A Complete Inspection Checklist for HVAC System / Air Duct Cleaning

Inspection is not only an essential part of HVAC cleaning but also plays a vital role in restoration project. A thorough inspection of HVAC system determines whether you should go for the professional cleaning services or not. Also it determines the entire scope of work including the use of cleaning tools, chemicals, safety measures etc. Therefore you should definitely consider inspection an integral part of HVAC cleaning to save lots of time and money.

What should be the minimum qualifications of HVAC Inspector?

Before hiring the professional you must keep in mind the qualification and experience of the professional inspection service provider. Consider the following points before taking the HVAC inspection and cleaning services

1. Inspector must be Air Systems Cleaning Specialist (ASCS),
2. Inspector must be Certified Ventilation Inspector (CVI), or equivalent
3. Inspector must understand the working knowledge of basic HVAC system design, fundamental HVAC engineering practices, current industry HVAC cleaning and restoration techniques, and applicable industry standards.
4. Inspector must be trained to inspect for microbial contamination and have the relevant experience. An individual must be licensed (where applicable by law) to find out Conditions 1, 2 and 3.
5. Inspector must be able to do risk assessment including impact of the inspection process on building, environment and occupants.
6. Inspector must be able to understand the layout including floor and mechanical plan of the home or building for inspection.

Which components of HVAC systems are included in inspection?

As per IICRC Standard 5520, it has been recommended that minimum 10% of HVAC system components must be included in inspection and then all the components shall be inspected.

1. Air Handling Unit including filters and air bypass, heating and cooling coils, condensate pans, condensate drain lines, humidification systems, acoustic insulation, fans and fan compartments, dampers, door gaskets, general unit integrity, fan coil units, evaporative coolers etc.
2. Supply Duct Inspection including air ducts, controls, mixing/control boxes, reheat coils and other internal components.
3. Return Duct Inspection including return air ducts, dampers, return plenums and grilles.
4. Exhaust Air Duct including general exhaust, bathroom exhaust and heat recovery exhaust.
5. Internal components including coils, dampers and fans
6. Damaged components

What kind of contamination in HVAC system and sir duct needs cleaning?

1. Accumulation of particulate
2. Contamination build-up
3. Visible dust and debris
4. Contamination because of fire, water damage or smoke
5. Birds, rodent and insects infestation
6. Construction debris or dust
7. Mold contamination of Condition 2 or Condition 3
8. Cleaning as per manufacturers guidelines
9. Cleaning as a part of energy management program
10. Cleaning as a part of indoor air quality management program

When is the Best time for Air Duct Cleaning inspection?

Determining the right time for HVAC system’s inspection is indeed a tedious task. Routine inspection can be done by visual means but if you need a thorough inspection of air duct and entire HVAC system then you must hire professionals. Below is the recommended HVAC cleanliness Inspection Schedule. The schedule may vary as per your geographical location and other conditions.

Induct Clean is a Licensed and Fully Insured Service Company covering the New Jersey and the Pennsylvania/Tri-State Area with the highest quality cleaning equipment and the most efficient restoration capabilities of any provider in the area.