Ive got a mildewy smell coming from my evaporative cooler how do i get rid of it?

You can try vineger towash it down just pour it in and let it work I would use a gallon. the onlyother thing you can do is chage the media and still wacsh it down with vinegar.. Hope this helps let me know Jon

Most heating& cooling supply centers have a cleaning - deoderizing solution that you can run thru evaporater pads. I'm sorry but I can't think of specific name brands right off but they clean,cut down on mineral build up and deodorize all in one. Also most will ****** algae growth. Thanks.

Check for lint buildup in the vent discharge hose/pipe and the inside of the dryer blower housing.
Heavy wet lint buildup will cause a moldy/mildewy smell that you describe.
Heavy lint build up will also increase the drying time, and it is a fire hazzard
This is a free answer, Please rate me

a drop of tea tree oil on the pad

is it a burning rubber smell or a burning eletric smell. burning rubber smell will be a slipping belt. replace the belt and pullys. tighten belt. electic smell will be a bad thing. have tested by technition

Well, if the a/c doesn't work, the smell will be different, because the evaporator (cold) isn't taking the water out of the air. It will smell as if you had just a vent and might smell a little bit mildewy.

Check the charge of r134a in the system, or just go ahead and attempt to charge it with a can of r134a refrigerant and a hose with an a/c quick connector attached available from your local auto parts store or even Walmart.

Follow the instructions and you might be able to have cold air coming out of the vents in a few minutes.

Hopefully, you do not have a fast leak that will let the r134a escape to the atmosphere.

Otherwise, it may be an electrical fuse blown somewhere.

Good luck to you.

thats why we call them swamp coolers lol. i always use evap cleaner you should also pull out the pads and clean them.

Mine only smell mildewy if I leave them in more than an hour before drying. My old top load washer did the same thing. I dont wash unless I can immediately switch to the dryer.

your vehicle has a cabin air filter that needs replaced. the smell is going to be from the cabin air filter needing replaced as well as the transmission line leak. however your concern will be fixed with the cabin air filter.

The evaporator drains into pan with a coil from the discharge line. The design is intented to sub-cool the liquid refrigertant as well as evaporate the condensation from the coil. Unfortunately the engineer started as career a shipping clerk and never received any further training.  There isn't enough heat or running time to evaporate the condensation from the coil.
The solution is fairly simple
A plastic tube  drains water out of the evaporator in the pan. You can extend the tube and add a defrost pan handled by your refrigeration wholesaler. Wire it so it is on whenever there is power to the unit.  This should get rid of the excess water. These pans are also used on some self contained coolers and freezers. They come in either 120 volts or 220 volts. [email protected]