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6 Best Alternatives to the GASLAND Gasmart E 5.8 GPM (2026)

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The GASLAND Gasmart E 5.8 GPM offers 150,000 BTU of heating power in a compact indoor propane package. You might look for gasland gasmart e 5 8 gpm alternatives if you need a different flow rate, a distinct color, or a slightly varied footprint. This list covers 6 options that share core specifications like propane fuel type and indoor installation requirements.

Each product here matches the original in key areas such as whole-house use and BTU output. We selected these units because their published specs overlap with the GASLAND model. You will find variations in width, height, and weight. Some units offer precise temperature stability, while others prioritize a smaller physical size. This guide helps you compare these practical differences to find the right fit for your home.

Our top pick: GASLAND Gasmart E 5.8 GPM Indoor Propane Heater.

How these models compare to the original

GASLAND Gasmart E Propane 5.8 GPM

The GASLAND Gasmart E Propane 5.8 GPM shares the same 150,000 BTU output and indoor propane design as the original. It differs primarily in physical dimensions. This model measures 16.7 inches wide and 10.8 inches high, creating a wider, shorter profile compared to the original’s 24.7-inch height. The weight is not specified for this variant. You should choose this unit if your installation space has limited vertical clearance but allows for a broader footprint. Both units offer the same 5.8 GPM flow rate for whole-house use. The color remains black for both. This alternative provides flexibility for tight vertical spaces while maintaining the same heating power and fuel type.

Camplux 5.8 GPM Propane Indoor Heater

The Camplux CA528WLP offers the same 150,000 BTU heating capacity and 5.8 GPM flow rate for indoor propane use. Its most significant difference is the color, which is white rather than black. The dimensions are notably different, with a height of only 6.5 inches, making it much shorter than the original’s 24.7-inch profile. It shares the same width and length of 14.3 inches and weighs 33.1 pounds. This compact vertical footprint suits homes where height is restricted. Both units are designed for whole-house hot water. The Camplux model provides a distinct aesthetic option and a shorter installation profile while delivering identical flow and heating performance for indoor propane systems.

GASLAND Gasmart C 5.8 GPM Indoor Propane Heater

The GASLAND Gasmart C 5.8 GPM Propane Heater differs in its specified BTU rating, listed as 199,000 BTU in the size attribute, though the attributes section states 150,000 BTU. It shares the same 5.8 GPM flow rate and indoor propane use. The color is white, contrasting with the original’s black finish. Its dimensions are extremely narrow, measuring only 3.54 inches in width and length, with a height of 23.3 inches. This slim profile is ideal for tight spaces. Both units target whole-house hot water. The Gasmart C model offers a significantly narrower footprint, making it suitable for installations where width is a constraint. It maintains the same brand reliability and indoor propane compatibility.

VEVOR 4.3 Gal Propane Tankless Water Heater

The VEVOR 4.3 Gal Propane Tankless Water Heater provides a lower flow rate of 4.3 GPM compared to the original’s 5.8 GPM. It shares the same indoor propane fuel type and whole-house use classification. The color is gray, differing from the original’s black. It is lighter at 19.8 pounds and has a height of 21.7 inches, which is shorter than the original’s 24.7 inches. The width and length are 13.8 inches. This unit suits users who prioritize temperature stability and safety over maximum simultaneous flow. It is a lighter, slightly shorter alternative for indoor propane installations. The reduced flow rate makes it better for homes with fewer simultaneous hot water demands.

Ranein 130k BTU Propane Indoor Heater

The Ranein 130k BTU Propane Indoor Heater offers a slightly lower flow rate of 5.3 GPM compared to the original’s 5.8 GPM. It shares the same indoor propane fuel type. The color is gray, differing from the original’s black. It is heavier at 38 pounds and has a height of 23.2 inches, which is very close to the original’s 24.7 inches. The width and length are 14.2 inches, nearly identical to the original’s 14.3 inches. This unit is designed for whole-house hot water. The Ranein model provides a similar footprint with a slightly reduced flow rate. It is a suitable alternative for users who need a comparable size but prefer a different color or slight flow variation.

APUS 140,000 BTU Indoor Propane Tankless Water Heater

The APUS 140,000 BTU Indoor Propane Tankless Water Heater has a lower BTU output of 140,000 compared to the original’s 150,000. It shares the same indoor propane fuel type. The color is space gray, differing from the original’s black. It is significantly narrower, measuring only 7.09 inches in width and length, with a height of 21.3 inches. It weighs 26.9 pounds, which is lighter than the original. This slim profile suits tight installations. The unit is designed for whole-house use. The APUS model offers a much narrower footprint and slightly lower heating power. It is ideal for users who need a compact unit with app control features and a distinct color option.

Quick picks

#ProductBest forPrice
1 GASLAND Gasmart E 5.8 GPM Indoor Propane Heater Best overall indoor propane whole house heating Check price of GASLAND Gasmart E 5.8 GPM Indoor Propane Heater on Amazon
2 GASLAND Gasmart E Propane 5.8 GPM Also great compact indoor propane installations Check price of GASLAND Gasmart E Propane 5.8 GPM on Amazon
3 Camplux 5.8 GPM Propane Indoor Heater Also great Indoor homes needing stable multi-outlet hot water Check price of Camplux 5.8 GPM Propane Indoor Heater on Amazon
4 GASLAND Gasmart C 5.8 GPM Indoor Propane Heater Also great indoor propane whole-house hot water Check price of GASLAND Gasmart C 5.8 GPM Indoor Propane Heater on Amazon
5 VEVOR 4.3 Gal Propane Tankless Water Heater Best budget Indoor propane use with stable heat Check price of VEVOR 4.3 Gal Propane Tankless Water Heater on Amazon
6 Ranein 130k BTU Propane Indoor Heater Best premium indoor propane whole-house use Check price of Ranein 130k BTU Propane Indoor Heater on Amazon
7 APUS 140,000 BTU Indoor Propane Tankless Water Heater Whole-house propane use with app control Check price of APUS 140,000 BTU Indoor Propane Tankless Water Heater on Amazon

Our 7 picks

Best overall

GASLAND Gasmart E 5.8 GPM Indoor Propane Heater

Best for: indoor propane whole house heating

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

The GASLAND Gasmart E is a whole house propane water heater delivering up to 5.8 GPM at 150,000 BTU. It features a compact 14.3 by 24.7 inch design and weighs 33.1 pounds. The unit offers a 0.8 UEF for efficiency and includes CSA certification for indoor safety. It provides continuous hot water with built-in freeze and overheat protection for reliable year-round use.

Pros

  • 150,000 BTU heating power for whole house use
  • 0.8 UEF rating for high energy efficiency
  • CSA certified for indoor safety standards
  • Compact 14.3 inch width fits tight spaces

Cons

  • Indoor installation only
  • Propane fuel type limits placement options
  • No digital display mentioned in specifications

Good fit if

  • You need a compact unit for indoor closets
  • You want high efficiency for propane heating
  • You require whole house hot water flow

Skip if

  • You need outdoor installation capability
  • You prefer natural gas over propane
  • You require a digital temperature display

Verdict: The GASLAND Gasmart E 5.8 GPM Propane suits indoor homes needing efficient whole house heating. Its compact size and high BTU output make it a solid choice for propane users who prioritize space savings and safety certification.

Also great

GASLAND Gasmart E Propane 5.8 GPM

Best for: compact indoor propane installations

Fuel Type
Propane
Flow Rate
5.8 GPM
BTU
150,000 BTU
Installation Location
Indoor
Dimensions
10.8 x 16.7 x 16.7 inches
Use
Whole House

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

The GASLAND Gasmart E is a 150,000 BTU propane water heater delivering up to 5.8 GPM for whole-house indoor use. It features a compact 16.7-inch square footprint and an energy-efficient design. This unit suits homes needing reliable on-demand hot water without a bulky tank. Its propane fuel type makes it ideal for areas with natural gas limitations.

Pros

  • 150,000 BTU heating power
  • Up to 5.8 GPM flow rate
  • Compact 16.7 x 16.7 inch design
  • Indoor installation capability
  • Propane fuel type

Cons

  • Indoor installation only
  • Propane fuel requires tank supply
  • No outdoor use rating

Good fit if

  • You need a propane-powered unit
  • You have space for a compact indoor install
  • You want whole-house hot water

Skip if

  • You require natural gas fuel
  • You need outdoor installation
  • You want a higher flow rate than 5.8 GPM

Verdict: GASLAND Gasmart E 5.8 GPM Propane fits homes needing a compact, propane-powered indoor solution for whole-house hot water.

Also great

Camplux 5.8 GPM Propane Indoor Heater

Best for: Indoor homes needing stable multi-outlet hot water

Fuel Type
Propane
Flow Rate
Up to 5.8 GPM
BTU
150,000 BTU
Installation Location
Indoor
Temperature Control
±0.5°C
Certification
CSA

View on Amazon: Camplux 5.8 GPM Propane Indoor Heater Affiliate link

The Camplux CA528WLP is an indoor propane tankless water heater delivering up to 5.8 GPM at 150,000 BTU. It features precise ±0.5°C temperature control and library-quiet 45dB operation. The slim 14.3 x 14.3 x 6.5 inch body fits tight spaces. It includes auto freeze protection and 6-layer safety systems. This unit suits households needing reliable hot water for multiple outlets with stable flow.

Pros

  • Delivers up to 5.8 GPM flow rate
  • Produces 150,000 BTU heating power
  • Maintains ±0.5°C temperature precision
  • Operates at a quiet 45dB
  • Compact 14.3 x 14.3 x 6.5 inch design

Cons

  • Heavier at 33.1 pounds
  • Indoor installation only
  • Propane fuel type limits placement

Good fit if

  • You need stable hot water for 3–5 outlets
  • You require precise temperature control without scalding
  • You have space for a slim indoor unit

Skip if

  • You need outdoor installation capability
  • You prefer natural gas over propane
  • You require a higher flow rate than 5.8 GPM

Verdict: The Camplux CA528WLP 5.8 GPM Propane Heater offers precise temperature stability and quiet operation for indoor homes. It fits buyers who need reliable multi-outlet hot water in a compact footprint.

Also great

GASLAND Gasmart C 5.8 GPM Indoor Propane Heater

Best for: indoor propane whole-house hot water

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 delivers up to 5.8 GPM of hot water using 150,000 BTU of propane power. Its compact 23.3-inch frame fits indoor spaces like closets. It offers a 0.8 UEF rating for efficiency. This unit suits whole-house needs. It provides continuous hot water for showers and laundry. You get reliable performance in a space-saving design.

Pros

  • Provides up to 5.8 GPM flow rate
  • 150,000 BTU heating capacity
  • Compact 23.3 x 3.54 x 3.54 inch size
  • 0.8 UEF efficiency rating
  • Indoor installation capability

Cons

  • Indoor installation only
  • Propane fuel type limits placement options
  • No outdoor weather resistance

Good fit if

  • You need whole-house hot water
  • You have indoor propane access
  • You want a compact unit

Skip if

  • You require outdoor installation
  • You use natural gas only
  • You need higher than 5.8 GPM

Verdict: GASLAND Gasmart C 5.8 GPM Propane fits indoor homes needing reliable whole-house hot water. It suits users with propane access who value compact size and steady flow.

Best budget

VEVOR 4.3 Gal Propane Tankless Water Heater

Best for: Indoor propane use with stable heat

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

This VEVOR propane unit delivers 100,000 BTU of heating power with a 4.3-gallon capacity. It features smart temperature control that maintains accuracy within ±1°F. An LED display shows real-time water temperature and status. The device includes multiple safety protections against overheating and dry burning. It is designed for indoor whole-house use and connects via standard 1/2 inch NPT fittings.

Pros

  • 100,000 BTU/h heating capacity
  • ±1°F precision temperature control
  • LED display with touch panel
  • Multiple safety protections included

Cons

  • Lower 100,000 BTU output than most competitors
  • Smaller 4.3-gallon capacity than 5.8 GPM models
  • Heavier at 19.8 pounds

Good fit if

  • You need reliable indoor propane heating
  • You want precise temperature stability
  • You prefer simple LED controls

Skip if

  • You require higher flow rates
  • You need outdoor installation
  • You want natural gas only

Verdict: VEVOR 4.3 Gal Propane Tankless Heater suits users who prioritize temperature stability and safety features over maximum flow rate. It fits homes where precise heat control matters more than high-volume simultaneous usage.

Best premium

Ranein 130k BTU Propane Indoor Heater

Best for: indoor propane whole-house use

Fuel Type
Propane
Flow Rate
5.3 GPM
BTU
130,000 BTU
Installation Location
Indoor
Dimensions
23.15 x 14.17 x 6.30 inches
Use
Whole House

View on Amazon: Ranein 130k BTU Propane Indoor Heater Affiliate link

The Ranein RH13K-LPG is an indoor propane tankless water heater delivering up to 5.3 GPM at 130,000 BTU. It supports three to five outlet points for whole-house use. The unit features a compact design measuring 23.2 inches tall and weighing 38 pounds. A bottom-mounted fan adjusts to wind pressure for safer combustion. It includes a two-year warranty and standard 3/4-inch NPT fittings for installation.

Pros

  • 130,000 BTU heating capacity
  • Up to 5.3 GPM flow rate
  • Bottom-mounted fan for safety
  • Compact 23.2-inch height

Cons

  • Lower flow rate than the 6.8 GPM APUS model
  • Not recommended for altitudes over 2,000 feet
  • Requires manual draining in cold weather

Good fit if

  • You need a compact indoor propane unit
  • You want safety-focused fan placement
  • You have three to five outlets

Skip if

  • You live above 2,000 feet elevation
  • You need more than 5.3 GPM
  • You prefer outdoor installation

Verdict: Ranein 5.3 GPM Propane Tankless Heater suits indoor users needing reliable whole-house hot water for multiple outlets. It fits homes with standard elevation and propane connections.

APUS 140,000 BTU Indoor Propane Tankless Water Heater

Best for: Whole-house propane use with app control

Fuel Type
Propane
Flow Rate
Up to 6.8 GPM
BTU
140,000 BTU
Installation Location
Indoor
Voltage
120V AC
Temperature Control
95–140°F, ±1°F

View on Amazon: APUS 140,000 BTU Indoor Propane Tankless Water Heater Affiliate link

The APUS 140,000 BTU propane water heater delivers up to 6.8 GPM for whole-house use. It includes a built-in booster pump and zero cold water technology. The unit features ±1°F temperature control and a high 0.81 UEF. It is designed for indoor installation and connects to the Tuya app for remote monitoring and status alerts.

Pros

  • High 6.8 GPM flow rate with built-in booster pump
  • Precise ±1°F temperature control via LED or app
  • Zero cold water technology eliminates wait time
  • High 0.81 UEF efficiency rating
  • Smart season comfort adjusts to incoming water temp

Cons

  • Requires 120V AC power for pump and controls
  • Must be drained if ambient temp drops below 41°F
  • Indoor installation only

Good fit if

  • You need high flow for multiple simultaneous water points
  • You want precise temperature control via smartphone app
  • You are installing in an indoor space with power access

Skip if

  • You require outdoor installation
  • You lack access to 120V AC power
  • You live in a climate where the unit may freeze without drainage

Verdict: APUS 140k BTU Propane Tankless Heater suits homes needing high flow and app control. It fits indoor spaces where power is available and freezing risks are managed.

Specifications side by side

Spec GASLAND Gasmart E 5.8 GPM Indoor Propane Heater GASLAND Gasmart E Propane 5.8 GPM Camplux 5.8 GPM Propane Indoor Heater GASLAND Gasmart C 5.8 GPM Indoor Propane Heater VEVOR 4.3 Gal Propane Tankless Water Heater Ranein 130k BTU Propane Indoor Heater APUS 140,000 BTU Indoor Propane Tankless Water Heater
Fuel Type not stated Propane Propane Propane Propane Propane Propane
Flow Rate not stated 5.8 GPM Up to 5.8 GPM 5.8 GPM not stated 5.3 GPM Up to 6.8 GPM
BTU not stated 150,000 BTU 150,000 BTU 150,000 BTU 100,000 BTU/h 130,000 BTU 140,000 BTU
Installation Location not stated Indoor Indoor Indoor Indoor Indoor Indoor
Voltage not stated not stated not stated not stated not stated not stated 120V AC
Temperature Control not stated not stated ±0.5°C not stated ±1°F not stated 95–140°F, ±1°F
Certification not stated not stated CSA not stated not stated not stated not stated
Dimensions not stated 10.8 x 16.7 x 16.7 inches 14.3 x 14.3 x 6.5 inches 23.3 x 3.54 x 3.54 inches 21.7 x 13.8 x 13.8 inches 23.15 x 14.17 x 6.30 inches 21.26 × 13.58 × 7.09"
Use Whole House Whole House not stated Whole House Whole House Whole House Whole House
Weight 33.1 pounds not stated 33.1 pounds not stated 19.8 pounds 38 pounds 26.9 pounds
Size Small not stated 5.8 GPM, LP 5.8 GPM 199,000 BTU LP 4.3 Gal 5.3 GPM Indoor not stated
Color Black Black White White Gray Gray-LPG Space Gray
Model CE528LP CE528LPN1 CA528WLP CS528LPN2 JSQ30-B RH13K-LPG AP-AWH-Q20LPG

Frequently asked questions

Which alternative offers the smallest footprint for tight spaces?

The APUS 140,000 BTU model provides the narrowest profile. It measures just 7.09 inches wide and deep, making it ideal for cramped indoor installations. This compact design allows for flexible placement where width is a constraint. You get high heating power without sacrificing floor space.

Is there a white option among these propane heaters?

Yes, the Camplux 5.8 GPM and GASLAND Gasmart C are available in white. The Camplux model features a white finish with a 14.3-inch width. The GASLAND Gasmart C also comes in white with a similar width. These options suit users preferring a lighter aesthetic for their indoor space.

Which unit weighs the least for easier handling?

The VEVOR 4.3 Gal Propane Tankless Water Heater is the lightest option. It weighs only 19.8 pounds. This makes it significantly lighter than the 33+ pound models from GASLAND and Camplux. You can handle and install it with less physical effort during setup.

Do any alternatives provide app-based temperature control?

The APUS 140,000 BTU model supports app control. This feature allows you to manage settings remotely from your smartphone. It is the only unit in this list with this specific capability. You can adjust parameters without needing to access the physical unit directly.

What is the difference in BTU output between these models?

Most listed units offer 150,000 BTU, including the GASLAND Gasmart E, Camplux, and GASLAND Gasmart C. The Ranein model provides 130,000 BTU, while the APUS unit delivers 140,000 BTU. The VEVOR model does not list a specific BTU figure in its data. You should match output to your hot water demand.

Are all these heaters designed for indoor installation?

Yes, every product in this list is rated for indoor use. They are all designed to operate safely within enclosed spaces using propane fuel. You do not need to worry about outdoor weather exposure for any of these models. Always follow local codes for indoor venting and gas connections.