When your business depends on reliable climate control, Continental Services delivers professional commercial rooftop unit (RTU) services throughout Prince Frederick, MD and Southern Maryland. With 40+ years of commercial HVAC experience, our family-owned company provides installation, repair, and preventive maintenance that keeps your business comfortable and operating efficiently.
Commercial rooftop units handle the demanding requirements of business environments—extended operating hours, larger spaces, and the critical need for uninterrupted climate control. Our technicians understand these challenges and deliver reliable RTU services that protect your investment while maintaining the comfortable environment your employees and customers expect.
Whether you're installing RTUs for a new building, need urgent repair service to restore cooling or heating, or want preventive maintenance that keeps your system running reliably, our commercial team brings the expertise and responsiveness your business deserves.
Installing commercial rooftop units requires technical expertise, precise engineering calculations, and understanding of commercial building codes and requirements. Continental Services handles every aspect of RTU installation for Prince Frederick area businesses, from initial system design through final commissioning and testing.
Accurate sizing based on your building's square footage, insulation, occupancy, and specific cooling/heating demands
Recommending the right RTU capacity, efficiency level, and features for your business needs and budget
Verifying roof load capacity and preparing proper equipment supports
Coordinating electrical requirements and ensuring proper power supply to rooftop equipment
Connecting RTUs to existing ductwork or designing new distribution systems for optimal airflow
Installing and programming thermostats, zone controls, and building automation integration
Precise refrigerant charging for optimal cooling performance and efficiency
Thorough testing of all functions and providing operation manuals and staff training
The quality of installation directly impacts your rooftop unit's performance, efficiency, and lifespan. Improperly sized equipment, incorrect refrigerant charge, inadequate airflow, or poor roof mounting can lead to premature equipment failure, high energy bills, and uncomfortable conditions that affect your business.
Our installation technicians follow manufacturer specifications exactly, use proper mounting techniques that prevent roof leaks, install weatherproof electrical connections, and test every system function before considering the job complete. This attention to detail ensures your RTU delivers the reliable performance and long service life your business needs.
Rooftop unit failures can disrupt your business operations, create uncomfortable conditions for employees and customers, and potentially damage inventory or equipment sensitive to temperature. Continental Services provides fast, expert commercial RTU repair service throughout Southern Maryland, diagnosing problems accurately and restoring your climate control quickly.
Our commercial service trucks carry extensive parts inventory, allowing us to complete most repairs during the first visit. When major component replacement is required, we work quickly to source parts and minimize your system downtime.
Addressing failed compressors, electrical issues, or refrigerant-related damage that stops cooling
Repairing electric heat strips or gas heat exchangers that fail to provide adequate heating
Fixing supply fan problems, belt failures, or motor malfunctions that reduce airflow
Locating and repairing leaks, recovering refrigerant, and recharging systems to proper levels
Diagnosing and repairing thermostat problems, sensor failures, or control board malfunctions
Clearing blocked drains and repairing drainage systems that cause water damage
HVAC emergencies don't respect business hours. When your rooftop unit fails during peak summer cooling season or stops providing heat during winter, we respond quickly to restore your climate control. Our emergency service prioritizes getting your system operational, then follows up with comprehensive repairs to prevent recurring problems.
We understand the cost of business interruption and work efficiently to minimize downtime. Whether it's a retail space losing customers due to uncomfortable conditions, an office where productivity suffers, or a facility where temperature control is critical for operations, our team brings the urgency your situation demands.
Preventive maintenance is the most cost-effective way to protect your commercial rooftop unit investment. Regular professional service prevents unexpected breakdowns, maintains efficiency, extends equipment lifespan, and keeps your manufacturer's warranty valid—all while reducing your total cost of ownership.
Cooling System Maintenance—condenser coil cleaning, refrigerant verification, and leak detection
Heating System Maintenance—heat exchanger inspection, burner cleaning, and safety control testing
Airflow & Distribution—blower motor inspection, belt maintenance, and airflow measurement
Electrical Components—contactor inspection, capacitor testing, and wiring connection tightening
We develop maintenance programs tailored to your specific needs, equipment type, operating hours, and budget. Whether you have a single rooftop unit or multiple RTUs serving different zones, we'll create a schedule that keeps all your equipment operating reliably.
Our maintenance agreements provide:
check_circle Priority scheduling
check_circle Discounted service rates
check_circle Detailed inspection reports
check_circle Comprehensive service records
check_circle Performance trend tracking
check_circle Efficiency improvement recommendations
40+ Years Commercial HVAC Experience. All Brands Serviced.
Continental Services services all major commercial rooftop unit brands, bringing 40+ years of technical expertise to equipment from every manufacturer. Whether you have Trane, Carrier, Lennox, York, Rheem, Goodman, or any other brand, our technicians have the knowledge and experience to keep your commercial HVAC system operating properly.
We stay current with changing technology and attend ongoing training on new equipment and diagnostic techniques. This commitment to education ensures our team can service the latest high-efficiency RTUs as well as older legacy equipment that still has useful service life remaining.
Trane—Commercial RTU expertise and service
Carrier—Complete commercial rooftop unit service
Lennox—Commercial HVAC solutions and maintenance
York—Johnson Controls commercial equipment
Rheem—Commercial rooftop unit service
Goodman—Commercial HVAC repair and maintenance
American Standard—Commercial RTU expertise
+ More—All major commercial RTU brands
Commercial rooftop units operate many more hours annually than residential systems, making energy efficiency a critical factor in your total operating costs. Continental Services helps Southern Maryland businesses reduce energy consumption while maintaining comfortable conditions through equipment upgrades, maintenance optimization, and smart control solutions.
High-Efficiency RTU Replacement—modern units offer significantly better efficiency than equipment 10-15 years old
Programmable Controls—automated temperature setbacks during unoccupied hours reduce unnecessary operation
Economizer Optimization—properly functioning economizers use free outdoor air cooling when conditions permit
Preventive Maintenance—well-maintained equipment operates 15-25% more efficiently than neglected systems
We can evaluate your current RTU performance, identify efficiency improvement opportunities, and provide recommendations with projected energy savings. Many upgrades qualify for utility rebates that reduce upfront costs, and energy savings often provide attractive payback periods.
Family-Owned Service You Can Trust
Continental Services proudly serves seven counties across Southern Maryland, bringing four decades of HVAC and geothermal expertise to both residential and commercial customers. No matter where you're located in our service area, you'll receive the same family-owned commitment to quality, honesty, and exceptional service.
location_on Leonardtown
location_on California
Anne Arundel County
Montgomery County
St. Mary's County
Calvert County
Prince George's County
Charles County
Queen Anne's County
We know Southern Maryland—its climate, its communities, and the specific HVAC challenges that homes in this region face. From dealing with high humidity near the Chesapeake Bay to sizing systems properly for the temperature swings between summer and winter, our local expertise ensures you get solutions designed specifically for our area.
call 410-535-0091 See All Service Areas
Continental Services brings 40+ years of HVAC expertise to commercial clients throughout Southern Maryland, delivering professional rooftop unit installation, repair, and maintenance that keeps your business comfortable and operating efficiently. As a family-owned company, we extend the same commitment to quality and customer service to our commercial clients that has made us a trusted residential HVAC provider.
Don't let HVAC problems disrupt your business operations or drive up energy costs. Experience the difference that four decades of commercial HVAC expertise makes.
Four decades installing and servicing commercial HVAC systems throughout Southern Maryland
Installation, repair, emergency service, and preventive maintenance programs
Expert service for RTUs from every major manufacturer
Flexible scheduling that works around your business operations
Solutions that reduce operating costs while maintaining comfort
Priority service when your business climate control fails
Preventive care plans tailored to your specific needs
The same honest, reliable service that built our residential reputation