The inconsistent or poor water pressure in your home means you have a plumbing problem. Plumbing services are what you need for you are not suggested to fix that kind of problem on your own. If the water that is not flowing correctly only happens in a faucet or two or in the shower it could be mineral buildup. Yet, when the problem is widespread, you could be sure that could mean a problem with the supply line. Professional plumbers will know how to fix the problem so you could be sure that your water pressure will be back to normal.
Plumbing services could also help you when you have frozen pipes. If you do not see the urgency to call professional plumbers right away when you see your pipe is frozen, be really careful. It is advisable to get emergency services once you see frozen pipes because it could crack and burst and cause a bigger problem that will be harder to fix. So, either it is poor water pressure or frozen pipes, always rely on professional plumbers.