Airflow Problems & Duct Repair
When one room never heats, cools, or gets air, the duct is usually the cause. I trace weak airflow back to crushed, disconnected, or undersized ducting and fix the actual restriction.
What I do
- Trace weak-room airflow back to the real restriction
- Reconnect, reseal, and support ducts that have come apart
- Replace crushed, kinked, or sagging flex with proper duct
- Open up undersized returns and pinched transitions
- Rebalance supply runs after a retrofit or renovation
Common problems I fix
- One room that is always too hot, too cold, or starved of air
- Ducts disconnected in the attic or crawlspace
- Crushed or sharply kinked flex throttling a run
- Undersized returns that choke the whole system
Good-fit projects
- A single room that never gets enough air
- Airflow that dropped off after a renovation or heat pump retrofit
- Older homes with patched-together ductwork
- Whole-house balance feeling off
When a homeowner tells me one room is always too cold, too hot, or stuffy, the cause is almost never the furnace or heat pump. It is the duct feeding that room. Air takes the path of least resistance, so a single crushed, disconnected, or undersized run quietly starves one part of the house while the rest is fine.
Finding the actual restriction
I trace the run that serves the weak room back through the attic or crawlspace to find where the air is being lost: a joint that has pulled apart, a section of flex that is crushed or kinked over a pipe, a long restrictive route full of tight elbows, or a return that is too small to feed the system. Fixing the symptom at the register never works; the restriction has to be found and removed.
Common repairs
Most fixes come down to reconnecting and sealing ducts that have come apart, replacing crushed or sagging flex with properly supported duct, opening up a pinched transition, or enlarging an undersized return. Where the original ducting was simply built wrong, I rebuild that section so the run actually carries the air it is supposed to.
After a retrofit or renovation
Airflow problems often appear right after a heat pump retrofit or a renovation. A heat pump typically moves more air than the old equipment, so ducting that was marginal before becomes the bottleneck, and renovations frequently reroute or pinch existing runs. In both cases I check the affected ducts and returns and rebalance the supply so the whole house evens out again.
Where I provide this service
I serve Squamish, Whistler, Pemberton, and nearby Sea to Sky communities. See service areas.
Related services
Frequently Asked Questions
Why does one room never get enough airflow?
It is usually the duct serving that room, not the furnace or heat pump. A disconnected joint, a crushed or kinked flex run, a long restrictive route, or an undersized return can all starve a single room. I trace the run back to find the actual restriction and fix it.
Did my airflow get worse after a renovation or heat pump?
It can. Renovations reroute or pinch ducts, and a heat pump often moves more air than the old ducting was sized for. I check the affected runs and returns, then repair, resize, or rebalance so the air gets where it should.