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Re: BeerIsGood post# 7634

Thursday, 03/11/2010 11:27:11 AM

Thursday, March 11, 2010 11:27:11 AM

Post# of 94142
What do you know...I can post again.

I tried to answer your question in the second half of my last post, but you could start with what you know, assuming the specs on their website are going to be accurate. Take your current cost of electricity per kWh and assume the flow is the same for current electric tankless water heaters as it is for this one.

Assuming no voltage transformations take place with water heaters (I have no idea), then

For the name-brand: you're using 9.6 kW times however many hours you run the water in your house to get your kWh usage.

For the Wanderport/Pulsar: you're using 3.6 kW times however many hours you run the water in your house to get your kWh usage.

So assuming everything else is the same, you have 62.5% (or 1 - 3.6/9.6) less kWh electricity consumption. Greener and cheaper.

Are there any problems with that math anyone? This assumes the average of the well-known brands running on 80A and the Wanderport running on 30A, as stated on their website.

They're not pie-in-the-sky PR numbers, but they look good to me. If that holds up, then assuming WDRP gets name recognition after awhile, I think people would migrate in their direction. JMHO.