What size tankless water heater would I need for a house about 1000 sq ft.?
Question:I'm converting my water heater to a tankless and I need to know what size would be suitable for about 1000 sq ft house. I've seen several that say they would work for a small house and I'm just wondering if anyone has had any experience with these and how they work?
Answers:
it depends on how many bathrooms you have, general volume of water that will be used, how many persons living in house, etc. there are several manufactors for tankless w. heaters, noritz, rinnai to name a few. sure they have websites or call local gas company.
basically how the water heater works is it provides hot water on demand. you have a "box" to control temperature of water in each room that uses water (bathroom, kitchen). you can "override" the set temp, moving it up or down. unit that heats up water is usually installed outside house & attached to a tank (propane or natural gas).
these heaters are kinda pricey, however in the long run will save money on your electric bill (because you don't have to keep 60-100 gallons of water heated)
They work fine but you should have the size determined by the number of people not square footage. A plumber can assist you in proper sizing and installation is critical as they must be vented.
Tell the plumber how many occupants in the house, how many showers/baths a day, dishwasher etc. He can size accordingly.
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