Things Are Heating Up!

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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!

“The garage heated up to 100 degrees or more and I had difficulty shutting off the heater by turning off the thermostat. The repair person came and clearly laid out out options. He then replaced the thermostat. Everything now works well. Thanks for taking care of us.”
- Wendell B.

“I was out of town for work when my Wife called me at 7:30am to advise me it was 54 degrees in the house. I called the office and they had someone there within 90 minutes and the furnace was working by 11:00am. They always provide great customer service. They have installed a furnace, central air, a tankless water heater and a generator for us. I will not use anyone else.”

- Chris B.

“During the recent cold snap our furnace stopped working on a Sunday morning. I called the emergency service number for support and Dan arrived shortly after I called. He spent most of the day Sunday diagnosing and attempting to repair the problem. It turned out to be a faulty component on the recently installed furnace. It took a few days to get the replacement part, so Dan set up temporary heaters to get us through until the correct part arrived. He went the extra mile to ensure our home (and water pipes) were protected in this very cold weather. Great service!”

- Steve F.

We love hearing from our customers!

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

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.

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

What’s That Smell Coming From My AC at Startup?

What’s That Smell Coming From My AC at Startup?

May 16, 2025

As the temperatures begin to rise in Ottawa, many homeowners are firing up their air conditioners for the first time in months. But what if, instead of a refreshing blast of cool air, you’re hit with an unpleasant smell?

Read More
Dryer Vent Cleaning

Dryer Vent Cleaning

April 30, 2025

Failure to clean. Those words should never describe dryer upkeep in your Ohio home.
The leading cause of dryer fires is the failure to clean the appliance, according to the National Fire Protection Association (NFPA).

Read More
Celebrate Summer With an Air Conditioning Tune-up. The top of an air conditioner.

Celebrate Summer With an Air Conditioning Tune-up

April 16, 2025

July 17 is the coolest date on the calendar. It marks National Air Conditioning Day, which commemorates the work of Willis Carrier, father of the modern-day indoor air conditioning system. It is the perfect time to put your feet up, chill out, and luxuriate in the cool comfort of your Ohio home.

Read More
What’s That Smell Coming From My AC at Startup?

What’s That Smell Coming From My AC at Startup?

May 16, 2025

As the temperatures begin to rise in Ottawa, many homeowners are firing up their air conditioners for the first time in months. But what if, instead of a refreshing blast of cool air, you’re hit with an unpleasant smell?

Read More
Dryer Vent Cleaning

Dryer Vent Cleaning

April 30, 2025

Failure to clean. Those words should never describe dryer upkeep in your Ohio home.
The leading cause of dryer fires is the failure to clean the appliance, according to the National Fire Protection Association (NFPA).

Read More

What Are You Waiting For?

Contact Knueve & Sons today!

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What Are You Waiting For?

Contact Knueve & Sons today!