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

You need reliable heating and cooling to keep your employees, customers, and others on your property comfortable. So, when your heating or AC system struggles to meet expectations, you’ll want help from a reputable HVAC company in Fairfax. Choose the certified, licensed, and insured commercial HVAC specialists at Mechanical Engineering & Construction Corporation to keep your systems in exceptional condition.
For nearly 20 years, MEC2 has been committed to providing unparalleled commercial HVAC services local business owners can rely on every time. When you call us, you can be confident that your HVAC equipment will receive expert care.
Contact Mechanical Engineering & Construction Corp at (443) 637-8055 to schedule commercial HVAC services in Fairfax, VA.

Emergency Commercial HVAC Services

A moment without comfort can feel like an eternity. MEC2 offers emergency HVAC services to ensure you’ll never have to wait long for repair. We maintain a comprehensive component inventory and can quickly restore your system to operational condition. Our team will be ready to help, day or night.
 Contact Mechanical Engineering & Construction Corp at (443) 637-8055 to request emergency commercial HVAC services in Fairfax. 

Commercial Cooling Services

With temperatures climbing throughout the region, you need your cooling system to operate efficiently. We offer a full range of commercial cooling services, including:
  • Cooling system installation: We can install rooftop AC units, retrofit your existing system, and enhance your system’s energy efficiency and reliability.
  • Cooling system repair: Our thorough diagnostic procedures allow us to identify and quickly address any component failure.
  • Cooling system maintenance: Our preventative AC maintenance will improve energy efficiency, reliability, and system longevity.

Commercial Heating Services

Fairfax winters are often frigid, with temperatures commonly dipping below freezing. Let our technicians ensure your property stays warm. We offer a full range of commercial heating services, including:
  • Heating system installation: We can install furnaces, boilers, heat pumps, and more. We adhere to strict, code-compliant standards and guarantee the safety and efficiency of our services.
  • Heating system repair: We can accurately diagnose and promptly resolve any heating system failure. 
  • Heating system maintenance: Our maintenance services will keep your heating system in prime condition, reducing your long-term operational, maintenance, repair, and replacement costs. 

Systems We Service

We know every building is unique, and every business has specific needs. MEC2 offers custom services to meet your needs, budget, and more. We work closely with you to select the optimal system for your property and can retrofit the facility as required to accept your desired heat pump, rooftop air conditioner, dual-fuel system, etc.
Our commercial HVAC specialists service a broad range of systems, including: 
  • Central air conditioners
  • Ductless systems
  • Heat pumps
  • Furnaces
  • Dual-fuel systems

Indoor Air Quality Solutions

Good indoor air quality is imperative for the health and safety of everyone in your building. Our team can perform the duct cleaning and maintenance services required to keep the air in your facility as clean as possible. We can install, maintain, and repair ventilators, humidifiers, dehumidifiers, and air filtration systems to prevent mold and mildew growth, remove VOCs, and neutralize bacteria and viruses.

Why Choose Mechanical Engineering & Construction Corp?

MEC2 proudly serves the Northern Virginia business community. Whether you own a restaurant, manage an office building, or operate a healthcare facility, we can help ensure your building is always comfortable. We adhere to strict quality standards and guarantee our technicians will properly service your HVAC and indoor air quality systems. 
Contact Mechanical Engineering & Construction Corp at (443) 637-8055 for more information about our services. 




Million Annually



Full-Time Employees On Staff







in Charitable Giving in 2021 & 2022 Combined



Training Hours Per Year