the insulation is there to keep moisture off the larger line. If you dont have any insulation or it is ripped it will just drip but it doesn't hurt the a/c unit.
Use PVC for the drain line. It does not require insulation.
No, it is not okay to put your oil central heating boiler outside. It should be in an enclosed area.
Question should be clear For Thermal insulation,Electrical insulation,energy insulation vision insulation.
You need to wrap your pipes with insulation. The insulation is sold in six foot lengths at most plumbing or A/C supply stores. You should get insulation that is slightly larger inside diameter than the outside diameter of your pipes. The wall thickness should be at least one inch. Make sure you use duct tape or electrical tape when covering turns in the pipe.
Insulation that contains asbestos should be disposed of by a trained hazard waste crew. Insulation from wiring should be treated as a plastic and disposed of in plastic receptacles for recycling.
There is insulation between the outside and inside wall of a hot water tank. There is also an insulation product that you can get to wrap around the outside of the hot water tank as well. Kit is usually available at any plumbing or hardware store. Only good for electrical HWT, as a gas tank has a flue and the insulation would be a waste on the outside of the gas tank
If the insulation is incomplete the installation will fail its inspection because it is potentially dangerous.
What is your question here? If you want to keep the insulation from sweating get thicker insulation. You probably have 3/8 thick insulation; increase to 1/2 or 5/8. It is possible that your suction line is freezing up and when it thaws it soaks the insulation causing it to drip. If you can't prevent the leak, use a vinyl ceiling tile, like Ceilume, in that area. It won't absorb moisture and is easily cleaned.
The EX and Si models have under hood insulation and the other models do not.
Because one of its main functions is to provide good insulation.
R49 is equal to 13 settled inches of cellulose insulation. If the insulation has not settled yet then it should be between 15-16" deep.
Fan-fold rigid insulation is available in 1/4" thickness that unfolds to cover the exterior sheathing before siding installation. The insulation can be applied with galvanized roofing nails or plastic cap nails which should penetrate into the wood framing of the walls. Tape any joints in the fan-fold insulation with foamboard tape before siding is installed.