Quote:
Originally Posted by John Mercier
They actually have great speed and efficiency.
But they require an amount of power that generally results in a service and panel upgrade.
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When we researched them a couple years ago, very few could maintain more than 3gpm, which wasn't enough to do two things at once. They also took incredible amounts of power (the increased service requirements you mention) and took longer to heat, leading to wasted water.
The long-term reliability of electric on-demands was also reportedly lower, which meant the lifespan was shorter.
Things certainly may have changed.
Point-of-use electric on-demands were usually rated much higher, but that opened a different can of worms in terms of install costs, multiple units, etc.
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