Ask around. Ask your friends, ask your neighbors and get referrals. Nothing is more powerful than the testament of someone who has had a local plumber in their home and can speak to his/her capabilities.
If your service provider has adequate knowledge and training on the topic, this might be a good time to find out more about energy alternatives. He may be able to install low-flush toilets and lower-output shower heads. This is also a good time to talk about solar thermal water heating, though perhaps before the roofer is finished up top.
How do you determine if it is an emergency? Look at the source of the problem. If water is not moving and the sink is just full of water that isn't draining, you haven't found a real emergency. If the faucet in the sink will not stop running, and the water isn't draining, it may turn quickly into an slow drain.
There are undoubtedly jobs that require the services of a licensed plumber, such as when your toilet backs up into your tubs and sinks, or when you require putting in a new pipe line. However, there are jobs that require not just any Trustworthy plumber but an emergency plumber, such as when water uncontrollably runs out of your faucet and toilets starts flooding the house. However, they are at a premium. How do you know if there is a need for their services or not?
Now to prevent clogs from happening, you would need a drain cover in order to stop the clogging. However bear in mind that sometimes the best idea is to simply call your Local plumber and have them come out to take care of the clog. It is simply the more financially responsible as well as reasonable. Plumbers have equipment that the standard homeowner doesn't in order to clear the drains quickly and get them flowing again. Just remember that you have to be specific as your plumber is not a mind reader and cannot diagnose on vague information.
You think you spend less. The first time a leak happens and you get to fix it, you think you can probably work out anything that goes wrong around the pipes. Congratulations for the luck if you have no background in plumbing but eventually, you will need assistance. At one point when the fixing doesn't work the way you want it, you get to spend even more on what you need to help stop the damage. So even if you think you can economize, you are in reality, spending just as much as you should with a professional plumber.
Now that you know the top ways to find a plumber fast when you need them for a plumber repair emergency; you are better prepared in case any plumbing problem should happen.