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Your Comfort is Our Concern

Knueve & Sons is a family-owned and operated company with decades of experience since we first opened our doors in 1970. We serve Northwestern Ohio with heating and air conditioning, plumbing, bath and water treatment, standby generators, and much, much more.

We offer the best possible service and highly trained installation crews. At Knueve, we are a family and we treat you as part of our family as well. We will help you find solutions that will help your family be comfortable and healthy, and we will send friendly technicians who will get your job done right the first time.

Throughout our website, you’ll find ideas for making your home a more comfortable and healthy place to live. Give us a call to discuss some of these ideas and how we can help you implement them in your home.

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Need HVAC Service?

Give us a call at  419-532-3699!

Give us a call at
419-532-3699!

Furnace Maintenance Repair in Findlay, OH, 43551

“Mark, the Technician showed up on time and was very professional and did an amazing job! I would recommend Knueve and Sons to anyone looking to get their furnace serviced!”
- Craig S.

Air Conditioner Installation Replacement in Ottawa, OH 45875

“Outstanding service and support from the entire Knueve team! The customer service provided was absolutely timely and professional. Anyone considering and HVAC contractor should give Knueve & Sons strong consideration.

Thank you Knueve team for your support and cooperation! Your effort and support did not go unappreciated.”

- Rick w.

Gas Furnace Replacement in Leipsic, OH, 45856

“We had a no heat situation with our furnace while I was out of town and my wife was home. I contacted Knueve’s and in less than an hour on what I could tell was a busy day, Deb had Greg at our doorstep to check it out. They needed to order a specific part that they needed to make the repair but Greg was able to substitute another part and get the furnace running to keep the house warm until the new part arrived. There ended up being a couple issues with the part that required Greg to return for adjustments, which he did very promptly at no additional cost. We couldn’t be happier with the service we received.
Thank you!”

- Mark D.

We love hearing from our customers!

If you've had us work on your HVAC system, we would love to hear from you, too.

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Proudly Serving

Bluffton, Columbus Grove, Continental, Defiance, Delphos, Elida, Findlay, Fort Jennings, Kalida, Leipsic, McComb, Ottawa, Paulding, Shawnee, Van Wert,
and the Surrounding Areas

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Our Current Specials

Knueve & Sons bathroom remodeling coupon for 0% financing if paid in full within 6 months.
Knueve & Sons tankless water heater coupon for up to 0 in tax credits.
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We Service All Brands

Amana Heating & Air Conditioning. American Standard Heating & Air Conditioning. Ameristar by American Standard Heating & Air. Armstrong Air. Bryant Heating & Cooling Systems. Carrier. Coleman Heating & Air Conditioning. Comfortmaker. Daikin. Day & Night Heating & Cooling Products. Fujitsu. Goodman Air Conditioning & Heating. Heil. Lennox. Mitsubishi. Payne. Rheem. RunTru by Trane. Ruud. Trane. Westinghouse. York.

Read the Knueve & Sons Blog

How Does a Gas Furnace Work? Father talking to his son outdoors on a patio.

How Does a Gas Furnace Work?

November 29, 2024

A furnace is a big part of your life—whether you realize it or not. It keeps your Kalida home warm and can help with your indoor air quality (IAQ).

So it is important to gain a better understanding of furnace fundamentals.

Read More
Grandmother and mother kissing son.

What is a Heat Pump?

November 15, 2024

Heat pumps are much more efficient, using up to 50 percent less energy than furnaces or baseboard heaters, according to the US DOE.

Read More
5 Tips to Improve Your Indoor Air Quality This Fall. IAQ post-it notes.

5 Tips to Improve Your Indoor Air Quality This Fall

October 29, 2024

Get ready for cooler weather here in Findlay—fall is around the corner! When the outdoor temperatures start to drop, you probably will spend more time inside your home. Be sure to focus on enhancing your indoor air quality (IAQ) so that you can boost your overall home comfort and enjoy the autumn season to its fullest.

Read More
How Does a Gas Furnace Work? Father talking to his son outdoors on a patio.

How Does a Gas Furnace Work?

November 29, 2024

A furnace is a big part of your life—whether you realize it or not. It keeps your Kalida home warm and can help with your indoor air quality (IAQ).

So it is important to gain a better understanding of furnace fundamentals.

Read More
Grandmother and mother kissing son.

What is a Heat Pump?

November 15, 2024

Heat pumps are much more efficient, using up to 50 percent less energy than furnaces or baseboard heaters, according to the US DOE.

Read More
READ MORE BLOG POSTS

What Are You Waiting For?

Contact Knueve & Sons today!

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What Are You Waiting For?

Contact Knueve & Sons today!

SCHEDULE SERVICE