Commercial HVAC Repair & Installation That Keeps You Open
Fast, reliable service for businesses — minimizing downtime on the systems you depend on. Repairs, replacements, and new installs, from a local team trusted since 1977.
- ✓ Minimal downtime
- ✓ 24/7 emergency service
- ✓ All makes & models
- ✓ Licensed & insured
Request Commercial Service
Repair, maintenance, or a new system — tell us what your business needs and we'll respond fast.
Request Commercial Service →🔒 Fast response · We respect your privacy.
— or call us now —
📞 (251) 202-5477Two Core Services
Commercial Repair & Installation
Whether a unit is down or it's time to replace aging equipment, Grayson keeps your business comfortable with minimal disruption.
Repair & Maintenance
Fast, reliable repairs that get your systems back online and keep them running.
- Same-day & 24/7 emergency repair
- Rooftop units (RTUs), splits & light commercial
- All makes & models
- Preventive maintenance agreements
Installation & Replacement
Right-sized, efficient systems installed with minimal disruption to your operations.
- New & replacement commercial systems
- Free quotes on installs & replacements
- Energy-efficient, properly sized equipment
- Flexible & after-hours scheduling
Why Grayson
Built Around Your Uptime
We know a comfortable building keeps customers, tenants, and staff happy — and that downtime costs money.
Minimal Downtime
Fast response, after-hours availability, and 24/7 emergency service so your business keeps running.
Maintenance Agreements
Scheduled preventive maintenance to maximize efficiency and catch issues before they shut you down.
Trusted Since 1977
Licensed, insured, and experienced with commercial equipment across Mobile & Baldwin County.
What Customers Say
Reliability You Can Count On
Rated 4.9 stars across 1,000+ reviews — here's why people keep doing business with Grayson.
"He totally checked out the system inside and out, made a couple of suggestions, and didn't try to sell me something I didn't need. A very reliable company to do business with! Ten stars!"
"We've been using Grayson for years. Competent, well-trained technicians who care about the quality of their work. I trust their work and the value is fair."
"I've used Grayson for years. Professional and competent — it's great dealing with a local company you can rely on."
Keep Your Business Comfortable.
From emergency repairs to new system installs, Grayson is your local commercial HVAC partner — trusted since 1977.
Good to Know
Commercial HVAC FAQs
What commercial HVAC services do you provide?
Both repair and installation — including emergency repair, preventive maintenance, and new system installation and replacement for offices, retail, and light commercial properties.
Can you work around our business hours?
Yes. We offer flexible and after-hours scheduling plus 24/7 emergency service to minimize disruption and keep your business running.
What systems and brands do you service?
All makes and models, including rooftop units (RTUs), split systems, and light commercial equipment. We're a Carrier dealer for new installations.
Do you offer maintenance agreements and quotes?
Yes — preventive maintenance agreements to protect your uptime, and free quotes on commercial installations and replacements.
What areas do you serve?
We serve businesses across Mobile and Baldwin County — including Daphne, Bay Minette, Chickasaw, Creola, Chunchula, Dauphin Island, Bayou La Batre, and Coden. Not sure if you're in our area? Just give us a call.
Commercial HVAC You Can Rely On
Repair · Maintenance · Installation & replacement — minimal downtime, since 1977
