GASLAND Gasmart E Propane Tankless Alternatives: 6 Similar Picks Compared

How these units compare

VEVOR 4.3 Gal Propane Tankless Water Heater

The VEVOR model takes a different approach by using a 4.3-gallon tank rather than a tankless design. This provides a steady supply of pre-heated water but limits total volume compared to the GASLAND’s unlimited flow. It runs on propane and fits indoor spaces with a compact footprint of 13.8 inches wide. At 19.8 pounds, it is significantly lighter than the 37.5-pound GASLAND unit. You should consider this if you prioritize stable temperature control and precise digital management over high-volume simultaneous use. It is a practical choice for low-demand households where space is tight and you do not need whole-house capacity.

Westinghouse 9.2 GPM Propane Indoor Tankless Heater

The Westinghouse unit offers a higher flow rate of 9.2 GPM, making it suitable for larger homes with multiple bathrooms running simultaneously. It shares the same 199,000 BTU input as the GASLAND but delivers more hot water volume. The unit is slightly wider at 15.9 inches and weighs 56.7 pounds, which is heavier than the GASLAND’s 37.5 pounds. It is designed for indoor propane use and fits whole-house applications. Choose this model if your primary need is increased capacity for busy households. The trade-off is a larger physical footprint and greater weight, which may require more robust mounting support during installation.

MIZUDO 10.3 GPM Propane Tankless Heater

The MIZUDO heater provides an even higher flow rate of 10.3 GPM, catering to multi-bathroom homes with heavy hot water demands. Like the Westinghouse, it uses 199,000 BTU of propane power but maximizes output volume. It shares the same dimensions as the Westinghouse at 15.9 inches wide and weighs 55.5 pounds. This model is built for indoor installation and whole-house use. It is the best option if you need maximum flow for large families. The higher capacity comes with a larger size and weight, requiring careful planning for placement and support. It offers superior performance for simultaneous showers but occupies more wall space than the compact GASLAND unit.

Camplux 7.6 GPM Indoor Propane Tankless Heater

The Camplux model matches the GASLAND’s 7.6 GPM flow rate and 199,000 BTU output, ensuring similar whole-house performance. However, it is significantly more compact, measuring only 11.6 inches wide and 16.7 inches tall. It weighs the same at 37.5 pounds but has a smaller footprint, making it easier to fit in tight closets or utility rooms. It uses propane and is designed for indoor installation. This unit is ideal if you want high flow without the bulk of the GASLAND Gasmart E. The reduced dimensions provide greater flexibility for installation in smaller spaces while maintaining equivalent heating capacity and safety features.

GASLAND Gasmart C 5.8 GPM Indoor Propane Heater

The GASLAND Gasmart C model reduces the flow rate to 5.8 GPM and lowers the BTU input to 150,000, making it less powerful than the original. It is extremely narrow at only 3.54 inches wide, offering a major space-saving advantage for very tight indoor installations. It runs on propane and fits whole-house needs for smaller households. Choose this if you have limited space and do not require high simultaneous flow. The trade-off is reduced capacity, meaning it may struggle with multiple showers running at once. It is a practical choice for apartments or small homes where efficiency and compact size matter more than peak output.

GASLAND Gasmart E 5.8 GPM Indoor Propane Heater

The GASLAND Gasmart E 5.8 GPM model shares the same physical dimensions as the original but delivers lower performance with 150,000 BTU and 5.8 GPM flow. It is slightly lighter at 33.1 pounds compared to the 37.5-pound original. It uses propane and is designed for indoor whole-house use. This model is suitable for small spaces and users who prioritize energy efficiency over maximum capacity. It fits buyers who need a reliable unit but do not require the higher flow rates of the 7.6 GPM version. The compact size remains the same, but the reduced power makes it better for single-bathroom homes or low-demand setups.

Quick picks

Our 7 picks

1 Best overall

GASLAND 7.6 GPM Propane Tankless Water Heater

Best for: High-flow whole-house propane needs

Fuel Type

Propane

Flow Rate

Max 7.6 GPM

BTU

199,000 BTU/hr

Installation Location

Indoor

Certification

CSA

Dimensions

24.7" H x 14.3" W x 14.3" L

View on Amazon: GASLAND 7.6 GPM Propane Tankless Water Heater Affiliate link

The GASLAND Gasmart E delivers up to 7.6 GPM at 199,000 BTU for whole-house propane heating. Its compact 24.7-inch height fits tight indoor spaces. The unit carries CSA certification and includes freeze protection. It offers a 0.8 UEF for efficiency. This model suits homes needing high flow rates in a small footprint.

Pros

• Max 7.6 GPM flow rate
• 199,000 BTU heating capacity
• CSA certified safety
• Compact 24.7-inch height

Cons

• Indoor installation only
• Propane fuel type
• 37.5-pound weight

Good fit if

• You need high flow for multiple fixtures
• You have limited vertical space
• You use propane gas

Skip if

• You require outdoor installation
• You use natural gas
• You need a smaller footprint

Verdict: GASLAND Gasmart E 7.6 GPM Propane provides strong whole-house performance in a compact frame. It fits homes needing high flow rates where propane is available and indoor placement is permitted.

2 Best budget

VEVOR 4.3 Gal Propane Tankless Water Heater

Best for: Low-demand indoor propane heating

Fuel Type

Propane

BTU

100,000 BTU/h

Installation Location

Indoor

Temperature Control

±1°F

Dimensions

21.7 x 13.8 x 13.8 inches

Use

Whole House

View on Amazon: VEVOR 4.3 Gal Propane Tankless Water Heater Affiliate link

The VEVOR 4.3 Gal unit delivers 100,000 BTU/h of propane heating for indoor use. It features smart temperature control maintaining a precision of ±1°F. An LED display shows real-time water temperature and status. The unit includes multiple safety protections like anti-freeze and leak detection. It connects via standard 1/2 inch NPT fittings. This model suits smaller households or specific point-of-use applications where lower flow is acceptable.

Pros

• 100,000 BTU/h propane heating capacity
• ±1°F precision temperature control
• LED display for real-time monitoring
• Multiple built-in safety protections

Cons

• Lower 100,000 BTU output than competitors
• Smaller 4.3 Gal capacity limits flow
• Heavier 19.8 pound build for size

Good fit if

• You need precise temperature stability
• You have limited gas line capacity
• You want clear digital feedback

Skip if

• You require high flow rates
• You need whole-house heating
• You prefer lighter units

Verdict: VEVOR 4.3 Gal Propane Tankless Heater offers precise control and safety for low-demand setups. It fits users prioritizing stability over volume.

3 Best premium

Westinghouse 9.2 GPM Propane Indoor Tankless Heater

Best for: large homes with multiple bathrooms

Fuel Type

Propane

Flow Rate

Up to 10.3 GPM

BTU

199,000 BTU

Installation Location

Indoor

Voltage

120V AC

Temperature Control

95-149°F, ±1.8°F

View on Amazon: Westinghouse 9.2 GPM Propane Indoor Tankless Heater Affiliate link

This Westinghouse unit delivers up to 9.2 GPM of hot water at 199,000 BTU. It maintains temperature within ±1.8°F using self-modulating technology. The 1:20 turndown ratio and 6-stage combustion optimize efficiency. It features freeze protection down to -13°F and a copper heat exchanger. You need indoor installation and a 120V power source. It suits large homes with multiple bathrooms.

Pros

• 9.2 GPM flow rate for whole-home use
• ±1.8°F temperature stability
• 199,000 BTU heating capacity
• Freeze protection to -13°F

Cons

• Heavier at 56.7 pounds
• Larger dimensions than compact models
• Indoor installation only

Good fit if

• You need high flow for 4+ bathrooms
• You want precise temperature control
• You live in a cold climate

Skip if

• You require outdoor installation
• You have limited wall space
• You need natural gas compatibility

Verdict: Westinghouse 9.2 GPM Propane Tankless Heater fits large households needing simultaneous hot water. It offers superior flow and stability for busy homes.

4 Also great

MIZUDO 10.3 GPM Propane Tankless Heater

Best for: multi-bathroom homes needing high flow

Fuel Type

Propane

Flow Rate

10.3 GPM

BTU

199,000 BTU

Installation Location

Indoor

Voltage

120V

Temperature Control

95-149°F, ±1°F

View on Amazon: MIZUDO 10.3 GPM Propane Tankless Heater Affiliate link

The MIZUDO 10.3 GPM propane unit delivers 199,000 BTU for whole-house hot water. It features precise temperature control within ±1°F and a low-flow activation of 0.53 GPM. Smart WiFi app control and Alexa compatibility add convenience. Its sealed direct-vent system ensures safe indoor operation by drawing air from outside. This model suits busy households needing high flow rates across multiple fixtures.

Pros

• 10.3 GPM flow rate supports 2–3 bathrooms
• Precise temperature control within ±1°F
• Smart WiFi app and Alexa control
• Sealed direct-vent system prevents backdraft

Cons

• Not recommended for elevations above 3,000 feet
• Requires professional installation
• 2-year full unit warranty is shorter than industry standards

Good fit if

• You need high flow for multiple bathrooms
• You want smart app control
• You have a standard indoor installation space

Skip if

• You live above 3,000 feet elevation
• You prefer a longer than 2-year warranty
• You need outdoor installation capability

Verdict: MIZUDO 10.3 GPM Propane Tankless Heater fits busy households that need high flow and smart features for indoor use. It is a strong choice for multi-bathroom homes but requires professional setup.

5 Also great

Camplux 7.6 GPM Indoor Propane Tankless Heater

Best for: Whole-house propane heating with high flow

Fuel Type

Propane

Flow Rate

Up to 7.6 GPM

BTU

199,000 BTU

Installation Location

Indoor

Certification

CSA

Dimensions

24.7 x 14.3 x 7.3 inches

View on Amazon: Camplux 7.6 GPM Indoor Propane Tankless Heater Affiliate link

This Camplux unit delivers up to 7.6 GPM at 199,000 BTU for whole-house propane heating. It heats water within two seconds and includes freeze protection down to -20°F. The indoor design features a bottom-fan system to prevent smoke backflow. You get CSA certification and a two-year parts warranty. It fits well in basements or cabins where high flow is needed.

Pros

• 199,000 BTU output for high flow
• Up to 7.6 GPM capacity
• Bottom-fan technology prevents smoke backflow
• CSA certified for safety
• Two-year free replacement parts

Cons

• Requires annual descaling maintenance
• Mandatory winterization below 20°F
• Altitude compensation limited to 2,000 ft

Good fit if

• You need high flow for multiple simultaneous outlets
• You want CSA safety certification
• You live in areas with cold winters

Skip if

• You install above 2,000 ft altitude
• You prefer natural gas over propane
• You cannot perform annual descaling

Verdict: Camplux 7.6 GPM Propane Indoor Heater suits homes needing high-volume hot water with robust safety features. It is ideal for cold climates where freeze protection and high BTU output matter most.

6 Also great

GASLAND Gasmart C 5.8 GPM Indoor Propane Heater

Best for: compact indoor propane installation

Fuel Type

Propane

Flow Rate

5.8 GPM

BTU

150,000 BTU

Installation Location

Indoor

Dimensions

23.3 x 3.54 x 3.54 inches

Use

Whole House

View on Amazon: GASLAND Gasmart C 5.8 GPM Indoor Propane Heater Affiliate link

The GASLAND Gasmart C is an indoor propane tankless water heater rated at 150,000 BTU with a maximum flow rate of 5.8 GPM. It features a compact 23.3 x 3.54 x 3.54 inch design for wall mounting. The unit offers a high UEF of 0.8, making it 34% more efficient than standard 50-gallon tank heaters. This model suits homes needing reliable on-demand hot water without the bulk of a traditional tank.

Pros

• 150,000 BTU heating capacity
• 5.8 GPM maximum flow rate
• 0.8 UEF energy efficiency rating
• Compact 3.54-inch width for tight spaces

Cons

• Lower BTU output than 199,000 BTU competitors
• Lower GPM than 7.6 or 9.2 GPM alternatives
• Indoor installation only

Good fit if

• You need a compact unit for small spaces
• You prioritize energy efficiency over peak flow
• You are installing indoors

Skip if

• You require more than 5.8 GPM
• You need outdoor installation capability
• You want higher BTU output

Verdict: GASLAND Gasmart C 5.8 GPM Propane fits small households or apartments where space is tight and high flow is not critical. It is a practical option for users who value efficiency and compact dimensions over maximum capacity.

7

GASLAND Gasmart E 5.8 GPM Indoor Propane Heater

Best for: Small indoor spaces and energy efficiency

Fuel Type

Propane

Installation Location

Indoor

Use

Whole House

BTU

150,000 BTU

Dimensions

14.3 × 14.3 × 24.7 inches

Weight

33.1 pounds

View on Amazon: GASLAND Gasmart E 5.8 GPM Indoor Propane Heater Affiliate link

This GASLAND Gasmart E unit delivers up to 5.8 GPM of hot water using propane. It features a 150,000 BTU input and a 0.8 UEF rating. The compact design measures 14.3 by 24.7 inches and weighs 33.1 pounds. It is certified for indoor whole-house use. You get continuous hot water without a storage tank. The unit includes safety features like freeze protection. It fits well in small utility spaces.

Pros

• 150,000 BTU heating capacity
• Up to 5.8 GPM flow rate
• 0.8 UEF energy efficiency rating
• CSA certified for safety
• Compact 14.3-inch width

Cons

• Lower 150,000 BTU input compared to 199,000 BTU competitors
• Smaller 5.8 GPM flow rate than 7.6 or 9.2 GPM models
• Indoor installation only

Good fit if

• You need a compact unit for small indoor spaces
• You prioritize energy efficiency with a 0.8 UEF
• You require CSA certification for safety compliance

Skip if

• You need higher flow rates above 5.8 GPM
• You require outdoor installation capability
• You want maximum heating power over 150,000 BTU

Verdict: GASLAND Gasmart E 150k BTU Propane suits buyers who need a compact, efficient indoor unit. It fits small spaces well but lacks the high flow rates of larger models. Choose this if efficiency and size matter more than peak output.

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