Complete Air Systems

Air Conditioning & Heating Solutions!

Your HVAC and AC repair specialists serving residents in Sunbury and throughout Central Ohio.

For All Your Heating & Cooling Needs


You Want The Job Done Right, And We're Committed To That!

Complete Air Systems Heating and Cooling is servicing areas in Central, OH. Our coverage area also includes Sunbury, Galena,  Westerville, New Albany, and the surrounding towns. We are a trusted family-owned local business for reliable heating and cooling services. The Owner, Tom Martin, has over 31 years of experience. Our professional team delivers quality service and installation to meet your needs for heating and cooling.

What's Expected In A Furnace Tune-up?

This list is just a sample of our procedures.

Clean and adjust burner assembly

Clean ignition assembly

Replace oil filter/nozzle

Adjust operating pressures

Monitor starting capabilities

Test safety controls

Clean or replace filters

Clean and adjust blower components

Tighten electrical connections

Measure volts/amps on motors

Lubricate all moving parts

Adjust thermostat calibration (if applicable)

Clean evaporator coil if accessible

Clean condensor coil

Clean condsensate drains

Measure temperature differences

Adjust operating pressures

Clean and adjust humidifier

Call Today for a Free Estimate!

Air Conditioning Services To Keep You Cool

During the hot summer months, it's important to you that your air conditioner keeps you cool.  It's important to maintain your unit so having us do a check-up at the beginning and end of the summer is important. You want to make sure it runs at peak performance.  This also allows us to find any issues ahead of time.

Heating Services

Rest assured that we will keep you warm when you need it!  We can install a new furnace or repair your existing unit.  We have years of experience on virtually every type of furnace so you know you are getting quality service.  We can replace your heating system or install a new heating system. Depending on what you need, we can repair or install heat pumps, gas furnaces, and oil furnaces.

HVAC Services

If you are looking for a quality company to install your next furnace or air conditioner for your home, call Complete Air Systems Heating and Cooling today! If you need a new furnace or air conditioner for your home, count on Complete Air Systems in Central, Ohio. You can count on us with over 31 years of experience installing units for residents throughout Central OH. We are licensed, insured, and have an A+ rating on the BBB, so calling us should be the next thing you do!

Why Choose Us!​

Upfront Pricing

Anytime Service

Qualified Experts

Hear From Our Clients

"Tommy does an awesome job!! He installed a new ac, furnace and water heater for us. Great service, and he can diagnose any problem because of his years of experience. Highly recommend!!"

  • Tammy Johnson-Colopy

"Thank you, Complete Air Systems Heating and Cooling, for a fantastic job on my new propane furnace! Tommy was very knowledgeable about our older system and was able to correct some issues from past installers. Our new air filters are awesome, and the programmable thermostat with the phone app is sweet! Thanks for doing such a professional job at an affordable price. I definitely would recommend this company to anyone who needs HVAC work."

  • Shannon Dunaway

"If you need a new furnace, air conditioner or just one of these repaired. I suggest you call Tommy Martin. He's the best HVAC guy I know. He knows what he is talking about. I have known him for years, and I wouldn't even think about having anyone else work on my furnace. He's very polite, funny, and a pleasure to have in your home while he's working. He has the best prices around and works fast to get the job done. You can't go wrong having him do the job. If you don't believe me, call around and get some estimates. I guarantee you will be glad you called Tommy. Thanks, Tommy, for all the work you did at my place. Fantastic Job!"

  • Larry Thomas


Sunbury, OH

Working Hours

08:00 AM - 05:00 PM
Monday - Friday

24 Hour Emergency Services Available 

Phone Number

(740) 345-2021

Service Areas

Our coverage area includes Central OH including Sunbury, Galena, Westerville, and New Albany.