfortable, efficient and productive environments.


  • Combine great people working in a team environment to design, install and maintain quality mechanical systems.
  • Craft solutions to maximize performance and cost effectiveness while minimizing impact on our environment.
  • Focus expert solutions to individual needs.
  • Make a positive difference to our customers, our team members, our community and our planet.


  • Always remember that the customer is our lifeblood.
  • Always listen and understand the needs of our customers.
  • Always build long-term partnerships based on mutual trust and respect.
  • Always deliver what we’ve promised, when we’ve promised.
  • Always engage in fair, competitive pricing policies.
  • Always practice excellence in all performed work.
  • Always respect our environment and dedicate efforts to preserve our natural resources.
  • Always stand behind our work.

Why We’re Different


Thayer, LLC is known for high-quality workmanship with safety at the forefront of everything we do. We are committed to quality and safety.


To meet the exact needs of your project, maintain efficiency and provide high quality, Thayer LLC has its own onsite fabrication facility.


Our expert technicians are qualified and experienced to service commercial, industrial and institutional HVAC and refrigeration.


Our single point of contact design-build process guarantees customer satisfaction & system performance.


Thayer, LLC focuses on energy saving opportunities & overall reduction of operating costs for our customers without cutting corners.


Thayer, LLC, combines local family owned & operated values with world-class ideas, practices & technologies in every project we do.

Affiliation & partnerships

Below are just a few of our affiliates and partners that we deal with to provide the best quality HVAC and refridgeration products and services.

Get a free estimate for your next HVAC/R project.




Services Area

Proudly serving all of Maine and New Hampshire.

Hours of Operation

Monday - Friday
7:00 a.m. to 5:00 p.m.
Always On Call 24/7

Saturday - Sunday
24/7 Emergency On Call


1400 Hotel Rd, STE. F
Auburn, ME 04210



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