📍 BAY ST. LOUIS · COMMERCIAL HVAC

Commercial HVAC in Bay St. Louis, MS

Restaurants, retail, medical, offices, warehouses. RTUs, splits, ductless, VRF. Serving Bay St. Louis and surrounding Hancock County neighborhoods, same-day, real Keith's tech, no distance surcharge.

Bay St. Louis to Saucier is ~42 minutes. Same-day, every time.

📞 CALL BAY ST. LOUIS · (228) 265-8609
★ 4.9 · 1609 reviews · BBB A+ · MS Mechanical Contractor #R19061 · ZIP: 39520

COMMERCIAL HVAC IN BAY ST. LOUIS · WHY LOCALS CALL KEITH'S

Same crew that services your home services your building. One call, no subcontractors. That standard applies whether you're in Old Town, Bay-Waveland Beach, or anywhere else in Bay St. Louis.

Bay St. Louis and neighboring Waveland/Diamondhead form the western edge of our service area. Old Town homes are historic with retrofitted HVAC. Diamondhead is a mix of golf-community standard residential and larger estates. Distance-wise it's our farthest regular service area, but we don't charge extra for the drive. Storm rebuild age systems are the primary replacement demand.

Commercial HVAC in Bay St. Louis covers these ZIP codes: 39520. We service homes near Old Town Bay St. Louis, Bay Waveland Yacht Club, Diamondhead, and every neighborhood between.

01 SIGNS · IN YOUR BAY ST. LOUIS HOME

BAY ST. LOUIS HOMEOWNERS
CALL WHEN THEY SEE:

RTU on the roof making noise or short-cycling
Warm spots in retail or restaurant
Walk-in cooler warming or freezer frosting
Preventive maintenance contract needed for lease compliance
New buildout needs system sizing and install
Utility bill spike with no operational change

any of those in Bay St. Louis? call now →

CALL FROM BAY ST. LOUIS · (228) 265-8609

COMMERCIAL HVAC PRICING
IN BAY ST. LOUIS, MS

Same rates in Bay St. Louis as everywhere else on the Coast. No distance charges, no city-based markup.

Service Call $95 flat commercial diagnostic
Pm Contract Quarterly starts at $600/year per unit
New Rtu Replacement $8,500 to $28,000 per unit installed
Vrf System priced per project

BAY ST. LOUIS COMMERCIAL HVAC
QUESTIONS ANSWERED.

Do you offer maintenance contracts?

Yes, quarterly, semi-annual, and monthly PM contracts sized to your equipment. Contracts include priority emergency response and discounted parts.

Do you handle refrigeration too?

Yes. Walk-in coolers, walk-in freezers, reach-in units, ice machines, prep tables. Restaurant and grocery accounts especially.

What's your response time for a downed commercial unit?

Under 2 hours for contracted accounts, same-day for non-contract during business hours, next-business-day worst case for non-emergency issues.

See Full Commercial HVAC Info →

OTHER SERVICES IN BAY ST. LOUIS.

AC Repair in Bay St. Louis → AC Installation in Bay St. Louis → Heating Repair in Bay St. Louis → Mini Split Systems in Bay St. Louis →

BAY ST. LOUIS · COMMERCIAL HVAC
CALL NOW.

Answered 24/7 · Same-day to Bay St. Louis · No distance surcharge

📞 CALL (228) 265-8609

Bay St. Louis · don't sweat the heat, call keith!