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Get nice and toasty

Your heating system is in professional, reliable hands:


  • Furnaces
  • Boilers
  • Gas systems
  • Oil systems
  • Heat pumps
  • Thermostats

You can handle cold temperatures, but you should always be comfortable inside your home or business. When you need a high-quality heating system that'll keep you warm no matter how much the temperature drops, Oshkosh Heating & Air, LLC is the best HVAC contractor for the job.


Our owner and furnace replacement specialist, Grant Schultz, has more than 20 years of experience to utilize

in your residential heating project. So whether you need

an entirely new system or a simple repair, you've found

the right team for the job.


You shouldn't have to go bankrupt  to have a heater that works. You could potentially save money when you take advantage of our available discounts as well as our very competitive prices. Our fully licensed, bonded and insured company is here to make sure everything runs smoothly and that you wind up with a comfortable home.

Beat the heat

Don't forget to ask about our available discounts
when you want to save on:


  • Air conditioning systems
  • Central air systems
  • Ductless units
  • Thermostats

Even if it’s hot outside, you should be able to relax comfortably inside your home. If your air conditioner is
not working, you need a real professional to make it right. Oshkosh Heating & Air, LLC can service your current system or install a more reliable, high-end system without any delay.


You'll have more than 20 years of experience at work on every HVAC project in your home. We will always look for
the most cost-effective way to handle your cooling system troubles to give you a repair that actually works.


Put your trust in our fully licensed, bonded and insured business. You need to know you can rely on your HVAC service company. All of our technicians are fully trained and capable of repairing any make or model. In fact, our owner Grant Schultz is a fully licensed master HVAC technician. Our prices are very competitive, so you won't have to overspend  to get good service.

Oshkosh Heating and Air mascots of technician and bulldog.



920 South Main Street

Oshkosh, WI 54902







(920) 216-1616

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Indoor climate regulation is essential to productivity at work and at home.
At Oshkosh Heating & Air, we make it our goal to ensure that you’re comfortable year-round. Replacing aging or malfunctioning equipment with industry-best HVAC systems, our technicians tailor recommendations to your budget and comfort requirements.


  • Complete filter systems
  • HEPA filter air systems
  • High efficiency media air filters
  • April Air brand systems and others
  • Humidifiers
  • Dehumidifiers
  • In-floor heating
  • Wi-Fi and traditional thermostats including the Nest, Lyric and Honeywell’s Prestige
  • UV products
  • HRV/ERV’s (Heat Recovery Ventilator and Energy Recovery Ventilator)
  • Motorized dampers
  • Sheet metal work
  • Duct work
  • Zone systems
  • Roof top Units
  • Warranty work
  • HVAC home inspections
  • New construction and replacements of all residential type systems
  • And MORE!


In addition to traditional furnaces and central cooling equipment, Oshkosh Heating & Air carries high-efficiency heat pumps, mini-splits, boilers and dual-fuel hybrid systems. These products require less energy to maintain your home’s temperature and are more environmentally friendly than older heating systems.


Enhance your system

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Heating services

Cooling services

Vendors & qualifications

Enhancement products

Vendor resources

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