6 Best Propane Heaters That Can Be Used Indoors

  • By: Promise
  • Time to read: 10 min.
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There are several indoor propane heater with thermostat out there that are amazing because of the thermostat feature they come with. Since a thermostat is a device that automatically regulates temperature, or that activates a device when a temperature reaches a certain level, it’s best to buy a propane heater with thermostats for indoor use.

6 Best Propane Heaters That Can Be Used Indoors

The best indoor propane heater with thermostat are:

1. Bluegrass Living B28TPIR-BB Propane Heater

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The Bluegrass Living B28TPIR-BB Propane Heater is one of the best indoor propane heaters from Bluegrass that comes with a thermostat that automatically regulates the temperature of the device without you having to do that manually.

The thermostat feature of this propane heater lets you set the thermostat to however level you want it which is an added advantage this heater has over others. Not everyone in the family would want the room temperature to be the same. But with the thermostat, you can be able to use it to set it to however you want.

One of the first features that make this heater interesting is the fact that it is a ventless indoor propane heater. That alone has saved you the time and money with which you would have used to vent the product. The fact that it is a ventless propane heater has saved you that stress.

The Bluegrass Living B28TPIR-BB Propane Heater can give you 28,000 maximum BTU heat which is amazing considering the indoor space where you want to use it. It is perfect for a 1,450 sq. ft indoor space. This means that if the indoor space where you wish to use this propane heater is between 1,450 square foot, then you are good to go. It will give you the heat you desire.

This heater comes with a push-button ignition that lets you easily turn on the heater without having to stress yourself doing it. The heater can warm your 32×38 garage nicely.

Another feature of Bluegrass Living B28TPIR-BB Propane Heater that makes it better than the rest is the Oxygen Depletion Sensor (ODS) that comes with it with automatic shut off. It’s best to buy a propane heater that comes with ODS and automatic shut-off. What the sensor does is shut off the propane fuel if the oxygen level in the air gets too low. This is to avoid getting carbon monoxide poisoning from a propane heater.

The ODS is a very important feature because sometimes when using the heater, you may be caught up with what you are doing without noticing that there is not enough ventilation in the room for the propane heater. This is bad because if the oxygen level in the room is too low for the heater to work, it will produce more carbon monoxide which can kill. So the ODS will automatically shut off the heater once it notices a low oxygen level in the indoor space where the heater is operating.


  • It is a ventless propane heater, meaning you don’t need to purchase venting products or spend money venting it.
  • It comes with infra-red radiant gas
  • Easy to Turn on
  • It comes with a thermostat control
  • It doesn’t need electricity to run
  • Comes with ODS
  • It comes with a wall mounting bracket


  • It comes without footing
  • The fan button is on the back which is may not be pleasant when the heater is mounted on the wall.

2. Rinnai FC824P Vent-Free Propane Gas Heater

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Rinnai FC824P is another propane heater with lots of amazing features. First of all, the heater is energy efficient which is amazing. The heater is only made to be used indoors with the thermostatic display. You can even run a self-diagnostics on the heater in case it has any issue or if you just want to maintain it.

However, just like every other indoor propane heater out there, Rinnai FC824P also comes with Oxygen Depletion Sensor which is great for indoor use. As long as this propane heater is to be used indoors, it should have an ODS feature for safety’s sake.

The heater is also vent-free meaning you don’t need to spend money trying to vent it. It is a portable indoor propane heater. It will only consume 29 watts of electric power. Rinnai FC824P will give you ultra-efficient heating for your space.


  • It has a 8,000 – 22,000 BTU with 109.5/215.5 fan CFM output
  • It can heat a large space of 2000 sq. ft and more.
  • It comes with ODS


  • The thermostat lowest setting is 60f
  • It doesn’t have any backup battery for time settings

3. Mr. Heater F260550

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Mr. Heater F260550 is another vented hater with a thermostat that can efficiently heat your indoor space. This heater is best used during cold seasons and promises to cover over 1250 sq. ft.

The Mr. Heater F260550 comes with massive 50,000 BTU which is amazing. Remember that knowing the BTU range of the heater you wish to use for your indoor space is very important. With such a huge BTU, this heater is just perfect for heating indoor spaces such as the garage.

It comes with easy outside access to the thermostat and A/C terminals and gas connection. Remember, it is a vented heater. Which means you have to vent it outside.

But don’t worry, it only requires only 1in. clearance from ceiling. It also comes with two angle brackets to position the heater up on the wall.

One downside about this heater is that it doesn’t come with ODS which is still OK since you will be venting the heater anyways.

Also, you are urged never to use gasoline or any flammable materials whether in vapor form or liquids in the vicinity where this heater is running. If you wish to use such, turn off the heater, wait for a little while for the heater to cool off, use the liquid and wait for a while before turning the heater back on. Please be safety conscious to avoid setting your house on fire.


  • It has a massive 50,000 BTU which can heat up to 1,250 sq. ft.
  • It comes with the natural gas to liquid propane conversion kit
  • It is suitable for low ceiling buildings
  • It comes with a 1/2 gas connection
  • It comes with a spark-ignition feature
  • It comes with a self-diagnostic control module


  • It may be hard to install for a DIY project
  • It does not have ODS
  • It requires category 1 vertical and category 3 horizontal venting
  • The thermostat is sold separately
  • The digital thermostat does not work with the heater under certain temperatures.
  • So, you must use the Mr. Heater thermostat or a low-temperature thermostat from another manufacturer.
  • It may become noisy if not properly managed.

4. Ashley Hearth DVAG11L 11,000 BTU Propane Heater

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This is another indoor propane heater with thermostat that is solidly made for everyone. It is one of the best propane heaters anyone could get. A lot of features in Ashley DVAG11L make it outstanding among others.

Ashley DVAG11L propane heater will heat up to 375 sq. ft. meaning that the product is perfect for garages, basements, and other indoor use.

Another amazing feature of Ashley DVAG11L is how portable it is. The venting process is not complicated at all plus it comes with a complete skit which includes a heat shield, vent pipe, air intake pipe, flashing, cap, and connecting rod.

Another interesting feature of Ashley DVAG11L is that it comes with a 430 stainless steel ported burner which ensures that the heater doesn’t make noise anytime it is being turned on or off. It is indeed a quiet heater to use for your indoor space.

If you ask for my personal opinion, I will recommend this product. It comes with so many mouth-watering features. You can even use it in mobile or modular homes. Isn’t that amazing?

This product comes with a safety pilot with a built-in pressure regulator which completely stops the flow of gas in the event the pilot is extinguished. This product is perfect for bedrooms and living rooms.

NOTE: Before using this product in your indoor space, ensure to first “burn it in” outside before installing it inside. This is because when you first light the heater, it will give off smoke for 5 minutes. The smell from the smoke is not pleasant at all which will continue to smell even after 5 minutes the smoke has stopped.


  • It is a direct vent heater and comes with a complete kit
  • It comes with matchless piezo lighting for quick starts
  • It has 11,000 BUT and can heat up to 375 sq. ft.
  • Silent on and off
  • It comes with a built-in pressure regulator


  • It gives off a 5 minutes smoke on first use which has a disturbing odor
  • The installation instructions are complicated to understand for a layman
  • Most heat comes out from the top of the heater, not the front
  • The pilot position may be hard to find

5. Dyna-Glo BFSS20NGT-2N Blue Flame Thermostatic Heater

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The Dyna-Glo BFSS20NGT is one of the most recommended indoor propane heaters with a thermostat. The heater is solidly made to give your space the exact heating it needs during winter.

It comes with a blue flame technology which makes it possible for the heater to give off blue flames while heating the room which is great because it will help you notice when something is wrong with the heater.

At least, anytime you see yellow or orange flames instead of the normal blue flames, it is clear evidence that something is wrong with the heater which needs to be fixed. This is an added advantage to the heater. The color switch will notify you to call a technician to fix the heater.

You can even purchase a fan that is sold differently to upgrade the unit. The fan will help improve circulation in your indoor space up to 1000 sq. ft. Amazing right. The fan upgrade is totally optional. Whether you upgrade or not, the heater will give you the heat you desire.

If you want to, you can even purchase the floor installation option which is sold differently too. This floor installation option lets you comfortably install the unit on the floor to fit perfectly to the floor.

Well, it comes with a thermostat control system that is ready to regulate the temperature of your indoor space at all times. There are many good things about this heater that the mouth cannot explain.


  • Easy installation
  • Comes with a massive 20,000 BTU
  • Comes with blue flames technology which gives off blue flames when the heater is running
  • It comes with a thermostat control knob
  • It doesn’t require electricity to function


  • It produces a strange smell when running which is not a gas smell. The smell will be gone in no time
  • The smell is because of how new the product is
  • The optional fan works best if the heater is not attached to the wall
  • The blower makes noise when turned on

6. Martin Direct Vent Natural Gas Wall Thermostatic Heater

6 Best Propane Heaters That Can Be Used Indoors.jpg

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We cannot complete writing the best indoor propane heater with thermostat without mentioning the almighty Martin Direct heater. This indoor heater is too amazing. It is worth everything it is made for.

First of all, the heater comes with a thermostat which is great for indoor use. It is stylish and it is clean. Common, having this heater indoors will not make your room look ugly. Rather it will add more beauty to it. Even if you wish to use it in your garage, it will add more prestige to your fleet of cars.

With 11,000 British Thermal Units (BTU), your space is covered. It will keep it warm. Thanks to the thermostat which is there to ensure the temperature of your space is regulated.

This product is made with die-cast aluminum which is more safety than the others. It is for natural gas only and should be directly vented.


  • Martin Direct will add more beauty and prestige to your space
  • It comes with 11,000 BTU
  • It comes with a large heavy-duty grill in die cast-aluminum
  • It is easy to maintain
  • Produces blue flames while working


  • Use natural gas only
  • It must be directly vented to work

Things to Know Before Buying an Indoor Propane Heater with a Thermostat

  • Know the Size of the Indoor Space: It is important to know how big or small the indoor space where you wish to use the propane heater is before making a purchase for any propane heater. This is the number one factor that should guide your purchase. 
  • Know the Propane Heater BTU: Knowing the propane heater’s BTU will help you know what you are bargaining for. It will help you know what you are about ordering.
  • Know the sq. ft. the BTU Can Cover: Another factor that should guide your purchase is knowing the number of sq. ft of the propane heater you wish to buy can cover. This will help you buy one that is not too much for the space or one that will not heat the space efficiently.


All the 5 indoor propane heaters with thermostats explained in this article are good for indoor use. They are the best. It’s left for you to choose the one that your heart desires. The one you think is best for your space. You are the one that knows the space where you want to use them. Choose one and enjoy.

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