Air Conditioning Articles

2026 AC Maintenance Guide: Is a Spring Tune-Up Worth It?

April 30, 2026

The sun is out, the weather is perfect, and the trees are starting to bloom in . Spring is officially here! And because we’re a month or two away from the first real heatwave hitting (if we’re lucky), nearly every homeowner asks the same question: “Do I really need to pay for an AC tune-up…

5 Reasons Why Regular HVAC Maintenance Is Essential

September 12, 2025

According to the U.S. DOE, a simple task such as changing the air filter on your HVAC system can improve efficiency by up to 15 percent.

Is Your Thermostat Causing Your AC to Freeze Up in Lexington?

August 15, 2025

It’s another hot summer day in Lexington, and you feel like you might melt. Your air conditioner AC is not doing its job.

Why Regular HVAC Maintenance Is Essential

July 18, 2025

According to the U.S. DOE, a simple task such as changing the air filter on your HVAC system can improve efficiency by up to 15 percent.

When Do I Replace My Air Conditioner in Mount Sterling?

July 11, 2025

The shelf life for a well-maintained central air system is typically 10 to 15 years. We emphasize “well-maintained.” Replacing your filter monthly and seasonal maintenance is crucial for a long-lasting air conditioner.

Common AC Problems and Solutions

June 20, 2025

When the weather gets really hot in Mount Sterling, the last thing you want is a broken air conditioner; a fully functioning air conditioner is more than a luxury—it’s a necessity. However, even the best systems can encounter problems that disrupt your comfort.

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

June 13, 2025

As the temperatures begin to rise in Winchester, 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?

Does an AC Kill Mold?

May 16, 2025

Your air conditioner (AC) can do several things––keep your Kentucky home’s indoor air cooler than outdoor temperatures, help to keep indoor airborne allergens at bay, and help keep your home’s humidity low. But one thing it can’t do is kill mold.

Why Is My AC Blowing Hot Air?

August 16, 2024

It’s a hot day outdoors, and you are inside your Lexington home waiting for your air conditioning (AC) system to kick into full gear.

Does an AC Kill Mold?

June 14, 2024

Your air conditioner (AC) can do several things––keep your Kentucky home’s indoor air cooler than outdoor temperatures, help to keep indoor airborne allergens at bay, and help keep your home’s humidity low. But one thing it can’t do is kill mold.

AC and Allergies

August 17, 2023

Looking for additional methods to stop allergens from inhabiting your home? Gateway Heating & Cooling has a team of home comfort experts ready to find the perfect solution for your lifestyle.

Does an AC Help With Allergies?

June 9, 2023

Gateway Heating & Cooling specializes in air conditioners. Contact us with any questions you may have or assistance you may need.

Why Air Conditioners Freeze Up

September 6, 2022

If you’ve noticed a thin layer of ice on the outside of your AC unit, don’t panic. Here are a few common ways this can happen and what to do.

Consider a Ductless AC System

August 9, 2022

When you think of heating, ventilation, and air conditioning (HVAC) systems, you probably think of the furnace and air conditioner (AC) equipment inside, an air conditioner component outside, and a network of ducts running throughout your Mt. Sterling home.

Why Is My Air Conditioner Making Noise?

June 30, 2022

It’s normal for your air conditioner to create some noise when running—that simply means it’s working. Although older units are typically louder than newer ones, all air conditioning noises are not the same.

How to Properly Size an AC System

June 15, 2022

Air conditioner loads must be calculated carefully, so you can match the unit to your household’s cooling needs.

AC Maintenance Checklist

April 15, 2022

To help this season, here’s a comprehensive air conditioning maintenance checklist to help keep your system in excellent working order.

What Is Short Cycling?

December 15, 2021

Short cycling is a term used in the heating, ventilation, and air conditioning (HVAC) world to explain a situation where a furnace or air conditioner turns on and off too frequently. The “short cycle” is the period of time that your HVAC equipment is actually running, and the shorter this cycle, the harder your system needs to work.

How Does an Air Conditioner Work?

August 17, 2021

As a homeowner here in Kentucky, it’s always a good idea to learn as much as you can about your appliances. That means knowing their basic operations, what features are included, and if any necessary upkeep is involved. Needless to say, this is no exception for your air conditioning (AC) unit.

How Does Your Central Air Conditioner Cool Your Home?

July 14, 2021

We at Gateway Heating & Cooling want to help you understand the basic components of your AC. This will help you identify a problem or malfunction when it occurs.

Spring Money-Saving Tips

May 17, 2021

Everyone loves to save money, and it’s a good idea to review different aspects of your budget now and again to see if there are more opportunities you have missed in the past. In the springtime, considering how you can reduce your energy bills is always a great idea.

Common AC Purchasing Mistakes to Avoid

April 27, 2021

When it’s time to invest in a major home appliance like an air conditioner (AC), you want to be well informed. The good news is technology has made it easy to gather a great deal of information in a short period of time. The bad news is there are so many makes and models of air conditioners available, the entire process can get quickly overwhelming.

Why Do I Need AC Maintenance Now?

March 24, 2021

An air conditioner (AC), just like a car, needs regular maintenance and service to run efficiently. At Gateway Heating & Cooling, we recommend getting your air conditioning unit serviced and cleaned at least once a year. The optimum time is in the spring to ensure your system will run with the most efficiency during the hottest summer months. You need to be able to rely on your air conditioner for your comfort here in Lexington.

How Environmental Issues Can Affect Your AC

September 21, 2020

However, many environmental issues also play a significant part in not only your air conditioner’s performance but contribute to potential problems you may face. Our team of experts at Gateway Heating & Cooling wants to help increase your awareness of some of these environmental factors.

Why Is My AC Blowing Hot Air?

August 17, 2020

It’s the first really hot day of summer in Lexington when the floor fans and the open windows just don’t cut it anymore. You head over to your thermostat and select “air conditioner” and wait for that refreshing icy air to start blowing out of your vents. When you check a few minutes later, you feel only hot air. Why?

3 Health Benefits for Using Your AC While Sleeping

July 20, 2020

At Gateway Heating and Cooling, we understand that depending on your air conditioner to run efficiently is crucial to helping you get the good night’s sleep you deserve. We also know how critical sleep is to everyday life, so we make it a priority to provide our customers in the Winchester, KY, area a cooling system that ensures the utmost comfort all hours of the day or night.

How Can I Afford a New AC System (and Other HVAC Equipment)?

June 12, 2020

Do you need a new air conditioner? Our team wants to assist with your purchase by offering you financing options with quick approvals.

Spring Is the Best Time for Your Air Conditioner Maintenance

May 15, 2020

An air conditioner, just like a car, needs regular maintenance and service to run efficiently. At Gateway Heating & Cooling, we recommend getting your air conditioning unit serviced and cleaned at least once a year. The optimum time is in the spring to ensure your unit will run with the most efficiency during the hottest…