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Dirty evaporator coils significantly decrease air conditioner efficiency. Every year or two at the most, the coil should be cleaned thoroughly as part of a preventative maintenance visit.

Here are seven different techniques you can use to clean evaporator coils without taking the entire system apart. (Remember, before you open access panels and start working on the system, shut off the power to the A/C for safety reasons.)

  • Compressed air: This quick, effective cleaning method involves spraying compressed air at the evaporator coils. This is done in the opposite direction of normal airflow to avoid forcing dirt deeper into the coil fins or possibly bending the fins and clogging the system. To avoid spraying dust into the air handler or your eyes, and to make cleanup easier, use a shop vacuum in conjunction with the compressed air cleaning method.
  • Steam cleaning: This is similar to using compressed air, but steam is used in place of just air. Spraying at the correct angle is important to prevent damaging the coils.
  • Brush cleaning: By brushing the coils with a soft brush every few months, you increase efficiency and prevent heavy debris buildup from ever occurring.
  • Chemicals: Commercial chemicals are available to clean evaporator coils. Before you choose an acidic or alkaline-based cleaner, check with the manufacturer to ensure they approve of your cleaning method.
  • Water and mild detergent: Using a hose and mild detergent is an excellent cleaning method with little risk of damaging the evaporator coils because of the relative gentleness compared to using chemicals.
  • Foam: Foaming cleaners are available specifically for cleaning air conditioner coils. A gentle brand is chemically benign to prevent corrosion or other problems.
  • Pressure washer: This aggressive cleaning method is the most thorough and effective for cleaning badly soiled evaporator coils. Professional HVAC companies use a portable pressure washer to get the job done.

To enjoy thorough, professional cleaning of the air conditioner evaporator coils without risking harm to the system, please contact Griffith Energy Services, Inc. We dispatch service vehicles from 12 different locations in Maryland, Virginia, Delaware and West Virginia to better serve you.

Written by

Dear Customers,

At this time, when the news is dominated by the Coronavirus (COVID-19) health emergency around the world, we wanted to personally reach out and let you know that we are vigilantly implementing enhanced protocols to ensure your safety and the safety of our team.

We are closely monitoring the guidance of the World Health Organization and the Centers for Disease Control regarding the spread of the virus. This is an evolving situation and we will continue to develop and take necessary measures as needed. Our focus is to ensure that we meet customer needs while doing our part to keep you, our employees, and our communities safe.

Here’s what we’re doing:

  • Everyone on our team has received enhanced training and protocol briefings. We will continue to evolve and adjust these protocols as needed.
  • We are implementing telecommuting options for positions where applicable.
  • Non-essential work travel is currently on hold for all employees.
  • We are conducting enhanced cleaning practices at our locations and are instructing employees to continually sanitize their work stations and vehicles.
  • We are also urging all employees to be vigilant about frequent hand washing.

Information for you:
If you have an existing service appointment, we look forward to seeing you and want to reassure you that we are doing everything we can to promote a safe and secure service experience.

During this challenging time, if you are experiencing symptoms related to the COVID-19 virus or have been exposed to it, in order to protect our team and all the customers we serve, we encourage you to please reschedule your service appointment, by calling us at 888-474-3391.

Your safety is our highest priority and we truly appreciate the trust that you place in our team and our company.

Best regards,
Griffith Energy Services
888-474-3391

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