Spring Is Here!

Schedule Your AC Tune-up Today


Spring Is Here

Schedule Service Today!


Gateway Heating & Cooling is a family owned and operated business founded on the basic principles of honesty, integrity, and excellence. It has always been our goal to offer our customers exceptional services at the best possible price, and we will not settle for less than total customer satisfaction. We operate out of Mount Sterling, in Montgomery County, Kentucky.

At Gateway Heating & Cooling, we pride ourselves in being able to take great care of your heat pump, air conditioner, furnace, or any other type of system you may have in order to keep you comfortable. Whether you are looking for heating repair, air conditioner repair, new installation, or seasonal maintenance, we have you covered.

Keep Your HVAC In Top Shape

HVAC equipment.

#1: NOW

  • Buy a high-efficiency pleated air filter.
  • Keep AC and heat units free of leaves, pollen, and grass.
  • Clear two feet of space around outdoor AC and heat units.


  • Inspect refrigerant lines each month.
  • Replace your air filter at least every 90 days.
  • Summer: turn off water to the furnace humidifier.
  • Fall: replace the humidifier filter and turn on water.


  • Replace your carbon monoxide detector battery.
  • Ensure outdoor AC unit is on firm and level ground.
  • Clear AC condensate drain with a bleach/water mixture.

What Our Customers Are Saying About Us

Gas Furnace Repair in Mt Sterling, KY 40353

“Again Gateway came to our rescue. I called and told my problem to Chris Hart who was very professional asking me my problem. He sent Colton Miller to assist us. Colton was professional and explained our problem to us. He got right on it and had our heat back on. Thank you to Chris and Colton we will be warm when the snow comes tonight.”
- Marilyn M.

Ductless Mini-Split Installation in Owingsville, KY 40350

“Josh and John and there crews have done several jobs for us over the years. The professionalism and knowledge that this company performs is unmatched in our industry today! If your in need of a professional job at a great price don’t forget to call Gateway first!!!”

- John C.

Air Conditioner Maintenance in Mt Sterling, KY 40353

“I contacted Chris Hart with Gateway Heating and Cooling. I told him my problem. He got me a tech ASAP John Winters. He’s professional and we were very pleased due to temperatures getting hotter now. A big Shout out to Josh Moore and his crew!!”

- Marilyn M.

Read Our Latest Articles

Why Is a Home Dehumidifier Important? Glass door with condensation and a tree, high humidity.

Why Is a Home Dehumidifier Important?

April 12, 2024

Our professionals at Gateway Heating & Cooling want to provide you with the information to create a healthy, comfortable environment for you and your family. Here is some important information about dehumidifiers and the role they play in your home’s health and comfort.

Read More
How to Determine Heat Pump Efficiency. Couple sitting on the floor drinking out of mugs and eating breakfast.

How to Determine Heat Pump Efficiency

February 15, 2024

If you are in the market for a new heat pump, efficiency is probably a key factor in your search. The Air Conditioning, Heating, and Refrigeration Institute (AHRI) has a universal ranking system for heating and cooling units that serves to help. 

Read More

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