Business Details
36 Years
experience
Emergency
services
Commercial HVAC Installation & Repair Experts
Founded in 1990, Diversified HVAC is a family-owned business specializing in commercial heating, ventilation, and air conditioning solutions across Maryland, Washington D.C., and Northern Virginia. Our team of trained technicians delivers exceptional service, repair, and installation for a wide range of commercial systems, including split AC units, rooftop package units, chillers, boilers, and refrigeration equipment. With over 30 years of experience, we prioritize integrity, community values, and technical expertise to meet the unique needs of property managers, schools, healthcare facilities, and industrial clients. Our 24/7 emergency services and comprehensive maintenance programs ensure uninterrupted comfort and operational efficiency. We combine cutting-edge technology with personalized service to create tailored solutions that enhance energy efficiency, indoor air quality, and system longevity.Our commitment to excellence has earned us long-term partnerships with clients who rely on our expertise for both routine maintenance and critical repairs. Headquartered in Gaithersburg, MD, we serve the DMV business corridor with prompt response times and industry-leading technical knowledge. From server room cooling to large-scale exhaust systems, our specialists address complex HVAC challenges with precision and reliability. Our culture of continuous improvement drives us to stay ahead of industry advancements while maintaining the personal touch that defines our family-owned business. Whether upgrading legacy systems or installing new infrastructure, we deliver results that protect investments and enhance occupant comfort.
Services
HVAC Service and Repair
Commercial HVAC Installation
HVAC Maintenance
Split AC Units
Rooftop Package Units
Chillers and Cooling Towers
Boilers
Water Source Heat Pumps
Refrigeration and Ice Machines
Server Room Cooling
Details
- Year established: 1990
Highlights and features
- We offer 30+ years of specialized commercial HVAC experience
- Our 24/7 emergency service ensures rapid response to critical issues
- We service all major commercial HVAC equipment manufacturers
- Comprehensive maintenance programs prevent system failures
- Local DMV expertise with regional code compliance knowledge
Services
HVAC Service and Repair
Our HVAC service and repair division addresses commercial heating and cooling system emergencies 24/7. Specializing in split AC units, rooftop packages, and industrial chillers, we minimize downtime with rapid diagnostics and replacement parts. With technicians trained on all major manufacturer equipment, we restore system functionality for offices, schools, and healthcare facilities while maintaining energy efficiency standards.
Commercial HVAC Installation
We design and implement custom HVAC solutions for new construction and system upgrades. Our installation services cover water source heat pumps, boiler systems, and server room cooling infrastructure. Using energy-efficient equipment and code-compliant methods, we ensure optimal performance for commercial spaces ranging from retail centers to data centers across the DMV region.
HVAC Maintenance
Our preventative maintenance programs include quarterly inspections and system tune-ups to extend equipment lifespan. Services cover boiler checks, chiller efficiency testing, and exhaust fan maintenance. With flexible agreements tailored to business needs, we help property managers avoid unexpected failures and maintain comfortable environments year-round.
Split AC Units
We install and service commercial ductless split systems ideal for space-constrained environments. These energy-efficient solutions provide zoned temperature control for office buildings, historic renovations, and retail spaces. Our technicians optimize system performance while ensuring proper refrigerant levels and component functionality for reliable year-round operation.
Server Room Cooling
Our server room cooling solutions maintain optimal temperatures for critical IT infrastructure. We implement dedicated cooling systems that operate 24/7 while monitoring humidity levels. With remote monitoring options and maintenance contracts, we protect data center investments and prevent costly downtime from equipment overheating in Maryland's climate.
Questions
What commercial HVAC services do you offer?
We provide installation, repair, and maintenance for split AC units, rooftop packages, chillers, boilers, refrigeration systems, server room cooling, and exhaust fans across Maryland, DC, and Northern Virginia.
Do you offer emergency HVAC services?
Yes, our 24/7 emergency service responds to critical HVAC failures with rapid diagnostics and repairs to minimize business disruption for commercial clients in the DMV area.
What industries do you serve?
We support schools, healthcare facilities, data centers, manufacturing plants, commercial kitchens, and property management companies with tailored HVAC solutions that meet specific operational requirements and regulatory standards.
Can you service all HVAC equipment brands?
Our technicians are trained to service and repair commercial HVAC equipment from all major manufacturers, ensuring comprehensive support regardless of your system's brand or age.
Do you provide preventative maintenance programs?
Yes, we offer customized maintenance agreements with quarterly inspections and priority service to prevent unexpected failures and extend equipment lifespan for commercial properties.
What areas do you service?
We serve the entire DMV region including Maryland, Washington D.C., and Northern Virginia with prompt response times for both planned service and emergency repairs.
Reviews (3)
Leslie D.
Jun 17, 2021
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This company was highly recommended by the general manager of our 170-unit apartment complex. Over the last five years, three of their technicians have come to our apartment to repair our central air conditioning system. They were all excellent. Given the configuration, there is not a lot of space in which to repair the A/C components. Nevertheless, they've managed to do it. They're conscientious, creative problem solvers.
Carla V.
Oct 13, 2017
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They are quick to respond but kept adding charges to my quote and changing stories each time I talked to them. Then they made it sound I was one making things up. After me deciding not to use them on the principal of them jacking up the price over $200 of what I originally quoted (and paying a $310 Service call fee) I decided to go elsewhere. I had my unit repaired for under $500. Diversified quoted me $1088 (on top of the $310 Service fee). Chalk it up to experience. I will be more vigilant in the future and NOT go with the company that can get to me the quickest!
Maria F.
Jun 22, 2011
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Technician was on time, polite, and quickly went to work replacing the motor on the outside coil. Not happy with the undisclosed billing charges, Fuel charge of $14.00 and Travel Charge of $52.50
