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Summertime HVAC Cleaning Checklist

Key Takeaways

How to Keep Your HVAC Running Smoothly This Summer:

  • Check Air Filters: Replacing disposable or cleaning reusable filters monthly improve air quality and efficiency.
  • Clear Outdoor Unit: Remove debris to prevent overheating and enhance airflow.
  • Clean Condensate Drain Line: Use a bleach solution to prevent clogs and moisture buildup.
  • Inspect Fins and Coils: Cleaning will maintain optimal airflow and heat absorption.
  • Program Your Thermostat: Adjust settings to save on energy bills and reduce strain on your system.
  • Professional Maintenance: Schedule an annual checkup to ensure peak performance and prevent costly repairs.

As the mercury rises in Las Vegas, your air conditioning system becomes your best friend. However, without proper maintenance, even the most reliable AC units can falter just when you need them most. Regular cleaning is essential to maintain efficiency, extend your system’s lifespan, and keep those utility bills in check. Here’s your comprehensive summertime HVAC cleaning checklist.

1. Replace or Clean Air Filters

One of the easiest yet most overlooked aspects of HVAC maintenance is managing the air filters. During the summer months, when dust and allergens are rampant, it’s advisable to check your filters monthly. If they’re disposable, replace them; if they’re reusable, give them a thorough clean. Clean filters ensure better air quality and help your system operate at peak efficiency, reducing the need for repair.

2. Clear Debris from the Outdoor Unit

The outdoor unit of your air conditioner needs breathing room. Remove leaves, twigs, and debris that might have accumulated around the unit. A clear two-foot space around your outdoor AC unit can significantly improve its functionality and efficiency. This simple task can prevent overheating and help with more efficient air flow.

3. Check and Clean the Condensate Drain Line

The condensate line can become clogged with algae and mold, leading to inefficiency and even water leaks, which could potentially damage your property. Flushing the line with a cup of bleach and water solution can keep it clear. Remember, a clean condensate line ensures that your system effectively removes humidity and excess moisture from your home, keeping the indoor air comfortable.

4. Inspect the Fins and Coils

Over time, the fins and coils on your AC unit can accumulate dirt and debris, which can reduce airflow and decrease the system’s ability to absorb heat. Gently hose down the coils and straighten any bent fins using a fin comb. This maintenance ensures your system remains efficient throughout its peak usage, reducing the chances of breakdown.

5. Program Your Thermostat

A programmable thermostat can be a game-changer for your energy bills. Set your thermostat to a higher temperature when you’re not home and to cool down right before you return. This simple adjustment can save you money on energy bills and reduce unnecessary strain on your HVAC system during the hot summer days.

6. Schedule Professional Maintenance

While DIY maintenance can go a long way, nothing replaces professional service. A certified HVAC technician can perform a comprehensive checkup, including checking refrigerant levels, testing for leaks, assessing electrical terminals, and ensuring the system operates smoothly. This annual checkup can prevent costly repairs and extend the life of your unit.


Tending to your HVAC unit before the sweltering Las Vegas heat arrives is more than a suggestion—it’s a necessity for ensuring comfort and avoiding unexpected repair costs. The summer heat can be relentless, putting immense strain on your cooling system. By keeping your HVAC system in top-notch condition, you not only extend its lifespan but also enhance its efficiency and reliability when you need it most.

Is your HVAC system ready to handle the intensity of a Las Vegas summer? Don’t wait for the heat to test your system’s limits. Contact Evolve Air Conditioning and Heating for a thorough inspection and tune-up. Schedule your service today to ensure a cool, comfortable summer in your home. Avoid the rush and secure your peace of mind with our expert team standing by to enhance your home’s cooling efficiency. Stay cool, stay comfortable—reach out to us now!


How often should I check my HVAC air filters during summer?

It’s advisable to check your HVAC air filters monthly during the summer to ensure they are clean and functional, especially with increased allergens and dust. Dirty filters contribute to poor HVAC performance.

What routine maintenance should be done on the outdoor HVAC unit?

Keep a two-foot clearance around your outdoor HVAC unit by removing leaves, twigs, and debris. This prevents overheating and ensures efficient airflow, allowing your unit to work at optimal function.

Why is it important to clean the condensate drain line in my HVAC system?

Cleaning the condensate drain line prevents algae and mold buildup, which can lead to inefficiency and water leaks, potentially damaging your property and HVAC system.

What is the best way to clean HVAC air filters?

For disposable filters, replace them once they are dirty. For reusable filters, remove and wash them gently with water, then let them dry completely before reinstalling.

How can I tell if my HVAC system’s fins and coils need cleaning?

Inspect the fins and coils for visible dirt and debris. Reduced airflow and a decrease in cooling efficiency can also indicate that it’s time for a cleaning.

How does a programmable thermostat benefit my HVAC system during summer?

A programmable thermostat can reduce wear and tear on your HVAC system by maintaining a consistent temperature. It also helps save on energy costs by adjusting the temperature when you are away and cooling your home just before you return.

Can DIY maintenance replace professional HVAC servicing?

While DIY maintenance, such as cleaning filters and coils, is important, it does not replace the need for professional servicing, which includes tasks like checking refrigerant levels and electrical terminals that require specialized knowledge and tools.

What are the risks of not maintaining my HVAC system in summer?

Neglecting summer maintenance can lead to decreased efficiency, higher utility bills, poor air quality, and potential system failures, leading to costly repairs or replacement.

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