It should be a famous solar panel company and in a right way. That is something that you should not leave out, and you will be able to know that when you ask around.
The company should have employees who are qualified. The employees should have worked for a very long time. You will be relieved when they will be working for you as you will have already known that they are capable of doing a good job. Let them show you their documents so that you can be sure of the people you are hiring. To avoid problems from occurring later then you have to be on the watch.
The Kosmos Solar panel company should be one that manufactures their panels as that will make it simpler for them to do the installations in your house. They will be well trained, and the manual will be easy to use other than having someone to install
Ensure that you are working with a solar panel company that is permitted to do the job. That is an essential thing that should not be left out. You will therefore not undergo any loss because the solar installation company will be there to ensure that everything is ok. That will be very helpful as you will get that you will be able to use the products for a very long time. You can visit this website to get more details.
Lastly get a solar panel company that you will be able to afford.
For additional info, visit - https://en.wikipedia.org/wiki/Solar_power