Why is my AC not getting cold?

There are a couple of reasons for ice buildup in your AC — dirty coils or filters resulting in poor airflow, or a lack of refrigerant. If that doesn’t get the unit blowing cold air again, it could be refrigerant levels are low (see below).

Can RV air conditioner be recharged?

When your camper’s air conditioner runs out of refrigerant, it will need to be recharged and can be done by refilling the refrigerant. Depending on the type of air conditioner in your camper and where the unit is located, it may be either easier or harder to recharge than other models.

Can a mode door problem cause AC not to work?

Sometimes an AC system with a mode door problem could be working fine, but the air flow is being directed somewhere else, like back out to the engine, instead of into the car. Look at your cabin air filter.

What to do if your car AC is blowing cold air?

One option is to go to your local auto parts store and pick up an ultraviolet dye, an injector to get it into your air conditioning system and an ultraviolet light. You can inject the ultraviolet dye into the AC system and let the AC run for a few minutes. Then park your vehicle in a dark garage with all the lights off.

Why is my air conditioner not blowing cold air?

In the fall, since you are likely not using your air conditioner every day, it can be difficult to tell if it stopped working all of the sudden or over time. Even if you don’t know the duration of the problem with your air conditioning system, the most likely cause for your air conditioning system malfunction is a refrigerant leak.

What to look for when your air conditioner is not working?

One of the most common AC temperature problems is low refrigerant. The AC system is closed, so refrigerant should not be lost unless there is a leak. Look for oily residue on or around hoses that attach AC components together. Oily spots may indicate a refrigerant leak.