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5 Best Non Condensing Tankless Water Heaters of 2026

Last Updated - 2026/04/04

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Rinnai

Rinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater, Up to 9.8 GPM, Indoor Installation, 199,000 BTU

Rinnai

CA$2,752.00

More Details
Main highlights
- Smart, Durable Design: Water heater includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included); See REP199iN for model with included pump
- Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy; Speeds installation and enhances serviceability with a cleaner internal layout; LED screen provides service reminders and error codes
- Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
- Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 7.6 GPM (6 fixtures at once)
- Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region
CA$2,752.00
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Rheem

Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM

Rheem

CA$2,417.80

More Details
Main highlights
- Save on Energy Costs – High Efficient Water Heater only runs when needed
- Save Water– Water Saving Setting saves up to 1,100 gallons of water per year
- Save Space - New smaller size, 19%, and reduced weight by 22% compared to the previous model for easy installation and space savings
- Leak Protection – LeakGuard Leak Detection & Prevention protects your home from water damage that detects any internal leak, both large or small
- Hot-start programming keeps the water heater in a ready state, avoiding any cold-water bursts
- Continuous Hot Water & Comfort When Needed – Provides enough hot water for your entire house, even when using multiple applications such as a shower and dishwasher
CA$2,417.80
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Rheem

Rheem RTG-70DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 7.0 GPM

Rheem

CA$1,796.19

More Details
Main highlights
- Save on Energy Costs – High Efficient Water Heater only runs when needed
- Save Water– Water Saving Setting saves up to 1,100 gallons of water per year
- Save Space - New smaller size, 19%, and reduced weight by 22% compared to the previous model for easy installation and space savings
- Leak Protection – LeakGuard Leak Detection & Prevention protects your home from water damage that detects any internal leak, both large or small
- Hot-start programming keeps the water heater in a ready state, avoiding any cold-water bursts
- Continuous Hot Water & Comfort When Needed – Provides enough hot water for your entire house, even when using multiple applications such as a shower and dishwasher
CA$1,796.19
4
Best Value
26% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Rinnai
26% Off

RINNAI RX160iN Condensing Tankless Water Heater RX160 Features 0.95 UEF with 160k BTU.

Rinnai

CA$1,865.86

CA$2,512.00
(26% Off)

More Details
Main highlights
- Smart Sense -Gas Control System
- Smart Connect - Rinnai Central App - Setup, Service & Troubleshoot
- Quick Flush - Simplified Flushing
- One model - Indoor/Outdoor, Natural Gas/Propane
- Industry leading 2" venting up to 75 feet; Recirculation: Field convertible with Internal Pump kit; Versa Vent - Outdoor Vent Adaptor and Lime Detection
CA$1,865.86
CA$2,512.00 (26% Off)
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Rinnai

Rinnai RE140iP Non-Condensing Propane Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU

Rinnai

CA$1,759.50

More Details
Main highlights
- Smart, Durable Design: Water heater fits a wide array of spaces; Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)
- Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy; Speeds installation and enhances serviceability with a cleaner internal layout; LED screen provides service reminders and error codes
- Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
- Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 5.3 GPM (5 fixtures at once)
- Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region
CA$1,759.50

5 Best Non Condensing Tankless Water Heaters of 2026

Rinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater, Up to 9.8 GPM, Indoor Installation, 199,000 BTU

Rheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM

Rheem RTG-70DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 7.0 GPM

RINNAI RX160iN Condensing Tankless Water Heater RX160 Features 0.95 UEF with 160k BTU.

Rinnai RE140iP Non-Condensing Propane Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU

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RINNAI RX199iN Condensing Tankless Water Heater RX199 Features 0.96 UEF with 199k BTU.

Rinnai RE140iN Non-Condensing Natural Gas Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU

Rinnai RU130iP Propane Condensing Tankless Water Heater with Space-Saving Design and Smart Features, Indoor Installation, 7 GPM

New Rinnai RX130iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 7.1 GPM, 130,000 BTU

Rheem RTG-70XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater, 7.0 GPM

ThermoMate CZ480NG 5.28GPM Condensing Tankless Water Heater, 0.86 UEF High Efficiency Instant On-Demand Hot Water Heater, Residential Indoor Natural Gas Water Heater with Multi-Point Heating

Rinnai RE140eN Non-Condensing Natural Gas Tankless Water Heater, Up to 5.3 GPM, Outdoor Installation, 140,000 BTU

Westinghouse Tankless Water Heater Propane Indoor Installation Max 5.1 GPM 120,000 BTU, WIFI Enable Temp Self Modulating Non Condensing High Efficiency for House or Commercial, APOLO Performance

Rinnai RE160eN Non-Condensing Natural Gas Tankless Water Heater, Up to 6.6 GPM, Outoor Installation, 160,000 BTU

Rinnai CU160iP Propane Gas Condensing Tankless Hot Water Heater, 9 GPM

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