Severely deteriorated flex ductwork with torn foil jacket and failing insulation
Duct Replacement — Upstate SC

Your Ducts May Be Costing You More Than You Think

Most homeowners never see their ductwork — it's hidden in crawlspaces and attics. But when it's leaking, collapsed, or undersized, every room in your house pays the price. We inspect, design, and replace duct systems that actually deliver.

20–30%
of conditioned air lost through leaky ducts
15–20 yrs
typical ductwork lifespan before replacement
1–2 Days
most residential duct replacements complete

Real Garris Air Jobs

What We Find in Crawlspaces and Attics

These are real photos from Garris Air jobs across Upstate SC — not stock images. This is what failing ductwork actually looks like.

Torn flex duct with failed foil jacket and deteriorated insulation under a porch

Torn flex duct — foil jacket failed, insulation falling off

New flex duct installation in attic — properly supported and insulated, Garris Air

Attic ductwork — new flex duct, properly supported

Rusted sheet metal plenum with deteriorated duct connections in crawlspace

Rusted plenum — failed duct tape, corroded connections

Warning Signs

Signs Your Ductwork May Need Replacing

Ductwork problems are often invisible — but their effects show up in your comfort, your air quality, and your energy bills.

  • Uneven temperatures from room to room
  • Weak or inconsistent airflow from vents
  • Excessive dust buildup throughout the home
  • Musty or stale odors coming from vents
  • Unusually high energy bills
  • Visible damage, gaps, or disconnected sections
  • Rattling, whistling, or banging from ductwork
  • System running constantly but not reaching temperature

Not sure if you need replacement?

We offer honest duct inspections. We'll tell you exactly what we find — and whether repair or replacement makes more sense for your situation. No pressure, no upselling.

Attic ductwork inspection
Crawlspace duct assessment
Airflow testing
Written honest recommendation
Schedule an Inspection

Why It Matters

Benefits of New Ductwork

Lower Energy Bills

Leaky or damaged ducts can waste 20–30% of conditioned air. New ductwork keeps that air where it belongs — in your living spaces.

Better Comfort

Properly sized and sealed ducts deliver consistent airflow to every room, eliminating hot and cold spots.

Improved Air Quality

Old, deteriorated ductwork can pull in dust, allergens, and contaminants from attics and crawlspaces. New ducts keep your air clean.

Protect Your Equipment

Duct problems force your HVAC system to work harder, shortening its lifespan. Replacing failing ductwork protects your investment.

Our Process

How Garris Air Handles Duct Replacement

01

Duct Inspection

We inspect your existing ductwork — checking for leaks, damage, improper sizing, and airflow restrictions.

02

Honest Assessment

We tell you exactly what we find and what we recommend. No upselling, no scare tactics — just an honest evaluation.

03

Custom Design

We design a duct system sized correctly for your home and HVAC equipment, following ACCA Manual D standards.

04

Professional Installation

Our technicians install your new ductwork cleanly and efficiently, with minimal disruption to your home.

05

Testing & Verification

We test airflow and system performance after installation to confirm everything is working as designed.

What's Included

Our Duct Replacement Checklist

Every Garris Air duct replacement follows a thorough process — from inspection through post-installation testing.

  • Full duct system inspection and airflow testing
  • ACCA Manual D load calculation for proper sizing
  • Removal of old, damaged, or deteriorated ductwork
  • Installation of new insulated flex or sheet metal ducts
  • Sealed connections at all joints and registers
  • Proper support and routing through attic or crawlspace
  • Register and grille replacement as needed
  • Post-installation airflow and performance verification

Indoor Air Quality Impact

Old ductwork in attics and crawlspaces can pull in dust, mold spores, and allergens — circulating them throughout your home. New, properly sealed ducts dramatically improve indoor air quality.

Learn about Indoor Air Quality
FAQ

Duct Replacement — Common Questions

How do I know if my ductwork needs to be replaced?+

Common signs include uneven temperatures, weak airflow, excessive dust, high energy bills, and ductwork that is more than 15–20 years old. We offer honest inspections to assess your system.

Can you repair ducts instead of replacing them?+

In many cases, yes. We will always tell you honestly whether repair or replacement is the better option for your situation. Partial repairs are often appropriate for newer systems with isolated damage.

How long does duct replacement take?+

Most residential duct replacement projects are completed in one to two days, depending on the size of your home and the complexity of the system.

Will duct replacement improve my energy bills?+

In most cases, yes. Leaky or undersized ductwork is one of the most common causes of high energy bills. Properly sealed and sized ducts can reduce HVAC energy use by 20–30%.

Do you offer financing for duct replacement?+

Yes. We offer flexible financing options to make duct replacement affordable. Ask us about current programs when you call.

Is duct replacement covered by the Comfort Savings Plan?+

The Comfort Savings Plan covers your annual maintenance tune-up and provides repair discounts. Duct replacement is a separate service — ask us about pricing and financing options.

Ready for Better Airflow and Lower Energy Bills?

Honest duct inspection, fair pricing, and professional installation — serving Greenville, Spartanburg, and all of Upstate South Carolina.