Many of our customers have asked how we know that coil cleaning your Mini Split can achieve the savings benefits we claim. Consider the following articles and research which substantiate the benefits of regular Mini Split cleaning and sanitizing. Live Smart BC states that as little as 0.25 millimetre build-up can reduce efficiency by 20%.

In 2008 the National Air Duct Cleaners Association NADCA initiated a project with researchers from the University of Colorado at Boulder to conduct an in-depth study of this issue. The University has extensive research experience and is home to the Larson Building Systems Laboratory, one of the world’s most technologically advanced facilities for researching heating and cooling systems.

Their conclusion:

“When it comes to having a productive, energy-efficient heating and cooling system, airflow is everything. Increased airflow equates to better performance. But when systems become fouled, airflow is reduced. Dirty filters, clogged coils, fouled blowers, and other components – all of these things impede airflow and lead to increased energy costs. The solution is to have the heating and air conditioning system professionally cleaned.”

The research showed an 11% decrease in energy consumption on “…. slightly fould machines…”. Cleaning coils in heavily fouled machines resulted in a 30% improvement in airflow.

According to the U.S. Environmental Protection Agency (EPA), the U.S. Department of Energy (DOE), major utilities, and other experts, dirty condenser and evaporator coils can significantly increase HVAC energy usage and associated utility costs. The U.S. DOE says that “a dirty condenser coil can increase compressor energy consumption by 30 percent.” A dirty evaporator coil decreases airflow, resulting in reduced heat transfer and a degradation of the dehumidification process. These can cause overall air quality to decline and systems to fail, and decrease the life expectancy of motors due to increased heat while running.

Our experience with mini-split heat pumps under 2 yrs of age has shown that most of these machines would fall into the heavily fouled category.

Homeowners make a large investment when installing Mini Splits. A major part of their investment is calculating the rate of investment return. Don’t waste your energy savings on a dirty inefficient machine.

Contact Breathe Clean today to arrange for your cleaning appointment. Your wallet and your health will thank you.

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