Sometimes the ac and the furnace share an internal drain and if there s something plugging up the drain which can happen if dirt and dust collect in there the condensation your hvac system produces inevitably overflows and leaks onto the floor under the furnace.
Water on floor around furnace in summer.
Here are a few of the reasons why you may see water under your furnace in the summer months.
A clogged drain is probably the most common reason why your furnace appears to be leaking in the summer months.
Internal drain units clog easily causing moisture generated by air conditioner condensers to build up and leak from the furnace itself.
What you have going on.
Once the water starts to collect and pool up there s a potential for water damage.
Again the most common reason for a leaking furnace is a condensation leak.
A clogged condensation drain usually requires a professional to service it.
With this restriction the water will push back into the coil and eventually spill onto the floor.
Condensation from air conditioning coils contains bacteria that can form slime and clog the condensate pan drain tube.
When you see water puddling around the furnace with the a c running you have a clogged condensate drain tube.
Water on floor around furnace found slim filled condensate pump i was able to clean out and get working again blow out condensate tubing going out side and.
In summer air conditioning units that share an internal drain with a furnace can lead to water under the furnace.
Pipes may be improperly insulated or taped.
You can prevent slime and eliminate drain tube clogs in two easy steps.
Clear the floor drain of dirt debris and obstructions regularly to help reduce backups and flooding.
Most of the time this is through a floor drain.
The floor drain may be clogged.
It s not furnace season so it shouldn t be the furnace that s leaking all the water.
It may be something as simple as a clog in the drain around your furnace where condensation is drained away.
Another reason for your furnace leaking water is a break or clog in the humidifier.
However if this tube becomes clogged or if the drain on your floor becomes it can cause water to backup and leak out of the furnace.
The drain is clogged.
Is your furnace leaking water when the ac is on.
This is typically flown out of a pvc pipe that comes from the furnace and drains into the floor drain in your furnace room.
When these pipes either get clogged or break you ll get leaking condensation around the base of the furnace.