[Googam]

We have a whole house hot water system. It takes forever for the hot water to reach the kitchen, furthest away from the heater. We looked into these https://www.bestproductsreviews.com/under-sink-water-heater?targetid=&matchtype=&device=c&campaignid=18761032227&creative=&adgroupid=&feeditemid=&loc_physical_ms=9011304&loc_interest_ms=&network=x&devicemodel=&placement=&keyword=$&target=&aceid=&adposition=&trackid=us_all_top_1_1&mId=407-132-4411&trackOld=true&gclid=CjwKCAjwjMiiBhA4EiwAZe6jQzkgaqSr4sKDgWDNLwJh INNtc7w6N7OXePJEz2wHn0QYm98_B3wd4xoCqtMQAvD_BwE

The general opinion is they work fine, but burn out after several years. They hold enough hot water, but the elements take a beating.