Southern Maine Branch
Southern Maine Branch
Northern Maine Branch
New Hampshire Branch
(207) 883-1473 4 Commercial Road, Scarborough, ME
(207) 487-3706 418 Industrial Park Street, Pittsfield, ME
(603) 626-4884 20 Priscilla Lane, Auburn, NH


Institutional HVAC/R includes a range of businesses, including schools, municipalities, hotels, and healthcare centers. With increased public attention to indoor air quality and energy efficiency, we pride ourselves in designing and building solutions to ensure that people in your building are more safe and comfortable, while keeping costs and resource usage down.

Environments such as hospitals, clinics, medical laboratories, and assisted living facilities present special HVAC challenges to contractors and facilities services providers – challenges that we meet with the reliable systems that your specialized and diverse applications require.


Environments such as hospitals, clinics, medical laboratories and assisted living facilities present special HVAC challenges for facility managers. We empower your medical facility with solutions that ensure appropriate environments from climate-sensitive operating suites and labs to high-traffic cafeterias and waiting rooms.


Whether the academic setting is a single elementary school or an entire university campus, we can partner with you to help you meet the challenges of poor air quality, aging buildings, rising energy and operating costs, and shrinking budgets. We also options for financing improvements and services, including performance contracting.

Assisted living and nursing homes

Assisted living and nursing home facilities must pay particular attention to indoor air concerns. We understand the unique demands of assisted living facilities and provide humidity-controlled comfort with extremely low sound levels and user-friendly controls.

Hotels and hospitality centers

Heating, ventilation, and air conditioning (HVAC) systems are often the largest electricity consumers in hotels. We can help lower HVAC operating costs through practical strategies, such as upgrading controls or replacing outdated HVAC systems with more efficient ones.

Municipal and government buildings

We partner with many local, state, and federal government customers to help them meet complex challenges. A variety of energy-saving projects can help your agency reduce energy and operating expenses while achieving critical building and environmental initiatives.

Correctional facilities

In correctional facilities, an HVAC system must operate reliably to help keep everyone from staff members to inmates comfortable and safe. We consider all aspects of the facility, including security and equipment maintenance procedures.

AAA Energy Service knows how important it is to have a reliable HVAC/R systems that are cost-effective and keep your facilty’s occupants and employees comfortable. From planning and inspections to emergency repairs, we have the professional HVAC/R services and technical expertise you can depend on.

  • It’s convenient for us to have a single HVAC provider for all of Maine, New Hampshire, and Northern Mass. It is also a refreshing change to have a company that actually performs the preventive maintenance tasks we were sold. We look forward to a long relationship.

    Regional Facility Manager
    Large Retail Chain