The most useful pressure washer nozzles are the yellow (15 degree) and green (25 degree) and will be the ones used most often during pressure washing as a part of the exterior preparation before painting.
Your home handyman is not likely to have a video camera "snake" to find the root cause of underground drainage problems. His method of discovering a break in a pipe or a root clogged pipe is to dig random holes where it looks like the problem may be. Not only does he tear up your yard in the process, it costs you money while he takes this hit or miss approach.
Your chosen plumber will know the best brands around. These are from well respected companies and will have good warranties and years of experience and development in the solar industry.
Depending on your plumbing layout these units can often supply quick hot water to more than one sink, and sometimes all of your sinks. You can easily find out how a demand system will work for your plumbing layout. When your pipes are all cold, like the first thing in the morning, just pick the location you think is the furthest from the water heater and turn on the hot water until it gets hot.
Hot water usage. Based on a number factors, the installer will need to obtain an estimate. There are certain formulas and estimated assumptions that can be used to determine how much gas or oil is used for heating your water and how much is used for other functions, such as heating the building and your facility's dryers.
Another problem with these traditional heating systems is not all of them have a storage medium. So every time you use any hot water it has to be turn on and start heating again.. Statistic shows that Solar hot water services can reduce your heating costs by at least 70%25 (the newest technology of evacuated tube hot water services are the most efficient).. Why 70%25 and not a hundred? Well of course there are days that the sun doesn't shine enough& they don't heat water at night, so at times, especially in winter, an auxiliary "boosting" source of heat must be used, (Electrical heaters or gas heaters).but the savings are still significant if you install the best system to suit your family's hot water usage pattern.
For an intense cleaning with the intent to remove some loose paint use 1800-2500 psi. This will be enough pressure to remove loose paint form most surfaces.