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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.

MORE ABOUT US

Need HVAC Service?

Give us a call at 419-532-3699!

Give us a call at
419-532-3699!

Gas Furnace Installation in Findlay, OH 45840

August 21, 2026

“Bob and Rob, installed my new HVAC and pro series thermostat, in record time, perfectly! They were absolutely courteous in all interactions and I couldn't get them to take their cash tip. They wrote on my tip envelope, "Thank you for your service, Patrick!, to top it off! This has been the par for the character of Knueve's staff on ALL my occasions in dealing with your fine company.”

- Patrick K.

Water Treatment Maintenance Installation in Continental, OH 45831

August 14, 2026

“I cannot remember the name of the guy who installed our system, but Rodney was the initial contact. Every time we call Knueve, the service is top notch. They're thorough, knowledgeable, and efficient. They have quick response time too! Super grateful to have Knueve close by to call.”

- Savannah H.

Water Treatment Maintenance Installation in Fort Jennings, OH 45844

August 13, 2026

“Rodney and Jordan provided great service, were very knowledgeable and installed an effective system. They definitely knew what they were doing. Rodney was very good at listening to concerns and directing us to the best solutions.”

- Nichole G.

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 $300 in tax credits.

VIEW MORE SPECIAL OFFERS

We Service All Brands

Read the Knueve & Sons Blog

Why Is My House So Dusty When the AC Is Running?

August 15, 2026

A dusty home can feel frustrating, especially when you’ve just cleaned every surface, only to see dust settling again the next day. Your AC should help keep the air clean, so when dust keeps coming back, it’s natural to wonder whether something’s wrong. In most cases, your AC isn’t “broken.” Instead, hidden issues inside your…

Other Installation in Other 45840

August 11, 2026

“Installed a split system in upstairs bedroom.”

Ductless System Installation in Other 45817

August 7, 2026

“Bob and Rob did a very professional installation of the Mitsubishi ductless AC. My wife and I very pleased with the work done today. When making a decision on a product and company to use one is always concerned it was the right choice. We did make the right choice in Knueve & Son's. We…