REDWOOD CITY, CA
EMAIL US
650-575-3915
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As part of cooling the house, an air conditioner creates condensation. This condensation turns to water which is collected in the primary drain pan. This pan is inside the unit and is not visible from the outside.

The water in this pan is drained through pipes into the house’s plumbing system.

If there is a clog in the primary drain pipe, water starts collecting in the primary drain pan. When this pan overflows, there is a secondary drain pan that sits outside the unit to collect this overflow.

This auxilliary drainage pipe routes this water outside the house.

Here are some signs that your primary drain is clogged.

– Secondary pan is not dry

You should never have any water in the secondary pan. It should be dry. If it isn’t dry, you can rest assured that the primary pipe is clogged. If the AC is in the attic, the water in the secondary pan can damage the surrounding structure.

– Smell from the attic

The water in the secondary pan can also become a watering hole for small critters. Apart from being unhygienic, this can also lead to stench in the house.

Stagnant water in the secondary pan can also become a breeding ground for mosquitoes leading to unhealthy living.

– Drain pipe to the outside drips water

When you see the pipe to the outside dripping water, you should call your HVAC technician to fix your AC.

If you see any of these signs and you live in the San Francisco’s peninsula area, give us a call at (650) 575-3915.

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Redwood City's best HVAC contractor
RC Mechanical Inc.
831 Sweeney Ave.
Redwood City, CA 94063

RC Mechanical is a local Redwood City HVAC contractor providing high-quality heating, air conditioning, and ventilation services, including installation and maintenance, to homeowners throughout the San Francisco Bay Area Peninsula, including Atherton, Belmont, Burlingame, Foster City, Menlo Park, Palo Alto, Redwood City, San Carlos, San Mateo, and Woodside.

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