DUCTWORK REPAIR & SEALING IN OREM

Orem's housing stock is mostly 60s, 70s, and 80s — and that means most of the ductwork you have today was installed when contractors used rules of thumb instead of Manual J calculations. Cheap flex duct in the attic with dried-out tape connections. Sheet metal trunks too small for the furnace they feed. Returns undersized to keep the bid low. Joints sealed with mastic that's been baking in the attic since Reagan was president. Add a basement remodel that doubled the conditioned square footage without resizing anything, and the system is just spinning its wheels.

We see the same patterns in Cherry Hill, Sharon Park, and along Foothill Drive. Tri-level and split-level homes where the furnace feeds two floors through one undersized trunk. Older Suncrest homes with returns in only the main living room. Center Street ranches with cracked sheet metal joints in the crawlspace. Inversions trap dust and pollutants outside, and leaky ductwork pulls some of that bad air directly into the conditioned space — making the inversion problem worse inside than out.

What duct problems cost in real Orem dollars

A typical Orem home with moderately leaky ductwork (15 to 25% loss) is paying an extra $300 to $600 per year on heating and cooling. Over a decade, that's $3,000 to $6,000 in wasted gas and electric. A proper seal-and-repair job — usually $1,800 to $4,500 depending on access — pays back in 4 to 8 years on utility savings alone. The comfort improvement is immediate.

Common ductwork problems in Orem homes

• Disconnected flex duct at plenum — most common single issue, tape and strap failure
• Crushed or kinked flex duct — tight turns in 70s tri-levels, things dropped during construction
• Undersized trunk lines — original builder cheap-out, especially in split-level Sharon Park and Suncrest homes
• Missing or wrong return air — basements with zero returns is normal in older Orem homes
• Leaky sheet metal joints — older rigid ductwork with mastic that's dried and cracked over 30+ years
• No insulation in unconditioned spaces — attic and crawlspace ducts need R-8 minimum, most older systems have R-4 or nothing
• Unbalanced airflow between rooms — front bedroom always cold, back bedroom always hot, damper adjustment and sometimes resizing needed

How we diagnose Orem ductwork

Two tools do most of the work. A pressure-based blower door and duct blaster test measures total leakage in cubic feet per minute at 25 pascals — the standard energy-code metric tells us objectively how much your system leaks. Then visual inspection with a lighted probe and camera, pulling insulation to look at joints, checking flex duct runs, measuring trunk sizes against load calculations.

Sealing options

Manual sealing with mastic and foil tape — works where we can access the joints. Mastic adhesive brushed onto every seam, foil-backed butyl tape on the major connections, strap-and-screw on flex-to-rigid transitions. $1,500 to $3,500 for a typical Orem home.

Aeroseal interior sealing — polymer aerosol pushed through the duct system under pressure; as it hits leaks, it accumulates and seals from the inside without needing to access the exterior. Works on attic flex, inside wall chases, anywhere traditional sealing can't reach. $2,500 to $4,500 for most homes. Best single-biggest-impact intervention on leaky 70s and 80s systems.

Replacement of bad sections — if flex duct is collapsed, crushed, or just too old to seal, we replace the run with new insulated flex or rigid sheet metal. $15 to $35 per foot of replacement flex installed.

Basement remodels and the math

This is the conversation we have constantly in Orem. Homeowner finished the basement five years ago, added 1,200 sqft of conditioned space, kept the original 1978 furnace and original ductwork. Now they wonder why the upstairs is hot and the basement is cold. Answer: the system was sized and ducted for 1,800 sqft, you're asking it to do 3,000. Either the ducts get reworked (returns added, branches added, trunk possibly resized) or the comfort never gets right. We'll quote both options honestly. Quality Service Club HVAC members get the duct assessment included with the annual tune-up.