- WholeHome Members get expert insight into every water system in their home. We check water pressure, temperature, and inspect shut off valves, sump pumps, filters, and fixtures in every room of your home. We also check for gas leaks, odor issues, and venting problems that could cause safety risks. Also, during your inspection, we review outdoor plumbing, your crawl space or basement, and your water heater system inside and out. You'll walk away with a clear report, early warnings on issues, and peace of mind about your water safety, efficiency, and comfort.