Are Indoor Propane Heaters Safe? Some Indoor Recommendations

Last Updated on: 15th September 2023, 08:53 pm

Can you use a propane heater indoors to keep your home or workshop warm and cozy during the cold months? You’re not alone. Many people are curious about the safety of using propane heaters inside. This friendly and casual article will provide you with all the information you need, focusing on the safety aspects of indoor propane heaters. We’ll discuss specific propane space heaters, garage heaters, and ventless propane options, as well as portable models and those with a 30000 BTU output. So, let’s dive in!

Table of Contents

Is It Safe To Use A Propane Heater Indoors?

Yes, it is safe to use a propane heater indoors, but it depends on your propane heater. Some propane heaters are specifically designed for indoor use, while others are not. Indoor propane heaters are equipped with safety features such as oxygen depletion sensors (ODS) and tip-over protection, ensuring that the space heater turns off if the oxygen level in the room drops below a safe threshold or the heater is accidentally knocked over. Some also have overheating protection as well.

When used correctly and with proper ventilation, indoor propane heaters are completely safe. However, following the manufacturer’s guidelines and safety precautions is crucial to minimize potential risks.

Indoor propane heaters are very safe.

Propane Heaters Safe For Indoor Use

Here are some popular propane heaters that are specifically designed for indoor use:

Mr. Heater / Mr. Buddy

The Mr. Heater (available here) brand offers a range of indoor-safe propane heaters, including the well-known Mr. Buddy series. These portable heaters come in various sizes. The smaller models provide up to 9000 BTUs of heat, and the larger models offer up to 18000 BTUs. Mr. Buddy indoor heaters are equipped with an ODS and tip-over protection, making them a safe choice for indoor use. They can be connected to a propane tank, allowing for hours of continuous heat.

Little Buddy

The Little Buddy (available here) is another indoor-safe propane heater from Mr. Heater. It’s a smaller, more portable option, producing up to 3800 BTUs of heat. The Little Buddy is perfect for heating small spaces like tents, workshops, or rooms. Like the Mr. Buddy series, the Little Buddy has an ODS and tip-over protection for added safety.

Big Buddy

The Big Buddy (available here) is a powerful heater that offers up to 18000 BTUs of heat. It is designed to provide warmth in large, well-ventilated indoor spaces like garages, workshops, or even significant living areas.

Like the other heaters in the Mr. Heater lineup, the Big Buddy comes with essential safety features, including an oxygen depletion sensor (ODS) and tip-over protection. This ensures that the heater will shut off automatically if the oxygen level in the room drops below a safe threshold or if the heater is accidentally knocked over.

It’s important to note that while the Big Buddy heater is designed for indoor use, it should be operated cautiously due to its high BTU output. Make sure to follow the manufacturer’s guidelines and safety precautions to minimize any potential risks.

When using the Big Buddy heater indoors, be mindful of its heating space and ensure adequate ventilation to allow for proper combustion and prevent the buildup of carbon monoxide. Following the safety precautions outlined earlier in this article will help you enjoy the warmth of your Big Buddy heater while keeping your indoor environment safe and secure.

Propane Safety Precautions To Take With A Space Heater

When using a propane heater indoors, it’s essential to follow these propane safety precautions:

  1. Choose the right heater: An indoor propane heater with safety features like an ODS and tip-over protection.
  2. Read the manual: Before using your propane heater, thoroughly read the manufacturer’s guidelines and follow all safety instructions.
  3. Proper ventilation: Ensure the room has adequate ventilation by cracking open a window or door to allow fresh air to circulate.
  4. Keep flammable materials away: Keep your propane heater safe from flammable materials like curtains, furniture, or bedding.
  5. Inspect your heater: Regularly inspect your propane heater for any signs of damage, wear, or leaks. If you find any issues, stop using the heater and have it repaired or replaced.
  6. Never leave it unattended: Never leave your propane heater running while asleep or away from the area.
  7. Use a carbon monoxide detector: Install a carbon monoxide detector in the same room as your propane heater to alert you of potentially dangerous CO levels.
  8. Proper fuel storage: Store your propane tanks in a cool, dry, well-ventilated area away from direct sunlight and heat sources.
  9. Know the signs of CO poisoning: Familiarize yourself with the symptoms of carbon monoxide poisoning, which include headache, dizziness, nausea, and confusion. If you or anyone in the room experiences these symptoms, turn off the heater, open windows for ventilation, and seek fresh air immediately.
  10. Regular maintenance: Ensure your propane heater receives regular care to keep it running safely and efficiently.


Propane heaters can be a safe and effective heating option for indoor use when you choose the suitable model and follow all safety precautions. Models like the Mr. Buddy series and the Little Buddy are designed for indoor use, providing warmth and comfort during those chilly months. Remember, outdoor propane heaters like the Big Buddy are not suitable for indoor use due to the risks associated with high BTU output.

Following the propane heater safety tips outlined in this article, you can confidently use your indoor-safe propane heater to keep your space warm without compromising your safety. So go ahead and enjoy the cozy warmth of your propane heater while staying safe and secure!