Does the Rinnai Tankless Water heater fall under the category of “solar hot water heater”?
I have heard rave reviews about the Rinnai Tankless hot water heater. I would like to know if it is better than other options that may be given a more general name of “solar hot water heater”. I believe the solar hot water heaters are much more expensive. Please clearly define some specific name brands and general prices of solar hot water heaters.
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