Our furnace quit on the coldest night of the year. They answered, came out, and had us warm before bed. No upcharge, no drama.
Oshkosh, Wisconsin · Since 2010
Wisconsin weather.
Meet its match.
Heating, cooling, and cleaner air for Oshkosh homes — installed and serviced by a local crew that answers the phone and stands behind the work.
- Same-day service
- Upfront pricing
- Licensed & insured
On the job · Oshkosh
Licensed & insuredWisconsin HVAC contractor
NATE-certified techsOn every service call
Upfront pricingApprove before we start
24/7 emergencyA real person answers
Black Wolf is a heating and air company in Oshkosh, Wisconsin — small enough to know your street, equipped to handle anything a Wisconsin season throws at it.
We don’t sell you a system before we’ve measured the house. We don’t leave until the temperature is right and the work is explained. And when the heat quits at 2 a.m., we answer the phone.
That’s not a marketing promise. It’s the reason our neighbors call us back.
— The Black Wolf crew
15+Years serving the Fox Valley
2,400+Homes heated & cooled
4.9/5Average local review
24/7Emergency line answered
What we do
Every degree, handled.
From a no-heat call in January to a heat-pump upgrade in June, one local crew covers the systems that keep your house livable.
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Furnace & boiler service
Repairs, tune-ups, and replacements for gas furnaces, boilers, and high-efficiency systems.Air conditioning
Diagnostics, repairs, and right-sized replacements that actually keep up in July.Heat pumps & mini-splits
Cold-climate heat pumps and ductless systems, installed for a Wisconsin winter.Indoor air quality
Whole-home humidifiers, filtration, and ventilation for drier, cleaner air.Ductwork & airflow
Sealing, insulation, and balancing to fix hot rooms and high bills.Maintenance plans
Two seasonal visits a year, priority scheduling, and fewer surprises.
Heat pump ready
The right heat pump.
Not the trendy one.
Cold-climate heat pumps have changed the math for Wisconsin homes. We’ll run the load calculation, check your ducts and electrical, and tell you honestly whether a heat pump, a hybrid system, or a furnace is the better investment.
- Cold-climate systems sized for our design temperatures
- Focus on Energy and federal incentive paperwork, handled
- A clear side-by-side comparison before you commit
Ask about heat pumps
Free replacement estimate
When the heat stops
It’s not the cold.
It’s the wait.
When the heat goes out at 2 a.m., a voicemail isn’t comfort. We answer, diagnose the problem, and get you warm — without an overtime surprise.
A real person answers — day or night.
The visit
Four steps. No runaround.
You’ll know the price before we start, and you’ll know exactly what we found. No “we’ll see when we get in there.”
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01
Tell us what’s happening
Call or send the form. We’ll ask a few questions and get you on the schedule.
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Pick a window
Same-day slots are common. We confirm by text and call ahead when we’re on the way.
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03
We diagnose in person
A NATE-certified tech tests the system, explains the findings, and gives you a flat price before any work starts.
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04
Fix it, explain it, stand behind it
We make the repair, show you what changed, and leave the work area cleaner than we found it.
The price you approve is the price you pay. No hourly surprises, and no pressure to replace something that can be fixed.
The Comfort Club
Priority serviceMaintenance that pays for itself.
Two visits a year keep small problems from becoming emergency calls — and keep your system running at its best in July and January.
$16
/ month
- Two seasonal tune-ups
- Priority scheduling
- 15% off repairs
- No after-hours fees
- Filter change reminders
- Transferable if you move
Sample plan and pricing for this demo. Cancel anytime.
Neighbors, not strangers
Good work travels.
Two companies told us to replace everything. Black Wolf found the return-air problem for a fraction of the cost.
Clear quote, clean install, and they walked me through the new thermostat. The upstairs finally matches the downstairs.
Reviews are illustrative for this demo concept.
Where we work
Based in Oshkosh.
At home around the lake.
Our shop is in Oshkosh, and most of our calls are within a half-hour drive. If you’re on the lake or just off it, we probably cover you.
- Oshkosh
- Neenah
- Menasha
- Appleton
- Omro
- Winneconne
- Ripon
- Fond du Lac
- Berlin
- Greenville
- Little Chute
- Kaukauna
Not on the list? Call (920) 555‑0148 — we’ll tell you straight.
Service areaOshkosh + ~30 miles
Oshkosh HQ
Same-day available
Good questions
Good questions.
Straight answers.
Still not sure what you need? Call us. We’d rather talk you out of an unnecessary repair than sell you one.
Call (920) 555‑0148How soon can you get to my house?
Most days we can offer same-day service. No-heat and no-cool calls go to the front of the line, and our emergency line is answered 24/7.
What does a service call cost?
We charge a flat diagnostic fee, and we credit it toward the repair when you approve the work. You’ll see the full price before we start — not after.
Should I repair or replace?
It depends on age, efficiency, refrigerant type, and repair history. We’ll show you the math both ways — including what a repair buys you in time — so you can decide without pressure.
Do you install heat pumps?
Yes. Cold-climate heat pumps and ductless mini-splits are a big part of what we do. We’ll check your ducts, electrical, and insulation before recommending equipment.
What brands do you service?
All major residential brands, including Carrier, Trane, Lennox, Rheem, Bryant, and Mitsubishi. If it heats or cools a house, we can look at it.
Are you licensed and insured?
Yes — licensed and insured in Wisconsin, with NATE-certified technicians and EPA-certified refrigerant handling. Ask for the details; we’re happy to show them.
Book a visit
Let’s get your house
comfortable.
Tell us what’s going on. We’ll call to confirm a window and give you a straight answer about what it takes to fix it.
- Call(920) 555‑0148
- Emailhello@blackwolfhvac.com
- Hours
Mon–Fri 7 a.m.–6 p.m.
Sat 8 a.m.–2 p.m. · Emergency 24/7 - Shop
Oshkosh, WI 54901
Serving the Fox Valley
No commissioned salespeople. No pressure. Just a straight answer and a flat price.