Question 1

How often should air ducts be professionally cleaned?

Accepted Answer

Most homes benefit from professional cleaning every 3-5 years, though homes with pets, smokers, or allergy sufferers may need more frequent service.

Question 2

What's the difference between cheap and professional air duct cleaning?

Accepted Answer

Professional services use powerful negative pressure systems (5,000+ CFM), certified technicians, and follow NADCA standards, while cheap services often use inadequate equipment and untrained workers.

Question 3

How long does professional air duct cleaning take?

Accepted Answer

A typical residential cleaning takes 3-5 hours depending on system size and contamination levels, including setup, cleaning, and video inspection.

Question 4

Is air duct cleaning worth the cost?

Accepted Answer

Yes, professional cleaning improves indoor air quality, reduces allergens, increases HVAC efficiency, and can lower energy bills when performed correctly.

Question 5

How can I tell if an air duct cleaning company is legitimate?

Accepted Answer

Look for NADCA certification, proper licensing and insurance, written estimates, professional equipment, and avoid door-to-door solicitors or extremely low prices.

Technical and Process

Air Duct Cleaning Methods: Equipment, Techniques, and Industry Standards