Cornelius HVAC – Leavenworth, Kansas’ Professional Heating and Cooling Service


Cornelius HVAC can assess and make recommendations for your heating and cooling needs.  We can work within any budget.


We provide the following services to residents of Leavenworth, Kansas and its greater metropolitan area:


  • Free Inspection and Estimate

  • Furnace Repair or Replacement

  • Air Conditioner Repair or Replacement

  • Water Heater Installation

  • Custom Ductwork Fabrication


Cornelius, your HVAC Professionals


Not all heating and cooling experts have the credentials to deliver the caliber of service you need to protect your home, and more importantly, your family. With Cornelius HVAC, you can have confidence knowing you’ve trusted a professional HVAC service. All of Cornelius HVAC technicians are certified to work with all major brands and have the experience to provide expert and courteous service. Our technicians continuously expand upon their education to keep them up-to-date on the heating and cooling systems of both older and newer homes. Our dedication to your safety paired with our expertise is what has kept us in business since 1993.


We love Leavenworth, Kansas


Leavenworth Kansas is full of rich history and if you find yourself in the area we at Cornelius Contracting have compiled a list of things for you to do!


  • Take a step back in time by visiting the Carroll Mansion Museum. This historic site has been open to the public for over 60 years now and holds the history and heritage of Leavenworth inside its walls. Take in the beauty from the Victorian era from the stain glass windows to the numerous antiques. You’ll forget you’re in the 21st century while visiting and won't regret it!


  • If you enjoy museums, another unique place to visit in Leavenworth is the C. W. Parker Carousel Museum. This museum houses several restored carousels including one from 1913 that still fully operates. If you want to mix up your traditional family outing, this is the place to go and with carousel rides for only $1.50, the kids will love it!


  • Want to do some shopping while still experiencing all that Leavenworth’s rich history has to offer? Check out the Leavenworth Antique Mall! You could spend an entire day browsing every booth and walking around all four levels. From clothes to toys to hardware, this mall has something for every member of the family!

When it comes to providing quality heating and cooling services, residents of Leavenworth, call Cornelius HVAC! We want to be your number one choice when it comes to repairs replacements or day to day maintenance for your heating and cooling system. Click here to contact us today. We look forward to hearing from you.

Contact Us Now


Cornelius Contracting HVAC on Google Maps

(816) 232-3597​​

Toll Free (844) 454-3597


2314 175th Rd

Wathena, KS 66090

5150 NW Waukomis Dr

Northmoor, MO 64151