Best Furnace Replacement Companies in Green Bay, WI: 10.

Green Bay winters are long and often below freezing, so reliable heating is essential — choose one of the best furnace replacement companies in Green Bay, WI for proper sizing, code-compliant installation, and warranty clarity. Choosing one of the best furnace replacement companies in Green Bay Wisconsin helps ensure proper sizing and code-compliant installation. Homeowners should prioritize licensed installers, clear warranty terms, and transparent winter timelines.

Quick Picks

Best for Furnace + AC ChangeoutWesley Heating & Cooling
Furnace + AC full-system changeout
Vouched Score: 86
Best for Honest Replace-vs-RepairAma Heating and Air Conditioning
repair & replace options, free estimates
Best for High-Efficiency (95%+ AFUE) UpgradesGerondale Heating & Cooling
Yes
Best for Gas Furnace ReplacementGerondale Heating & Cooling
Gas furnace changeout + combustion safety

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

Which Green Bay "furnace replacement" pros dispatch same-day or offer 10-year warranties?

#ProviderScoreGoogleYearsBest for
1Apex Heating and Air Conditioning865.0 (725+)
★ Highest Vouched Score

Editorial: Apex Heating and Air Conditioning lists furnace replacement and full installations on its site. Founded in 2005, Apex reports 20+ years serving northeastern Wisconsin. Green Bay's cold winters make fast emergency heating repairs essential. Apex advertises 24-hour emergency service year-round. The website notes financing options for larger system changeouts.

Strengths:
  • High Google rating (5.0★ across 725 reviews)
  • Long-established (20+ years in business)
  • Emergency response: 24-hour
Reviewers praise:
  • punctuality
  • transparent pricing
  • fast emergency response
  • diagnostic transparency
When to choose them
  • You need same-day furnace replacement
  • You need same-day or after-hours service
  • You need to finance the work
  • You want a top-rated provider with substantial review history (5.0★, 725 reviews)
  • You value a long-tenured local operator (20+ years in business)
2Bay Area Services Inc804.8 (340+)45+

Editorial: Bay Area Services leads with a focused furnace replacement capability in Green Bay. The company notes 45+ years operating since 1981. Financing through Synchrony is listed for high-ticket changeouts. Green Bay winters make right-sized, reliable heating especially important for local homes. Their website references same-day emergency response availability.

Strengths:
  • High Google rating (4.8★ across 341 reviews)
  • Long-established (45+ years in business)
  • Emergency response: same-day
When to choose them
  • You need same-day furnace replacement
  • You need same-day or after-hours service
  • You need to finance the work
  • You value a long-tenured local operator (45+ years in business)
3Wesley Heating & Cooling784.9 (130+)75+
Furnace + AC Changeout

Editorial: Wesley Heating & Cooling lists furnace replacement and Lennox equipment on its website.

Strengths:
  • High Google rating (4.9★ across 130 reviews)
  • Long-established (75+ years in business)
  • Emergency response: 24-hour
When to choose them
  • You need same-day furnace replacement
  • You need same-day or after-hours service
  • You need to finance the work
  • You value a long-tenured local operator (75+ years in business)
4Gerondale Heating & Cooling744.9 (55+)
High-Efficiency (95%+ AFUE) UpgradesGas Furnace Replacement

Editorial: Gerondale lists modulating gas heat and a variable-speed blower on product pages. Gerondale says furnaces pair with compatible air conditioners for communicating systems. Gerondale lists 24/7 emergency service for Green Bay and nearby towns. Green Bay's cold winters make proper furnace commissioning and venting especially important.

Strengths:
  • High Google rating (4.9★ across 57 reviews)
  • Emergency response: 24/7
When to choose them
  • You need same-day or after-hours service
5Ama Heating and Air Conditioning714.6 (40+)49+
Honest Replace-vs-Repair

Editorial: Furnace replacement work is highlighted, with website details on full-system changeouts. The company notes high-efficiency furnace installation options and branded equipment. Ama ties service to Green Bay winters and local heating needs. The site states free estimates and on-site financing are available. Reviews and copy emphasize punctual crews and clear pre-job explanations.

Strengths:
  • Long-established (49+ years in business)
  • Emergency response: 24/7
  • Financing available
When to choose them
  • You need same-day or after-hours service
  • You need to finance the work
  • You value a long-tenured local operator (49+ years in business)
6Hurckman Heating & Cooling714.7 (55+)

Editorial: Furnace replacement focus supported by Carrier dealer status and local installs. Hurckman Heating & Cooling notes over 20 years serving area homes. The company advertises 24/7 emergency response for cold-weather breakdowns in Green Bay winters. The website lists financing with approved credit for high-ticket replacements. Local reviews cite long-term service agreements and punctual same-day responses.

Strengths:
  • High Google rating (4.7★ across 57 reviews)
  • Long-established (20+ years in business)
  • Emergency response: 24/7
Reviewers praise:
  • service agreements
  • same-day response
  • timely installations
  • courteous technicians
When to choose them
  • You need same-day or after-hours service
  • You need to finance the work
  • You value a long-tenured local operator (20+ years in business)
7Bay Heating Service, Inc.664.9 (45+)77+

Editorial: Bay Heating Service lists financing options for high-ticket furnace changeouts. Bay Heating Service traces its founding to 1949, operating 75+ years. Green Bay winters drive demand for winter emergency coverage during polar vortex conditions. The company notes a certified team of installers and an onsite showroom.

Strengths:
  • Long-established (77+ years in business)
  • Emergency response: 24-hour
  • Financing available
When to choose them
  • You need same-day or after-hours service
  • You need to finance the work
  • You value a long-tenured local operator (77+ years in business)
8Hurckman Mechanical Industries, Inc. - Production Office634.9 (15+)73+

Editorial: Hurckman Mechanical Industries lists industrial HVAC and mechanical contracting across Green Bay. Hurckman notes over 70+ years of operation in Wisconsin. Hurckman advertises 24/7 emergency service for urgent system failures. Hurckman highlights extensive project volume and safety metrics from local commercial work.

Strengths:
  • Long-established (73+ years in business)
  • Emergency response: 24/7
  • Satisfaction guarantee
Reviewers flag:
  • Smaller review history (17 Google reviews)
When to choose them
  • You need same-day or after-hours service
  • You prefer a family-owned operation
  • You value a long-tenured local operator (73+ years in business)
9Berkovitz Mechanical LLC635.0 (10+)46+

Editorial: Berkovitz Mechanical lists residential and commercial furnace installations and repairs. The company advertises heating maintenance plans for year-round reliability. The team reports about 80 years of combined HVAC experience. Green Bay's cold winters make dependable furnace sizing and service especially important.

Strengths:
  • Long-established (46+ years in business)
Reviewers flag:
  • Smaller review history (12 Google reviews)
When to choose them
  • You value a long-tenured local operator (46+ years in business)
10Hvac Maintenance (Veteran Owned)625.0 (9)30+

Editorial: Hvac Maintenance lists residential furnace replacement and HVAC supplies on its website. The business notes veteran ownership and 30+ years in operation. The site states licensed and insured credentials for commercial and residential work. Green Bay's cold winters make dependable heating important for installs and seasonal maintenance.

Strengths:
  • Long-established (30+ years in business)
Reviewers flag:
  • Smaller review history (9 Google reviews)
When to choose them
  • You value a long-tenured local operator (30+ years in business)

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 Green Bay, WI (2026)

Last updated

Estimated ranges for Green Bay, WI. 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)$2,900–$6,250
High-efficiency condensing furnace (95%+ AFUE, installed)$4,350–$9,150
Modulating / two-stage variable-speed (ECM) furnace upcharge$580–$1,950
Condensing-furnace venting + condensate conversion (80%->95% AFUE)$580–$1,750
Gas line / electrical / permit modification (changeout)$145–$865
Electric furnace / air-handler replacement (installed)$1,950–$4,800

How should Green Bay homeowners judge a furnace replacement contractor?

This guide evaluated 10 Green Bay furnace replacement providers on customer ratings, emergency response, warranties, years in business, and advertised services. Key signals were Google review scores, provider-stated emergency and financing options, and explicit warranty or satisfaction claims listed on provider pages.

  • Apex Heating and Air Conditioning states a 24-hour emergency response and lists financing options. This aligns with its 5.0/5.0 Google rating. (according to Google Maps data)
  • Wesley Heating & Cooling reports a satisfaction guarantee and 24-hour emergency response. It has 4.9/5.0 on Google and 75+ years in business.
  • Ama Heating and Air Conditioning advertises free estimates, financing, and honest assessments. It also notes high-efficiency equipment expertise.
  • Bay Area Services Inc lists same-day emergency response and financing, and shows 4.8/5.0 across many reviews.
  • Hurckman Mechanical Industries, Inc. — Production Office says it is family-owned and reports 24/7 emergency availability, per its listing details.

Use verified review data and explicit provider statements together when comparing offers and contracts.

How do I choose a Furnace Replacement Company in Green Bay?

  1. Verify the provider's Google rating and review count.
  2. Compare quoted warranties and any advertised satisfaction guarantees.
  3. Confirm emergency response windows and any overtime policies.
  4. Request written estimates that list equipment models and efficiency ratings.
  5. Check whether financing or free-estimate options are offered.

5 furnace replacement headaches Green Bay houses trigger in winter

Common furnace replacement problems in Green Bay arise from prolonged sub-freezing winters and heavy system use. Long cold spells expose aging furnaces, frozen condensate lines, and rapid wear on components, which often lead homeowners to need full replacements rather than piecemeal repairs during peak heating season.

  • Failed heat exchangers: Extended cold-weather operation in Green Bay forces older heat exchangers to crack from thermal cycling, creating safety risks and prompting replacement.
  • Frequent ignition or pilot failures: Repeated cold starts during long winters stress ignition systems, causing unreliable starts that often reveal broader furnace aging.
  • Frozen or blocked condensate lines: Below-freezing temperatures in Green Bay freeze condensate drains on high-efficiency furnaces, causing backups and water damage that can necessitate replacement of affected components.
  • Worn blower motors and belts: Continuous winter runtime in Green Bay accelerates motor and belt wear, reducing airflow and efficiency and making replacement more cost-effective than repair.
  • Corroded flue and venting: Prolonged furnace operation through Green Bay winters increases condensation and corrosion in venting, compromising safe exhaust and often requiring full system replacement.
If a furnace repeatedly fails during a Green Bay cold snap, consider a professional assessment before the next heavy freeze to avoid emergency replacement on the coldest days.

Why Green Bay's heating season, local licensing, and population density change replacement priorities

Long, below-freezing Green Bay winters drive heavier furnace runtime and earlier component failure. This demand pushes homeowners toward contractors who advertise furnace-specific equipment experience and emergency service availability, and who comply with local licensing, bonding, and insurance requirements for safe, timely replacements.

Green Bay's prolonged cold season increases annual run hours on furnaces. More runtime accelerates wear on heat exchangers, blowers, and ignition systems.

Higher failure risk makes emergency service critical. Evaluated providers show many offer emergency service availability. Homeowners should prioritize contractors who list emergency service availability when seeking a licensed furnace replacement contractor Green Bay Wisconsin.

Local licensing and permits require business license, bonding, and insurance. Look for contractors who note insurance and bonding on estimates. That paperwork reduces liability during replacement work.

The local population includes many older single-family and multiunit buildings. Dense housing often needs precise load calculations and proper venting upgrades. Seek providers experienced with multiple furnace types and with equipment knowledge labeled "Furnace Type" in listings.

Ask for proof of bonding, insurance, and written emergency response times when requesting a quote or scheduling a replacement.

What do Green Bay homeowners ask most about furnace replacement?

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 Green Bay, WI listed here. They send quotes back — no obligation.
What does furnace replacement service typically run in Green Bay, WI?
Full gas furnace replacement typically runs $2,900–$6,250, and high-efficiency condensing furnace runs $4,350–$9,150 in Green Bay, Wisconsin. See the Furnace Replacement pricing table on this page for the full per-service breakdown.
Do Green Bay furnace replacement contractors need a city business license and bond?
Yes. They must hold a current business license and maintain the required bond. Homeowners should ask to see the contractor's current business license and bonding certificate before scheduling replacement work.
Is insurance and workers' compensation required for furnace replacement work in Green Bay?
Yes. Green Bay requires contractors to carry insurance and workers' compensation for replacement projects. Request proof of insurance and a workers' comp certificate with the estimate to reduce homeowner liability during installation.
When is the busiest season for furnace replacement companies in Green Bay?
Peak demand begins with the start of sustained below-freezing weather; schedule before the cold season.
How do I find a high-efficiency furnace specialist in Green Bay?
Look for contractors who list high-efficiency installs and who can show manufacturer-dealer status or training certificates. Verify written load calculations, efficiency ratings, and past-installation references before signing a contract.
What should I check when hiring a contractor for a gas furnace replacement in Green Bay?
Confirm the contractor is licensed, bonded, and insured and that technicians are experienced with gas systems. Ask for a gas-line pressure check, combustion testing, and proof of proper venting on the written estimate.
Are oil furnace replacements common in Green Bay and what should homeowners watch for?
Oil furnaces are less common but still present in some Green Bay homes. Homeowners should ask about oil-tank safety, proper burner setup, and whether the installer follows local disposal and fuel-handling practices.
How should Green Bay homeowners vet contractors who offer furnace and AC replacement together?
Check that the contractor documents matched-system design for both heating and cooling. Request separate line items for furnace and AC work, and confirm warranties cover both systems on the final contract.
What does "same-day replacement" usually mean for Green Bay furnace jobs?
“Same-day replacement” typically means a contractor can remove a failed unit and install a replacement within one business day when parts and unit stock are available. Confirm parts availability and any additional labor or permit timelines before committing.

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