O'Brien HVAC Service

O'Brien HVAC Services is a leading provider of heating, ventilation, and air conditioning (HVAC) services in Maryland, Washington D.C., and the surrounding areas. With over 30 years of experience, we have established a reputation for delivering high-quality HVAC services and installations, with a strong focus on customer satisfaction. Our mission is to be a trusted leader in providing high-quality HVAC/R Service and Installation. We value every customer and strive to provide the highest quality of service and to help provide a greater understanding of their heating and air conditioning system. We aim to accomplish this mission by ensuring attention to detail, timely repairs, and doing the job right the first time.

Our History

Bill O'Brien, principal and founder of O'Brien HVAC Services, has been a business owner for over 16 years. As a United States Navy Veteran and father of 4 young men, Bill has over 25 years of experience in many facets of the HVAC/R trade. He highly values every customer, both residential and commercial, and has a Masters License in the HVAC/R trade in the state of Maryland and the District of Columbia. Since starting his business, Bill has prided himself on performing every job with the highest integrity and has focused on providing honest, reliable, and affordable heating and cooling repair to local business and residential customers in the surrounding Maryland and DC area.

Our Services

At O'Brien HVAC Services, we provide a wide variety of residential and commercial HVAC services, including installation, repair, and maintenance. Our experienced technicians are equipped to handle any HVAC job, no matter how big or small. Whether you need a new air conditioning system installed, or your existing HVAC system repaired, we have the expertise and knowledge to get the job done right the first time.

Our featured HVAC services include:

• Residential HVAC services: We offer a wide range of residential HVAC services, including installation, repair, and maintenance of heating and cooling systems. Whether you need a new air conditioning system installed, or your existing HVAC system repaired, we have the expertise and knowledge to get the job done right.
• Commercial HVAC services: Our commercial HVAC services include installation, repair, and maintenance of heating and cooling systems for businesses of all sizes. We understand that a well-functioning HVAC system is critical to the success of your business, and we are committed to providing fast and reliable service to minimize downtime.
• Preventative maintenance: Regular maintenance is essential to the longevity and efficiency of your HVAC system. Our preventative maintenance services include regular inspections, cleaning, and tune-ups to keep your system running at peak performance.

Why Choose Us?

There are many reasons to choose O'Brien HVAC Services for your residential or commercial HVAC needs. We offer:

• Professional, licensed technicians: Our technicians are highly trained and experienced, and are committed to providing the highest level of service.
• Parts and workmanship guaranteed: We stand behind our work and guarantee all parts and labor.
• Prompt, reliable service: We understand that when your HVAC system is down, you need it fixed fast. That's why we offer prompt, reliable service, and are available 24/7 for emergency repairs.
• Price guarantee before we start any job: We believe in transparency and will provide a detailed estimate before starting any job, so you know exactly what to expect.
• All jobs done right the first time: We take pride in our work and are committed to doing the job right the first time.

Emergency Support

At O'Brien HVAC Services, we understand that HVAC emergencies can happen at any time, which is why we offer 24/7 emergency service. Whether you need us day or night, weekday or weekend, or even on a holiday, you can rest assured that one of our experienced and knowledgeable technicians will quickly respond to your call.

Service Areas

We proudly serve Anne Arundel County, including Annapolis, Arnold, Baltimore, Churchton, Crofton, Crownsville, Curtis Bay, Davidsonville, Deale, Edgewater, Fort George G. Meade, Friendship, Galesville, Gambrills, Gibson Island, Glen Burnie, Hanover, Harmans, Harwood, Laurel, Linthicum Heights, Lothian, Mayo, Millersville, Odenton, Pasadena, Riva, Severn, Severna Park, Shady Side, Tracys Landing, and West River. We also serve Howard County, including Annapolis Junction, Clarksville, Columbia, Cooksville, Dayton, DHS, Elkridge, Ellicott City, Fulton, Glenelg, Glenwood, Highland, Ilchester, Jessup, Laurel, Lisbon, North Laurel, Savage, Scaggsville, Simpsonville, West Friendship, Woodbine, and Woodstock. Additionally, we serve Prince George's County, including Accokeek, Andrews Air Force Base, Aquasco, Beltsville, Bladensburg, Bowie, Brandywine, Brentwood, Capitol Heights, Cheltenham, Clinton, College Park, District Heights, Fort Washington, Glenn Dale, Hillcrest Heights, Hyattsville, Upper Marlboro, and Waldorf.