Heating & Air Conditioning in Hattiesburg, MS

Air-Pro Inc handles residential and light-commercial heating and cooling across Hattiesburg and the surrounding area. From an AC that quit in a heat wave to a furnace that won't light on the first cold night, the fastest way to get help is to call — you'll reach a local technician, not a call center.

Blower & motor repair

Failed blower motors, capacitors, and fan issues restored to spec.

Emergency service

Urgent no-heat and no-cool calls handled fast, before small faults become failures.

AC installation & replacement

Properly sized new systems with load calculations, from value units to high-SEER equipment.

AC repair

Diagnosis and repair of central air systems — warm air, weak airflow, refrigerant leaks, and electrical faults.

Seasonal tune-ups

Preventive maintenance that keeps efficiency high and catches cheap fixes early.

Thermostat installation

Smart and programmable thermostat wiring, setup, and configuration.

Heating & Cooling in Hattiesburg, Mississippi

Heat and humidity dominate the calendar in Hattiesburg, keeping air conditioners under load most of the year and making moisture control central to indoor comfort. Mild winters favor heat pumps, but summer storm season demands rugged, well-maintained outdoor equipment. Local providers like Air-Pro Inc understand these conditions and service equipment accordingly.

Common HVAC Problems in Hattiesburg

Strange noises at startup

Grinding, squealing, or banging at startup often signals worn bearings, a loose blower wheel, or delayed furnace ignition — all worth addressing before they become breakdowns.

Furnace ignition failures

A furnace that clicks but will not light may have a dirty flame sensor, faulty igniter, or gas supply issue — problems best diagnosed by a trained technician.

Uneven temperatures between floors

Multi-level homes often suffer hot upstairs rooms in summer. Duct adjustments, zoning dampers, or a ductless unit for the problem area are common solutions.

Frozen evaporator coil

Ice on the indoor coil chokes cooling entirely. Restricted airflow or low refrigerant are the usual causes, and running the unit while frozen risks compressor damage.

Why Choose a Local Mississippi Company

Local technicians know the housing stock — from older homes with aging ductwork to new builds with high-efficiency systems. Local companies live on reputation, and word travels fast in the community when work is done right. Same-area service means faster response when the weather turns and equipment fails at the worst moment.

Seasonal Tips for Mississippi Homes

Rinse the outdoor condenser coil each spring — in long cooling seasons a dirty coil can cut efficiency by double digits.
Shade the outdoor unit if possible, but keep at least two feet of clearance for airflow on all sides.
Keep the condensate drain line clear; in humid climates algae builds fast and an overflow can shut the system down mid-summer.
Watch humidity, not just temperature: a system that cools but does not dehumidify may be oversized or low on refrigerant.

Frequently Asked Questions

Why is my AC running constantly in summer?

During heat waves some runtime is normal, but nonstop operation with poor cooling suggests low refrigerant, dirty coils, duct leaks, or an undersized system. A service visit can pinpoint which.

How long does an air conditioner last?

A well-maintained central air conditioner typically lasts 12–17 years. Systems that run long seasons or skip maintenance wear out sooner, while regular tune-ups and prompt repairs stretch lifespan toward the upper end.

What size HVAC system does my home need?

Sizing depends on square footage, insulation, windows, ceiling height, and local climate — not guesswork. An oversized unit short-cycles and an undersized one never keeps up, so a proper load calculation matters.

Should I repair or replace my system?

A common rule: if the unit is past 12 years old and the repair costs more than a third of replacement, replacement usually wins. A technician can weigh age, efficiency, refrigerant type, and repair history for your specific unit.

How often should I change my air filter?

Every 1–3 months for standard filters, depending on pets, dust, and usage. A clean filter is the cheapest way to protect airflow, efficiency, and indoor air quality.