Facility Managers & Commercial Building Owners:

You Should Be Concerned about Sick Buildings
& Indoor Air Quality.

 

Watch this video, “Control Building & Occupant Health with Air Duct Cleaning”:
https://www.youtube.com/watch?v=jNaxPr6gPSg

And be sure to read our Commercial Checklist (below), which was designed to help the commercial/industrial community understand NADCA’s recommendations regarding the HVAC system cleaning process.

NADCA advises reviewing the checklist items below BEFORE hiring an air duct cleaning company.

Commercial Checklist

 

1) Qualification of the HVAC System Cleaning Contractor
The HVAC system cleaning contractor will provide the following:

• Proof of NADCA membership and ASCS certification __YES __NO

• Proof of insurance __YES __NO

• Proof of proper license(s) as applicable __YES __NO

• A written proposal __YES __NO

2) Standards & Guidelines Used by the HVAC System Cleaning Contractor
The HVAC system cleaning contractor plans to follow:

• NADCA General Specifications for Cleaning of
Commercial HVAC Systems __YES __NO

• ACR, the NADCA Standard for Assessment, Cleaning
& Restoration of HVAC Systems __YES __NO

3) Documents Reviewed by the HVAC System Cleaning Contractor:
The HVAC system cleaning contractor will:

Review project drawings __YES __NO

• Review project specifications __YES __NO

4) Inspections:
The HVAC system cleaning contractor will:

• Conduct an assessment prior to performing the work __YES __NO

5) Work Plans:
The HVAC system cleaning contractor will:

• Provide a written work plan __YES __NO

• Provide a scope of work within the work plan that
identifies what components will be cleaned or restored __YES __NO

• Outline any special requirements needed for cleaning
(i.e. power, water, lifts) __YES __NO

6) Engineering Controls:
The HVAC system cleaning contractor will:

• Define engineering controls __YES __NO

• Use vacuum collection equipment utilizing HEPA filtration
with 99.97% collection efficiency at 0.3 micron article size,
if exhausting within the building envelope __YES __NO

7) Cleaning & Restoration:
The HVAC system cleaning contractor will:

• Maintain the HVAC system at appropriate negative
pressure differential __YES __NO

• Outline the cleaning methods to be used __YES __NO

• Clean specified components in accordance with the
NADCA General Specifications __YES __NO

• Identify any chemical products that may be used and
will provide Safety Data Sheets (SDS) __YES __NO

• Report pre-existing damage to HVAC components
found during cleaning __YES __NO

8) Cleanliness Verification
The HVAC system cleaning contractor will:

• Perform cleanliness verification as outlined in the
scope of work __YES __NO

• Identify post-project documentation __YES __NO

Source: National Air Duct Cleaners Association (NADCA)

Aspen Air Duct Cleaning is licensed and ensured, a member of the National Air Duct Cleaners Association (NADCA) and the National Organization of Remediators and Mold Inspectors (NORMI), and is an approved Aeroseal dealer.

Call 1-800-931-6653 or email info@aspenenvironmentalservices.com, for an Air Duct System Inspection and to learn more about how sealing air duct leaks can improve indoor air quality and reduce energy costs.