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Your average household uses somewhere between 30 and 60 gallons of hot water a day [0], and a bigger tank will just have water sitting in it, going cold. Any ex
by skosch 8y ago
Your average household uses somewhere between 30 and 60 gallons of hot water a day [0], and a bigger tank will just have water sitting in it, going cold. Any extra surface area costs you extra heat, even if the marginal loss decreases with growing tank volumes.
[0] http://www.fsec.ucf.edu/en/publications/pdf/FSEC-PF-464-15.pdf http://www.fsec.ucf.edu/en/publications/pdf/FSEC-PF-464-15.p...
- Xylakant 8y agoYou can use warm water to power your heating in winter. So it might be less efficient in summer, but the amount of energy you’d save in winter would exceed the losses in summer.