Family in living room

Gearing Up For Air Conditioning Season

While the air conditioning season is a bit longer than other states, for us Texans, we know that the hottest of the hot months are on their way! Having a reliable way to cool your home is an important part of every household and will determine your comfort levels all summer long.

Cooling Season is Here

If you haven’t turned on your air conditioner for a bit, or you have an unpredictable system, it’s important to properly inspect and prepare the unit before the heat becomes unbearable and your technician’s schedules get busier!


Air filters are a key component of every air conditioner. These thin filters are responsible for trapping all the icky, airborne particles in the air to keep them out of your home and lungs.

Filters are measured according to their Minimum Efficiency Reporting Value (MERV) on a scale of 1 to 16. The higher the MERV rating, the more effective the filter is at removing contaminants from the air.

Some of the particles filters remove from your home’s air are:

  • Dust
  • Debris
  • Pollen
  • Pet dander
  • Spores

As you can imagine, after months of use, a filter can become very full of these particles. If you allow the same filter to remain in use for several months , it will become clogged, keeping your ac from working properly and could allow contaminants back into the air.

We recommend you replace your air filter at least every three months. You can also purchase a reusable filter that you can simply clean, dry, and replace to avoid having to make a trip to the store!

Clean Up

Cleaning your unit before it begins working overtime is a good way to prepare for the summer. Dust off your vents and the unit itself to free up airflow and keep the particles out of the air.

Use a coil cleaner you can find at any home improvement store to spray the area and allow the dirt to drip into the drain pan. Next, use soap, hot water, and a splash of bleach to clean the drain pan. The bleach will help with sanitizing and prevent algae and mold growth in the drain.

Outside, clear away any leaves and sticks that may be surrounding your unit. These obstructions will limit airflow and create a more inefficient system.


When preparing for the hot, sweaty summer days ahead, it’s important to make sure the components of your ac are all functioning properly. Turn on the ac and assess its performance. Is it blowing hot air? Is it making loud noises? Does anything seem off?

If there’s something strange going on, it’s a great idea to give an HVAC technician a call to take a look. If there isn’t something going on, it is still a good idea to schedule a preventative AC maintenance appointment.

During a preventative maintenance appointment, a technician will perform a thorough inspection of your unit, determining any potential problems before they become a nuisance and require more expensive AC repairs. They will also take care of a lot of the cleaning we mentioned above so you don’t have to!

Keep in mind: It is normal for an ac to smell when it is turned on for the first time in a while. If the smell lingers longer than 15-20 minutes, there may be a deeper issue.


No appliance can last forever and your air conditioner is no exception. The average unit will last between 10-15 years. After they reach this age, you will notice a decline in their efficiency and an increase in the repairs they need.

It may be time for AC replacement if it is older than 15 years and/or if you are experiencing these issues:

  • Limited airflow
  • No cold air
  • Moisture problems
  • Strange noises
  • Uneven cooling

A good rule of thumb: if the cost of the repair is more than half of the cost of a new unit, it’s time to replace it.

AC Services in San Antonio

It’s time to get your air conditioner ready with Zimmermann Air Conditioning & Heating! Our experts are ready to help you stay cool and comfortable all summer long. Give us a call at (210) 880-0885 or schedule your appointment online today!