If you are asking about the repairing of a/c systems then yes you need to be both licensed and bonded for your protection.......
A refrigerant (freon) is required for an A/C system to cool. Therefore, no, the A/C should not work is the freon is removed.
The amount of oil charge required for an automotive AC system is specific to the car. There is not standard amount for all cars.
You do not have to be bonded, but registration and licenses are required.
No. Removals services in London are not required to be bonded, but it is recommended to hire a fully insured and bonded company. Be sure to also ask for and check references.
no, but legal residency is required
Approximately 4-6 pounds of R-22 refrigerant would be required to circulate through a two-ton AC system. It is important to consult with a licensed HVAC technician for proper charging and handling of refrigerants.
Bonding is not required to be a notary.
If having DC and AC is required then a PWM pulse width modulator is required to chop the DC to make AC
What Ac refrigerant freon is required in 1989 BMW 7-Series? What Ac refrigerant freon is required in 1989 BMW 7-Series?
Has the AC fuse blown in your system?
If you have employees that are going into peoples houses or place of business they should be bonded to protect your business. If you have a potential employee that cannot be bonded you should not hire them.
No. The ac system uses a condenser and an evaporator.