Refresh your knowledge needed to improve customers’ system performance!

August 5 - 6, 2025
From 10:00 a.m. to 2:00 p.m. Eastern

Prevent carbon monoxide (CO) hazards, and increase profitability.

Successful completion of this class qualifies the student for a two-year recertification in:

• Combustion and CO Analyst

You must be already NCI certified to be able to attend NCI Online recertification classes, which will be available for a limited time. All registrations will be verified prior to admission.

You may also like the following events from National Comfort Institute:

• This month, 29th July, 02:00 pm, Airflow Testing & Diagnostics Online Live! in Morristown, Tennessee
• Next month, 12th August, 08:00 am, Residential HVAC System Performance & Air Balancing in Lewisville, TX in Lewisville
• Next month, 19th August, 08:00 am, Residential HVAC System Performance & Air Balancing in Mentor, OH in Mentor

Also check out other Workshops in Hayle.