Diversified HVAC Services
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About Diversified HVAC Services
Diversified HVAC Services operates from 7615-L Rickenbacker Drive in Gaithersburg, Maryland, delivering commercial heating and air conditioning solutions throughout the Maryland corridor and into Northern Virginia. With 12 verified customer reviews aggregated online, the company holds a 2.8-star average rating. This family-owned enterprise has maintained operations since 1990, focusing exclusively on commercial rather than residential projects. Service hours run Monday through Friday from 7:30 AM to 5 PM, with 24/7 emergency availability for existing clientele.
The company specializes in several commercial equipment categories including rooftop package units, chillers and cooling towers, boilers, water source heat pumps, and refrigeration systems. Their maintenance division offers spring AC startup and fall heat startup inspections, along with discounted emergency service rates. Diversified HVAC also addresses indoor air quality concerns for diverse commercial properties ranging from schools to medical facilities and senior centers, promoting air purification solutions as value-added upgrades for building operators.
What Customers Say
Of four detailed negative reviews, three cite billing disputes including unexpected weekend surcharges and credit card processing fees, while one documents improper installation requiring ten return visits. Positive feedback mentions individual technicians by name, though critical reviews characterize overall professionalism as lacking.
Working Hours
| SundayToday | Closed |
| Monday | 7:30 AM–5 PM |
| Tuesday | 7:30 AM–5 PM |
| Wednesday | 7:30 AM–5 PM |
| Thursday | 7:30 AM–5 PM |
| Friday | 7:30 AM–5 PM |
| Saturday | Closed |
Services
Commercial HVAC Repair & Service
Diagnostic and repair services for commercial heating and cooling systems including split AC units and rooftop packages.
HVAC Installation
Full-system installation for new construction or equipment replacement projects across commercial properties.
Chiller & Cooling Tower Service
Specialized maintenance and repair for commercial chiller systems and cooling tower equipment.
Boiler Systems
Installation, repair, and maintenance services for commercial boiler applications.
Refrigeration Equipment
Service for commercial refrigeration units including ice machines and cold storage systems.
Indoor Air Quality Solutions
Air purification and purification system installation for commercial buildings.
Preventive Maintenance Programs
Seasonal startup inspections for heating and cooling systems with discounted emergency rates.