Best Propane Natural Gas Heaters in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for Propane Natural Gas Heaters

Rheem Mid-Efficiency 8.4GPM Outdoor Natural Gas Tankless Water Heater
#TOP1
Rheem Mid-Efficiency 8.4Gpm Outdoor Natural Gas Tankless Water
8.8
PM SCORE
Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater
#TOP2
Rheem Prestige High Efficiency 9.5Gpm Indoor Natural Gas
8.4
PM SCORE
RHEEM RTGH-84DVLN-2 Natural Gas Condensing Tankless Water Heater, Silver , Gray
#TOP3
Rheem Rtgh-84Dvln-2 Natural Gas Condensing Tankless Water Heater,
6.8
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Propane Natural Gas Heaters of 2026

Rheem Mid-Efficiency 8.4Gpm Outdoor Natural Gas Tankless Water Heater

RHEEM
RTG-84XLN-1
8.88 X 13.88 X 23.63 Inches
57.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Exclusive Water Savings technology conserving up to 1, 100 gallons per year

157, 000 BTU (gas consumed per hour)

Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state

Recirculation pump ready kit ready

For use outdoors with freeze protection up to -30 degrees

Fuel Type: Natural Gas

Rheem Prestige High Efficiency 9.5Gpm Indoor Natural Gas Tankless Water Heater

RHEEM
RTGH-95DVLN-2
27.50 X 9.75 X 28.50 Inches
77.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Hot water without the wait - or the waste

Low operating cost - High energy efficiency and water savings setting

Space Savings - Compact, space-saving design. Perfect for a tank replacement.

Water & Gas Leak Detection will shut down unit and provide an error code

For use indoor only

Rheem Rtgh-84Dvln-2 Natural Gas Condensing Tankless Water Heater, Silver , Gray

RHEEM
RTGH-84DVLN-2
27.50 X 9.80 X 18.50 Inches
77.90 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Hot water without the wait - or the waste

Low operating cost - High energy efficiency and water savings setting

Space Savings - Compact, space-saving design. Perfect for a tank replacement.

Water & Gas Leak Detection will shut down unit and provide an error code

Rheem Prestige Condensing Tankless Outdoor Natural Gas Water Heater 9.5 Gpm - Rtgh-95Xln-2

RHEEM
RTGH-95XLN-2
27.50 X 9.75 X 28.50 Inches
77.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Hot water without the wait - or the waste

Low operating cost - High energy efficiency and water savings setting

Space Savings - Compact, space-saving design. Perfect for a tank replacement.

Water & Gas Leak Detection will shut down unit and provide an error code

For use outdoors with freeze protection up to -30 degrees

Rheem Performance Platinum 9.5 Gpm Natural Gas High Efficiency Indoor Tankless Water Heater

RHEEM
37.00 X 21.00 X 13.00 inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Discount world 3 5.11

Features

Brand New in box. The product ships with all relevant accessories

Rheem Prestige Condensing Tankless Indoor Natural Gas Water Heater 6.8 Gpm - Rtgh-68Vln-2

RHEEM
RTGH-68DVLN-2
27.50 X 9.75 X 28.50 Inches
77.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Hot water without the wait - or the waste

Low operating cost - High energy efficiency and water savings setting

Space Savings - Compact, space-saving design. Perfect for a tank replacement.

Water & Gas Leak Detection will shut down unit and provide an error code

For Indoor use only

Rheem Prestige Condensing Tankless Gas Indoor Natural Gas Water Heater With Built-In Recirculation 10.0 Gpm - Rtgh-Rh10Dvln

RHEEM
RTGH-RH10DVLN
14.80 X 17.30 X 28.70 Inches
85.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Hot water without the wait - or the waste

Low operating cost - High energy efficiency and water savings setting

Space Savings - Compact, space-saving design. Perfect for a tank replacement.

Water & Gas Leak Detection will shut down unit and provide an error code

Auto-Learn Programming - tracks water usage over a period of time and auto-programs to meet hot water needs at peak times

Rheem Prestige Condensing Tankless Gas Indoor Natural Gas Water Heater With Built-In Recirculation 11.0 Gpm - Rtgh-Rh11Dvln

RHEEM
RTGH-RH11DVLN
14.80 X 17.30 X 28.70 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Hot water without the wait - or the waste

Low operating cost - High energy efficiency and water savings setting

Space Savings - Compact, space-saving design. Perfect for a tank replacement.

Water & Gas Leak Detection will shut down unit and provide an error code

Auto-Learn Programming - tracks water usage over a period of time and auto-programs to meet hot water needs at peak times

Rheem Mid-Efficiency 7.0Gpm Outdoor Natural Gas Tankless Water Heater

RHEEM
RTG-70XLN-1
13.88 X 8.88 X 23.63 Inches
54.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon Warehouse 9.90

Features

Continuous Hot Water – never run out of hot water, even with back-to-back showers

Tankless Gas Water Heaters are cost saving and energy efficient

Reduces Energy Consumption - Automatically adjusts the amount of energy required to heat the water you need

Easy, Convenient Control –Easily adjust water temperature ranging from 85˚F–140˚F

For use outdoors with freeze protection up to -30 degrees

Rheem Prestige Condensing Tankless Outdoor Natural Gas Water Heater 9.0 Gpm - Rtgh-90Xln-2

RHEEM
RTGH-90XLN-2
27.50 X 9.75 X 28.50 Inches
77.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Hot water without the wait - or the waste

Low operating cost - High energy efficiency and water savings setting

Space Savings - Compact, space-saving design. Perfect for a tank replacement.

Water & Gas Leak Detection will shut down unit and provide an error code

For use outdoors with freeze protection up to -30 degrees

Rheem Prestige Condensing Tankless Outdoor Natural Gas Water Heater 6.8 Gpm - Rtgh-68Xln-2

RHEEM
RTGH-68XLN-2
27.50 X 9.75 X 28.50 Inches
77.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Exclusive Water Savings technology conserving up to 1, 100 gallons per year

120, 000 BTU (gas consumed per hour)

Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state

Recirculation pump ready kit ready

For use outdoors with freeze protection up to -30 degrees

Top 10 natural gas heaters Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Rheem 11

Top 10 natural gas heaters Brands Pie Chart


We've carried out a comprehensive analysis of 323 reviews on natural gas heaters, using our selection criteria to identify the best options in the sports apparel & equipment. Our findings reveal that most customers typically select natural gas heaters priced around $1,156.24, with top brands including mr. heater, ashley hearth, raypak, sunpak, rinnai, empire comfort systems, superior fireplaces, bromic heating and q quality brand company and procom heating

Our team of expert editors reviewed these high-quality items and handpicked the top 11 natural gas heaters for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the sports apparel & equipment category. These include amazon.com, acme tools, in the swim pool supplies, zbuys, brandster inc, totl holdings llc, advanced systems company, powerhouse supply and premiumoutdoorgrills and northern tool + equipment .

We are dedicated to assisting our users in finding the right heaters Products based on their needs, saving them considerable time when choosing which natural gas heaters to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.