Expert HVAC Services for Optimal Building Performance, Efficiency & Cost Management

You depend on your HVAC system to keep your customers and employees comfortable. When something goes wrong, you’ll want top-tier service from a reputable HVAC company in Alexandria.
At Mechanical Engineering & Construction Corporation, we use our expertise to deliver innovative designs using the latest technologies for our clients. Our solutions will optimize energy efficiency, minimize repairs, and prolong system life span, which translates to considerable cost savings for your company.
Contact MEC² at (443) 637-8055 for more about our company and our HVAC services in Maryland, Virginia, and Washington, DC.

Emergency HVAC Services

You can’t afford for your HVAC systems to fail. Our emergency HVAC technicians are ready to answer your call, day or night, holiday or weekend. Whether it’s the dead of winter or the middle of summer, we maintain a comprehensive component inventory and can resolve the problem quickly and effectively.
Contact MEC² at (443) 637-8055 to request emergency HVAC services in Maryland, Virginia, or Washington, DC.

Heating & Air Conditioning Services

Our cooling services are tailored to our clients’ needs in Northern Virginia, Maryland, and Washington, DC. We understand the unique challenges of our regional climate and can help our clients stay comfortable no matter the temperature outside.
  • HVAC repair: Our commercial HVAC team consists of certified, licensed, and insured experts who will expedite your system’s repairs. We use state-of-the-art technology to diagnose and monitor the effectiveness of our repairs.
  • HVAC installation: Our commercial HVAC specialists can design and install superior solutions for your comfort, safety, and budget. We work closely with our clients to create a comfortable environment in your office, school, manufacturing facility, and more.
  • HVAC maintenance: Our commercial HVAC team will keep your systems in prime condition. Our preventative maintenance services will optimize your system’s performance and ensure exceptional energy efficiency.

Indoor Air Quality Services

Our indoor air quality services are customized to meet the specific needs of your building. We can keep the air in your hospital, office, school, residential building, etc., fresh and healthy.
We can clean your ductwork, install and maintain ventilation systems, install and maintain humidifiers and dehumidifiers, and position and maintain air filtration systems.

Systems We Service

We can service a full range of heating and cooling systems. We maintain a comprehensive inventory, allowing us to deliver fast and effective solutions. 

  • Air conditioners: We’ll ensure your air conditioner creates optimal comfort during the hottest days of the year.
  • Ductless systems: Our technicians can help create zoned systems and more to optimize energy efficiency and system performance.
  • Heat pumps: Our HVAC specialists can install, maintain, and repair the heat pumps that keep your building cool in the summer and warm throughout winter.
  • Furnaces: We’ll keep your furnace system in prime condition, so it delivers superior performance and optimal efficiency.
  • Dual fuel systems: Our dual fuel systems help you save energy and reduce utility costs. 

Choose Mechanical Engineering & Construction Corporation

MEC² succeeds at what we do because of the efforts of our dedicated team of professionals and experts. Our services are tailored to meet the specific needs of our clients, and we can deliver superior solutions to the most challenging problems.

When you want exceptional service and dependable results, you can always depend on our team to exceed your expectations.

Contact MEC2 at (443) 637-8055 to learn more about our award-winning services and discuss your needs with our professionals.




Million Annually



Full-Time Employees On Staff







in Charitable Giving in 2021 & 2022 Combined



Training Hours Per Year