A surprising share of a home's conditioned air never reaches the vents at all — it escapes through leaky duct joints in the attic or crawlspace.
Insulation and airflow balancing are addressed together, not treated as separate problems.
If you're dealing with one room that never quite reaches temperature, unusually high utility bills relative to system size, or visible disconnected duct runs discovered in the attic, you already know leaky or poorly balanced ductwork can waste a significant share of a system's output before it ever reaches a single vent, and most homeowners never know to check.

Most ductwork repair problems give some warning before they turn into one room that never quite reaches temperature, unusually high utility bills relative to system size, or visible disconnected duct runs discovered in the attic — catching it early usually means a shorter, cheaper fix.
AAA Pro HVAC built its ductwork repair process around one idea: diagnose first, quote honestly, fix it right.
We're licensed, insured, and staffed with techs who've spent years specifically on ductwork repair, not general handyman work with an HVAC certificate bolted on.

We use pressure testing equipment to quantify actual duct leakage rather than sealing wherever looks suspicious.
Every sealed joint is inspected after curing, not just applied and left.
We adjust dampers and measure room-by-room airflow after sealing, not just at the trunk line.
We measure static pressure before and after work to confirm the fix actually improved performance.
Every job starts with a real diagnosis, not a guess — here's the full scope of what our ductwork repair technicians handle across Berkeley, CA.
Mastic sealant is applied to joints and seams identified as actual leak points. Techs handling duct leak detection & sealing carry the specific parts and tools this job calls for, not a generic kit.
These are prioritized as the highest-impact repairs when found. Techs handling disconnected duct run repair carry the specific parts and tools this job calls for, not a generic kit.
Manual dampers are adjusted and verified with follow-up measurements. Techs handling airflow balancing & damper adjustment carry the specific parts and tools this job calls for, not a generic kit.
We match insulation R-value to the space's conditions. Techs handling duct insulation repair & replacement carry the specific parts and tools this job calls for, not a generic kit.
We measure and correct sizing rather than just adding a second return blindly. This is one of the most requested ductwork repair calls we get across Berkeley, CA.
High static pressure strains the blower motor and shortens its life; low pressure means air isn't moving efficiently. Techs handling static pressure testing & diagnosis carry the specific parts and tools this job calls for, not a generic kit.

We confirm your Berkeley address and a realistic inspection window.
We inspect accessible duct runs thoroughly, not just at the visible trunk line.
Flat-rate quote reflects the confirmed scope of repair needed.
Most sealing and balancing work completes in a single visit.

Bedroom over the garage never got below 80 in summer no matter what.
Static pressure test found significant leakage in the crawlspace ductwork nobody had ever checked.
Genuinely convincing to see the numbers change.
Fixing that alone seemed to quiet down the whole system.

A pressure test gives a definitive answer rather than guessing from symptoms alone.
No — despite the name, standard duct tape degrades quickly in attic heat and typically fails within a few years.
Yes — conditioned air lost through duct leaks before reaching the vents is effectively paid-for air that never does its job.
A leak physically loses air before it reaches the vent; a balancing problem means air reaches the vents but unevenly across rooms.
We access attic and crawlspace duct runs directly rather than relying only on what's visible from inside the home.
Non-emergency duct inspections are scheduled based on current demand across Berkeley, CA.

Our ductwork repair crews are positioned throughout Berkeley, CA to keep response times realistic, not just promised.
☎ Call +1-866-805-8548 for Berkeley Service