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Duct Services in Portland, OR

Most homes today are built with a central ventilation system made of ductwork. These ducts are designed to remain hidden from sight and invisibly do the job of transporting air from the heating and cooling system to the rooms. This makes it easy to overlook the importance of the ductwork and the services it may need over time: duct repair, duct replacement, and more.

The HVAC pros at Clawson Heating & Air Conditioning provide a full range of duct services, from regular duct testing to duct sealing. We’re a retail business that places customers first, and our certified technicians have the expertise and problem-solving skills to fix problems fast. When you need any duct services in Gresham, OR and the greater Portland area, call one of our comfort specialists to set up an appointment.

Connecting People to Comfort—call today to schedule duct services in Portland, OR and the surrounding area!

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Duct Testing and Duct Sealing

One of the most common troubles with home ventilation systems is duct leakage. Even small holes and air gaps in the ductwork can lead to a loss of up to 30% of the air pushed through the ducts. This means almost a third of the air the homeowner has already paid to heat or cool goes to waste. The air leaks also cause a drop in air pressure in the ventilation system that lowers comfort levels. Leaking ducts even lead to lower indoor air quality and increased humidity.

To fix leaking ducts requires a special kind or duct repair—duct sealing. This isn’t a job for store-bought duct tape. If you suspect you have damaged ductwork, first call our technicians for duct testing. This process identifies how much leakage is in the ventilation system and where it’s located. We then use equipment like mastic sealant and metallic tapes to make the ductwork airtight once more.

Duct Replacement


We can’t fix all ductwork damage with sealing. In some cases, the ducts are not only in bad shape, they weren’t the right size or type to begin with. We have seen many poor duct installation jobs in homes. The best way to fix these larger issues is by replacing sections of the ductwork or creating new designs for improved airflow.

We often replace ducts as part of a new HVAC system installation: we take in the big picture, so we know when to upgrade the ductwork to help a new heater or air conditioner work at its best.

Reviews from Our Customers

Our Satisfied Customers Speak Up

We have been CAP members with Clawson for about three years now. Their excellent service is why we chose to purchase our new furnace and ac together!

- Warren and Elizabeth - Gresham, OR

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