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August 6, 202410:00 AM - 2:00 PM ET

About Our NYS-Approved Mold Refresher Course

It is an intensive half-day online workshop covering the required content outlined in the NYSDOL syllabus, concerns with mold/microbial exposures for remediation personnel, and how to minimize those risks with good personal & job site safety practices. Topics include:

  • Why Are We So Concerned About Mold and Other Microbes in the Indoor Environment -  A concise review of the health-related risks from exposures.

  • Respiratory Protection & PPE - Choosing the appropriate respirator and filtration, fit testing, fit checks, and OSHA compliance.

  • Job Site Safety - Control of Hazardous Energy Sources on the work site, how to use ladders, scaffolds and man lifts safely, plus, real-world examples of both proper & improper safety practices.

  • Roundtable Discussion - Group discussion about concerns and real-life experiences pertaining to mold assessments & remediation work.

  • NYS Article 32 Requirements - Review of key areas in the NYS Mold regulations for licensed professionals.


Meet Your NYS Requirements & Earn ACAC Continuing Education Credits (CEUs)

This class is an approved Refresher Class for all NYS Mold Licenses and you will also earn (4) CEUs towards your ACAC Certifications.

Requirements to Attend this Live Online Class

Per NYS Department of Labor requirements for online classes, all students must have a functioning webcam and microphone (or compatible smartphone or tablet with camera) to receive credit for attending this class!


Students should also have a cell phone with text capabilities to participate in online polls/quizzes during the class. 


We strongly recommend having a headset/mic combo, but students can also use their computer's built-in microphone, along with external earphones/earbuds, or use their smartphone/tablet for camera & audio.

Contact us directly to discuss customized classroom configurations (such as having multiple students in a company training room, etc.) to meet your specific needs--we're happy to come up with solutions for you!

Cancellation / Reschedule / Refund Policy


Need to Reschedule? No Problem.

We understand that sometimes situations arise that may require you to miss a scheduled training session.  You can reschedule for another available class with no additional fees.


Our Satisfaction Guarantee is committed to providing you with the best training experience possible. We're pretty sure you'll happy with our offerings, and we back that with a 100% guarantee--If our class fails to meet your expectations, we will refund your fee, period!

NYS-Approved Mold Refresher Online Course




Our NYS Mold Refresher Course was the first live, online 4-hour class, approved by the NYS Department of Labor to meet the biennial training requirements for maintaining all New York State Mold Assessor, Mold Remediation Contractor, or Mold Abatement Worker licenses.

  • Take your class online and eliminate time & travel costs

  • Highly informative and engaging content

  • We email your Certificate of Completion the day of your class



Group Discounts are available for this class!  Register 2 or more students together and save 10% off our regular price! Remember, you can take your refresher class up to 12-months before your actual renewal date--so take advantage of this discount offer for additional students, even if they don't need their refresher yet!


We can also provide an online class for a group of your employees, delivered right to your conference room!

Please call or email us at: to get special pricing large groups and in-house training options. We can schedule a class to accommodate your specific needs! 

About the Instructor

Bob Krell, CIEC, CMRS, LEED-AP, NYS-Licensed Mold Assessor

Syracuse, NY


Bob has been a nationally recognized indoor environmental consultant and trainer in the IAQ industry for over 30 years. He has designed and managed successful indoor environmental and building performance projects for residential, commercial, educational, and healthcare facilities throughout the U.S. and abroad, and conducted hundreds of investigations since 1990.


In 2000, he served on the American Indoor Air Quality Council’s (now ACAC) development committee to create their Certified Microbial Remediation Supervisor (CMRS) program, the IAQ-industry’s first board-approved mold certification. 


He authored the principal course materials and delivered training courses to over 1000 CMRS candidates throughout the country.

Bob Krell served on the National Air Duct Cleaners Association (NADCA) Board of Directors for three consecutive terms from 1990-2000.  He served on the Executive Committee in both Secretary and vice president capacities.  Bob was the Project Manager for the EPA-NADCA HVAC Systems Cleaning Study in 1996-1998, and chaired the Standards Committee from 1997-2000.  In 2015, he was inducted to the NADCA Hall of Fame for his industry contributions.


Bob is president of IAQ Technologies, Inc., a Syracuse, NY-based indoor environmental and building performance firm offering consulting, mitigation and training services to a variety of clients throughout the country and abroad. Bob is the founder of Healthy Indoors Magazine, and the Training Director for, which provides live virtual classroom distance learning offerings for the indoor environmental industry.


He has presented at numerous industry conferences, appeared on national television and radio, produces educational videos and webinars and is widely published on indoor environmental topics. He also moderates “The Healthy Indoors” discussion group on LinkedIn.

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