![]() ![]() I have had the argument with more plumbing subs than I can remember.I don't care if it is in protected spaces or under slabs.insulate them.and guess what, I won every argument.being the GC has it's advantages. As far as hot water pipe insulation.every install should have pipes insulated regardless of the system.that's just common sense. Yes, the utility consultants were correct, tankless system (hot water on demand) do consume more energy at the demand event.what they didn't tell you was that in between demand events, they don't use any energy keeping water hot in the tank, unlike the standard hot water heater does during the day when you're not home.so I'm betting that the energy usage is just about even in the long run. ![]() Depending on the water quality, I've seen standard units that required a filter system in front of the supply point. There are pro's and con's to both systems.the cold hard facts are that both systems require maintenance (something which most home owners simply ignore).if you check your warranty fine print on your standard hot water heater (tank type) you'll find that regular draining and flushing of the system is recommended to achieve the advertised years of service.(how many of you actually drain and flush your systems.?). ![]()
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