News
Cleaning Evaporator Coils are Easy, But How Many Can Do It Correctly?
The conventional chemical foaming agent cleaning method is a ABC step that takes 10-15 minutes of a technicians time; however coils over 4”-14” all the foaming agent is doing is pushing the debris deeper into the coil causing air flow problems, cooling problems, comfort problems and indoor air quality problems.
Anyone can clean an evaporator coil, but how many can do
it right? The answer to this question is; not many. This is one of
those basic tasks that seams easy and as with all things that appear simple on
the surface, but without the proper training and professional equipment it can
be messed up blink of an eye. The conventional chemical foaming
agent cleaning method is an ABC step that takes 10-15 minutes of a technicians
time; however coils over 4”-14” all the foaming agent is doing is pushing the
debris deeper into the coil causing air flow problems, cooling problems,
comfort problems and indoor air quality problems. The surface of the coil looks
clean though deep in the coil billions of spores and particulate continue to
thrive.
The first item is coil cleaning chemicals. Every air
conditioning service truck has at least four or five plastic jugs of assorted
coil cleaning solutions. Each has a label that includes information concerning
the products use, safety precautions, and some form of slick "snake
oil" type advertising that promises bright, shiny coils with minimal
effort. No matter, no one ever reads them effectively, instead they pick the
cleaner by color; pink for light dirt, blue for heavier dirt, yellow for coils
located near kitchen exhaust fans and away they go. 15 minutes later they
are done and on their way. What a tragedy. All they’ve done is
cause a worse condition before they started.
Chemicals should never be used on corrosive coated coils
such as E- Coat coils, Heresite coated coils, Luvata, Technicoat,
etc... just to name a few. Using the wrong coil cleaner or process on
these coils can destroy the protective coating and possibly the coil itself.
The easy way to remember what type of cleaner to use is to not use any cleaner
at all if you can help it!
One of the best ways to professionally clean evaporator
coils is by using superheated steam to clean their heat exchangers (heating and
cooling coils) utilizing the Pure-Steam process
made it possible to effectively remove dust and associated biofilm lodged deep
in the fins. This process known as “PURE-Steam
Sterilization Cleaning Process” saves labor and materials, is chemical
free, cleans deeper and better, kills and removes bacterial and fungal growth
and sterilizes the coils in the process. The final product affords increased
heat transfer efficiency and reduces the energy needed to move the air across
the coils.
When Charlotte County School District went searching for
additional ways for the school district to save energy/money all the while
helping to improve indoor air quality was when Don Terry, Manager Maintenance,
Charlotte County School District sought the professional IAQ services of Pure
Air Control Services and the PURE-Steam coil cleaning (No Chemicals) process.
Mr. Terry stated that “The Pure-Steam Coil Cleaning (PSCC) process is absolutely
remarkable. We have been cleaning our coils the conventional way for many
years with chemicals and water and we never were able to get the coils as clean
as we would like to have oftentimes still leaving an odor. The Pure-Steam
Coil Cleaning process is all natural (no chemicals), actually sterilizes our
coils using 300 degree steam getting our coils sparking clean like never
before, our static pressure is now back to manufacturer spec, we are getting
better air flow and increase of cooling capacity.”
Additionally, it is a good idea to inspect the air
handler and air ducts before you start remodeling, reconstruction or installing
a new air handling system. Chances are that the air duct systems have not
been cleaned since they were built or if they were they most likely were not
done professionally. Oftentimes original construction debris, sanded
sheetrock, molding or ceiling and wall texture overspray, is still in the duct
20 to 30 years later. Environmental constituents such as mold, bacteria,
mycotoxins and endotoxins exist in the air ducts a result of neglect often
spewing spores into the occupied spaces. The amount of debris removed
from HVAC system can be astonishing, oftentimes 10’s of pounds of debris
removed most of which is allergy causing to building occupants.
HVAC systems have a significant effect on the health,
comfort, and productivity of occupants. Issues like user discomfort,
improper ventilation, and poor indoor air quality are linked to HVAC system
design and operation and can be improved by professional environmental
cleaning.
Contact Cy Garner or Doug Randall at 1-800-422-7873 ext
804 to discuss your next IAQ HVAC cleaning project and find our how much you
can save and improve your IAQ.
About Pure Air Control
Services:
Pure Air Control Services, Inc. was
founded in 1984 as a small mechanical contracting firm today sets the industry
standard for indoor environmental quality diagnosis and remediation.
Pure Air Control Services is a
national provider of the following IAQ services: Building Sciences Evaluation;
Building Health Check, Environmental Diagnostics Laboratory (EDLab) an AIHA
accredited micro laboratory (USP 797 Lab analysis); DIY IAQ Green Check test
kits, Environmental Project Management; HVAC System Cleaning, PURE-Steam Coil
Cleaning and Mold Remediation Services among other indoor environmental
services.
The company’s expanding client
roster includes the General Services Administration (GSA); Federal Aviation
Administration (FAA), Allstate Insurance; Carrier Air Conditioning; Naval Air
Warfare Center, Orlando; and Naval Air Station - King's Bay, Georgia, and many
other Fortune 500 companies, school boards, and city, state, and county
governments, making Pure Air the reliable industry leader.
For more information on Pure Air
Control Services contact Alan Wozniak or Dr. Rajiv Sahay at
1-800-422-7873
###
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Why indoor air quality is important to all of us?
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Pure Air Control Services Launches New Interactive Website
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Pure Air Control Services Awarded Certification from Doctor Trusted
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Commercial Energy Solutions Seminar July 26, 2013
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Pure Air Control, Services, Inc.
Get DirectionsPure Air Control, Services, Inc.
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4911 Creekside Drive
Clearwater, Florida 33760
United States - 1 (800) 422-7873
