Quality HVAC Services

Supplying your family with dependable comfort since 1997

Mother and baby in comfortable home

If you think we did a great job, please share your experience.

Our experts can help with all your heating and cooling needs!

Save on your next Lennox System by taking advantage of our current promotions!

Furnace Repair in Seymour That You Can Depend On

Nobody likes being without heat. Even more so on the most frigid time of the year.

When your furnace is creating trouble, give Diedrick's Heating and Air Conditioning’s HVAC pros a dial for furnace repair in Seymour. We’ll be out quickly to determine and fix the trouble. And we’ll get the comfort flowing again without delay!

Our furnace repair technicians are well-known for excellent HVAC service completed correctly the first time. When it involves service calls for HVAC systems, we can do it all.

Furnace Service in Seymour and Surrounding Areas

Lennox Furnace on concreteWhen you need the top furnace service in Seymour, call Diedrick's Heating and Air Conditioning.

Did you know a lot of furnace repair calls can be avoided with yearly furnace service? While we’re at your home, we can review our maintenance plans. Over the long term, routine tune-ups can enhance your system’s efficiency. It might also help it work longer.

If you’ve determined you need to to replace your HVAC system, we also offer expert furnace installation. It’s not any trouble if you haven’t began reviewing replacement equipment yet. We’ll sit down with you and go over all the possibilities. That way, you can make the most informed choice for your family.

When you need fast furnace service, reach us or contact us online.

Providing Quality HVAC Services Year-Round

At Diedrick's Heating and Air Conditioning, heating and cooling isn’t solely our job, it’s our passion. We’re committed to providing you with the best HVAC service in Seymour. Regardless of the time, day or problem, you can count on us to get the job done properly. After all, Diedrick's Heating and Air Conditioning has been working in the community since 1997, bringing comfort to our customers right when they need it.

Diedricks Truck

Hear from our customers

“We always have a positive experience with Diedrick’s. They provide fast, affordable and honest service!”

– Emilie J.

  • HVC Offer Details

    *Receive up to $1,800 in rebates* when you purchase the Lennox® Ultimate Comfort System OR qualified buyers make no payments, incur no interest for 12 months** when financing a new Lennox® system

    920-833-7967
  • Honeywell logo
  • Apliaire logo
  • Lennox logo
  • Daikin
  • Nest
  • Hot Dawg Modine
  • Velocity
  • Trion
  • Energy Saving HVAC Practices

    5 Energy-Saving HVAC Practices for Seymour, Wisconsin, Residences

  • When to Replace Your Furnace’s Gas Valve

    When to Replace Your Furnace Gas Valve in Seymour, Wisconsin: Warning Signs

  • Ceiling Fans and HVAC Efficiency

    What You Need to Know About Using Ceiling Fans to Increase Home HVAC Efficiency