Want HVAC
solutions without
the fluff?
You’re in the right place.
Welcome to Jack Kiefer Heating & Air, LLC. We combine
HVAC expertise with straightforward answers so you can
get the complete comfort you deserve.
HVAC Services
Expert Heating and Cooling Services
As a full-service heating and cooling company, folks throughout the Greater Fox Cities rely on us for HVAC repair, maintenance, and installation. What keeps them coming back is the trust, friendliness, and fair pricing we deliver each day.
Cooling
Having cooling issues in the summer months can be frustrating. You can rely on our Certified technicians to keep your home cool during the winter months.
Boiler
Our experts can help with the installation, repairs, and maintainance so that you can enjoy those long hot showers!
Indoor Air Quality
Protect the health of your family members by ensuring a clean air in you home through our Indoor Air Quality services.
Financing
Don’t wait until your budget allows for new heating and cooling. Financing options are available.
Furnace
Ensuring maximum comfort through our heating services! We offer full-service repairs, maintenance and Installation.
Focus On Energy Rebate
This is the time to take advantage of incentives available. There are two incentive tiers available for eligible customers. Click to learn more
HVAC in the Community
Rebuilding Together, Fox Valley
At Jack Kiefer, we believe the Fox Cities are a great place to work and call home. In appreciation, every Friday we go beyond HVAC services, to give back to the community.
Our Mission & Values
Equal parts professional and down to earth.
Our certified HVAC technicians are armed with the know-how to give you valuable, honest advice about your individual situation and needs. Delivering quality work and earning your trust as a licensed and insured HVAC provider is why we’re here.

Trusted HVAC Contractors
Jack Kiefer left the “big guys” who overcharge and under-deliver because he believes in truthfulness and earning trust with every customer.

Fair HVAC Pricing
Our prices are aligned with the industry, but if you don’t need something, we won’t sell it to you.

There When You Need Us
There’s no advanced warning when it comes to a heating or cooling failure; that’s why we’re a call away with 24/7 emergency service.

Your Satisfaction is Our Promise
Some may meet your needs when it comes to HVAC servicing—we think it’s more important to exceed your expectations.
Testimonials
Hear from Our Heating & Air Customers