HVAC in Middletown, MD
Middletown's Five-Star HVAC Services Company
HVAC issues can be incredibly frustrating—furnaces giving out in the middle of a freezing night or your AC failing during a blazing heatwave. The struggle doesn’t stop there. Finding a reliable technician can feel impossible with delays, no-shows, or quick fixes that don’t last. At Smock HVAC, we’ve built our reputation on solving these problems. We show up on time, deliver dependable solutions, and ensure your comfort is restored quickly and done right the first time.
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NATE-Certified Technicians
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1,200 5-Star Reviews
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Same Day Service



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High-Quality Materials for Unmatched Performance
Your home deserves the best, which is why we build every HVAC system with premium materials from trusted brands like Trane, Carrier, American Standard, and Mitsubishi. These top-tier components are known for their exceptional durability and energy efficiency, ensuring systems that perform reliably for years to come. By prioritizing high-quality materials, we create HVAC solutions that not only deliver superior comfort but also stand the test of time, giving you peace of mind.

Our Comprehensive Services

Hear From Our Happy Customers
Our Simple 4-Step Process
Step 1
Let’s Chat!
Fill out our online form or give us a call to get started.
Step 2
Schedule Estimate
We’ll find a convenient time that works with your schedule.
Step 3
On-Site Inspection
Our thorough inspections find the root of your issue.
Step 4
Price on the Spot
You’ll get a detailed written estimate right away. Then we get to work on your project!
Certified Team Dedicated to HVAC Maintenance Excellence
Our certified team is at the heart of everything we do, bringing skill, experience, and a true appreciation for the importance of HVAC maintenance. We know that proper care keeps systems efficient, reliable, and long-lasting. From routine maintenance to expert repairs, we approach every project with precision and dedication. Trust our team to handle your HVAC needs with professionalism and a passion for keeping your system running at its best.

Committed to Our Middletown, MD Community
At Smock HVAC, our dedication to the Middletown community runs deep—it’s more than just where we do business, it’s home. As a family-owned company, we share the same unpredictable weather and challenges as our neighbors, giving us a unique understanding of what local homeowners need. With decades of experience and tailored HVAC solutions, we’re here to provide reliable, personalized service to keep your home comfortable through every season.


Serving Frederick and the Surrounding Areas
Explore the variety of areas our company serves! Whether it’s rural homes or suburban neighborhoods, we deliver high-quality HVAC solutions designed to fit the specific needs of your home.
- Frederick
- New Market
- Mt. Airy
- Germantown
- Gaithersburg
- Monrovia
- Walkersville
- Damascus
- Middletown
- Ijamsville