755 Banfield Rd., Unit 102, Portsmouth, NH 03801

capstone mechanical

Your Trusted HVAC-R Advisor

We think of our customers as much more than simply “a company”—they’re real people with real needs, concerns and expectations. We treat every customer as a relationship—and we treat each relationship with courtesy, kindness, devotion and dedication.

Our Services

We make your Commercial HVAC-R needs our top priority.

Installation

Maintenance

Service

Refrigeration

The Capstone Team

 

An extraordinary group of hardworking, passionate individuals with unique, creative, and highly effective skills to solve problems and provide exceptional customer care.  

What Our Team Values

Safety Always

We are all safety advocates: for yourself, your team, your family, our customers, and your community. 

Customer Care

Provide an exceptional customer service experience by understanding our customers' unique needs and providing proactive guidance.

Holistic Wellness

We look to take care of the whole human and aim to offer resources that encompass all aspects of life. We provide access to resources to guide you and your families along your unique personal wellness journeys through a comprehensive wellness program. 

Capstone Culture

We are built on trusttransparency, personal development, and continuous improvement. We are a team that takes pride in our work, the relationships that we nurture, and building a sustainable future

Autonomy

Freedom and flexibility provide you with the autonomy to best support our customers at the point of service while sustaining personal well-being.

Building Community

 

Team members support local communities they are passionate about through various events and charities.  

Trusted By