11 Vetted Heat Pump Installation Companies in Oshkosh, WI.
Why Oshkosh, Wisconsin Winters Make Heat Pump Installation Different
Oshkosh's long, cold winters and frequent subfreezing stretches drive demand for resilient heating systems, changing equipment sizing and defrost strategies. Homeowners searching for the best heat pump installation companies in Oshkosh, WI should expect contractors to account for low-temperature performance, backup heat, and weather-ready installation practices.
Which Oshkosh, Wisconsin installers stand out on response, reviews, and warranties?
| # | Provider | Score | Years | |
|---|---|---|---|---|
| 1 | MMr. Appliance of Oshkosh | 75 | 4.9 (150+) | |
Editorial: Transparent pricing is emphasized, with upfront flat-rate pricing noted on their site. The Neighborly franchise network connection appears on local pages. Mr. Appliance of Oshkosh lists 24/7 emergency service on its storefront. The company advertises a one-year parts and labor warranty. Review feedback mentions good communication and prompt appointments from local customers. Strengths:
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| 2 | OOSHKOSH HEATING & AIR, LLC | 73 | 4.8 (145+) | 20+ |
Editorial: Ducted heat pump installation is listed as a core residential specialization. Owner Grant Schultz is listed as a master HVAC technician. Oshkosh winters and Focus on Energy rebates shape efficient heating choices locally. The website notes financing options for higher-ticket installs and replacements. Strengths:
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| 3 | AA&BE Heating and Cooling, LLC | 68 | 4.7 (80+) | |
Editorial: A&BE installs central and ductless cooling systems, including Everrest Elite models. Emergency response is listed, with 24-hour service stated. A&BE advertises a one-year workmanship guarantee on installations. Oshkosh winters drive heating demand, and A&BE notes Focus on Energy rebate participation. Strengths:
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| 4 | KKurt Zentner & Sons, Inc. | 68 | 5.0 (35+) | 101+ |
Editorial: Kurt Zentner & Sons advertises free estimates for HVAC and plumbing work. The company traces its roots to 1925, serving over 100+ years. Kurt Zentner & Sons highlights licensed technicians on staff. Oshkosh winters demand reliable heating service, and the company lists heating work for Winnebago County. Strengths:
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| 5 | TThompson Heating and Cooling Services | 65 | 5.0 (25+) | |
Editorial: Thompson Heating and Cooling Services lists ducted heat-pump installation services. The company shows a 5.0 Google rating from 27 reviewers. A local office at 901 Otter Ave places them near Oshkosh neighborhoods by Lake Winnebago. Google Maps position five indicates regular local visibility in Oshkosh searches. Reviewers flag:
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| 6 | AAnderson HVAC LLC | 64 | 4.8 (30+) | 20+ |
Editorial: Ducted air-source heat pump installation is listed as a core specialization on their site. Strengths:
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| 7 | GGartman Mechanical Services | 60 | 4.4 (55+) | |
Editorial: Manual J load calculations are listed on Gartman Mechanical's site. The company advertises 24-hour emergency response. Gartman Mechanical lists free estimates for residential and commercial work. Oshkosh winters demand careful sizing and the firm's load-calculation claim ties to local needs. Testimonials praise fast response and quick system restoration after outages. Strengths:
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| 8 | AAndresen Sheet Metal Heating & Cooling | 59 | 5.0 (8) | |
Editorial: Andresen Sheet Metal Heating & Cooling lists heating and cooling services on its website. Andresen's office is at 2913 Witzel Ave in Oshkosh. Oshkosh winters make accurate heat-pump sizing important for efficient heating. Online customer feedback shows uniformly positive experiences across recent reviews. Reviewers flag:
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| 9 | MMerten Plumbing & Heating Inc. | 54 | 4.6 (10) | |
Editorial: Merten Plumbing & Heating notes family ownership across multiple generations. The company states hydronic and heating expertise, including radiant systems. Oshkosh winters demand reliable heat, and Merten cites rapid winter-response capability. Website review excerpts emphasize quick emergency arrivals and clear on-site explanations. Strengths:
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| 10 | WWesley Heating & Cooling | 52 | 4.3 (25+) | 75+ |
Editorial: Wesley Heating & Cooling lists financing options for larger installs, per their site. Wesley Heating & Cooling dates back to 1951, serving the region 75+ years. Wesley Heating & Cooling notes 24-hour emergency and same-day service availability. Wesley Heating & Cooling highlights Lennox product lines on its equipment pages. Strengths:
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| 11 | HHeating & Cooling | — | 3.7 (6) | 20+ |
Editorial: Ducted air-source heat pump installation capability is listed on the company website. Strengths:
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Typical Heat Pump Installation costs in Oshkosh, WI (2026)
Last updated
Estimated ranges for Oshkosh, WI. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| Ducted air-source heat pump + air handler, full system (installed) | $7,900–$15,750 |
| Premium variable-speed / inverter system (installed) | $14,750–$24,600 |
| Cold-climate (hyper-heat) premium (over standard air-source) | $1,500–$3,950 |
| Air handler replacement (paired with heat pump) | $1,500–$3,450 |
| Ductwork modification (resize / re-balance per Manual D) | $590–$2,150 |
| Geothermal (ground-source) system — premium alternative (installed) | $14,750–$34,450 |
| Geothermal loop field — drilling/trenching (per ft installed) | $10–$35 |
Nearby Wisconsin heat pump installation pricing: Appleton · Eau Claire · Fond Du Lac
See broader context: Heat Pump Installation pricing in Wisconsin · Heat Pump Installation pricing nationwide
How were these Oshkosh installers evaluated and what should you prioritize?
This guide evaluated 11 Oshkosh heat pump installation providers on review score, emergency availability, warranty and pricing models, financing, and technical checks like Manual J sizing. The analysis prioritized verifiable signals and advertised service terms to help compare reliability and technical competence across providers.
- Google review data drove reputation signals. Mr. Appliance of Oshkosh shows 4.9/5.0 across 150+ reviews, according to Google Maps data.
- OSHKOSH HEATING & AIR, LLC lists financing and heat-pump specialization and notes 20+ years in business.
- Kurt Zentner & Sons, Inc. states they offer free estimates and reports 100+ years in business.
- Anderson HVAC LLC advertises free estimates, 24/7 emergency response, and financing options.
- Gartman Mechanical Services notes Manual J sizing and free estimates on its service list.
Readers should prioritize providers that combine strong review scores with technical checks, clear pricing, and emergency coverage, per Google Maps data and per BBB records.
How do I choose a Heat Pump Installation Company in Oshkosh?
- Verify licensing and local credentials with the state registry.
- Compare written estimates side-by-side for equipment and labor costs.
- Confirm whether the provider performs Manual J load calculations.
- Request financing and warranty terms in writing before booking.
- Check recent Google reviews for response times and warranty follow-up.
5 heat pump issues Oshkosh homeowners see after winter and what to watch for
Oshkosh's most common heat pump problems are coil icing, increased defrost cycling, and reduced heating capacity caused by the city's long, subfreezing winters. After winter, homeowners often notice lower output, frozen outdoor coils, or unusual noises that indicate a technician should inspect the unit. Consider affordable heat pump installation services Oshkosh WI for a post-winter diagnostic if issues persist.
- Frozen or iced outdoor coils. Prolonged subfreezing stretches in Oshkosh cause ice buildup on outdoor units and strain defrost cycles, reducing heat transfer and runtime.
- Excessive defrost cycles. Repeated defrosting after Oshkosh cold snaps shortens runtime and can indicate improper defrost settings or sensor issues that require adjustment.
- Loss of low-temperature capacity. Heat pumps often deliver less heat after Oshkosh winters; reduced capacity can stem from undersized equipment or degraded refrigerant charge.
- Refrigerant leaks made worse by thermal stress. Rapid freeze-thaw in Oshkosh can open minor joints, causing slow leaks that cut efficiency and require leak testing and repair.
- Frozen condensate or drainage problems. Subfreezing outdoor conditions in Oshkosh can block condensate paths, causing water to back up and trigger safety shutdowns or indoor dampness.
What Oshkosh’s population and seasonal swings mean for Heat Pump Installation timing
Oshkosh's long winters and steep seasonal swings increase demand for heat pump installs timed before deep cold. Installations scheduled in autumn reduce risk of winter performance loss and allow proper cold-weather sizing and defrost setup. Homeowners should compare local heat pump installation reviews Oshkosh WI to pick qualified contractors.
Long subfreezing stretches are the dominant local condition.
They increase coil icing risk, shorten runtime, and stress defrost cycles.
Evaluated providers show capability in cold-climate setups and defrost tuning.
Some providers advertise emergency service availability, while the shortlist averages 4.4/5.0 across listed reviews.
Look for contractors who document low-temperature performance, warranty terms, and refrigerant leak testing.
Compare evaluated providers or request a free quote before scheduling an autumn installation.
What Oshkosh homeowners ask about Heat Pump Installation — fast answers
- How do I get a quote from these heat pump installation companies?
- Submit one request on this page and we send it to the vetted heat pump installation pros in Oshkosh, WI listed here. They send quotes back — no obligation.
- What does heat pump installation service typically run in Oshkosh, WI?
- Ducted air-source heat pump + air handler, full system typically runs $7,900–$15,750, and geothermal system — premium alternative runs $14,750–$34,450 in Oshkosh, Wisconsin. See the Heat Pump Installation pricing table on this page for the full per-service breakdown.
- Do Oshkosh heat pump installers need a city business license and bond?
- Yes. Installers working in Oshkosh must hold a business license and be bonded. This requirement helps ensure contractors meet local registration standards. Verify a provider's license and bonding before signing a contract. Ask to see current paperwork and confirm coverage dates, and check for active insurance and workers' compensation as part of the same verification step.
- Is liability insurance and workers' compensation required for Oshkosh installers?
- Yes. Oshkosh requires contractors to carry liability insurance and workers' compensation. Proof of insurance protects homeowners from workplace injuries and property damage claims. Request certificates of insurance and note policy limits and effective dates. If a provider hesitates to provide documentation, consider alternate contractors who supply clear, current insurance proof.
- When is the best time to schedule a heat pump installation in Oshkosh?
- Schedule installations in autumn before sustained subfreezing weather begins. Early scheduling reduces risk of winter performance loss and allows proper cold-climate sizing and defrost configuration. Avoid late-winter bookings when demand and emergency repairs rise. Compare evaluated providers and request a free quote to reserve an autumn slot.
- How busy do Oshkosh heat pump companies get during seasonal swings?
- Local demand spikes before and during the cold season, especially in autumn and early winter. This seasonality can lengthen lead times and raise scheduling urgency. Book inspections and installations early, and ask contractors about current lead times. Providers with documented cold-climate experience may offer better timing and fewer callbacks.
- How should homeowners choose a heat pump installation contractor in Oshkosh?
- Look for contractors who document cold-weather performance, warranty terms, and refrigerant leak testing. Check Google reviews, years in business, and whether the installer shows cold-climate tuning experience. Confirm licensing, bonding, and insurance. Ask for references from recent Oshkosh installs and request a written scope and warranty before signing a contract.
- Do Oshkosh installers offer cold-climate or dual-fuel heat pump options?
- Many Oshkosh installers advertise cold-climate tuning and dual-fuel system options. These configurations improve low-temperature heating performance and reduce backup fossil-fuel use. When evaluating providers, ask about low-temperature capacity curves, defrost strategies, and how they integrate a gas furnace or boiler for a dual-fuel setup.
- How can homeowners find qualified geothermal heat pump specialists for Oshkosh installs?
- Search for specialists with documented geothermal project experience and relevant manufacturer or dealer certifications. Ask candidates for recent geothermal references and a clear explanation of loop-field design. Verify local licensing and bonding, and request a soil or site feasibility assessment. Geothermal proposals should include loop type, bore counts, and estimated ground-source performance data.
- Are emergency service or rapid-response installs commonly available in Oshkosh?
- Some Oshkosh providers advertise emergency service availability. Around 18% of evaluated providers list emergency service in their profiles. Homeowners needing urgent repair should confirm response windows and any separate emergency fees. Keep a backup contact for after-hours service and ask providers what qualifies as an emergency.