Connect the manifold gauge set as discussed above. Connect the yellow hose to the can tap valve and windshield chip repair seat (turn clockwise) the valve. Close the blue gauge on the manifold gauge set. Open the valve on the can tap valve. Slowly open the valve on the blue or "low-side" gauge and let the refrigerant flow from the refrigerant can into the system until you see a reading of 60psi on the "low-side" gauge. TIP: Placing the refrigerant can in a pan of hot water will allow the vapor refrigerant to enter the A/C system quicker. WARNING: Do not invert the refrigerant can. Doing so will allow liquid refrigerant to enter the system resulting in a ruined compressor.
Again, the higher the inherent value of your house, the better your return. This is certainly not the time to overspend in these areas. If you own a rental property, factor in at least 2-5% of your gross income for repairs and maintenance.
The secret to doing a lot of repairs is knowing where and how to contact people. Mostly it is a function of letting them know you there and able to do the repair. Problem is most people wake up thinking about how to find someone who needs windshield repair.
Make sure that the small company professional is an expert in the area. Get price lists from companies and ask the company you like fix auto glass repair to give you a better discount than the other companies.
Many people assume that because a windshield glass repair service is mobile, that it must be more expensive. In actuality, mobile windshield chip repair is often one of the least expensive options available. Some companies are almost entirely mobile. When compared to replacing your entire windshield, it is extremely inexpensive. Additionally, with all of the time, hassle, and effort that is saved by having them come you, it is often the best alternative available.
Professional A/C technicians use an electronic leak detector to find leaks in an system. Use a battery-powered UV leak detector kit and special UV glasses. This kit can be purchased at auto supply stores and Internet A/C supply store fronts.
America is the land of opportunity but that doesn't guarantee success. Trying to start a windshield repair business on your own without any marketing guidance or help is a recipe for failure. Sure, you'll get a thin marketing manual with the repair kit you order from XYZ windshield repair company. But, more than likely it's outdated and not going to be much help. Believe me I know. I wasted more money on marketing my business using the marketing ideas I was given when I purchased my repair kit than I care to remember.