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9.6
Based on 889 reviews

About product

Experience unmatched warmth with the Bluegrass Living Ventless Natural Gas Blue Flame Space Heater, delivering 30,000 BTU to heat up to 1,400 sq. ft. This versatile heater, featuring thermostat control and push-button ignition, ensures efficient and safe heating without electricity, making it perfect for power outages. Its sleek design allows for wall mounting or floor placement with included hardware, while the built-in blower and oxygen depletion sensor enhance safety and comfort.

Pros

  • Heats up to 1400 sq. ft. area
  • Works on natural gas
  • Thermostat control
  • Oxygen Depletion Sensor included

Customer Reviews

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10.0

About product

The Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater offers powerful and efficient heating for spaces up to 1,000 square feet, making it ideal for large rooms. Featuring an automatic low oxygen shut-off system (ODS) for enhanced safety and a thermostat for precise temperature control, this heater ensures a reliable and worry-free operation. Its versatile design allows for wall mounting or free-standing use, and the blue flame burner provides even convection heat, all without the need for electricity.

Pros

  • Heats up to 1000 sq. ft.
  • Blue flame burner for even heat
  • Wire guard for protection
  • Built-in thermostat

Customer Reviews

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9.6

About product

The Dyna-Glo 30,000 BTU Natural Gas Blue Flame Thermostatic Vent Free Wall Heater is perfect for heating up to 1,000 sq. ft. with adjustable heat output and efficient Blue Flame Technology, similar to a central heating system. Its thermostat control ensures consistent comfort, and its no-electricity design makes it an ideal choice for both everyday use and emergency heating during power outages. With a 99.9% efficiency rate, built-in safety features, and versatile mounting options, this heater is a reliable and economical solution for supplemental heating in your home, cabin, or garage.

Pros

  • Heats up to up to 1, 000 sq. ft.
  • Blue flame technology
  • No electricity required
  • Floor installation option

Customer Reviews

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Best natural gas space heater of 2025

Updated December 22, 2025
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Written by Terrick Nyron
Terrick Nyron
Terrick Nyron
Terrick Nyron is an avid outdoorsman and tech enthusiast with interests from holistic agriculture to coding and everything in between. Nothing escapes my interest, and no tree is too tall!
Updated December 22, 2025
Best Pick
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10/10

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Runner-Up
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9.8/10

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Honorable Mention
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9.4/10

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Buying Guide

Stay Cozy: Selecting the Perfect Natural Gas Space Heater

Natural gas space heaters provide efficient and cost-effective heating solutions for homes, particularly during the colder months. They offer a reliable source of warmth, ensuring that living spaces remain comfortable without the high energy costs associated with electric heating options. The purpose of a natural gas space heater is to deliver consistent, powerful heat to specific areas of your home, making it an excellent choice for supplemental heating or as a primary heat source in regions with moderate climates.

When selecting a natural gas space heater, begin by understanding the heating capacity you require. This typically depends on the size of the area you need to heat. Heaters are rated by BTUs (British Thermal Units), which indicate their heating power. For example, a heater rated at 10,000 BTUs can effectively warm a room of about 300 square feet. Assess your space and choose a heater with an appropriate BTU rating to ensure efficient and effective heating. If you want to heat up a large room, a good option is the Mr. Heater 30,000 BTU Vent-Free Blue Flame Natural Gas Heater, which offers powerful and efficient heating for spaces up to 1,000 square feet, making it ideal for large spaces.

The type of natural gas space heater you choose also matters. There are two primary types: vented and vent-free. Vented heaters, such as direct vent and B-vent models, expel combustion gases outside, making them suitable for long-term use and larger spaces. They require installation through an exterior wall or roof, which might involve additional costs. On the other hand, vent-free heaters are easier to install and can be placed almost anywhere in the room. They operate efficiently and are ideal for supplemental heating, but they require proper ventilation to avoid indoor air quality issues. If you're seeking a vent-free heater, check out the ProCom Vent-Free Dual Fuel Stove, which can use either natural gas or liquid propane as fuel and is also user-friendly with its LCD programmable remote control.

Safety features are paramount when choosing a natural gas space heater. Modern heaters come equipped with several safety mechanisms, such as oxygen depletion sensors (ODS) that automatically shut off the heater if the oxygen level in the room drops too low. Overheat protection is another critical feature, preventing the unit from reaching unsafe temperatures. Look for models that include both ODS and overheat protection, making them a reliable and safe choice for any home.

Energy efficiency is another important aspect to evaluate. Look for models with high AFUE (Annual Fuel Utilization Efficiency) ratings, as these indicate better performance in converting fuel to heat. An efficient heater will not only save you money on your energy bills but also reduce your environmental footprint. Heaters with an AFUE rating of 90% or higher are ideal, ensuring you get the most heat for the least gas consumption. Ease of installation and use should not be overlooked. Some heaters come with mounting kits and detailed instructions, simplifying the installation process. If you are not comfortable with DIY installation, professional installation might be necessary, particularly for vented models. Additionally, user-friendly controls, such as digital thermostats and remote controls, enhance convenience. A model with adjustable heat settings allows you to maintain your desired comfort level without hassle.

Material quality is another factor to take into account. High-quality materials, such as stainless steel or heavy-duty cast iron, ensure durability and longevity. Stainless steel is resistant to rust and corrosion, making it a good choice for heaters used in humid environments or those requiring long-term use. Cast iron retains heat well, providing consistent warmth and making it a suitable material for heaters in colder climates.

The design and aesthetic appeal of the heater also play a role. Natural gas space heaters come in various designs and finishes, from sleek, modern styles to classic, rustic looks. Choose a model that complements your home’s décor while providing the necessary functionality. A stylish design with a glass front can add a touch of elegance, while a rustic, cast iron model can enhance the coziness of a traditional setting.

By carefully evaluating these elements, you can find a natural gas space heater that provides efficient, safe, and convenient warmth, enhancing the comfort of your home throughout the colder seasons.

bluegrass living b30tnb-bb ventless natural gas blue flame space heater
bluegrass living b30tnb-bb ventless natural gas blue flame space heater

Featured Products

Bluegrass Living B30TNB-BB Ventless Natural Gas Blue Flame Space Heater with Thermostat Control, 30000 BTU, Heats Up to 1400 Sq. Ft., Includes Wall Mount, Base Feet, and Blower, Black

bluegrass living b30tnb-bb ventless natural gas blue flame space heater

@Bluegrass Living

Experience unmatched warmth with the Bluegrass Living Ventless Natural Gas Blue Flame Space Heater, delivering 30,000 BTU to heat up to 1,400 sq. ft. This versatile heater, featuring thermostat control and push-button ignition, ensures efficient and safe heating without electricity, making it perfect for power outages. Its sleek design allows for wall mounting or floor placement with included hardware, while the built-in blower and oxygen depletion sensor enhance safety and comfort.

Check Price

Product features

  • Heats up to 1400 sq. ft. area
  • Works on natural gas
  • Thermostat control
  • Oxygen Depletion Sensor included

FAQs

Do you need electricity to operate the blower?

Yes, the blower needs electricity to operate.

Yes, the blower needs electricity to operate.

No, a vent cannot be added.

Mr. Heater MHVFBF30NGT 30,000 BTU Vent Free Blue Flame Natural Gas Heater - Wall Mount Space Heater For Cold Rooms, Sun-rooms, and more - White

mr. heater mhvfbf30ngt btu vent free blue flame natural gas

@Mr. Heater

The Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater offers powerful and efficient heating for spaces up to 1,000 square feet, making it ideal for large rooms. Featuring an automatic low oxygen shut-off system (ODS) for enhanced safety and a thermostat for precise temperature control, this heater ensures a reliable and worry-free operation. Its versatile design allows for wall mounting or free-standing use, and the blue flame burner provides even convection heat, all without the need for electricity.

Check Price

Product features

  • Heats up to 1000 sq. ft.
  • Blue flame burner for even heat
  • Wire guard for protection
  • Built-in thermostat

FAQs

Should this heater be mounted to the wall?

This heater can be wall-mounted or freestanding.

Will this heater work well at 5700 ft?

Operating the heater above elevations of 4,500 feet could cause the pilot/ODS to shut down heater.

Dyna-Glo BFSS30NGT-4N 30,000 BTU Natural Gas Blue Flame Thermostatic Vent Free Wall Heater, White

dyna-glo bfss30ngt-4n btu natural gas blue flame thermostatic vent free

@Dyna-Glo

The Dyna-Glo 30,000 BTU Natural Gas Blue Flame Thermostatic Vent Free Wall Heater is perfect for heating up to 1,000 sq. ft. with adjustable heat output and efficient Blue Flame Technology, similar to a central heating system. Its thermostat control ensures consistent comfort, and its no-electricity design makes it an ideal choice for both everyday use and emergency heating during power outages. With a 99.9% efficiency rate, built-in safety features, and versatile mounting options, this heater is a reliable and economical solution for supplemental heating in your home, cabin, or garage.

Check Price

Product features

  • Heats up to up to 1, 000 sq. ft.
  • Blue flame technology
  • No electricity required
  • Floor installation option

FAQs

Does this use a battery for the thermostat?

This unit uses a battery only for the ignitor. This has a built-in thermostat that will cycle on and off automatically.

Does this require a vent?

This is a vent-free heater, that does not need an outside air kit for exhaust.

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