
Furnace Maintenance
Regular Care For Your Furnace System
Tired of spending money on costly furnace repairs? What if you could get ahead of the problem? At Smock HVAC, we offer maintenance services specifically designed to increase the longevity and reliability of your furnace system.

Over 1,000+ Google Reviews️
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Highly Trained Technicians
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Trane Comfort Specialist
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100% Satisfaction Guarantee
Join Our Comfort Maintenance Savings Plan
Taking care of your furnace shouldn’t feel like a hassle. Signing up for our Comfort Plan Maintenance Savings Plan is a surefire way to safeguard your comfort, keep your energy bills under control and reduce your carbon footprint. Eric Smock Heating & Air Conditioning, Inc. provides our maintenance customers these benefits:
- 15% discount on all repairs
- Priority Service
- 5 Year Service Warranty
- No Overtime Fees
Reach Out For an Appointment Today!
The technicians, Mitchell and Anthony, who installed our new system were on time and very personable. They protected our carpet and were careful about bringing in the new equipment. After a full day's work removing our old HVAC and installing the new system, they taught us about the functioning of the new unit.
We highly recommend this reliable and trustworthy company. Thanks for your service!
We hired Smock to follow on the terrible errors of a very large, well-known commercial H/AC company (with the initials C, M) that left us in the midst of the worst July heat with a flooded upstairs from a nonfunctioning attic AC unit—which, for many years, has been under a so-called Golden maintenance agreement that supposedly guarantees the best in maintenance and first in response, especially in urgent, highly worrisome, and even dangerous circumstances, such as ours proved to be.
However, we had the great good fortune to decide on Smock to install a complete Trane system in the attic, outside, and in the basement. Mario, James, and their two fellow specialists brought us aid and relief. On an exceptionally hot summer day, they labored nonstop, but always with spectacular care. Their time in our home was spent diligently and meant, obviously, to give us a thorough, first-rate equipment installation. They delivered the highest caliber of skill and knowledge. They went about their work with obvious education, surety, experience, and deliberation. I was especially impressed with their devotion to detail and, too, their very helpful communication about the three, broken, defective units as well as the superior Trane replacements.
When thinking about 4 installers of large equipment such as furnaces and air conditioners you can be apprehensive about your home and its fittings and furnishings. But these specialists were careful with all—from the on-time arrival, the thoroughly protected pad-covered rooms and stairway floors to the comprehensive clean up and then a welcome check list before the last of the four fully equipped, immaculate Smock trucks pulled out of the drive. But before leave-taking, w/o our even thinking of it, these technicians voluntarily put up both replacement filters plus the easy, plug-in smoke detectors Montgomery County now requires. All of the above and yet most amazing, Mario took it upon himself, after completing his furnace install, to take down the four, out-of/reach (for us) overhead basement lights that had been malfunctioning for months with new, better light fixtures and brighter bulbs! My late day discovery of this dangerous problem (dark basement) now fixed made me happy beyond words.
We signed up with our new H/AC company for a pair of very reasonably-priced annual maintenance programs, to go along side the convenient 18-month payment plan for the installed equipment. Smock made for an experience that was smooth and comforting from start (the proposal) with Scott Smock to the physical install and the office paperwork completion. In summary, when the installers went to their own homes after a demanding work day, we remarked then and since that Smock fully delivers on putting first their customers’ expectations and requirements. We think you will find that this company makes for, truly guarantees you’ll have NO WORRIES.
1 year check-up...
Unit still works great! Brian the service technician was very friendly, extremely knowledgeable, concerned and very careful with our property. They arrived on time and were as professional as anyone could. 100% recommend Smock Heating and Air.
No one wants to be the one finding the AC out on the hottest day of the year… Don’t be that guy!
Maintenance Savings Plan
Why Sign Up For Our Comfort Plan?
By joining our Comfort Maintenance Savings Plan, you’ll extend the life of your furnace, prevent costly breakdowns, and ensure your system runs at peak efficiency year-round. Regular maintenance helps improve indoor air quality, keeping your home healthier and more comfortable. Plus, with fewer unexpected repairs, you’ll enjoy greater peace of mind and avoid the stress of last-minute service calls!

Customer Care Done Right
When it comes to furnace maintenance, trusting a professional team like Smock HVAC is essential. With years of experience and a dedication to excellence, our skilled technicians ensure a smooth and stress-free replacement process. Our expertise allows us to handle every aspect of furnace maintenance with precision, ensuring optimal performance and energy efficiency. We prioritize safety, adhering to industry standards and regulations to guarantee a secure and reliable installation.
Serving Frederick County Residents Since 2005
$89
for an AC Inspection
*Cost is per Unit. Cannot be combined with any other offer or coupon. Additional restrictions may apply. Call Smock Heating & Air for complete details.
$25 Off
Your Next Repair
*Restrictions may apply. Call Smock Heating & Air Conditioning, Inc. for complete details.
$2,000
in Rebates on New HVAC System
*On qualifying equipment. Other restrictions may apply. Utility Rebates up to $1500. In-house rebates up to $500. Call us for complete details.
FREE
2nd Opinion on Major HVAC Repairs
*Restrictions may apply. Call Smock Heating & Air Conditioning for complete details.
Current Specials
Year Round Deals For Your Whole Home
A broken HVAC system shouldn’t break your budget! We offer a rotating selection of monthly deals designed to save you money, time, and stress. Choose the team that puts your needs first, every time!
FAQs
Common Client Questions
What are some of the benefits of becoming a Comfort Plan Member?
In addition to regular maintenance, you can enjoy 15% off of all repair services, and no charge for overtime services.
Do you offer a maintenance program?
Yes. Our Comfort Plan provides you with year long maintenance, discounts, and more.
How long will my repairs take?
Most of our furnace repairs can be completed in a single day.
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