Premier HVAC Services in Parkville, MD

Discover why Parkville residents trust SM Mechanical LLC for their HVAC needs. Our certified technicians provide expert installations, repairs, and maintenance to keep your home or business comfortable year-round.

HVAC Fun Facts

Expert Innovation: Just like our dedication to top-tier service, Willis Carrier’s invention of the modern air conditioning system in 1902 revolutionized the industry, making modern AC possible.
Life-Saving Comfort: HVAC systems not only keep you comfortable but also prevent heat-related illnesses and deaths during extreme weather, ensuring your safety and well-being.
Eco-Friendly Solutions: Modern HVAC systems are designed to be energy-efficient, saving you money while reducing your carbon footprint—a win-win for your wallet and the planet.

Contact Us Today

Experience the best in HVAC services with SM Mechanical LLC. Schedule your appointment now. Call us at (410) 559-9514 or fill out our online form to get started. Let us keep your home or business comfortable, efficient, and safe—all year long!

Contact SM Mechanical LLC Bel Air

GET A FREE ESTIMATE It doesn’t matter if the job is big or small, you can count on our talented team of specialists to get the job done for you. Known for our integrity and complete professionalism, we will treat your home like it was our own. Call us today at for a free estimate or to schedule a service appointment. You can also fill out our online contact form to reach us. We look forward to working with you!

What Our Customers Say

I was referred for a humidifier and heating / AC service by a local real estate investor and fellow military veteran in Baltimore. Very impressed from call #1. Just as my referral said, SM mechanical is the "best of the best!"

Wyatt E.Baltimore, Md

Very personable and honest. Thoroughly explained every aspect of the job.

Kerry C.Churchville, MD

Friendly, fast, effective, and a great price. I couldn’t be happier.

Virginia C.Catonsville, MD

I appreciate the straight forward and honest approach that SM Mechanical took when explaining the work that needed to be done. I would definitely hired them again. It's nice to feel you have had your best interests kept in mind when you have work done in your home. Thanks again for wonderful customer service!

Tiffany T.Abingdon, MD

Very knowledgeable, fixed my problem quickly and at a fair price.

Ralph G.Halethorpe, MD

High quality equipment installed at competitive price. Made recommendations for getting most out of unit.

Lawrence T.Dundalk, MD

Next day service. The tech explain about the AC equipment and explained about the problem and how to fix it and what to do in the future. great customer service

Elizabeth G.Gwynn Oak, MD

Did not over-charge. Very informative and helpful.

Lana R.Havre De Grace, MD

Sean explained every detail of the job and took time to give me suggestions about placement. The duct installers were fast, efficient, competent and very polite. They were also very respectful of my time limitations

Maureen T.Bel Air, MD

Very knowledgeable. Determined the problem quickly and repaired. Didn't try to upsale or recommend replacement like a previous contractor. Would use again.

John H.Baltimore, MD

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