Best Rheem Indoor Heaters In September 2026

Facebook

Twitter

Tumblr

Pinterest

Reddit

WhatsApp

Telegram

If you are considering to buy the Best Rheem Indoor Heaters, you should go through this product guide.

To help you in your search, we have completed this list of the Best Rheem Indoor Heaters.

Top Rated Best Rheem Indoor Heaters Of 2026

Rank	Product Name	Score
1	Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater Buy Now	9.7 Buy Now
2	Rinnai RL Series HE+ Tankless Hot Water Heater: Indoor Installation Buy Now	9.5 Buy Now
3	Rheem RTGH-90DVLN Prestige Indoor Condensing Ultra Low NOx Natural Gas Tankless Water Heater Buy Now	9.1 Buy Now
4	Rheem RTG-70DVLN-1 Tankless Water Heater, Grey Buy Now	8.8 Buy Now
5	Rheem RTG-84XLP-1 Tankless Water Heater, Grey Buy Now	8.6 Buy Now
6	Rheem RTGH-RH11DVLN Prestige Series Professional Condensing Tankless Gas Water Heaters With Built-in Recirculation Buy Now	8.3 Buy Now
7	Rheem RTG-84DVLN 8.4 GPM Low NOx Direct Vent Tankless Natural Gas Water Heater Buy Now	8.1 Buy Now
8	Rheem RTG-95DVLN 9.5 GPM Low NOx Direct Vent Tankless Natural Gas Water heater Buy Now	7.8 Buy Now
9	Rheem RTGH-95XLN Prestige Natural Gas Outdoor Whole House Low NOx Condensing Tankless 9.5 Buy Now	7.5 Buy Now
10	Rheem 240V 3 Heating Chambers RTEX-27 Residential Tankless Water Heater Buy Now	7.2 Buy Now

1. Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater

• Up to 38-feet of 3-inch pvc pipe or 5-feet of 2-inch pvc pipe
• 94-percent energy efficient with stainless-steel condensing heat exchanger
• Third party efficiency listed by ahri
• Intelligent electronic controls designed to increase energy efficiency and safety
• Low nox version

2. Rinnai RL Series HE+ Tankless Hot Water Heater: Indoor Installation

• Residential factory warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
• Rl75in he+ high efficiency tankless hot water heater - natural gas: indoor installation only
• Circ-logic technology allows you to set recirculation patterns that coincide with your typical habits. hot water is available when you need it!
• Endless hot water for your entire home
• Up to 7.5 gpm hot water flow rate (varies by groundwater temp)

3. Rheem RTGH-90DVLN Prestige Indoor Condensing Ultra Low NOx Natural Gas Tankless Water Heater

• 11,000 - 180,000 btu/h
• Up to .94 ef with stainless steel condensing heat exchanger
• Digital remote control and 10 ft. of thermostat wire included
• Manual gas isolation valve included
• Indoor direct vent

4. Rheem RTG-70DVLN-1 Tankless Water Heater, Grey

• Recirculation pump ready kit ready
• 160, 000 btu (gas consumed per hour)
• Exclusive water savings technology conserving up to 1, 100 gallons per year
• For use indoor only
• Exclusive hot start programming minimizes cold water burst by staying in ready-fire state

5. Rheem RTG-84XLP-1 Tankless Water Heater, Grey

• Exclusive hot start programming minimizes cold water burst by staying in ready-fire state
• For use outdoors with freeze protection up to -30 degrees
• 157, 000 btu (gas consumed per hour)
• Exclusive water savings technology conserving up to 1, 100 gallons per year
• Recirculation pump ready kit ready.8.4 gal./min. at 35 f rise max

6. Rheem RTGH-RH11DVLN Prestige Series Professional Condensing Tankless Gas Water Heaters With Built-in

• Rheem prestige rtgh is a series of high efficiency condensing tankless gas water heaters designed for continuous hot water and 199,00 btu
• With dual stainless steel condensing heat exchanger, max gpm of 11 (on 199k btu models)
• Instant hot water at the tap, programmable time based activation, save time on install with built-in pump, reduces water waste

7. Rheem RTG-84DVLN 8.4 GPM Low NOx Direct Vent Tankless Natural Gas Water Heater

• Direct vent indoor
• Umc-117 remote control and 10-feet of thermostat wire is included
• Low nox version
• 8.4 gal/min. at 35-degree rise
• Natural gas tankless water heater

8. Rheem RTG-95DVLN 9.5 GPM Low NOx Direct Vent Tankless Natural Gas Water heater

• Direct vent indoor
• Umc-117 remote control and 10-feet of thermostat wire is included.low nox version
• 1/2" gas line compatibility on every model
• 9.5 gal/min. at 35-degree rise
• Natural gas tankless water heater

9. Rheem RTGH-95XLN Prestige Natural Gas Outdoor Whole House Low NOx Condensing Tankless 9.5

• Didgital (umc-117) remote control and 10-feet of thermostat wire included
• 2-pipe direct vent system designed for pvc pipe
• Industry best .26 gpm minimum flow rate, .40 gpm minimum activation flow rate
• Up to 35-feet. of 3-feet pvc pipe or 5-feet of 2-feet pvc pipe
• .94 energy factor (ef) with efficient stainless steel condensing heat exchanger

10. Rheem 240V 3 Heating Chambers RTEX-27 Residential Tankless Water Heater

• Threaded for easy replacement, simple installation, digital temperature display
• Simple installation bottom 3/4 inch npt water connections
• Most advanced self-modulation, adjust power to meet hot water demand
• External digital thermostatic control with led display (+/1 degree accuracy)
• Durable copper immersion three heating elements, field serviceable