Professional duct inspection & sealing
Leaky ducts lose 20–30% of conditioned air before it reaches your rooms.
Supply ducts: The sheet-metal box and branch ducts carrying heated air away. Joints here are the usual place conditioned air escapes into an attic or crawlspace.
How to do it
This job is best handled by a licensed professional — HomeGuard can help you find one near you.
Common questions
How often should you professional duct inspection & sealing?
Every 3–5 years. Best in spring.
How much does it cost to professional duct inspection & sealing?
Typically $300 to $700 in parts and supplies. Skipping it risks roughly $900 in repair or replacement costs.
How long does it take?
About 3 hrs (pro).
Can I professional duct inspection & sealing myself?
This one should be done by a licensed professional. It involves systems where a mistake is dangerous or costly.
Which of these does your home actually need?
Answer a few questions about your home and HomeGuard builds your personalized maintenance schedule — the right tasks, at the right time of year, for your appliances and climate.
Build my free scheduleMore heating & cooling maintenance
Replace HVAC air filter
Every 3 months · 10 min
Annual HVAC professional tune-up
Once a year · 2 hrs (pro)
Prepare furnace for winter
Once a year · 30 min
Clean outdoor AC condenser
Once a year · 1 hr
Clear AC condensate drain line
Once a year · 30 min
Vacuum vents and return grilles
Every 3 months · 30 min