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Quick facts
- AreaGreenville
- StateMS
- Providers10
- Climate zone3A-Warm-Humid
- Heating degree days3,000
- Recommended systemheat pump dominant
Why HVAC matters in Greenville
Greenville sits in IECC climate zone 3A-Warm-Humid with average January temperatures of 46°F and July highs around 80°F. With 1,900 cooling degree days, air conditioning is critical during summer months.
MS (Washington County) falls in IECC 3A-Warm-Humid. HDD 3000 / CDD 1900 per NOAA 1991–2020 state averages drive a heat pump dominant HVAC strategy. Climate data is zone-level; consult a contractor for site-specific load calcs.
Heat pump recommended for Greenville
An air source heat pump is the ideal system for this climate zone — it heats in winter and cools in summer with one unit.
With mild winters (avg 46°F in January) and 3,000 heating degree days, heat pumps operate at peak efficiency year-round here.
About Greenville HVAC
Greenville's suburban profile means most HVAC work is replacement rather than new-build. 10 HVAC providers list active service in Greenville — a small but workable shortlist. Getting three quotes is realistic if you plan a week out.
Greenville's climate (IECC zone 3A-Warm-Humid) keeps outdoor temps inside the efficient range of air-source heat pumps most of the year, with January averages around 46°F. That's why heat-pump conversions have overtaken straight AC + furnace installs in most of the local market. Entergy Mississippi's Entergy MS Heat Pump Rebate currently offers up to $800 toward a qualifying system, which meaningfully shifts the cost-of-ownership math.
Top local providers
Request quotes →What customers say “Mr Malcolm Jackson saved us from making a huge mistake and saved us a lot of money in which we would be paying for…”
What customers say “Simpson air is always been reliable called them the same day Randy Ray was on his way arriving less then a hour, was…”
What customers say “Mr Bowlin worked with me to get a whole new air/heating system installed at my home. The work was done promptly and…”
- installationrepairinspectionemergency
What customers say “I had a fantastic experience with our AC technician during our routine maintenance service. They were punctual,…”
What customers say “Great people and great place”
What customers say “Nice and friendly, take time to find the problem, didn't just assume, we had had many contracts come out to check…”
What customers say “Jesse and sons put in a new heater and air conditioning in our home about four weeks ago. They worked well together…”
What Greenville homeowners say
“Jesse and sons put in a new heater and air conditioning in our home about four weeks ago. They worked well together and were very efficient. The job was done in about six hours total. Their knowledge and skill is top of the line. What I most appr…”
“Simpson air is always been reliable called them the same day Randy Ray was on his way arriving less then a hour, was awesome he arrived when they said he would and fixed the problem with ease after numerous of other people coming out. I’m so apprecia…”
“I had a fantastic experience with our AC technician during our routine maintenance service. They were punctual, professional, and extremely thorough. It’s clear they know exactly what they’re doing and take pride in delivering top-notch service. The…”
Local pricing snapshot
Repairs typically run $150–$600. Full system replacements range from $4k for a basic furnace to $12k+ for a premium heat pump. Heat pumps are the recommended system for this climate zone, offering both heating and cooling in one unit.
Available rebates in Greenville
- Entergy Mississippi: Entergy MS Heat Pump Rebate — $200–$800 for heat pump
Federal tax credits (up to $2,000 for heat pumps) can stack with utility rebates. See full cost breakdown →
Nearby service areas
Mississippi hub →Explore more Mississippi markets from the state hub.
Popular comparisons in Greenville
- Jackson Heating & Air Conditioning, LLC vs Simpson Air Conditioning Plumbing & Electrical4.8★ vs 4.7★
- Jackson Heating & Air Conditioning, LLC vs Leroy Bowlin Heating and Air Conditioning Inc.4.8★ vs 4.3★
- Simpson Air Conditioning Plumbing & Electrical vs Leroy Bowlin Heating and Air Conditioning Inc.4.7★ vs 4.3★
- Simpson Air Conditioning Plumbing & Electrical vs AirSouth Cooling, Heating, Plumbing, and Electrical (Greenville, MS)4.7★ vs 3.9★
- Leroy Bowlin Heating and Air Conditioning Inc. vs AirSouth Cooling, Heating, Plumbing, and Electrical (Greenville, MS)4.3★ vs 3.9★
- Leroy Bowlin Heating and Air Conditioning Inc. vs Hughes Supply4.3★ vs 5.0★
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Frequently Asked Questions
What's the best heating system for Greenville?
Greenville is in IECC climate zone 3A-Warm-Humid with mild winters (avg January: 46°F). Air source heat pumps are the recommended system — they provide both heating and cooling efficiently in this marine climate, and qualify for substantial utility and federal rebates.
How important is air conditioning in Greenville?
Very. With 1900 cooling degree days and summer highs regularly exceeding 80°F, AC is essential in Greenville. Central AC or a heat pump (which provides both heating and cooling) is strongly recommended. Budget $3,500-$7,000 for a quality cooling system installation.
What HVAC rebates are available in Greenville?
Greenville homeowners can stack multiple incentives: Entergy Mississippi offers up to $800 for heat pump installations. Add the federal 25C tax credit ($2,000), and total savings can reach $2,800+. Ask your installer to itemize which rebates apply to your specific project.
How much does HVAC work cost in Greenville?
In Greenville, typical costs range from $150-$600 for repairs, $4,000-$8,000 for a standard furnace or AC replacement, and $6,000-$14,000 for a heat pump system. After available rebates, heat pump installations often net out to $4,000-$9,000. Get 2-3 written quotes to compare — prices vary significantly between contractors.
How do I verify a HVAC contractor is licensed in Mississippi?
Mississippi requires a State Board of Contractors license for commercial HVAC work over $50,000 or residential work over $10,000 — it includes a Mechanical classification for HVAC, plus a Residential Builders License for smaller residential jobs. Verify at msboc.us/search_online. Below those thresholds, licensing is municipal (Jackson, Gulfport, Hattiesburg each require local registration). Always confirm an active license, current general-liability and workers' comp insurance, and any local mechanical permit.
Licensing verified weekly. Reviews refreshed within the last 30 days.
Licensing data: Mississippi State Board of Contractors (commercial work over $50,000 / residential over $10,000; municipal licensing handles residential otherwise) · Company data: verified business records + Google Business profile
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