Rated Highly on Google!

Your Trusted HVAC Experts

Name: Rocky HVAC
Address: 7939 Citadel Dr, Severn, MD, 21144, US
Telephone: (410) 446-2401

Comfort Solutions for Every Season

Schedule Now Call (410) 446-2401

Professional Heating and Cooling Services You Can Count On

Cooling

Heating

Heat Pumps

Commercial HVAC

Ductless Mini-Splits

Indoor Air Quality

Comprehensive Heating and Cooling Solutions for Your Property

At Rocky HVAC, we specialize in delivering complete heating, ventilation, and air conditioning services that keep your indoor environment comfortable throughout every season. Our extensive range of services encompasses everything from routine maintenance and emergency repairs to complete system installations and energy efficiency upgrades. We understand that every property has unique climate control needs, whether you’re managing a single-family home, operating a commercial facility, or overseeing a multi-unit residential complex. Our technicians bring years of hands-on experience and continuous training to every project, ensuring that your HVAC systems operate at peak performance while minimizing energy consumption and maximizing equipment lifespan.

The HVAC industry has evolved significantly over the past decade, with new technologies emerging that dramatically improve system efficiency and indoor air quality. Modern heating and cooling systems can achieve efficiency ratings exceeding 98% for furnaces and SEER2 ratings above 20 for air conditioning units, representing substantial improvements over equipment manufactured just ten years ago. We stay current with these technological advances and manufacturer specifications, allowing us to recommend and install systems that deliver optimal performance for your specific requirements. We service all makes and models.

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Happy Customers

Leave Review More Reviews

Santos ,Sandeeb, and Augustine were fabulous in installing my new system . They were very personable and answered all my questions, and I had a lot of questions. I would 100% recommend Rocky HVAC. The three installers came in and took the old equipment out and replaced it with the new one. They were ...continue reading

Lasean L

Google Review

We had a great experience with Rocky HVAC today. Our tech Carlos came out to service an older Bryant heater that stopped producing flames a few days prior. I was worried I'd have to replace the whole unit, but luckily we were able to extend the life a bit more! Appreciate the same-day timeliness and ...continue reading

Hunter C

Google Review

The Gentleman that came to my home was very professional. He did his best to get my hvac affordable for me. He showed up on time. Which I like, And was ready to find the best plan for me. I highly Recommend this company and Mr. Robert

Tarsha A

Google Review

I had a wonderful experience with Rocky HVAC who replaced my old HVAC system. Greg, who assisted with the quote, had everything thoroughly measured and asked thoughtful questions to ensure the new equipment balanced my budget, comfort, and efficiency needs. Upon approval, the installation was sche ...continue reading

Peter M

Google Review

The repairman was on time and very knowledgeable. Although, he wasn't able to repair it. He told us what steps to take next. So far, I'm very pleased with the service. The second service team that came and replaced the unit were very professional. Thank you Rocky HVAC.

Terita J

Google Review

I recently had an urgent issue with my HVAC system and turned to ROCKY HVAC for help. They were quick to respond, even late in the evening, demonstrating their commitment to customer care. Despite their busy schedule, they arrived on time and got straight to work. The technicians were highly profess ...continue reading

Kyle

Google Review

Amazing response time! I submitted an online request and received a call to schedule my appointment in about an hour. The company texts prior to arriving and showed up within the scheduled time frame. They provided the solution to get my AC working AND provided recommendation for my system going for ...continue reading

Jessica M

Google Review

I recently had an exceptional experience with ROCKY HVAC. When an emergency arose, they responded swiftly and efficiently, arriving exactly when they said they would. Despite their busy schedule, they made time to come out late and solved the issue instantly. The team was not only professional and k ...continue reading

Bhavya B

Google Review

Good price, great service, answered questions promptly, then showed up on time to install, worked well into the night to finish the job, then swept the boiler room and vacuumed the basement. Very pleased so far and hope this level of service continues...

Tommy A

Google Review

Rocky HVAC has been taking care of my two properties for the last 2 years. Recently, I had couple of issues and Rocky made fixed them on such short notice. My thermostat went defective and AC Contactor went defective. Thank you for diagnosing both issues and fixing them within hours. I highly recomm ...continue reading

Ali I

Google Review

Installation Services and System Upgrades

When you need new equipment installation, we provide free estimates that include thorough evaluations of your current setup and detailed recommendations for replacement options. Our installation process begins with a comprehensive assessment of your property’s square footage, insulation quality, window placement, and existing ductwork configuration. We calculate precise heating and cooling loads using industry-standard Manual J calculations, ensuring that your new system is neither undersized nor oversized for your space. Proper sizing is critical because an oversized system cycles on and off too frequently, reducing efficiency and creating uncomfortable temperature swings, while an undersized system runs continuously without adequately heating or cooling your space.

We install various types of heating systems including high-efficiency gas furnaces, electric heat pumps, dual-fuel systems, and boiler systems for radiant heat applications. Each heating technology offers distinct advantages depending on your location’s climate patterns and your property’s infrastructure. For cooling solutions, we work with central air conditioning systems, ductless mini-split units, and heat pump systems that provide both heating and cooling capabilities. Our installation teams follow strict manufacturer guidelines and building codes, ensuring proper refrigerant charging, electrical connections, drainage setup, and ventilation requirements are met or exceeded. Though we specialize in working with brands like Rheem, Carrier, and Bryant, we’re proud to service all makes and models.

Schedule Now Call (410) 446-2401

Maintenance Programs and Repair Services

Regular maintenance represents one of the most cost-effective investments you can make in your HVAC equipment, typically extending system lifespan by five to seven years while reducing energy costs by up to 30%. Our maintenance programs include comprehensive inspections, cleaning of critical components, lubrication of moving parts, and calibration of controls and thermostats. During these visits, we check refrigerant levels, test electrical connections, measure airflow rates, and inspect heat exchangers for cracks or corrosion that could lead to carbon monoxide leaks.

Understanding that HVAC emergencies don’t follow business hours, we offer Emergency Service with After-Hours Call Service to address urgent heating and cooling failures whenever they occur. Common emergency situations include complete system failures during extreme weather, refrigerant leaks, electrical component failures, and furnace issues that pose safety concerns. Our rapid response team arrives equipped with commonly needed parts and diagnostic tools to quickly identify problems and implement solutions that restore your comfort and safety.

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Proudly Partnered With Industry-Leading Brands

At Rocky HVAC, we service all makes and models, so no matter what system you have, our technicians have the knowledge and experience to get the job done right. We’re proud to be a Rheem and Ruud Pro Partner as well as an authorized Carrier and Bryant Dealer — partnerships that reflect our commitment to quality equipment, ongoing training, and the highest standards of installation and service. Whether you’re looking to repair your existing system or upgrade to a top-of-the-line unit from one of these trusted brands, Rocky HVAC has you covered.

Schedule Now Call (410) 446-2401

Trusted Commercial HVAC Solutions

Rocky HVAC understands that commercial properties have unique heating and cooling demands that require specialized expertise and rapid response times. We provide comprehensive commercial services for office buildings, retail spaces, restaurants, multi-unit residential complexes, and industrial facilities throughout the area. Our commercial division offers planned maintenance programs designed to minimize downtime, extend equipment lifespan, and reduce operational costs through proactive system monitoring and scheduled service visits. From rooftop unit installations and boiler system repairs to complete HVAC retrofits, our experienced technicians work efficiently to keep your business running smoothly. We understand the critical importance of maintaining comfortable environments for your employees and customers, which is why we offer flexible scheduling, after-hours service, and priority emergency response for our commercial clients. Partner with Rocky HVAC for reliable commercial solutions that protect your investment and support your business operations year-round.

Indoor Air Quality and Energy Efficiency Solutions

Beyond temperature control, we focus on improving indoor air quality through advanced filtration systems, humidity control, and ventilation improvements. Poor indoor air quality affects approximately 50% of buildings in the United States, contributing to respiratory issues, allergies, and reduced productivity in commercial settings. We install and service:

High-efficiency particulate air (HEPA) filtration systems that remove 99.97% of airborne particles
Ultraviolet germicidal lights that neutralize bacteria, viruses, and mold spores
Whole-house humidifiers and dehumidifiers that maintain optimal humidity levels between 30% and 50%

Throughout the Severn, Alexandria, Stuart & surrounding areas, property owners face unique climate challenges that require adaptable HVAC solutions. We understand the importance of personalized service, attention to detail, and open communication with our clients. With Rocky HVAC, you can count on transparent pricing, honest recommendations, and a dedicated team that is always ready to go the extra mile for your HVAC needs. Our commitment extends beyond simple equipment installation to encompass complete comfort solutions that enhance your property’s value while reducing operational costs through improved efficiency and reliability.

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