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The Summer Heat's Impact on HVAC Units:

What You Need to Know


Temperatures soar, and our reliance on HVAC systems intensifies. While we enjoy the cool comfort these units provide, it’s important to recognize how the summer heat impacts HVAC performance and what steps we can take to maintain efficiency and longevity.


How Summer Heat Affects HVAC Units

1) Increased useage

During summer, HVAC units work overtime to keep indoor environments cool. The continuous operation can strain components, leading to wear and tear. To maintain desired indoor temperatures, systems run for extended periods, which can decrease their efficiency and increase the likelihood of breakdowns.  

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2) Heat Exchange Efficiency

These units expel the heat absorbed from inside the house. High outdoor temperatures make it harder for the condenser to release heat, reducing overall efficiency. Proper refrigerant levels are crucial for effective cooling. In extreme heat, refrigerant can evaporate more quickly, causing the system to underperform. Humidity

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3) Humidity

Summer brings high humidity, which can overburden the HVAC system. High humidity levels inside can make the air feel warmer than it is, prompting the system to work harder. With constant use, air filters can clog faster in summer, leading to poor air quality and reduced system efficiency.

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The electrical components, including the compressor, are more likely to overheat and fail during periods of intense heat. Poor insulation can exacerbate the problem, forcing the HVAC system to compensate for the excess heat entering the home.


Tips to Maintain Your HVAC System During Summer


1) Regular Maintenance -

Professional maintenance before the peak summer months can ensure your system is in top condition. Technicians can check refrigerant levels, inspect electrical components, and clean coils.

To Schedule your maintenance today call (559)-908-0992

2) Optimize Your System

Use programmable thermostats to set higher temperatures when the house is empty, reducing the strain on your system. If possible, install zoning systems to cool specific areas of your home, improving efficiency and comfort.

3) Enhance Home Efficiency

Proper insulation and sealing of windows and doors prevent cool air from escaping and hot air from entering, reducing the workload on your HVAC unit. Use curtains, blinds, and shades to block direct sunlight. Ensure adequate ventilation in attics to dissipate heat.

4) Monitor and Upgrade:

Keep an eye on your system’s performance. Unusual noises, longer cooling times, or higher energy bills can indicate issues that need addressing. Consider upgrading to more efficient systems if your current unit is old or frequently needs repairs. Modern HVAC units are designed to handle extreme temperatures more efficiently.


The summer heat undeniably puts a strain on HVAC systems, but with proper maintenance and smart strategies, you can keep your unit running efficiently throughout the season. By understanding the challenges and taking proactive steps, you ensure a comfortable, cool home and extend the life of your HVAC system. Stay cool and efficient this summer!


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