More than anything, we care about getting the job done right; no shortcuts, no delays. Our respectful, experienced team always shows up ready to work with a smile!
NADCA certified to inspect commercial HVAC systems
Capitol Duct Cleaning offers certified commercial HVAC inspections.
Whether you own a coffee stand or a hotel, as a business, it is always good to know what steps you should take to avoid expensive breakdowns and repairs. This proactivity is especially necessary when it comes to your commercial HVAC system.
We help you address potential maintenance needs before they become emergencies. The inspectors look for any dirt, obstructions, excess moisture, and microbial contamination that may affect your HVAC system’s performance or your health and comfort.
More than anything, we care about getting the job done right; no shortcuts, no delays. Our respectful, experienced team always shows up ready to work with a smile!
Our certified inspector serves commercial HVAC systems across Washington and beyond. Backed by NADCA certification, our process is trusted and recognized industry-wide.
Go over the building’s layout, history, and existing HVAC documentation.
Do a physical walkthrough to understand the space and HVAC system in person.
Create a detailed Scope of Work for your review before the inspection begins.
Inspect all key components—air handling units (AHUs), supply ducts, return ducts, outdoor intake ducts, and exhaust systems.
NADCA’s global recognition means that our inspector is more than qualified—and available—to serve any business in Washington.
NADCA sets the benchmark for professionalism and quality in HVAC system cleaning. As a leading association in the industry, NADCA offers training, technical standards, and certification programs that help ensure contractors meet the highest levels of service and safety.
“NADCA is recognized within the HVAC industry as the gold standard for HVAC cleaning certification. As an independent association, NADCA provides quality standardization, training, and certification for the entire HVAC cleaning industry.”
-NADCA
What CVI Certification Offers Your Business
When it comes to HVAC inspections, knowing who you’re working with is important, both for peace of mind and the assurance that work is completed as promised. HVAC systems are a major investment, and not something you want to leave to guesswork.
Our team has completed formal training and passed certification exams to provide your business with informed, up-to-date evaluations of your system.
Our Technicians: Certified Air Systems Cleaning Specialists
At Capitol Duct Cleaning, our technicians hold active Air Systems Cleaning Specialist (ASCS) certifications. This certification is a required step toward earning the NADCA Certified Ventilation Inspector (CVI) credential. The CVI designation means your inspector has advanced knowledge of HVAC systems and understands the most current cleaning and inspection practices in the industry.
We Are Certified Air Systems Cleaning Specialists
Our technicians hold active Air Systems Cleaning Specialist (ASCS) certification, a prerequisite for attaining the NADCA CVI certification. The CVI demonstrates that your inspector understands the most current practices and applications within the HVAC industry.
Certification Standards You Can Trust
Capitol Duct Cleaning stays up to date with all NADCA certification requirements. The CVI credential comes with strict standards and must be renewed every three years. We make sure our team is always qualified, prepared, and equipped to assess your HVAC system with accuracy and professionalism.