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Most people don’t know that their air conditioning system has a condensate line or drain hose to allow the condensation to drip off and safely leave the system. Essentially, the condensate line is a tube that moves water from the air handler to a drain or place outdoors, depending on the way your system is configured. Sometimes, your system will do something weird like turn on and off rapidly or simply not cool properly as the only sign that your condensation line needs cleaning or attention.

Why Is There A Condensate Line?

In a modern HVAC system, the air from your cold air return is pulled across a special coil that gets really cold when the gases inside are compressed. As that warm air passes over the coil and is cooled, it the liquid it was carrying as vapour, which is them collected in a condensate pan underneath the coil. The condensation then goes out down a tube from the pan into a drain or outside into the ground.

It’s a fairly simple system, but if the tube gets clogged you can be in real trouble.

When the condensation line is blocked, this process is disrupted. Some air handlers are designed to essentially stop working until the standing water is removed from the pan, others will simply spill everything onto the floor or into a wall, which can lead to water damage and even damage to your system. This is why it’s usually recommended that you flush that condensation line every time you change your HVAC air filter.

If you suspect a clogged condensation line, flushing it with straight vinegar or a diluted vinegar/ hot water mix can get the water out of the condensate pan. If you aren’t certain how to do this yourself give us a call at Novel Care. We’re always happy to help: 416-921-0000