Electrical • Data • Alarm • Heating • Cooling

We have been serving clients in the Greater Boston and surrounding areas since 1952. As a preferred contractor we provide design, service, sales, installation and maintenance of high-efficiency Heating, Cooling, Electrical, DataAlarm and Automation Systems.

We are capable of taking a project from concept to completion by utilizing clear communication, practical designs, innovative technology and 24-hour service.

We would welcome the opportunity to meet with you to discuss our services in greater detail and to understand if we can be a fit for your project.


innovation.  comfort.  security.


Design. Build. Maintain.

Keyes North Atlantic, Inc. is a design-build firm specializing in custom design, replacement, installation, service and maintenance of Heating, Cooling, Electrical, DataAlarm and automation systems in Massachusetts since 1952.

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Schedule a Consultation

We would welcome the opportunity to meet with you and review your upcoming project. We provide FREE estimates for most of our services and have experienced and professional sales advisers to provide whole-home solutions.

Schedule a Sales Visit →


Looking for a Career Change?

KNA is rapidly growing and we are looking to fill several positions on our team. You’ll need a GREAT attitude, a willingness for continued education, the passion to grow. We offer competitive compensation and benefits.

Learn More About a Career with KNA →

Latest News & Information


Keyes North Atlantic, Inc. Earns Another Esteemed Angie’s List Super Service Award

Keyes North Atlantic, Inc. has again earned the service industry’s coveted Angie’s List Super Service Award for 2017, reflecting an... Read More →

Humidification of Residences in Cold Climates

Heat and Moisture Loss The air in our homes is in constant motion-moving between indoors and outdoors due to infiltration.... Read More →

Nest Thermostat Issue

This article on CBS Boston (boston.cbslocal.com) is reporting an issue with Nest Thermostats in extremely cold weather: CLICK HERE FOR... Read More →

Need Information Quick?

Schedule a Service Call

For emergency service please call our office directly and speak with a member from our service team: 617-964-6180

Schedule a Sales Visit

To schedule a sales consultation you may call our office or simply fill out our contact form and a member from our sales team will contact you back to set up a time that is convenient with your you to meet. Contact Form

Billing Questions

To pay or discuss a bill please contact our billing department at 617-964-6180

Project Design

To discuss a design project you may contact our engineering department or simply fill out our contact form and a member from our design team will contact you back to discuss your project. Contact Form

Energy Efficiency Products

Our industry is constantly improving product lines and efficiencies to help decrease fuel consumption and increase comfort, security and accessibility. Visit our Renewable Energy page to find out what new products are available.

Featured Projects


Call our office today or fill out our contact form for a FREE consultation.

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