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Comfort 101

Comfort 101

Comfort 101

Comfort 101

Rheem Product Education

Whether you’re buying a new furnace or water heater for your home or business or you simply want to know more about the equipment you already own, this is your one-stop source for everything you need to know about Rheem® comfort solutions.

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Load Calculation – Do I Need One?

Find Your Product’s Serial Number

Glossary of Terms

Tank-Type Water Heating

Tankless Water Heating

Solar Water Heating

Tankless vs. Tank-type Water Heaters

Sizing Water Heaters

Energy Efficiency in Water Heaters

How to Locate and Read Your Serial Number

Glossary of Terms