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25 Years
experience
Emergency
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Expert Commercial HVAC Solutions in Upper Marlboro, MD
Established in 2001, Horizon Mechanical has built a reputation as a trusted provider of commercial HVAC solutions. Our factory-certified technicians deliver comprehensive services including installation, maintenance, retrofits, and emergency repairs for heating, ventilation, and air conditioning systems. Serving the Washington D.C., Baltimore, and Northern Virginia regions, we specialize in working with leading manufacturers like Carrier, Stulz, and Trane to ensure optimal system performance.

With over two decades of experience, we combine technical expertise with a proactive approach to energy efficiency, serving diverse clients from airports to medical facilities. Our commitment to safety compliance and data-driven diagnostics positions us as a reliable partner for commercial HVAC needs.
Services
HVAC Installation Chiller Retrofits Boiler Repairs Building Automation Emergency Services Energy Management Equipment Maintenance Refrigerant Conversions System Diagnostics Controls Upgrades
Details
  • Year established: 2001
Highlights and features
  • We have over 20 years of experience in commercial HVAC services since 2001
  • Our technicians are factory-certified by major HVAC manufacturers
  • We provide 24/7 emergency service for critical system failures
  • We specialize in energy-efficient retrofits that reduce operating costs
  • Our team holds expertise in complex systems for mission-critical facilities
Services
HVAC Installation
We specialize in complete HVAC system installations for commercial properties. Our certified technicians handle all equipment types including centrifugal chillers, variable frequency drives, and building automation systems. Each installation follows manufacturer specifications and includes comprehensive startup testing to ensure optimal performance. Our team coordinates with building engineers to integrate new systems with existing infrastructure while maintaining compliance with all safety regulations.
Chiller Retrofits
Our chiller retrofit services modernize aging systems to improve energy efficiency and reliability. We perform detailed system analyses to identify upgrade opportunities, including component replacements and control system modernization. Projects include retrofitting Tork, Trane, and McQuay chillers with energy-efficient components while maintaining mechanical code compliance. Each retrofit includes performance testing and energy usage reporting to document efficiency improvements.
Emergency Repairs
We provide 24/7 emergency repair services for critical HVAC system failures. Our factory-certified technicians respond promptly to service calls for commercial clients, addressing issues with compressors, boilers, and cooling towers. Emergency services include diagnostics, component repairs, and system restart procedures. Our team maintains safety protocols while minimizing downtime for mission-critical facilities like hospitals and data centers.
Building Automation
We install and maintain advanced building automation systems for HVAC management. Our services include Trane Tracer system installations and Orion Control System implementations. These systems optimize energy usage through precise temperature control and remote monitoring capabilities. We integrate automation solutions with existing building management platforms to provide real-time performance data and mobile alert notifications for facility managers.
Preventative Maintenance
Our preventative maintenance programs ensure long-term HVAC system reliability. Services include quarterly equipment inspections, oil analysis, refrigerant level checks, and component cleaning. We use predictive analysis tools like digital anemometers and meggers to identify potential issues before failures occur. Maintenance agreements are customized to each facility's needs, with detailed reporting on system performance and recommended improvements.
Questions
What commercial HVAC services do you offer?
We provide installation, maintenance, retrofits, and emergency repairs for commercial HVAC systems including chillers, boilers, and building automation systems.
Are your technicians certified?
Yes, our technicians are factory-certified by major HVAC manufacturers including Carrier, Stulz, and Trane for specialized equipment servicing.
Do you offer emergency HVAC services?
We provide 24/7 emergency repair services for commercial clients with critical system failures in the Washington D.C. metropolitan area.
What areas do you serve?
We serve commercial clients in Washington D.C., Baltimore, Northern Virginia, and surrounding areas with comprehensive HVAC solutions.
Can you retrofit existing HVAC systems?
Yes, we specialize in chiller and boiler retrofits to improve energy efficiency while maintaining mechanical code compliance for commercial properties.
How do you ensure system reliability?
We use predictive analysis tools and preventative maintenance programs to identify potential issues before they cause system failures.
Reviews (1)
Josh Brown
Nov 28, 2020 Report
Ural is a very detailed mechanic that has cured many issues stemming from failed construction projects at my place of business. If you're tired of wasting time with the usual big name contracting companies and would like to have an issue addressed on the first attempt, call Horizon Mechanical. Services: Heating system maintenance, HVAC duct & vent repair, Repair HVAC, Heating system repair, HVAC system maintenance