Lake HVAC was founded in 1975. For more than 40 years, Lake HVAC has built and maintained quality HVAC systems for industrial, commercial, institutional and high tech/biotech clients in Massachusetts and New Hampshire. We work with general contractors, developers, facilities departments and engineering firms to ensure that our clients receive efficient, reliable, and cost-effective solutions for their HVAC systems. Our professional experience in HVAC installation, service and design ensures your project will maintain long-term functionality, efficiency and return on facility investment.