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How Often Should HVAC Units Be Professionally Cleaned?

A dirty HVAC system can cause serious health issues, from allergies to asthma. In fact, it’s estimated that a dirty AC unit can reduce energy efficiency by up to 25%. That’s why it’s important to clean your HVAC unit on a regular basis—especially if you live in an area with high pollen levels.

What is HVAC?

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HVAC units are responsible for the temperature and humidity in a building. They work by transferring heat or air through the system. Cleaning them regularly helps to keep the unit running smoothly and protects it from damages. Depending on the type of HVAC unit, cleanings might occur every few months or annually.

HVAC units can be split into two categories: mechanical and electrical. Mechanical units use fans and compressors to move air, while electrical units use heaters and fans to circulate air.

What are the Different Types of HVAC Units?

Frequency may vary depending on the type of HVAC unit and the environment it is installed in. Cleaning with a high-pressure water jet is the most efficient way to clean a HVAC unit, but this can be expensive. Regular inspections and maintenance can keep your HVAC unit in good condition and ensure that it operates at its best. When it comes to heating and cooling, HVAC units typically operate using the following three types of systems:

– Electric heating and cooling.

– Gas heating and cooling.

Central air conditioning.

What Causes HVAC Systems to Fail?

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There are a few reasons why your HVAC system might be having problems. System contaminants can build up over time, and when this happens the unit can become less efficient. Additionally, if the ductwork or other components of the HVAC system are not maintained properly, they can also start to malfunction. To prevent these issues from happening in the first place, it’s important to have your HVAC unit professionally cleaned at least once a year. By doing this you can help clear out any contaminants and ensure that your system is functioning at its best.

How Often Should HVAC Units Be Professionally Cleaned?

It is important to have your HVAC units professionally cleaned on a regular basis in order to maintain their performance and prevent the build-up of dirt, dust mites, and other allergens. Most experts recommend cleaning your unit every six months or every two years, whichever comes first.


If you own a home or business with an HVAC system, it is important to keep your unit clean and operational in order to maintain optimal air quality. Professional cleaning can help reduce the risk of allergies and asthma, while also helping to prevent damage from build-up. It is recommended that HVAC units be professionally cleaned every six months to one year, but this timeline may vary depending on the type of system and the specific needs of your property. If you have any questions about when your unit should be cleaned, please don’t hesitate to reach out to an HVAC professional.

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