Debunking Common AC Repair Myths for San Bernardino Homeowners


Air conditioning is indispensable in keeping our homes comfortable in San Bernardino, especially during those scorching summer months. Like most homeowners, you might have come across various myths and misconceptions surrounding AC repair, which can sometimes lead to confusion, inefficiencies, or even expensive mistakes. With accurate information, you can better understand your air conditioning system’s needs and make smarter decisions that benefit both your home and your wallet.

Debunk some of the most common AC repair myths with 4 Points A/C and Heating and gain the right knowledge necessary for efficient and budget-friendly cooling solutions. By clearly understanding the facts and working with trusted professionals like the team, you can ensure that your San Bernardino home stays cool, comfortable, and efficient throughout the year.

Our experienced technicians are dedicated to providing top-quality AC repair, installation, and maintenance services to San Bernardino homeowners. We believe in empowering our clients by helping them understand their air conditioning systems and providing the expert guidance needed to make informed choices that maximize comfort, efficiency, and longevity.

Common AC Repair Myths to Be Aware Of

To make informed decisions about your air conditioning system’s needs, it’s important to recognize and dispel the many myths that surround AC repair. Below are some of the most prevalent misconceptions and the realities behind them.

Myth 1 – Regular AC Repair and Maintenance Isn’t Necessary

Some homeowners may believe that their AC system only requires attention when it breaks down or malfunctions. This misconception can lead to unnecessary wear and tear on your system, reduced efficiency, and shortened equipment lifespan.

Reality: Regular AC maintenance and timely repairs are essential to keeping your air conditioning system running efficiently and prolonging its service life. Preventative maintenance can catch minor issues before they become major problems, saving time, money, and stress in the long run.

Myth 2 – Bigger is Always Better With AC Systems

A common misconception is that investing in an oversized air conditioning system will provide faster, better cooling for your home. While it may seem like a logical notion, it can actually be detrimental to your home’s overall comfort and energy efficiency.

Reality: An oversized AC system can hinder temperature regulation, frequently switching on and off, and consuming more energy than necessary. A properly sized air conditioning system tailored to your home’s specific needs is vital for maintaining optimal comfort and efficiency.

Myth 3 – Lowering Your Thermostat Improves Cooling Effectiveness

It’s natural to assume that lowering the thermostat temperature will cool your home faster, but this is not the case. Your AC system cools your home at a constant pace, regardless of the thermostat setting.

Reality: Lowering your thermostat doesn’t increase your AC system’s cooling rate; it just makes the system work longer to reach the set temperature. Instead, maintaining a consistent temperature can help your system cool your home more efficiently, avoiding excessive energy consumption.

Myth 4 – Duct Tape is an Effective Solution for Sealing Ductwork

Contrary to popular belief, utilizing duct tape to seal leaks in your ductwork is not a reliable solution. Although duct tape may provide a temporary fix, it’s not a long-term or preventative measure.

Reality: The professionals can accurately identify leaks and seal them with the proper materials, such as mastic sealant or foil tape, ensuring a lasting solution that contributes to your air conditioning system’s efficiency and overall performance.

Making the Most of Your AC System: Tips for San Bernardino Homeowners

Now that we’ve debunked some of the most common AC repair myths, it’s time to consider the steps you can take to optimize your air conditioning system:

  1. Work with HVAC Professionals: Partnering with a trusted HVAC provider like ours can help you make the most of your AC system by ensuring accurate sizing, proper installation, and ongoing maintenance for optimal efficiency and comfort.
  2. Maintain a Consistent Thermostat Setting: As mentioned earlier, maintaining a consistent thermostat setting can help your system cool your home more efficiently, minimizing unnecessary energy consumption and reducing your energy bills.
  3. Invest in Regular AC Maintenance: Routine AC maintenance, including filter changes, coil cleaning, and refrigerant checks, can prevent minor issues from becoming significant problems and contribute to your system’s longevity and efficiency.
  4. Seal Ductwork Properly: Reach out to professionals like those to inspect and seal any leaks in your ductwork, reducing energy waste and improving your system’s overall efficiency.


Dispelling common AC repair myths and misconceptions is essential for making informed decisions about your air conditioning system’s needs and optimizing its performance. Armed with the facts, you can better understand your system’s specific requirements and maximize its efficiency, longevity, and overall contribution to your San Bernardino home’s comfort.

Our experts at 4 Points A/C and Heating are here to help you feel confident and informed about your air conditioning system’s maintenance and repair needs. With our professional guidance and services, you can ensure that your San Bernardino home stays cool, comfortable, and efficient all year long. Contact us today to learn more about our comprehensive range of AC repair services in San Bernardino, CA, and surrounding areas!