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.
A clogged condensation drain usually requires a professional to service it.
Another reason for your furnace leaking water is a break or clog in the humidifier.
Most of the time this is through a floor drain.
Common causes for water leaking around your furnace pvc drain line plugged as systems age dust and dirt can collect on the evaporator coil falling into and eventually plugging up the drain line.
The condensation is routed to a floor drain.
Is your furnace leaking water when the ac is on.
High efficiency furnaces extract heat from the combustion gases for a longer period of time than a standard efficiency furnace does causing the gases to cool then condense.
The drain is clogged.
A clogged drain is probably the most common reason why your furnace appears to be leaking in the summer months.
Clear the floor drain of dirt debris and obstructions regularly to help reduce backups and flooding.
In summer air conditioning units that share an internal drain with a furnace can lead to water under the furnace.
Condensation from air conditioning coils contains bacteria that can form slime and clog the condensate pan drain tube.
Internal drain units clog easily causing moisture generated by air conditioner condensers to build up and leak from the furnace itself.
It may be something as simple as a clog in the drain around your furnace where condensation is drained away.
Once the water starts to collect and pool up there s a potential for water damage.
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 you see water puddling around the furnace with the a c running you have a clogged condensate drain tube.
What you have going on.
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.
You can prevent slime and eliminate drain tube clogs in two easy steps.
When these pipes either get clogged or break you ll get leaking condensation around the base of the furnace.
With this restriction the water will push back into the coil and eventually spill onto the floor.
It s not furnace season so it shouldn t be the furnace that s leaking all the water.
Here are a few of the reasons why you may see water under your furnace in the summer months.
The floor drain may be clogged.