How we are responding to the Coronavirus

KNOW Heating is a home service company, but we’re also local community members ourselves, and like you have been monitoring the evolving news regarding COVID-19. Our employees and technicians are taking additional precautions before, during, and after each of our appointments, and we are regularly reviewing our company-wide health and safety protocols to follow the latest recommendations from professional health organizations. We understand that homeowners and families want to stay safe—we do, too—so we encourage any customers with additional questions or concerns to give us a call.  

Columbus Homeowners, Neighbors and Friends

Are you having problems with your heating or cooling system? Is your furnace or air conditioning not working, or are you just not getting enough warm or cold air in individual rooms of your home? Maybe you want your system checked before the heating or cooling season to ensure it will work when you need it most? All these are common problems we solve every day.

When it comes to servicing your HVAC systems, you’ll KNOW you made the right choice by calling us. With over 20 years of experience, we have helped hundreds of homeowners here in Columbus, Ohio, just like you. We are known for our excellent service and prices, knowledgeable and honest technicians, always on time and available 24/7. They will not sell you anything, but they will educate you to make wise decisions when it comes to your family and home.

99% of the time, we can repair your system the same day and get your home back to your comfort zone. We give free estimates given for full system replacements or installs. Your satisfaction is 100% guaranteed.

You can help us fight hunger in our community by donating 10% of all repair fees to the Mid-Ohio Food Bank

Reliable HVAC Professionals

KNOW heating is licensed, insured, and locally owned and operated, serving homes in the greater Columbus Metro area since 2010. Our specialty is home comfort, air quality, maintenance, repair, installation, and replacement. Our services include gas and electric furnace repairs, central air conditioning repairs, and duct design.

Certified in Carbon Monoxide and combustion air analyzing through the NCI (National Comfort Institute), our technicians know if there is a leak before they step into your home. To find out why you need to have your home tested for Carbon Monoxide, read this article.

Our technicians are also trained by BPI (the Building Performance Institute) to perform a complete analysis inspection before you buy that new home. Here is what you should know before you purchase your new home.

Educating our clients about their home comfort and safety is why we recommend you empower yourself with useful information on what to look for and expect from your HVAC contractor. We made it easy and put all the valuable links on one page for you to consult right here.

When you call our office, a live person will answer during regular business hours. Emergency service, after hours, and holiday appointments are available.

You may contact us online or by calling 614-678-6344.

Vertical installation of a 6 zone furnace, coil, and custom-designed ductwork

Individualized HVAC Options

As your local Columbus HVAC contractor, we work with you to find the best solution to fit your heating and cooling needs. The service call includes a full consultation to explains all available options, be it for a furnace and AC repair, or if you need to replace your old system. 

Estimates for a complete system replacement usually take about 45 minutes to an hour, and our technicians will only give you options and never try and sell you anything. 

Many homeowners don't KNOW that the installation and maintenance of their HVAC system are more important than the brand? Don't be brand washed; the box is only as good as the install.

Find out more about repairing vs. replacing your furnace or A/C, and what is the proper installation of a furnace or air conditioning.

Financing is available through Wells Fargo Bank, and there are rebates on qualifying systems.  

Request your free estimate now!

Close-up of an orange tabby cat named Mikah, the boss

Satisfaction Guaranteed

All our work is guaranteed, we use only the highest quality heating and cooling parts and equipment, and our dedication is to deliver exceptional top quality service, we are your local HVAC contractor. All replacement parts and labor comes with a one year warranty.

The manufacturer will warrant the new equipment, and the homeowner must register the new equipment within 30 days of purchase. Also, annual maintenance must be performed on the system for the manufacturer to cover any failed components under the manufactures warranty.

Since it is our goal to empower you with the knowledge, we give you options so you can make a wise decision for your family's comfort. 

Looking for a heating and cooling contractor

Your heating and cooling system is one of the most complex systems in your home. The HVAC contractor you hire must be well-trained to deal with safety issues in heating and cooling systems. A contractor will need to have a full understanding of the HVAC system in your home to accurately diagnose the problem and offer a solution that works for you. 

Check out this great video on how to find the best heating and cooling contractor in Columbus, Ohio.

Advice from M Scott Downs.

Contact Us

How can we help?

24 Hour Emergency Service Available

For emergency heating and cooling service, you should call us at 614-678-6344. If you reach the answering service, we will call you back within 30 - 45 minutes. We look forward to serving you.

KNOW Heating

(614) 678-6344


Monday - Friday: 8 am - 5 pm
Saturday: 8 am - 2 pm
Emergency, Sunday, After Hours and Holiday service is available by appointment only.

Children eating lunch

Donate 10% of your repair to Mid-Ohio Foodbank

Two simple facts and everyone wins!

Fact 1

Hunger is a huge issue in our community. Thousands of people around us are suffering because of it.

Fact 2

Advertising to find new customers is expensive and drives up the cost of services.

We took these two facts and came up with "Donate 10% of repairs to Mid-Ohio Foodbank". 

Here's how it works:

When a service call is scheduled, and a repair needs to is made on your a/c or furnace, you may write a *check directly to MID-OHIO FOODBANK for 10% of the cost of that repair.

That's right! 10% goes to MID-OHIO FOODBANK, that's how we all win! The homeowner gets a reduced rate service call and a tax deduction, MID-OHIO FOODBANK receives 10% with minimal effort, and KNOW Heating has a new loyal customer.

Call us at 614-678-6344 for more information on how you can make a difference in our community.

Thanks for your support.

*Only checks made out directly to Mid-Ohio Foodbank will be considered a donation. 

Learn More

In 2009, Mid-Ohio Foodbank's network of food pantries responded to a record number of requests for food assistance. Through a network of more than 500 partner agencies in central and eastern Ohio, they provided 33.9 million pounds of food for hungry people in our area, equating to more than 51,000 meals each day. More than 35 percent of food requests Mid-Ohio Foodbank receives from food pantries are for children, and another 15 percent are for senior citizens.  Thankfully, we can help.  

Please visit to learn more about hunger and how we can work together to fight against it.

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