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Get answers to all the most frequently asked questions (FAQs) about Heating, Cooling & Water Heating.
Warranty & Registration Lookup
Register your Rheem product or verify your warranty terms and coverage.
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Browse and download BIM/CAD files for commercial heating and cooling solutions.
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Explore financing options to help make your project more affordable.
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Browse and download Revit files for commercial water solutions.
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Rheem 100
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Residential Products
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Rheem water heater model and serial numbers can be found on your original warranty or sales invoice. If you do not have access to these documents, this information can be found on the unit itself. Please browse the product types below for specific details on locating a model or serial number:

Example picture on how to find your Rheem tank water heater model and serial number.

Tank-Type Water Heater

The label containing model and serial number information can be found on the front of a tank-type water heater.

Example picture on how to find your Rheem tankless water heater model and serial number.

Tankless Water Heater

The label containing model and serial number information can be found on the front or on the right hand side of a tankless water heater depending on the model.

Rheem HVAC model and serial numbers can be found on your original warranty or sales invoice. If you do not have access to these documents, this information can be found on the unit itself. Please browse the product types below for specific details on locating a model or serial number:

Example picture on how to find your Rheem split-system model and serial number.

Split-Systems

The label containing model and serial number information can be found on the back of the outdoor unit and on the inside front cover of the indoor unit. Two model and serial tags identify split system equipment.

Example picture on how to find your Rheem package system model and serial number.

Package-Systems

One model and serial number tag is used to identify Package System equipment. The tag is located on the outside corner of the unit. One model and serial tag identifies package equipment.

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homeowners
We’ve developed some of the most innovative technologies in home comfort, so your family can depend on efficiently warm winters, cool summers, and hot water all year long.
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Discover Rheem's inovative and eco-friendly heating and cooling products, designed for energy efficiency and comfort for homeowners seeking reliable climate control.
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Browse Rheem's selection of water heaters, offering efficient, reliable, and eco-friendly solutions for your hot water needs.
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INNOVATION
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The Rheem® Maximus® Super High Efficiency Gas Water Heater delivers dependable hot water, with unmatched efficiency in residential gas water heaters.
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Tax Credits
Learn about Inflation Reduction Act (IRA) and it's impact on your tax credits
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A tight budget should never keep you from comfort. Get the equipment you need with Residential KwikComfort® Financing.
Rebates
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SUSTAINABILITY
Big Thinking, Bigger Solutions
We continuously innovate products with sustainability in mind to reduce negative environmental impacts, energy use and customer utility costs.
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find a pro
When you need a smart, dependable contractor or plumber, count on our team of independent professionals for your heating, cooling and water heating needs.
Replace a Part
Find parts that you need to keep your Rheem product working perfectly.
Contact Rheem
Rheem support will assist you in finding the best solution for your project
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When you need a smart, dependable contractor or plumber, count on our team of independent professionals for your heating, cooling and water heating needs.
What type of equipment are you looking for?
Warranty Lookup
Verify warranty terms and coverage on Rheem products.
Rebates
Search for local rebates for your product
Tax Credits
Learn about the Inflation Reduction Act (IRA) and it's impact on your tax credits
how can I extend my warranty?
Learn about our Protection Plus Extended Service agreement program that protects your product after the limited warranty expires.
where do I find my serial number?
Easily find the serial number of your heater, cooler, or water heater with these instructions.
Federal Incentives
Tax credits and rebates designed to help you save even more than just on your energy bill
HVAC KnowZone
Stay informed about the latest energy efficiency changes in the HVAC industry.