United States
Find a pro
svg-icon
svg-icon
Warranty & Registration Lookup
 Register your Rheem product or verify your warranty terms and coverage.
Learn more svg-icon
Find a Pro
 Put your water heater and heating and cooling system installation in good hands with a trustworthy, independent Rheem Pro.
Search now svg-icon
Replace a Part
 Find what you need to keep your Rheem equipment working perfectly.
Get parts svg-icon
Blogs
 Read articles and industry news for homeowners and contractors.
Read more svg-icon
Financing
 Don’t let a limited budget keep you from getting the comfort equipment you need for your home or business.
Get financing svg-icon
FAQs
 Get answers to all the most frequently asked questions (FAQs) about Heating, Cooling & Water Heating.
Learn more svg-icon
Find Rebates
 Search for and find local rebates for your new Rheem heating and cooling solution.
Learn more svg-icon
Project Sizing Solutions
 Application Consulting for Customizable Water Heating Solutions.
Get help svg-icon
BIM/CAD Files
 Browse and download BIM/CAD files for commercial heating and cooling solutions.
Browse BIM/CAD svg-icon
Financing
 Explore financing options to help make your project more affordable.
Get financing svg-icon
Revit Files
 Browse and download Revit files for commercial water solutions.
Browse Revit svg-icon
Replace a Part
 Find what you need to keep your Rheem equipment working perfectly.
Get parts svg-icon
Who We Are
Learn more about Rheem, our history and our commitment to sustainability.
Learn more svg-icon
Sustainability
Learn about our commitment to doing good by our customers, our partners, our employees - and our planet.
Learn more svg-icon
Careers
Passionate, innovative thinkers work here, grow here and impact the next generation. We are driven to provide the perfect degree of comfort for homes and businesses.
Learn more svg-icon
Our Leadership
Find detailed profiles of our company's key executives, highlighting their professional backgrounds, expertise, and roles within the organization.
Learn more svg-icon
News Releases
Stay up to date with the latest news and press releases from Rheem Manufacturing and its family of brands.
Read more svg-icon
Blogs
Read articles and industry news for homeowners and contractors.
Read more svg-icon
svg-icon
Residential Products
svg-icon
United States
Language
Americas
United States United States Canada Canada México México Bolivia Bolivia Brazil Brazil Chile Chile Columbia Columbia Argentina Argentina Perú Perú
Middle East, Asia & Ocenia
Asia Asia Indonesia Indonesia Singapore Singapore Philippines Philippines Vietnam Vietnam Malaysia Malaysia Middle East & Africa Middle East & Africa Australia Australia New Zealand New Zealand
HomeProductsHomeownersWater HeatersTankless Water Heaters

Tankless Water Heaters

With a full line of Rheem® tankless water heaters to choose from, there’s sure to be one that’s the right fit for your family.
Rebate Finder
Find local rebates for your new Rheem water heater.
Replace a Part
Find what you need to keep your Rheem equipment working perfectly.
Find a Pro
An independent Rheem Pro can help with installation and service.
Help & Support
Answer a few questions and we'll connect you with the correct team.
Showing 1-12 of 46 product matches
Natural Gas
Propane Gas
Rheem IKONIC™ Super High Efficiency Condensing Tankless Gas Water Heater
8.4-11.2 GPM
  • .96 UEF – ENERGY STAR® Rated
  • Save up to 33% per year in energy costs
  • Qualified for local utility rebates
  • Field gas convertible from natural gas to LP- conversion kit included
Natural Gas
Propane Gas
Rheem IKONIC™ Super High Efficiency Condensing Tankless Gas Water Heater with Recirculating Pump
8.4-11.2 GPM
  • .96 UEF – ENERGY STAR® Rated
  • Save up to 33% per year in energy costs
  • Qualified for local utility rebates
  • Built-in WiFi
Propane Gas
Natural Gas
Performance Platinum® Super High Efficiency Condensing Tankless Gas Water Heaters
8.4-8.4 GPM
  • Up to .93 UEF
  • Up to 52% more efficient than a standard 50-gallon tank
  • Integrated Digital Display for confident installs
  • Indoor/Outdoor model with available outdoor conversion kit (sold separately)
Natural Gas
Propane Gas
Performance Platinum® Super High Efficiency Condensing Tankless Gas Water Heaters With Built-in Wi-Fi
9-9.5 GPM
  • .93 UEF Rated
  • Built-in EcoNet® Wi-Fi Technology
  • LeakGuard® Leak Detection and Prevention System
  • Indoor/Outdoor model (Outdoor conversion kit sold separately)
Propane Gas
Natural Gas
Performance Plus® High Efficiency Non-Condensing Indoor Tankless Gas Water Heaters
7-7 GPM
  • Up to .82 UEF 
  • up to 34% more efficient than a standard 50-gallon tank
  • Integrated Digital Display for confident installs
  • Industry Leading! 43' vent run capability
Natural Gas
Propane Gas
Performance Plus® High Efficiency Non-Condensing Indoor Tankless Gas Water Heaters
8.4-9.5 GPM
  • 0.82 UEF
  • Built-in EcoNet® Wi-Fi technology
  • LeakGuard® Leak Detection and Prevention System
  • Industry Leading! 43' vent run capability
Natural Gas
Propane Gas
Performance Plus® High Efficiency Non-Condensing Outdoor Tankless Gas Water Heaters
7-7 GPM
  • Up to .82 UEF 
  • up to 34% more efficient than a standard 50-gallon tank
  • External Remote included
  • Rheem Exclusive! Hot Start Programming™ ensures the unit is in a ready state between back to back usage, minimizing any cold water bursts
  • 1/2" Gas line compatibility (subject to local code)
  • Meets 14 ng/J NOX requirements - SCAQMD rule 1146.2 compliant
  • Warranty: 15-year limited warranty on heat exchanger, 5-year limited warranty on parts and 1-year in-home labor warranty
  • Additional savings:  Qualifies for tax incentives and rebates through many utility companies, state/local/federal governments.
Propane Gas
Natural Gas
Performance Plus® High Efficiency Non-Condensing Outdoor Tankless Gas Water Heaters w/Wi-Fi
8.4-9.5 GPM
  • Up to .82 UEF 
  • up to 34% more efficient than a standard 50-gallon tank
  • External EcoNet® WI-Fi Remote included 
  • Additional savings:  Qualifies for tax incentives and rebates through many utility companies, state/local/federal governments.
Natural Gas
Rheem® ThermaForce™ Super High Efficiency Condensing Tankless Gas Water Heaters
10.1-10.1 GPM
  • Up to .90 UEF
  • Save up to 32% annually in energy costs 
  • Only 4 moving parts - Damper, Fan, Gas Valve, Mixing Valve
  • Built-in Illuminated Touchscreen Control Panel
Natural Gas
Propane Gas
RTG Series High Efficiency Non-Condensing Indoor Tankless Gas Water Heaters
7-9.5 GPM
  • Up to .82 UEF 
  • up to 34% more efficient than a standard 50-gallon tank
  • Integrated Digital Display for confident installs
  • Industry Leading! 43' vent run capability

Propane Gas
Natural Gas
RTG Series High Efficiency Non-Condensing Indoor Tankless Gas Water Heater With Built-In Wi-Fi
9.5-9.5 GPM
  • 0.82 UEF
  • Built-in EcoNet® Wi-Fi technology
  • LeakGuard® Leak Detection and Prevention System
  • Industry Leading! 43' vent run capability
Natural Gas
Propane Gas
RTGH Series Super High Efficiency Condensing Tankless Gas Water Heater With Built-In Wi-Fi
9.5-9.5 GPM
  • .93 UEF Rated
  • Built-in EcoNet® Wi-Fi Technology
  • LeakGuard® Leak Detection and Prevention System
  • Indoor/Outdoor model
Previous
1
2
3
4
Next
Page 1 of 4
Helpful for Homeowner
Water Heaters
Heating & Cooling
Home Innovations
Pool & Spa Heaters
EcoNet®
ENERGY STAR® Products
Commercial Solutions
Commercial Water Heaters
Heating & Cooling
Commercial Innovations
Builders Program
Commercial Financing
Professionals
MyRheem Portal
Become a Rheem Pro
Replace a Part
Contractor Financing
Training
About Rheem
Who We Are
Sustainability
Careers
Blogs
Help & Support
Tools & Resources
Find a Pro
Product Registration
Water Heating Blog
Air Conditioning Blog
Rebate Center
Federal Tax Credits
Homeowner Financing
Frequently Asked Questions
Water Technical Bulletins
Rheem Social
X YouTube LinkedIn Facebook Instagram
Rheem Mobile
googlePlay appStore
Atlanta, Georgia
Austin, Texas
Boston, Massachusetts
Charlotte, North Carolina
Chicago, Illinois
Houston, Texas
Dallas, Texas
Denver, Colorado
Detroit, Michigan
El Paso, Texas
Fort Worth, Texas
Indianapolis, Indiana
Jacksonville, Florida
Los Angeles, California
Memphis, Tennessee
Nashville, Tennessee
New York, New York
Oklahoma City, Oklahoma
Philadelphia, Pennsylvania
Phoenix, Arizona
Portland, Oregon
San Antonio, Texas
San Diego, California
San Francisco, California
San Jose, California
Seattle, Washington
Copyright 2004–2025 Rheem Manufacturing Company. All Rights Reserved.
Privacy Policy Supplier Code of Conduct ADA Accessibility Guidelines Cookie Policy Sales Policies & MAP Recall Information