How to Prepare Your Air Conditioner for a North Texas Summer in 8 Steps

This article will explain how to prepare your AC unit for the next long, hot North Texas summer. It's for anyone looking to learn how to keep their air conditioning running smoothly and cooling efficiently as the weather warms up.

North Texas summers don't give your AC much mercy, with long stretches of triple-digit temperatures and high humidity forcing your unit to work harder than almost any other appliance in your home.

If you wait until the first heatwave arrives before you check your system, you're more likely to end up dealing with higher energy bills caused by poor cooling performance, with an increased risk of expensive repairs during the hottest part of the year.

Regular maintenance can extend an AC's lifespan to 12-18 years and reduce energy consumption by 10-15%, so you don't only enjoy the benefits of seasonal preparation in the summer months alone. Keep reading for our tips on preparing your air conditioner for the next summer to come.

Key Takeaways

• To prepare your air conditioner for summer in North Texas, clean your air filter before the cooling season starts, remove debris around your outdoor unit to improve airflow, and inspect your drain line to prevent water damage.

• You should also check thermostat settings and consider installing a smart thermostat.

• Schedule professional AC maintenance each spring. Addressing warning signs early means you can avoid paying out of pocket for expensive repairs during the Texas summer.

1. Replace Your Air Filter Before Summer Arrives

If you only do one thing before the Texas summer begins, replace your air filter!

A clean air filter helps your AC system move air throughout your home efficiently. On the other hand, a clogged air filter restricts airflow and forces your system to work harder, which, in turn, increases energy use.

You probably don't realize how much a dirty filter affects the performance of your air conditioning unit. It'll have to run longer and will cool your home less effectively, causing energy bills to climb.

Check your air filter every month during the cooling season. For most Texas homes, we recommend replacing filters every one to three months.

2. Clear the Area Around Your Outdoor Unit

Your outdoor unit needs breathing room, and that's why it's important to keep the immediate surroundings free from leaves, weeds, grass clippings, and overgrown shrubs, which can all block airflow and affect its ability to release heat efficiently.

Our general advice is to leave at least two feet of open space around the unit whenever possible. The Texas heat already places tremendous strain on your system, so you want to do everything you can to avoid making your AC work harder than necessary.

3. Schedule a Professional Spring Tune Up

One of the best ways to prepare your air conditioner for the hot Texas weather is by scheduling professional maintenance. Importantly, you want to do this in spring, before temperatures soar.

We offer spring tune-ups at Koala-T Heating and Air, which involve a thorough, 20-point inspection conducted by one of our HVAC technicians. We'll inspect the entire HVAC system before peak cooling season arrives, checking things like:

• Refrigerant levels

• Electrical connections

• Leaks in ductwork

• Thermostat settings

• Airflow performance

• Drain line condition

• Outdoor condenser unit operation

We strongly recommend contacting us for seasonal HVAC inspections to help identify small issues before they end up costing you a fortune in repairs. For instance, if we discover that your unit has low refrigerant or worn components, we'll highlight the issue in our report and offer a repair or maintenance service based on what you need.

A simple tune-up can help prevent breakdowns and keep your AC running smoothly throughout the hottest months of the year.

4. Test Your Thermostat

Your thermostat controls the entire HVAC system, so if it's not providing accurate temperature readings, your AC system may run longer than necessary or struggle to help you stay cool all summer. That's why it's important to check that your thermostat accurately reflects room temperature.

If your current model is older than you can remember, it's worth considering upgrading to a smart thermostat, which can keep your electricity costs lower while you keep your home cool.

You can often avoid wasting energy simply by optimizing your thermostat settings and maximizing efficiency, so this is definitely something to read up on if you think your AC's performance needs improvement.

Image credit: Geri Tech, Pexels

5. Inspect Your Drain Line

Your AC removes moisture from indoor air while it's cooling your home, which travels through the drain line and exits safely outside.

If the drain line clogs, it'll cause water to back up into the system. This can result in water leaks and mold growth. It might even cause your AC to break down, as well as increasing humidity inside your home (the last thing you want during a hot, humid summer!)

Before summer starts, it's smart to inspect your air conditioner's drain line and make sure water is able to flow freely. If you notice standing water around the unit or signs of moisture indoors, we recommend contacting a professional at Koala-T before the problem can worsen.

6. Improve Insulation and Seal Air Leaks

It's all too easy to focus entirely on your AC unit without considering how your home may affect its performance efficiency.

Even the most energy-efficient air conditioning system will struggle when conditioned air is able to escape through poor insulation.

So, as part of your pre-summer checklist, check your home for things including:

• Worn weather stripping

• Drafty windows

• Poor attic insulation

• Unsealed doors

Reducing heat gain is one of the most effective ways to help your system maintain comfort, using less energy in the process. The Energy Information Administration (EIA) calculates that air conditioning accounts for 28% of annual residential electricity usage in Texas, so you want to minimize your bill as much as possible.

You can reduce heat gain by using blinds and curtains, but in North Texas, we've seen firsthand how attic insulation can make a dramatic difference to AC performance during extreme heat. When your home has better insulation, your hot attic temperatures will be unable to transfer into your living spaces. That means your AC system runs less often and your electric bill stays lower.

7. Watch for Warning Signs Before Summer

It's highly unlikely that your air conditioner will just suddenly fail, with no clues or warning signs beforehand. When you're inspecting your system, take note if you notice any of the following issues:

• Warm air from vents

• Weak airflow

• Strange noises

• Higher energy bills

• Uneven cooling

• Frequent cycling

These usually indicate underlying problems that will need attention before the hot summer months arrive. The earlier you can address these issues, the better you can avoid surprise breakdowns as the weather warms up.

8. Consider the Age of Your System

If your AC unit is approaching 10 to 15 years old, you might need to consider a replacement rather than more maintenance.

Older systems lose efficiency as their components wear down, and they often require more repairs and consume more electricity during heatwaves.

On the other hand, investing in a properly sized new system will obviously be more expensive, but you'll financially benefit in the long run from a more efficient system that offers proper airflow, better cooling, and a more reliable performance overall.

If your current unit struggles every summer, we can help you compare repair costs against replacement costs and provide our honest advice on whether or not you need a replacement.

FAQs

Q: When should you schedule AC maintenance in North Texas?

You want to schedule your AC maintenance in spring, before the Texas summer heat kicks in. That gives your HVAC technician space to catch small issues early, before your system gets pushed hard during heatwaves. If you wait until temperatures spike, you'll likely face longer wait times, which will put higher stress on your system.

Q: How often should I replace my AC's air filter?

You should check your AC's air filter every month so you stay ahead of buildup, especially during peak cooling season. Most homeowners in North Texas replace their air filters every 30 to 60 days, depending on how much their AC system runs. If you have pets or allergies, or if your AC runs constantly in summer, you’ll likely need to change it more often. A clean filter can lower energy consumption by 5 to 15%, allowing your system to push cool air efficiently and keep your home more comfortable.

Q: Why does my AC struggle during Texas heat?

Your AC feels the strain during Texas heat because it has to work nonstop just to keep up. When refrigerant runs low or airflow drops, your system loses efficiency fast. Older equipment also struggles more during extreme heatwaves, especially in North Texas summers. When everything stacks up, you’ll notice that your system cools less efficiently and has to run for longer, even when nothing seems obviously wrong.

Q: How can I avoid surprise AC breakdowns this summer?

The best way to avoid surprise AC breakdowns is by staying ahead of small issues instead of waiting for something to fail. That means changing your filters regularly, keeping the outdoor unit clear, and booking professional maintenance before peak heat arrives. You should also pay attention to early warning signs like weak airflow or strange noises. When you act early, you'll give your AC the best chance of staying reliable through the entire summer.