Heating & Cooling Timonium Has Trusted for 80 YearsHVAC in Timonium, MD & Central Maryland
Family-owned and operated for four generations. Repairs, new systems and maintenance for homes and businesses across Baltimore County and beyond.
- ★ 4.9 Google Rating · 200+ Reviews
- ✓ 80 Years Family-Owned
- ✓ Authorized Carrier® Dealer
- ✓ Free Same-Day Estimates
- ✓ Residential & Commercial
Providing Professional HVAC Solutions to Timonium, MD Since 1946
Heating, Air Conditioning & Air Quality
The technology involved in keeping the interiors of homes and commercial buildings at comfortable temperatures and humidity levels continues to evolve, and Chason Service Engineers, Inc. stays up-to-date on it. We have a long and strong track record of delivering quality air conditioning and heating systems to home and business owners throughout central Maryland – one that has allowed us to grow and become a recognized leader in the industry.
- Authorized Carrier® dealer for heating and cooling systems
- Furnaces, boilers, heat pumps, AC and ductless mini-splits
- Free same-day estimates on new systems
- Comfort Protection™: 2 years parts & labor on qualifying repairs
Heating & Air Conditioning Services
Repair, Installation & Maintenance in Baltimore County
From emergency furnace repair to high-efficiency Carrier® system installations, our technicians handle air conditioners, heat pumps, ductless mini-splits, furnaces, boilers and indoor air quality equipment for homes and businesses across Central Maryland. Ask about our maintenance plans to keep your system running efficiently year-round.
What Our Customers Say About Chason
Real reviews from our neighbors across Central Maryland.
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. 
Trustindex verifies that the original source of the review is Google. About Chason Service Engineers
Chason Service Engineers, Inc. is proudly celebrating 80 years in business.
On January 1, 1946, Earl and Marie Chason founded Chason Service Engineers, Inc., making an idea become reality. The rest is history. Here we are, four generations and 80 years later, still family-owned and -operated by Robert and Janice Chason. Through the years, some things may have changed, but customer satisfaction has always remained paramount with us.
- Residential HVAC services
- Service agreements
- FREE same-day estimates
- Convenient financing options
- Commercial HVAC services
- After-hours emergency service
-
A warranty on all services & installations
Areas We Serve
From our shop in Timonium, our technicians serve homes and businesses in Baltimore City and Baltimore, Harford, Carroll, Howard and Anne Arundel counties.
- Timonium
- Cockeysville
- Hunt Valley
- Lutherville
- Towson
- Parkville
- Perry Hall
- White Marsh
- Pikesville
- Sparks
- Monkton
- Bel Air
- Fallston
- Jarrettsville
- Aberdeen
- Westminster
- Upperco
- Union Bridge
- Woodstock
- West Friendship
Don’t see your town? View our full service area or call (410) 252-6300.
Frequently Asked Questions
Quick answers about heating and air conditioning service from Chason.
What areas does Chason Services serve?
We are based at 1947 Greenspring Drive in Timonium, MD and serve homes and businesses throughout Baltimore City and Baltimore, Harford, Carroll, Howard and Anne Arundel counties, including Cockeysville, Hunt Valley, Lutherville, Towson, Bel Air and Westminster.
Do you offer emergency heating and AC repair?
Yes. Our office is open Monday through Friday, 7:30 AM to 4:00 PM, and after-hours emergency service is available. If your heat or air conditioning goes out, call (410) 252-6300.
How long has Chason been in business?
Chason Service Engineers, Inc. was founded by Earl and Marie Chason on January 1, 1946. Four generations later, the company is still family-owned and operated by Robert and Janice Chason.
What brands do you install and service?
We are an authorized Carrier® dealer and install Carrier heating and cooling systems. Our technicians also repair and maintain most major brands of furnaces, boilers, heat pumps, air conditioners and ductless mini-splits.
Do you offer free estimates?
Yes. We offer free same-day estimates on new heating and cooling systems. Call (410) 252-6300 or schedule online to set one up.
Is financing available for a new HVAC system?
Yes. We offer convenient financing options so you can get the equipment and service you need when a breakdown happens. Contact our office to learn more.
What is Chason Comfort Protection?
Comfort Protection extends coverage on qualifying repairs to both parts and labor for two full years, so if the same component fails again, you are not paying twice for the same repair. Learn about Comfort Protection.
Do you service commercial buildings?
Yes. Along with residential service, we handle commercial HVAC installation, rooftop unit repair, emergency repair and commercial maintenance plans across Central Maryland. See our commercial services.
Can you help with indoor air quality?
Yes. We install and service air purifiers, humidifiers, dehumidifiers and UV germicidal lights, and we also offer dryer vent cleaning. Explore air quality products.
HVAC Financing Available
We understand that HVAC breakdowns rarely happen at a good time. We ensure you can get the equipment and services you need with convenient financing options. Contact Chason Service Engineers, Inc. today to find out more!