

Most Pittsburgh homes lose 20–30% of heating and cooling energy through duct leaks. That’s wasted money, uneven comfort, and poor indoor air quality. At Calfo Home Services, we use Aeroseal duct sealing technology to find and fix leaks from the inside — no tearing into walls, no messy construction.
If you want lower utility bills, cleaner air, and consistent temperatures across your home, Aeroseal duct sealing in Pittsburgh is the proven solution.

This patented Aeroseal process is backed by science and trusted nationwide — and now Pittsburgh homeowners can experience it with Calfo’s expert installation.

We don’t just seal ducts. We deliver whole-home comfort solutions across the Greater Pittsburgh region, including:
When you call Calfo, you’re working with the trusted pros who treat your home like their own.
Don’t let leaky ducts drain your comfort and your wallet. Trust the whole-home experts at Calfo Home Services for Aeroseal duct sealing in Pittsburgh. Call today or book online to start saving money and breathing easier.

Aeroseal is a patented process that seals leaks from inside your ductwork using a safe aerosol mist. It improves comfort, cuts energy waste, and supports better indoor air quality in Pittsburgh homes.
We pressurize your duct system, introduce sealing particles, and those particles gather at leak points until gaps are closed. The process targets leaks only and does not coat the entire duct interior.
Yes. The sealant is non-toxic. You can remain at home during the service with no special prep.
Most Pittsburgh jobs take about 4 to 6 hours, depending on home size and duct complexity.
Many homeowners see 15 to 30 percent savings on heating and cooling costs once leaks are sealed and airflow is balanced.
Absolutely. Sealed ducts reduce hot and cold spots, so rooms heat and cool more evenly throughout the Greater Pittsburgh area’s seasons.
Yes. Sealing prevents dust, insulation fibers, and allergens from getting pulled into leaky return ducts and circulating through your home.
Often yes. Eliminating leaks can reduce whistling and rattling caused by turbulent airflow.
No. Aeroseal seals from the inside of your existing ducts. No demolition required.
No. The formula only bonds at leak sites where air escapes. Supply registers and returns remain unobstructed.
From hairline cracks up to roughly half an inch. This covers the vast majority of residential duct leaks.
Seals are tested to hold beyond 10 years. Calfo backs the work with strong workmanship and performance guarantees.
You receive a before and after leakage report that shows measured reduction. This verifies your Pittsburgh duct sealing results in black and white.
Call Calfo. Our certified technicians will re-inspect and resolve any concerns quickly.