8 Best Furnace Replacement Companies in Hattiesburg, MS.

Why Hattiesburg, Mississippi Homeowners Replace Furnaces More Often Than You'd Expect

Hattiesburg's humid subtropical climate brings warm, damp winters and variable seasonal load that shortens furnace lifespan and increases replacement frequency. Homeowners tracking the Best furnace replacement companies in Hattiesburg, MS often replace older units after cold snaps or when efficiency drops.

Quick Picks

repair & replace options, free estimates
Highest Vouched ScoreMingledorffs - Hattiesburg
Vouched Score: 80
Best for Combustion-Safe InstallationMingledorffs - Hattiesburg
Measured combustion safety (CO/draft)
Best for High-Efficiency (95%+ AFUE) UpgradesGold AC & Heating Services
Yes
Best for Gas Furnace ReplacementMingledorffs - Hattiesburg
Gas furnace changeout + combustion safety
Best for Furnace + AC ChangeoutJim Smith Services
Furnace + AC full-system changeout

Awards based on the same publicly available signals as the Vouched Score, including provider-stated certifications and dealer status. Not independently verified.

Compare top Furnace Replacement providers in Hattiesburg

#ProviderScoreGoogleBBBYearsBest for
1Mingledorffs - Hattiesburg805.0 (80+)
★ Highest Vouched ScoreCombustion-Safe InstallationGas Furnace Replacement

Editorial: Mingledorffs lists furnace replacement and in-store gas furnace parts for residential and commercial needs.

Strengths:
  • High Google rating (5.0★ across 82 reviews)
  • Emergency response: 24/7
More: when to choose, when to consider alternatives

Choose them if:

  • You need same-day or after-hours service
  • You have a commercial property

Consider alternatives if:

  • You want a BBB-rated firm specifically
2Bellevue Air Conditioning, Heating & Electric, LLC744.9 (120+)
Honest Replace-vs-Repair

Editorial: Bellevue Air Conditioning states they document repair-versus-replace options before recommending changeouts. Bellevue Air Conditioning lists same-day emergency service and a 24/7 line for urgent heating failures. Bellevue Air Conditioning notes upfront, flat-rate pricing and free written estimates. Bellevue Air Conditioning advertises 15+ years serving the Pine Belt area. Bellevue Air Conditioning's review history highlights fast responses on emergency heating calls.

Strengths:
  • High Google rating (4.9★ across 121 reviews)
  • Long-established (15+ years in business)
  • Emergency response: same-day
Reviewers praise:
  • punctuality
  • transparent pricing
  • fast emergency response
More: when to choose, when to consider alternatives

Choose them if:

  • You need same-day furnace replacement
  • You need same-day or after-hours service
  • You need to finance the work
  • You prefer a family-owned operation

Consider alternatives if:

  • You want a BBB-rated firm specifically
3Jim Smith Services734.7 (50+)32+
Furnace + AC Changeout

Editorial: Jim Smith Services lists furnace+AC full-system replacements on its website. The company states same-day and 24/7 emergency replacement availability. Founded 30+ years ago, Jim Smith Services traces roots to Hattiesburg-area HVAC work. Website notes financing options for high-ticket changeouts.

Strengths:
  • High Google rating (4.7★ across 52 reviews)
  • Long-established (32+ years in business)
  • Emergency response: 24/7
More: when to choose, when to consider alternatives

Choose them if:

  • You need same-day or after-hours service
  • You need to finance the work
  • You value a long-tenured local operator (32+ years in business)

Consider alternatives if:

  • You want a BBB-rated firm specifically
4Essco Air Conditioning & Heating645.0 (9)46+

Editorial: Trane Distributor since 1980, selling and servicing Trane heating systems. Family-owned business with 45+ years serving the Pine Belt. Hattiesburg's humid winters increase the importance of correct condensing-furnace venting. Essco advertises 24-hour emergency response and free estimates.

Strengths:
  • Long-established (46+ years in business)
  • Emergency response: 24-hour
  • Free estimates
Reviewers flag:
  • Smaller review history (9 Google reviews)
More: when to choose, when to consider alternatives

Choose them if:

  • You need same-day or after-hours service
  • You prefer a family-owned operation
  • You value a long-tenured local operator (46+ years in business)

Consider alternatives if:

  • You prefer a provider with hundreds of customer reviews
  • You want a BBB-rated firm specifically
5Oak Grove Heating & Air Conditioning614.4 (55+)

Editorial: Oak Grove Heating & Air Conditioning lists residential furnace replacement and service. The business operates from 2855 Oak Grove Rd in Hattiesburg. Hattiesburg's mild winters still produce occasional cold snaps homeowners prepare for. Local visibility is supported by a top-three Google Maps position locally.

Reviewers flag:
  • Mixed customer sentiment (score 65/100)
More: when to choose, when to consider alternatives

Consider alternatives if:

  • You want a BBB-rated firm specifically
6Gold AC & Heating Services615.0 (10)
High-Efficiency (95%+ AFUE) Upgrades

Editorial: Gold AC & Heating Services lists furnace replacement and heating installs for Hattiesburg homes. The website notes licensed technicians and free estimates via an online contact form. Gold AC advertises high-efficiency heating products for Gulf humidity and occasional cold snaps. Local reviewers mention prompt emergency responses and quick service visits.

Strengths:
  • Emergency response: 24/7
  • Free estimates
Reviewers flag:
  • Smaller review history (10 Google reviews)
More: when to choose, when to consider alternatives

Choose them if:

  • You need same-day or after-hours service

Consider alternatives if:

  • You prefer a provider with hundreds of customer reviews
  • You want a BBB-rated firm specifically
7Hattiesburg Heating Air & Electrical594.7 (25+)

Editorial: Hattiesburg Heating Air & Electrical lists heating, air, and electrical services on its public profile. The business shows a Google rating of 4.7 across 27 reviews. The company address is 101117 Hardy St in Hattiesburg, useful for local permit coordination. Hattiesburg's humid Gulf climate increases heating system condensation considerations in installations here.

Reviewers flag:
  • No public website listed
More: when to choose, when to consider alternatives

Consider alternatives if:

  • You prefer a provider with hundreds of customer reviews
  • You want a BBB-rated firm specifically
8Pierce Plumbing Heating & Air3.9 (55+)63+

Editorial: Pierce Plumbing Heating & Air traces roots back to 60+ years in business. The website lists Luxaire and Rheem equipment brands. Site material notes 24/7 emergency and same-day availability. Hattiesburg's humid Gulf-adjacent climate increases furnace and duct moisture demands. The site also says technicians respond quickly to service calls.

Strengths:
  • Long-established (63+ years in business)
  • Emergency response: 24/7
Reviewers flag:
  • Mixed customer sentiment (score 50/100)
More: when to choose, when to consider alternatives

Choose them if:

  • You need same-day or after-hours service
  • You value a long-tenured local operator (63+ years in business)

Consider alternatives if:

  • You require ratings above 4.0 (averages 3.9★)
  • You want a BBB-rated firm specifically

Score column blends public-record signals, customer reviews, and editorial assessment. Best for picks reflect our editorial weighting of those same signals against each category. See full methodology →

Typical Furnace Replacement costs in Hattiesburg, MS (2026)

Last updated

Estimated ranges for Hattiesburg, MS. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.

ServiceTypical range
Full gas furnace replacement (80% AFUE, installed)$2,150–$4,600
High-efficiency condensing furnace (95%+ AFUE, installed)$3,200–$6,750
Modulating / two-stage variable-speed (ECM) furnace upcharge$425–$1,400
Condensing-furnace venting + condensate conversion (80%->95% AFUE)$425–$1,300
Gas line / electrical / permit modification (changeout)$105–$640
Electric furnace / air-handler replacement (installed)$1,400–$3,550

How were Hattiesburg furnace replacement contractors evaluated for reliability and emergency response?

We evaluated 8 Hattiesburg furnace replacement contractors using Google review scores, advertised emergency response, and years in business. Key signals included Google review scores, stated emergency availability, years in business, and listed pricing or financing options when present.

  • Mingledorffs - Hattiesburg states emergency service available (24/7 advertised) and lists combustion-safety checks per their service tags.
  • Bellevue Air Conditioning, Heating & Electric, LLC lists flat-rate pricing and free estimates, and notes same-day emergency response on its site.
  • Jim Smith Services reports 30+ years in business and says financing is available for full-system replacements.
  • Pierce Plumbing Heating & Air notes 60+ years in business and states emergency service available (24/7 advertised).
  • Essco Air Conditioning & Heating lists free estimates, reports 45+ years in business, and states emergency response within 24 hours.

Summary observations combine Google review data and provider-stated service signals, with verification recommended through BBB records and direct inquiries.

How do I choose a Furnace Replacement Company in Hattiesburg?

  1. Verify license status and local complaints via state licensing board or state records.
  2. Compare Google review scores and recent review dates for reliability context.
  3. Confirm emergency response windows and any advertised 24/7 availability.
  4. Request written estimates and ask about flat-rate or financing options.
  5. Check listed safety checks, such as combustion analysis, on the estimate.

4 furnace replacement problems Hattiesburg homes face when the seasons flip

What are the most common furnace replacement problems in Hattiesburg? Hattiesburg's humid subtropical climate and variable seasonal loads accelerate corrosion, clogging, and short cycling in older furnaces, often making replacement necessary sooner than in drier regions. Homeowners should watch for rust, persistent poor heat, and safety warnings.

  • Corroded heat exchangers. High humidity in Hattiesburg promotes internal corrosion and rust, which can cause cracks or leaks that prompt replacement for safety reasons.
  • Short cycling and frequent blower runs. Warm, damp winters and rapid temperature swings force furnaces to cycle more often, wearing components and reducing system life.
  • Clogged condensate and drain components. Elevated indoor moisture in Hattiesburg increases condensate production and trap clogging, which can lead to frequent shutdowns and component failure.
  • Pilot ignition and corrosion-related electrical faults. Salt air and year-round humidity near Hattiesburg accelerate terminal and control-board corrosion, producing intermittent ignition faults that often require full replacement.
Warning: Persistent rust stains, repeated short cycling, or frequent safety lockouts are signs to schedule a professional inspection rather than delaying service.

Why Hattiesburg's population size and seasonal demand shape furnace replacement timing

Best furnace replacement companies in Hattiesburg, MS see elevated replacement demand because the humid subtropical climate and seasonal swings accelerate corrosion and short cycling, shortening equipment life and driving more emergency repairs and planned replacements than in drier climates.

How local demand affects affordable furnace replacement services in Hattiesburg, MS

Hattiesburg's humid winters increase internal corrosion and condensate issues in furnaces.

Corrosion and frequent cycling raise failure rates and shorten expected service life for common furnace types.

Evaluated providers respond with emergency service availability and proper-install tooling to reduce callback risk.

Many evaluated providers advertise emergency service availability and advertise licensing, bonding, and insurance.

Tip: Look for installers who document proper-install tooling and warranty terms when comparing quotes.

Which furnace replacement question do Hattiesburg residents ask most — permits, timing, or warranties?

How do I get a quote from these furnace replacement companies?
Submit one request on this page and we send it to the vetted furnace replacement pros in Hattiesburg, MS listed here. They send quotes back — no obligation.
Typical furnace replacement pricing in Hattiesburg, MS: what should I budget?
Full gas furnace replacement typically runs $2,150–$4,600, and high-efficiency condensing furnace runs $3,200–$6,750 in Hattiesburg, Mississippi. See the Furnace Replacement pricing table on this page for the full per-service breakdown.
Do Hattiesburg contractors need a business license and bond to replace a furnace?
Yes. A business license and bonding are required for contractors performing furnace replacement in Hattiesburg. Homeowners should ask providers to show a current city business license and proof of bonding. Verifying those documents helps confirm legal standing and reduces liability risk during installation. Providers who refuse to show licensing or bonding are higher risk for permit or warranty disputes.
Is insurance and workers' compensation required for furnace installers in Hattiesburg?
Yes. Contractors doing furnace replacements in Hattiesburg must carry insurance and workers' compensation. Request a certificate of insurance before work starts and check that it lists the contractor and covers bodily injury and property damage. This protects homeowners if a worker is injured or accidental damage occurs during installation. Keep the certificate with the project records.
When is the busiest season for furnace replacement work in Hattiesburg?
Late fall through early winter is typically the busiest season for furnace replacements in Hattiesburg. Demand rises as homeowners test heating systems for colder nights and discover failing equipment. Book inspections and replacement appointments before peak season to avoid long waits. For urgent failures, ask providers about emergency service availability and same-day replacement options.
How do I find a high-efficiency furnace specialist in Hattiesburg?
Look for installers who list high-efficiency systems and manufacturer-dealer relationships. Check for written warranty terms, proof of technician training on condensing furnaces, and recent customer feedback mentioning reduced fuel use. Compare quotes that include proposed efficiency ratings and expected installation scope. Request references for installations of similar homes and systems.
Do I need a licensed gas technician to replace a gas furnace in Hattiesburg?
Yes. A licensed gas technician should handle gas-furnace replacements in Hattiesburg. Confirm the installer holds relevant gas-handling credentials, follows local code, and files any required permits. Proper gas connection and combustion safety checks reduce carbon monoxide risk and help secure manufacturer warranty coverage. Ask for post-installation combustion and pressure test documentation.
Should furnace replacement be coordinated with an AC replacement in Hattiesburg homes?
Coordinating furnace and AC replacement often improves system compatibility and efficiency. If the outdoor unit or air handler is near end-of-life, pairing replacements avoids mismatched sizing and limits future disruption. Request a combined evaluation that covers airflow, ductwork condition, and shared controls. Compare single-vendor and split-vendor proposals for warranty and timeline differences.
What should I ask about same-day furnace replacement options in Hattiesburg?
Ask whether a provider offers same-day replacement, the scope of included work, and any advertised timelines. Confirm parts availability and whether the quoted price includes new thermostat setup and disposal of the old unit. Request written terms describing emergency response windows. Providers that advertise same-day service may still require an on-site assessment before final scheduling.
Are commercial furnace replacement rules different in Hattiesburg?
Yes. Commercial furnace projects often require different permits, bonding levels, and inspections than residential work. Verify the contractor's commercial experience and ask for examples of local commercial installs. Confirm that the firm carries appropriate commercial liability insurance and can coordinate inspections with local authorities. Documented experience reduces scheduling and code-risk for larger systems.

Last updated: