Welcome to GLM Mechanical Services, Inc. — Owings Mills' Trusted HVAC Since 1978
We’re GLM Mechanical Services, Inc., a family-owned heating and cooling company based at 9905 Lyons Mill Rd in Owings Mills, MD. For more than four decades we’ve focused on straight answers, on‑time workmanship and reliable systems that keep homes and light commercial properties comfortable year-round. Whether you need a quick repair, a full system replacement, or routine maintenance, our team brings licensed experience and clear pricing to every job.
Who we are and what we stand for
GLM started in 1978 and remains locally owned and operated. Our technician team works under a Master HVAC license (ID: 3084) and we carry the insurance required for residential and light commercial work. We pride ourselves on honest, open estimating—no surprise fees—and on warranties for completed work so you know the job was done right. Our office hours are Monday through Friday, 8:00 AM to 6:00 PM, and you can reach us at (410) 979-4106 or wesfoster2@verizon.net.
Services we provide
We install, replace and service furnaces, central air conditioning systems, heat pumps, boilers and water heaters. Our core services include residential HVAC installation, HVAC repair and troubleshooting, furnace service & replacement, central A/C installation, heat pump installation & replacement and water heater installation. We provide free estimates for new systems and back our workmanship with warranties—contact us for specific warranty terms. We have experience with common brands including Goodman and Airtemp and will recommend the best option for your home’s size and budget.
Serving the Baltimore area — neighborhoods and landmarks
Based in Owings Mills, we serve homeowners and small businesses across Baltimore County and the city: Owings Mills, Pikesville, Randallstown, Towson and Baltimore. You’ll see our crews working near landmarks such as the Owings Mills Metro Station and the Owings Mills Town Center redevelopment, along I‑695 (the Baltimore Beltway), and around Towson Town Center. We frequently handle jobs in nearby neighborhoods like the Reisterstown Road corridor, Garrison, and areas bordering Leakin Park and Northern Parkway in the city. If you’re near these neighborhoods or along major corridors off I‑795 and I‑695, we can usually schedule an on-site evaluation quickly.
How we work with you
When you call, we’ll listen to the problem, arrange a convenient on-site visit and provide a clear, written estimate at no charge for new installations or replacements. For repairs we explain options—repair vs. replacement—so you can make an informed choice. We accept major credit cards (Visa, Mastercard, Discover) and other standard payment methods; confirm specifics when you schedule. If you need proof of licensing or want to review warranty details before we start, we’re happy to provide documentation.
Thanks for taking a moment to meet GLM Mechanical Services, Inc. If you live or work in Owings Mills, Pikesville, Randallstown, Towson or Baltimore and need dependable HVAC service, call (410) 979-4106 or email wesfoster2@verizon.net to schedule a free estimate or service appointment. We look forward to earning your trust with straightforward estimates, timely workmanship and dependable results.