Save Money & Time With Our Plumbing Services Maintenance Plan
Save More On Your Heating Services
In addition to upfront pricing, we are currently offering special discounts and promotions to customers that present these coupons while scheduling their services. This is a limited time offer!
The Perks of Our Heating Services
A full breakdown on pricing prior to beginning services at your home.
A full inspection and cleaning of your system prior to our service completion.
All of our contractors have been subjected to a thorough background check prior to being hired by us, so you’ll have the most trustworthy professionals in PA working in your home.
Our contractors are certified to work on a wide variety of heating systems.
We hold an A+ Rating by the BBB
(717) 207-9952
MARYLAND’S MOST RELIABLE HOME SERVICE CONTRACTOR
Request A Quote Now
GIVE US A CALL TODAY AT
REPAIR? INSTALLATION? WHATEVER ELSE
WE ARE HERE TO HELP.
Fill out Schaal’s online form to get your free estimate.
What To Expect From Our Local Heating Technicians
As your friendly community heating company in eastern PA, our goal is to make you feel comfortable with our techs as they enter your home to get the job done right. There are no gimmicks when it comes to pricing, which is why we make sure repair, installation or maintenance costs are clear and conveniently presented to you upfront. Our team is also intently savvy with repairs and installations for a variety of heating systems. This includes electric, ductless, furnace, gas and oil-based heating appliances.
Our Services
Heater Installations
Heat Repairs
Heater Maintenance
Ductless Heating
Geothermal
Furnaces
Gas & Oil Heating Systems
Heat Pumps
Indoor Air Quality
Before leaving the premises, we will also ensure your heating system is fully functioning and clean. Contact us today for an installation, repair or to schedule your next maintenance appointment.
5670 NW Beaver Dr, Johnston, IA 50131
Our skilled electricians ensure your home’s electrical systems are safe and efficient. From wiring to panel upgrades, we’ve got you covered.
Electrical
Discover The GAC Difference
Proudly Serving
Glen Burnie, MD & Its Surrounding Communities
Call Us Today!
Contact Us Today
Office Address
Certified Technicians
100% Satisfaction Guarantee
& Insured for Safety
On-Time Service
Upfront, Honest Pricing
Honest, Up Front Pricing
On Previous Estimates
24/7 Emergency Repair Services
At GAC Services, we believe that regular maintenance is the key to preventing costly repairs. That's why we offer priority maintenance services to our customers in Gaithersburg and Frederick, MD.
Our comprehensive maintenance plans include a complete inspection of your plumbing system and identification of any potential issues before they turn into major problems. With priority maintenance, you'll also receive priority service when you need repairs and exclusive discounts on parts and labor.
By signing up for our Prime Maintenance Membership Plan, you can have peace of mind knowing that your HVAC, electrical, and plumbing systems are all operating safely and efficiently all year. Contact us today to learn more and schedule your first maintenance appointment.
They were able to come out same day. They are reasonably priced and very helpful. The technician was very professional and knowledgeable. He took the time to make sure everything was working and to explain the issue to us. Would recommend.
- Michelle Denton, Google Review
Professionalism, Quality, Reasonable
At GAC Services, we take pride in providing top-notch heating, cooling, electrical, and plumbing solutions to our valued customers in Maryland and the surrounding areas.
Request An Estimate
Call us or fill out our online form to receive a free estimate on a new AC unit.
1
Schedule Service
Schedule a time and day for our NATE-Certified technicians to repair your air conditioner.
2
Enjoy The Comfort Of A Cooler Home
Enjoy greater comfort and lower energy bills.
3
LICENSE NUMBERS
License # WSSC: 72505
License # HVAC: 02-7541
License # Electric: 4172
GAC Services has received numerous accolades for our outstanding performance and exceptional customer service in the HVAC industry.
Financing Options Available
We offer flexible financing options to help you take care of your heating, cooling, electrical, and plumbing solutions, so you can get back to taking care of what matters most to you.
Sign Up For Prime Maintenance
A well-maintained plumbing system can save you from having to invest in costly repairs down the road. Learn more about the Prime Maintenance Membership Plan offered by GAC Services.
© 2025 GAC SERVICES. ALL RIGHTS RESERVED.
“What do our customers want?” That’s the question that’s been driving the way we do business at GAC from the very beginning—back when you might have known us as Maryland Air Conditioning & Heating! While our name may have changed, the way we do business hasn’t.
HOURS
EMERGENCY SERVICES AVAILABLE
WEEKDAYS: 7 AM - 6:30 PM
SATURDAYS: 7:30 AM - 4 PM
SUNDAYS: 7:30 AM - 4 PM
GAC Services provides HVAC and electrical services to your neighbors in Montgomery County, to Frederick County, and Howard County, Maryland.
Professional Services Provided By GAC
From leaky faucets to sewer line repairs, our experts handle it all. We’re available 7 days a week for any plumbing emergency.
Plumbing
Beat the summer heat with our air conditioning services. We offer AC repairs, replacements, and tune-ups.
Air Conditioning
Heating
Stay warm during the chilly months with our heating system repairs, installations, and maintenance services.
We work for our customers 7 days a week until sundown for home emergencies.
Save Time & Money With Our Prime Maintenance Memberships
The Perks of Our Heating Services
A full breakdown on pricing prior to beginning services at your home.
A full inspection and cleaning of your system prior to our service completion.
All of our contractors have been subjected to a thorough background check prior to being hired by us, so you’ll have the most trustworthy professionals in PA working in your home.
Our contractors are certified to work on a wide variety of heating systems.
We hold an A+ Rating by the BBB
At GAC Services, we believe that regular maintenance is the key to preventing costly repairs and extending the life of your heating, cooling, plumbing, and electrical equipment. That's why we offer priority maintenance services to our customers in Glen Burnie, MD.
Our comprehensive Prime Maintenance Membership plans include a complete inspection of your system, cleaning and tuning of components, and identifying any potential issues before they become major problems. You'll also receive priority service when you need repairs and exclusive discounts on parts and labor.
By signing up for Prime Maintenance Membership, you can have peace of mind knowing that your home systems are operating safely and efficiently all year round. Contact us today to learn more and schedule your first maintenance appointment.
GAC SERVICES
PROVIDES COMPLETE
HOME COMFORT
SOLUTIONS
Our Deals
Ensure the safety of your home this winter.
$99
Whole-Home Safety Electrical Inspection
Limited Time Offer
$19.86 Drain Cleaning
Offer available for a limited time.
Plus A FREE Camera Inspection