Summary of Coil Cleaning Program History

Sept 2004-2005

Ontario Cool Air Duct Cleaning (Cool Air) invented vacuum cleaning apparatus and cleaning method for condenser and evaporator coils of coolers and freezers in all indoor units.

Sept 2005

Presented the benefit of coil cleaning to PowerStream and agreed to conduct a pilot program to measure energy savings from coil cleaning. PowerStream provided energy meters for the pilot program.

Oct 2005 – Feb 2006

Collected energy consumption before and after cleaning coils at participating convenience stores, and submitted the acquired data to PowerStream with a proposal for conducting a larger scale pilot program.


Presented the proposal for conducting a pilot coil cleaning program for stores in Markham to the City of Markham, the Clean Air Foundation and PowerStream officials.

Provided energy savings data collected from the initial pilot program to the Clean Air Foundation and participated in the Cool Shop Program.

Clean Air Foundation used the data provided by Cool Air in OCSA Convenience Store Pilot Project Final Report that was submitted to OPA.

March 2007

Submitted PCT International Application (PCT/KR2007/001244)


Successfully demonstrated the Coil Cleaning in the No Catch to Conserve direct install program, funded by the OPA, PowerStream, and GreenSaver.


Applied for a patent to the USA and Canada.


We have changed our company name to Cool Air Coil Cleaning Ltd.


Received the patent for our Coil Cleaning, from U.S.

Invented new cleaning method and equipment for PTAC (Packaged Terminal Air Conditioner) used by hotels, and developed heating/cooling systems used by individual units in condominiums and other tall buildings.

Trying to participate in funding programs that support technologies regarding energy savings and environmental conservation.

2012 – 2013

Developed Cleaning Box and technology for PTAC maintenance.


Applied for patent regarding Vacuum Cleaning Apparatus.

Decision made to participate coil cleanings involved in OPA’s retrofit program: up to 50% of expense is supported.