What you can’t see can hurt you

What you can’t see can hurt you

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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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