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Business Details
35 Years
experience
Emergency
services
Expert HVAC Solutions in Southern Maine
Atlantic Comfort Systems has been a trusted mechanical contracting firm since 1991, specializing in heating, ventilation, air conditioning, refrigeration, and plumbing solutions across Maine and New Hampshire. Our foundation in service excellence has expanded to include dedicated construction and controls divisions, supported by 24 certified technicians with over 350 combined years of experience. As authorized dealers for industry-leading brands like Carrier and Daikin, we combine cutting-edge technology with proven expertise to deliver tailored comfort systems for residential, commercial, and government clients.

Our commitment to quality is demonstrated through $10 million bonding capabilities, 24-hour emergency service, and long-term partnerships with premier builders and institutions. With a state-of-the-art facility in Biddeford, Maine, we maintain rigorous standards in system design, installation, and maintenance while embracing energy-efficient innovations that benefit both clients and the environment.
Services
Commercial HVAC Systems Residential Installations Control Systems Integration Plumbing Services Government Contracts Geothermal Heating Energy Recovery Ventilation Ductless Solutions Building Renovations 24-Hour Emergency Repair
Details
  • Year established: 1991
Highlights and features
  • 34 years of specialized HVAC expertise in Maine and New Hampshire markets
  • 24 certified technicians with 350+ combined years of field experience
  • Authorized dealer for Carrier, Daikin, and Mitsubishi HVAC systems
  • 24-hour emergency service and maintenance contract options
  • Proven track record with $10M+ bonding capabilities for large projects
What people say
Best maintenance person EVER Whisper quiet operation Completed on time as promised Thorough check process Highest confidence recommendations
Services
Commercial HVAC Systems
Design and installation of comprehensive heating, ventilation, and air conditioning systems for commercial buildings. Our solutions incorporate energy-efficient technology and smart controls to optimize comfort while reducing operational costs. We specialize in large-scale projects requiring complex system integration and compliance with commercial building codes.
Residential Installations
Custom heating and cooling solutions for residential properties of all sizes. We install high-efficiency furnaces, heat pumps, and ductless systems tailored to homeowners' specific comfort needs and budget requirements. Our team ensures minimal disruption during installation while maximizing system performance and longevity.
Control Systems Integration
Advanced building automation and control system implementation for optimal HVAC performance. Our Honeywell-certified specialists program intelligent controls that manage temperature, humidity, and ventilation while enabling remote monitoring and energy usage optimization for commercial facilities.
Government Contracts
Full mechanical contracting services for federal, state, and municipal government facilities. We maintain required security clearances and bonding capabilities to handle sensitive installations in government buildings, including specialized HVAC systems for secure environments and critical infrastructure.
24-Hour Emergency Repair
Around-the-clock HVAC emergency response for critical system failures. Our certified technicians provide rapid diagnosis and repair services to minimize downtime for residential and commercial clients, ensuring comfort and operational continuity during extreme weather conditions.
Questions
What HVAC services do you offer for commercial buildings?
We provide complete commercial HVAC systems including VAV, geothermal, and energy recovery ventilation solutions with 24/7 emergency support.
Do you handle residential HVAC installations?
Yes, we install heating and cooling systems for homes ranging from 1,400 to 12,000 sq. ft. across Southern Maine.
Are you certified to work on government projects?
We hold security clearances for federal facilities and maintain Honeywell-certified controls specialists for government contracts.
What areas do you service?
We serve all of Maine and New Hampshire with primary operations based in Biddeford, ME.
Do you offer maintenance contracts?
Yes, we provide customized maintenance agreements for both residential and commercial HVAC systems.