Follow the directions on the can, if concerned about the grass, don't spray water.
Yes but I use every 4 to 6 months to keep clean.It does not go bad.
i think you can if it is dirty just wash it out
I used it on my a/c heat pump coils and it did a good job.
Yes it will clean the tray and line.
If using on a coil yes
Yes, use it on the evaporator, the inside coil behind the filter. Lemony smell.
Yes. I bought it last week. The AC was struggling and not cooling. Once it was cleaning and refrigerant added, its working great. I will buy this product again. What a money saver.
Yes you can, but not sure how well it will do on bug removal.
Yes, no residue or bad smell. If spraying water make sure it drains properly. I clean my every 3-4 months because it runs a lot here in Florida.