📍 HATTIESBURG · AC INSTALLATION

AC Installation in Hattiesburg, MS

Rheem Triple Diamond installs. Proper sizing. Coastal-grade equipment. 10-year parts warranty. Serving Hattiesburg and surrounding Forrest County neighborhoods, same-day, real Keith's tech, no distance surcharge.

Hattiesburg to Saucier is ~65 minutes. Same-day, every time.

📞 CALL HATTIESBURG · (228) 265-8609
★ 4.9 · 1609 reviews · BBB A+ · MS Mechanical Contractor #R19061 · ZIP: 39401, 39402, 39406

AC INSTALLATION IN HATTIESBURG · WHY LOCALS CALL KEITH'S

Rheem Triple Diamond for 7 years running. Proper Manual-J sizing. Full-system installs finished in one day. That standard applies whether you're in Downtown Hattiesburg, Oak Grove, or anywhere else in Hattiesburg.

Hattiesburg is our largest inland market. Winters here are noticeably colder than the Coast, so heat pump and furnace demand is much higher year-round. Student rentals near USM and William Carey drive volume for smaller repair jobs and quick turnarounds. Commercial demand from restaurants, retail near Turtle Creek Mall, and medical near Forrest General Hospital. Newer construction in Oak Grove skews standard efficient residential.

AC Installation in Hattiesburg covers these ZIP codes: 39401, 39402, 39406. We service homes near The University of Southern Mississippi, William Carey University, Downtown Hattiesburg, and every neighborhood between.

01 SIGNS · IN YOUR HATTIESBURG HOME

HATTIESBURG HOMEOWNERS
CALL WHEN THEY SEE:

System is 12+ years old and repairs keep stacking
Bills climbing every summer even after a service call
One room always too hot or too cold
R-22 (Freon) system that can't be recharged anymore
Rooms with no ductwork you want to condition (mini split)
Just bought the house and inherited a mystery system

any of those in Hattiesburg? call now →

CALL FROM HATTIESBURG · (228) 265-8609

AC INSTALLATION PRICING
IN HATTIESBURG, MS

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

Typical Range $5,800 to $14,500 depending on tonnage, efficiency, and ductwork
Standard 3 Ton Replacement $6,400 to $8,900
High Efficiency 3 Ton $9,200 to $12,800
Full System With Ductwork $11,000 to $16,000
Mini Split Single Zone $4,200 to $6,800
Mini Split Multi Zone $8,500 to $18,000
Financing Note 0% and low-APR through Service Finance, FTL Finance, Synchrony. Approved credit.

HATTIESBURG AC INSTALLATION
QUESTIONS ANSWERED.

How do you decide what size system I need?

We run a Manual-J load calculation on your home: insulation, window count and orientation, ductwork condition, air infiltration, occupancy. Not square-footage guesswork. Oversized systems short-cycle and destroy comfort in Gulf humidity. Right-sized wins.

Why Rheem?

We've been a Rheem Triple Diamond Dealer for 7 years straight. Their warranties, parts availability, and coastal-corrosion coatings hold up on the Coast better than most. We install Lennox, Trane, Daikin, Mitsubishi mini splits, and Carrier too when the customer prefers.

What's included in the install price?

Equipment, install labor, all electrical and refrigerant line connections, condensate line, disposal of the old system, permit, city inspection scheduling, refrigerant charge, thermostat, commissioning, and a 10-year manufacturer parts warranty plus 1-year labor. No surprise fees.

How long does the install take?

Standard replacement: one day. Full system with new ductwork: two days. Mini split: half day to one day depending on zone count.

Do I need to be home?

For the initial hour and the walkthrough at the end, yes. The middle 4-6 hours our crew works independently. We're W-2 employees, background checked, uniformed, drug tested.

See Full AC Installation Info →

OTHER SERVICES IN HATTIESBURG.

AC Repair in Hattiesburg → Heating Repair in Hattiesburg → Furnace Installation in Hattiesburg → Heat Pump Service in Hattiesburg → Commercial HVAC in Hattiesburg → Duct Cleaning in Hattiesburg →

HATTIESBURG · AC INSTALLATION
CALL NOW.

Answered 24/7 · Same-day to Hattiesburg · No distance surcharge

📞 CALL (228) 265-8609

Hattiesburg · don't sweat the heat, call keith!