4 Best HVAC Companies in Greenville, MS (2026)
Why Greenville's Humid Summers Make HVAC Care Different
Greenville, MS's hot, humid summers push home cooling systems to run longer and raise humidity-related failures, making routine care more important than in drier climates. Search for the best HVAC companies in Greenville, MS that emphasize dehumidification, seasonal tune-ups, and indoor air-quality checks to reduce breakdowns and mold risk.
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Awards based on the same publicly available signals as the Vouched Score, including provider-stated certifications and dealer status. Not independently verified.
What separates these 4 Greenville pros on response, warranties & emergency service?
| # | Provider | Score | BBB | Years | Best for | |
|---|---|---|---|---|---|---|
| 1 | JJackson Heating & Air Conditioning, LLC | 78 | 4.9 (80+) | — | — | ★ Highest Vouched Score |
Editorial: Jackson Heating & Air Conditioning appears as the top local search listing in Greenville. The business lists a Greenville Washington Avenue service address. Greenville's hot, humid summers increase cooling demand for local homes. The company has accumulated 84 Google reviews, indicating steady local volume. Strengths:
Reviewers flag:
More: when to choose, when to consider alternativesConsider alternatives if:
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| 2 | SSimpson Air Conditioning Plumbing & Electrical | 74 | 4.7 (60+) | — | 86+ | AC RepairFurnace RepairEmergency / 24-Hour Service |
Editorial: Simpson lists Mini-Split Systems and ductless retrofit work on its site. Simpson traces operations back 85+ years. Greenville endures hot, humid summers, increasing cooling demand locally. Simpson advertises same-day emergency response. Local reviews note fast responses and clear diagnostic updates. Strengths:
Reviewers praise:
More: when to choose, when to consider alternativesChoose them if:
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| 3 | LLeroy Bowlin Heating and Air Conditioning Inc. | 54 | 4.5 (35+) | — | — | — |
Editorial: Leroy Bowlin Heating and Air Conditioning Inc. is based at 3742 US-82 West in Greenville. More: when to choose, when to consider alternativesConsider alternatives if:
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| 4 | AAirSouth Cooling, Heating, Plumbing, and Electrical | — | 3.9 (20+) | — | — | — |
Editorial: AirSouth lists air conditioning repair and system replacements across Mississippi. Strengths:
Reviewers praise:
Reviewers flag:
More: when to choose, when to consider alternativesChoose them if:
Consider alternatives if:
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Typical HVAC costs in Greenville, MS (2026)
Last updated
Estimated ranges for Greenville, MS. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| AC repair (typical service call) | $110–$485 |
| Furnace repair | $110–$675 |
| Tune-up / annual maintenance visit | $65–$150 |
| Full AC system replacement (3-ton, installed) | $4,100–$9,750 |
| Furnace replacement (installed) | $2,250–$6,350 |
| Heat pump installation | $3,750–$10,850 |
| Mini-split (single-zone, installed) | $1,850–$4,850 |
| Duct cleaning (whole-home) | $260–$600 |
| Duct sealing (Aeroseal or similar) | $1,100–$2,600 |
| Whole-house humidifier (installed) | $300–$1,850 |
| Whole-house dehumidifier (installed) | $1,100–$2,600 |
| Emergency / after-hours service premium | $110–$375 |
See how Greenville compares to 90+ US cities: HVAC Cost Index →
Nearby Mississippi hvac pricing: Biloxi · Clinton · Gulfport
See broader context: HVAC pricing in Mississippi · HVAC pricing nationwide
How were Greenville's HVAC pros evaluated on speed, warranty and licensure?
This guide evaluated 4 Greenville HVAC providers on response speed, warranty and licensure, using Google review data, provider-published service claims, and state licensing checks. Key signals were Google ratings, advertised emergency response windows, financing or free-estimate offers, and stated warranty or satisfaction commitments.
- Jackson Heating & Air Conditioning, LLC posts a 4.9/5.0 Google rating and scored high on review sentiment according to Google Maps data.
- Simpson Air Conditioning Plumbing & Electrical lists 85+ years in business and states same-day emergency response on its website.
- Leroy Bowlin Heating and Air Conditioning Inc. shows a 4.5/5.0 Google rating and moderate review sentiment per Google Maps data.
- AirSouth Cooling, Heating, Plumbing, and Electrical reports 24/7 emergency availability and free estimates, per their published service notes.
- Only one provider in the set advertises 24/7 emergency service, so emergency availability is limited across the four evaluated firms.
Evaluation combined Google Reviews, provider-published claims, and license checks via state records to compare speed, warranties, and licensure.
How do I choose a HVAC Company in Greenville?
- Verify: check Google Maps ratings and recent reviews for service patterns.
- Compare: list advertised warranties, financing, and free-estimate offers side by side.
- Confirm: consult Mississippi licensing records records for active contractor licensure.
- Request: ask providers to explain emergency response times and warranty terms in writing.
- Check: seek provider references or recent customer examples before hiring.
4 HVAC problems Greenville homeowners report most during humid summers
Most common HVAC problems in Greenville stem from prolonged summer humidity and long run times that strain cooling systems. Homes in Greenville commonly face moisture-driven coil corrosion, persistent indoor humidity, clogged condensate drains, refrigerant-related performance loss, and early compressor wear from continuous operation.
- Moisture‑clogged evaporator coils. Greenville's high summer humidity causes coils to stay wet and attract dirt, reducing airflow and cooling capacity within weeks.
- Persistent indoor humidity and mold smell. Long humid seasons in Greenville overwhelm AC dehumidification, leaving homes feeling clammy and increasing mold growth inside ductwork or air handlers.
- Clogged condensate drains and overflows. Excess condensate from heavy cooling loads in Greenville blocks drain lines more often, causing water stains and potential ceiling or insulation damage.
- Refrigerant leaks and reduced efficiency. Continuous summertime operation in Greenville exposes weak fittings to thermal stress, accelerating small refrigerant leaks and cutting cooling performance.
- Compressor stress and premature failure. Extended run times during Greenville's hot, humid months raise compressor workload and operating temperatures, shortening service life if not maintained.
What Greenville's population and regulations mean for hiring an HVAC pro now
Greenville's small population and long, humid summers raise cooling demand and indoor humidity. That drives need for high-efficiency cooling, better air filtration, and contractors who can respond quickly to condensate and compressor failures.
Greenville's prolonged summer humidity forces systems to run longer and increases moisture in homes. Longer runtimes accelerate coil fouling, refrigerant stress, and compressor wear.
Because of those impacts, evaluated HVAC companies in Greenville commonly list high-efficiency systems and air filtration among their services. High-efficiency equipment reduces run time and energy use during peak months. Air filtration and filtration upgrades help control humidity-driven mold spores and allergens inside ductwork.
One evaluated provider advertises emergency service available (advertised). Quick emergency response helps limit water damage from clogged condensate drains and prevents prolonged compressor stress.
Regulatoryly, Greenville requires business licensing, bonding, insurance, and workers' compensation. Homeowners should confirm a contractor's licensing and proof of insurance before scheduling work.
To compare evaluated providers or request a written estimate, request a free quote.
How quickly can a Greenville HVAC contractor typically respond to an emergency?
- How do I get a quote from these HVAC companies?
- Submit one request on this page and we send it to the vetted HVAC pros in Greenville, MS listed here. They send quotes back — no obligation.
- Typical HVAC pricing in Greenville, MS: what should I budget?
- AC repair typically runs $110–$485, and furnace repair runs $110–$675 in Greenville, Mississippi. See the HVAC pricing table on this page for the full per-service breakdown.
- How fast can I expect emergency AC repair response in Greenville, MS?
- Many evaluated providers advertise emergency service; contact contractors to confirm arrival windows. Contact a contractor directly to confirm typical arrival windows and after-hours fees. Ask whether technicians carry common replacement parts to shorten repair time. If water damage or compressor failure is present, request an estimated arrival time before dispatch.
- Do Greenville HVAC contractors need a business license and bond to work here?
- Yes. Greenville requires a business license and bond for HVAC contractors. Homeowners should request proof of a current business license and bond status before hiring. Checking this documentation reduces liability and confirms the contractor follows local registration rules.
- Is insurance and workers' compensation required for HVAC companies in Greenville?
- Yes. Contractors must carry liability insurance and workers' compensation coverage. Ask for certificate of insurance that names the business and confirms policy dates. Verifying coverage protects homeowners from on-site injury claims and property-damage liability during work.
- Do I need a city permit for a full AC or heat-pump replacement in Greenville?
- Permitting requirements are not listed in the provided local laws. Contact Greenville's building or permitting office to confirm if a permit is required for full system replacement. Contractors often handle permit pulls, so clarify responsibility before work begins.
- What should I do immediately after an AC emergency to limit damage?
- Shut off the unit at the thermostat and breaker if there is burning smell, leaking refrigerant, or flooding. Move valuables away from standing water and document damage with photos. Then call a contractor who advertises emergency service available and describe the symptoms for prioritization.
- How do I find an indoor air quality specialist in Greenville?
- Look for providers who list IAQ services, air-filtration upgrades, or duct cleaning on written estimates. Ask about experience with humid-climate issues such as moisture control and condensate management. Request references or reviews mentioning mold or humidity problem resolution.
- How should I evaluate a mini-split or heat-pump installer in Greenville?
- Verify the installer’s equipment training and manufacturer-dealer status for the proposed brand. Confirm license, insurance, and written warranties. Ask how the installer sizes systems for high summer humidity and whether refrigerant lines and condensate drains are included in the scope.
- When is the best time to schedule maintenance before Greenville's hot, humid season?
- Schedule preventive maintenance in late spring, before peak summer humidity begins. Early-season tune-ups reduce coil fouling and refrigerant issues that are common during prolonged summer runtimes. Book early to avoid busy-season scheduling delays.