Freon, a type of chlorofluorocarbon (CFC), is typically colorless and odorless in its gaseous state. If it leaks, it will not have a color, but you may notice a white mist or cloud in the area where it escapes, which is the result of the rapid expansion and cooling of the gas. In liquid form, it may appear as a clear or slightly cloudy liquid, but it does not have a distinct color.
Never! If it's low on refrigerant it has leaked.
If the system was drained, or leaked out, yes it needs evacuated.If the system was drained, or leaked out, yes it needs evacuated.
Its odorless and colorless.........
Yes! Freon leaks out during the winter months!
The Freon probably needs to be recharged. Any repair shop should be able to do this. They should also test the system for leaks to see why the Freon leaked out to begin with.
Freon isn't a single compound, it's a family of related chemicals. Most freons are colorless and odorless.
This is a job for a certified professional. They will locate and seal the leak, evacuate the system, and then recharge it with the appropriate amount of refrigerant. Attempting this yourself is illegal and dangerous.
R-12 freon is colorless and odorless...............
Freon is added to the low side of the a/c system, that is the big line and the capis normally blue in color.
Freon is colorless on its own. The refrigerant oil can have a tan color, while a leak detection dye would be yellow.
you just skipped a step, now you don't have to evacuate the system. But doing that on perpose could cost you a $25,000 fine.
Freon, or same, has likely leaked from the system. You need it recharged. Likely need to fix the leak. Call a professional.