Trusted Owings Mills HVAC Service Since 1978
Family-owned heating and cooling contractor serving Owings Mills and the Baltimore area with honest estimates, reliable installations, and warranties on completed work.
Our Services
Why Choose GLM Mechanical Services, Inc.
Family-owned since 1978
Three generations of local service mean long-term relationships and consistent, accountable workmanship.
Master HVAC License (ID: 3084)
Licensed professionals perform every job; customers can request proof of licensing and insurance at scheduling.
Honest, open estimating
We provide clear, itemized quotes and explain options so you understand recommended repairs or replacements.
Free estimates and warranties
On-site evaluations are free and every completed job is backed by a warranty to protect your investment.
Experienced with common residential brands
Years of work on Goodman and Airtemp systems and other common residential equipment give us practical troubleshooting strengths.
Serving Baltimore-area neighborhoods
Proudly available across Owings Mills, Pikesville, Randallstown, Towson and Baltimore, with technicians familiar with local building styles and codes.
Amenities & Features
About GLM Mechanical Services, Inc.
GLM Mechanical Services, Inc. is a family-owned HVAC contractor based in Owings Mills, Maryland. Since 1978 we’ve provided residential and light commercial heating and cooling solutions across the Baltimore area, specializing in furnaces, central air conditioning, heat pumps, boilers and water heaters. We emphasize honest, open estimating and timely, detail-oriented workmanship on every job.
Our technicians live and work locally—frequently serving homes near the Owings Mills Metro Centre, Reisterstown Road corridors, Towson Town Center, and landmarks such as the Baltimore Inner Harbor and Camden Yards. We provide free on-site estimates, transparent recommendations, and warranties on completed work so customers know what to expect from start to finish. For installations, replacements or routine maintenance, call our office at (410) 979-4106 or email wesfoster2@verizon.net to schedule service.
Serving the community since 1978
Areas We Serve
GLM Mechanical Services, Inc. proudly serves these communities and surrounding areas.
Frequently Asked Questions
Schedule Your Free Estimate — Call (410) 979-4106
Office hours are Monday–Friday, 8:00 AM–6:00 PM; stop by or call from our Owings Mills location at 9905 Lyons Mill Rd to set an appointment.






