I do not know of any jurisdiction in which a license would be required for a heat pump.
There are a few things you need to consider before purchasing a new heat pump. Should you buy a heat pump or should you choose a better choice, for example a furnace? What size heat pump will you need to buy? How efficient do you want your heat pump to be?
In order to buy freon you need a license, therefore you shouldn't attempt to add freon. Call a contractor to service your unit.
A heat pump thermostat.
You don't need a license to buy a car, but you need a license to drive a car on a public highway.
The previous answer is wrong you do not need a license to buy a car
No. You do not need a license to buy gold. Do a search for Gold on-line and see how many sites there are!
If you'd be required to have a license to buy these items from a retailer, you'd still need the appropriate license to buy them online.
you do not need a license to purches a ham radio. you also can listen to chatter without a license. but if you want to talk you need a license.
No......
No
No.
no