20 Best HVAC Companies in Green Bay, WI (2026)
Why Green Bay, Wisconsin's heating cycle makes regular HVAC checks essential
Green Bay's heating cycle makes regular HVAC checks essential. Homeowners searching for best HVAC companies in Green Bay, WI should schedule seasonal inspections since demand and availability change with the seasons. Look for licensed hvac contractor green bay wi listings and providers that advertise warranties and emergency service availability.
Which Green Bay HVAC pros actually back service with long review histories and warranties?
| # | Provider | Score | Years | Best for | |
|---|---|---|---|---|---|
| 1 | AApex Heating and Air Conditioning | 86 | 5.0 (725+) | ★ Highest Vouched Score | |
Editorial: Apex Heating and Air Conditioning appears first in Google local results for Green Bay HVAC. Strengths:
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| 2 | BBay Area Services Inc | 79 | 4.8 (340+) | 45+ | Mini-Splits / DuctlessFinancing Options |
Editorial: Bay Area Services highlights ductless mini-split installations and retrofit experience. The company traces roots to Green Bay since 1981, 45+ years. Bay Area Services lists financing through Synchrony for larger replacements. The site advertises same-day emergency repairs for cold-weather heating calls. Strengths:
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| 3 | WWesley Heating & Cooling | 79 | 4.9 (130+) | 75+ | Heat Pumps |
Editorial: Wesley Heating & Cooling's website emphasizes AC repair and system installation services. The company records show 75+ years operating since 1951. Multiple locations tie the business to Green Bay, Oshkosh, and Fond du Lac communities. The site advertises 24-hour emergency response and mentions financing options for replacements. Strengths:
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| 4 | GGerondale Heating & Cooling | 73 | 4.9 (55+) | ||
Editorial: Gerondale states they provide emergency HVAC response, day or night. Their website lists ENERGY STAR-qualified furnaces and air conditioners. The company lists whole-house filtration and humidification sales and service. Green Bay homeowners face long, cold winters and this firm notes 24/7 emergency coverage for no-heat calls. Strengths:
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| 5 | AAma Heating and Air Conditioning | 71 | 4.6 (40+) | 49+ | Furnace RepairSmart Thermostat Install |
Editorial: Ama Heating states mini-split systems experience, including Mitsubishi ductless installs. Ama Heating has 45+ years serving Green Bay-area homes. Ama Heating lists emergency response for no-heat calls and urgent repairs. Ama Heating says financing options and free estimates are available on their site. Green Bay's cold winters make reliable furnace service essential. Strengths:
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| 6 | HHurckman Heating & Cooling | 69 | 4.7 (55+) | New System Installation | |
Editorial: Mini-split installations and ductless retrofits noted across their site and service pages. Carrier Authorized Dealer status is listed on their homepage. Green Bay winters make reliable heating essential for basements and older homes. Hurckman advertises emergency service available, including 24/7 response. Local reviewers describe quick technician response and fast repairs. Strengths:
Reviewers praise:
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| 7 | BBay Heating Service, Inc. | 67 | 4.9 (45+) | 77+ | |
Editorial: AC repair focus: Bay Heating Service lists routine air conditioning repair and replacement work. Strengths:
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| 8 | HHurckman Mechanical Industries, Inc. - Production Office | 66 | 4.9 (15+) | 73+ | |
Editorial: Hurckman states they provide design/build HVAC and industrial system installation services. The company notes a long tenure, operating over 70+ years. Hurckman lists Indoor Air Quality among its specialties. Hurckman reports a strong safety record and large project experience across Green Bay industrial sites. Strengths:
Reviewers flag:
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| 9 | BBerkovitz Mechanical LLC | 63 | 5.0 (10+) | 46+ | |
Editorial: Berkovitz Mechanical emphasizes commercial and rooftop unit expertise. The team reports 45+ years combined HVAC experience. Berkovitz advertises maintenance plans for seasonal system upkeep. Green Bay winters make reliable heating service essential near this shop. Several reviewers note fast, professional repair visits. Strengths:
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| 10 | HHvac Maintenance (Veteran Owned) | 62 | 5.0 (9) | 30+ | Ductwork & Sealing |
Editorial: Ac repair and residential replacement services are listed on the website. Hvac Maintenance lists over 30 years in business. Veteran owned and operated is noted on the homepage. Green Bay's cold winters increase furnace and emergency heating demand. Strengths:
Reviewers flag:
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| 11 | GGroeschel Heating & Air Conditioning Green Bay | 52 | 4.6 (7) | ||
Editorial: Groeschel Heating & Air Conditioning Green Bay is based on S Webster Avenue in Green Bay. The company’s Google profile shows a 4.6-star average from seven reviews. Green Bay's cold winters make reliable heating service essential for homeowners. Google Maps position nine suggests modest local visibility compared with larger competitors. Reviewers flag:
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Typical HVAC 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.
| Service | Typical range |
|---|---|
| AC repair (typical service call) | $145–$625 |
| Furnace repair | $145–$865 |
| Tune-up / annual maintenance visit | $85–$195 |
| Full AC system replacement (3-ton, installed) | $5,300–$12,500 |
| Furnace replacement (installed) | $2,900–$8,200 |
| Heat pump installation | $4,800–$13,950 |
| Mini-split (single-zone, installed) | $2,400–$6,250 |
| Duct cleaning (whole-home) | $335–$770 |
| Duct sealing (Aeroseal or similar) | $1,450–$3,350 |
| Whole-house humidifier (installed) | $385–$2,400 |
| Whole-house dehumidifier (installed) | $1,450–$3,350 |
| Emergency / after-hours service premium | $145–$480 |
See how Green Bay compares to 90+ US cities: HVAC Cost Index →
Nearby Wisconsin hvac pricing: Appleton · Eau Claire · Fond Du Lac
See broader context: HVAC pricing in Wisconsin · HVAC pricing nationwide
What evaluation steps determine a reliable Green Bay HVAC pick?
This guide evaluated 11 Green Bay HVAC providers on Google review signals, years in business, emergency response, manufacturer-dealer status, financing options, IAQ offerings, and maintenance plans. The analysis used Google Maps review data and provider-stated service details to compare observable credentials and service scope.
- Apex Heating and Air Conditioning shows strong review sentiment, per Google Maps data.
- Bay Area Services Inc lists same-day emergency response and financing options on its website.
- Wesley Heating & Cooling states 24-hour emergency service and long tenure, per provider materials.
- Hurckman Heating & Cooling notes a Carrier Authorized Dealer designation on its profile.
- Ama Heating and Air Conditioning reports free estimates, 24/7 emergency response, and financing availability.
Compare Google reviews with the specific, provider-stated credentials and service terms before selecting a contractor.
How do I choose a HVAC Company in Green Bay?
- Verify licensing and manufacturer-dealer status on provider pages.
- Compare Google review counts and average ratings.
- Confirm emergency response windows and warranty terms in writing.
- Request free estimates and compare scope, not just price.
- Check maintenance plans and IAQ services if long-term care matters.
5 HVAC problems Green Bay homeowners report during seasonal transitions
The most common HVAC problems in Green Bay are heating failures and moisture-related issues caused by long, cold winters and frequent freeze-thaw cycles. Homeowners searching for affordable HVAC services in Green Bay, WI often see these faults appear during spring and fall system changeovers.
- Heat exchanger stress and failure. Prolonged cold runs during Green Bay winters push furnaces hard, which can warp or crack heat exchangers over time and cause mid-winter breakdowns.
- Frozen condensate and blocked drain lines. Freeze-thaw swings in Green Bay often ice condensate traps and drain lines, leading to water backups and condensate overflow when temperatures rise.
- Short-cycling at season change. Rapid temperature swings in spring and fall make systems cycle frequently, which increases wear and reduces efficiency in Green Bay homes.
- Moisture, mold, and corroded coils. Humid summers followed by cold shoulder seasons increase indoor moisture, which promotes mold in ducts and corrosion on evaporator coils in Green Bay.
- Thermostat and control failures after storm outages. Winter storms in Green Bay can cause brief power interruptions that corrupt thermostat settings or damage control boards, producing erratic heating behavior.
How Green Bay’s population and licensing rules shape local HVAC availability
Green Bay’s cold winters and a population around 106,846 increase demand for dependable heating service. Licensing and bonding requirements mean homeowners should prioritize licensed contractors with emergency service capability and high-efficiency equipment to reduce breakdown risk and long-term fuel costs.
Green Bay's long, cold heating season drives heavy furnace use. That increases mid-winter failures and service demand.
Local licensing and bonding requirements mean many evaluated providers maintain insurance and compliant business practices. Homeowners should verify business licenses and proof of insurance before hiring.
Because emergency outages peak in winter, many local companies advertise emergency service availability. About 45% of evaluated providers list emergency service options, so ask about after-hours response when requesting estimates.
Energy costs and aging homes push demand for high-efficiency systems, zoning, and smart thermostats. Several evaluated companies list high-efficiency equipment, zoning systems, and smart thermostat installs as core capabilities.
Carrier dealer certification appears among evaluated providers. Look for dealer or manufacturer-authorized credentials when comparing system replacements and warranty terms.
How quickly can a Green Bay HVAC contractor respond to an emergency, and what should I ask?
- 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 Green Bay, WI listed here. They send quotes back — no obligation.
- What does HVAC service typically run in Green Bay, WI?
- Heat pump installation typically runs $4,800–$13,950, and furnace repair runs $145–$865 in Green Bay, Wisconsin. See the HVAC pricing table on this page for the full per-service breakdown.
- How fast can a Green Bay HVAC contractor typically respond to a winter heating emergency?
- Many contractors aim to respond same day during business hours. Peak demand in Green Bay's cold months can delay arrival times. Ask the dispatcher for an estimated arrival window, whether techs carry common replacement parts, and any additional after-hours fees.
- What questions should I ask before a contractor arrives for an emergency heating call?
- Ask whether the contractor is licensed and bonded, carries workers' compensation, and has general liability insurance. Confirm estimated arrival time, technician certifications, and whether they can provide a written estimate before repairs. Also ask if the technician will perform a safety check for carbon monoxide and combustion issues on gas furnaces.
- Do Green Bay HVAC companies require a business license and bonding for furnace replacement work?
- Yes. Green Bay requires business licensing and bonding for contractors performing HVAC work. Homeowners should request sight of the contractor's city business license and bonding confirmation. Keeping copies helps if a permit or inspection is needed after a major replacement.
- Is workers' compensation and insurance required for HVAC contractors in Green Bay?
- Yes. Contractors doing HVAC work in Green Bay must carry insurance and workers' compensation. Ask to see proof of insurance and the workers' compensation policy before letting crews enter the property. A licensed and insured contractor reduces homeowner liability if a worker is injured on site.
- When is Green Bay's HVAC busy season and how does it affect scheduling?
- Green Bay's busy season centers on the coldest months when heating systems run continuously. That increases service demand and can extend lead times for non-emergency appointments. Schedule preventive maintenance in shoulder seasons to avoid peak delays and to secure preferred appointment windows.
- How do I find a contractor in Green Bay who specializes in heat pumps or mini-splits?
- Look for contractors who advertise manufacturer-dealer status, specific heat-pump training, and documented installation experience. Ask for recent local job references and photos showing completed mini-split or heat-pump installs. Verify warranty handling and whether the contractor registers equipment with the manufacturer.
- What indoor air quality services do Green Bay HVAC companies commonly offer?
- Common services include filter upgrades, whole-house ventilation, humidification, and duct cleaning. Many evaluated providers list indoor air quality work alongside system tune-ups. Ask which IAQ measures fit the home's layout and whether the contractor performs duct inspections before recommending cleaning.
- What should a homeowner expect during a diagnostic visit from a Green Bay HVAC technician?
- The technician will inspect system components, test electrical and refrigerant systems, and check airflow and vents. Expect a written diagnosis and a scoped list of recommended repairs or maintenance tasks. Request that any safety concerns be documented and prioritized in the written report.