Four Decades of
Consistent Excellence
Calvert Controls is in our fourth decade as a leading provider of commercial mechanical services in Maryland, Virginia and Washington, D.C. We’ve lasted this long because, when we began in 1986, we set an extraordinarily high standard for our team and the work that we do—and we hold ourselves to that standard on every job, every day.
So whether your company chooses Calvert Controls for heating, ventilation, air conditioning, refrigeration services, building automation or all of the above, you know you can expect the work done right.
We’re committed to maintaining a legacy of consistent excellence in craftsmanship and service. We achieve these goals because our team is dedicated to excellence in all they do.

Our Vision & Values
Our Purpose
We consistently deliver for our customers, colleagues, and community in a distinguished manner. By continuously developing the best in our team, we bring it, we earn it, and we are proud of our contributions in building a worthy legacy of consistent excellence in craftsmanship and service.
Our Core Values
We Have Integrity
We don’t lie, cheat or steal from each other or our customers. This is #1 for a reason. We lead and engage with transparency in every interaction.
We Are Loyal
We are relentlessly loyal to our team and have each other’s back in all circumstances!
We Work Hard
Work ethic is baked into our company DNA. We notice and reject team members who do not take pride in working hard. We constantly push each other to get better every day.
We Care
We are eager to help others. We maintain attention to detail and consistency. We protect our brand and take ownership of issues. We hold each other accountable to our Core Values!
We Are at Our Best in the “Last Hour”
We finish strong and sprint to the end every day!