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Is It Safe to Leave a Martin Propane Heater Running While Away?

by Patricia Turla November 24, 2022 6 min read

This article at a glance: Martin propane heaters are safe for indoor use if proper ventilation and safety guidelines are followed. These propane space heaters offer efficient heating and features like automated shut-off, low oxygen sensors, and an overheat protector. Ensure your space is well-ventilated, install carbon monoxide detectors, and follow the manufacturer’s instructions to mitigate risks.

As the chilly weather rolls in, many of us look for ways to keep our homes warm and cozy. While an electric indoor heater and a traditional HVAC system are popular options, propane heaters are gaining traction as heating solutions used in various settings.

Is it safe to run a propane heater indoors?The answer is yes, provided that safety guidelines and proper ventilation are strictly followed.

Types of Martin Propane Heaters

Martin offers a range of propane heaters for different needs and spaces, such as:

  • MDV20VP Propane Direct Vent Thermostatic Heater (20,000 BTU):Features a visor for a cozy, fireplace-like ambiance. Likewise, it is equipped with a built-in thermostat for easy temperature control.
  • MDV12VP Propane Direct Vent Thermostatic Heater (11,000 BTU):Offers efficient heating that comes with a glass-ceramic window for added aesthetic appeal.
  • MDV8P Propane Direct Vent Thermostatic Heater (8,000 BTU):Provides reliable heat without taking up too much space.
Types of Martin Propane Indoor Heaters | Heat Your Space with Forced Air Propane Indoor Heaters and Radiant Indoor Propane Heaters

Why Choose Martin Propane Heaters?

Martin propane heaters come packed with the following features:


These indoor propane heaters are designed to provide maximum heat output while using minimal propane, which translates to lower energy costs. The direct vent models, in particular, are known for warming the rooms quickly and maintaining consistent temperatures.


Weighing from 23 to 47 pounds, these portable indoor propane heaters are easy to move and install in various locations within your home. Additionally, due to being lightweight and compact, Martin indoor propane space heaters are ideal for camping trips, outdoor space gatherings, or even as a backup indoor propane space heater during power outages.


Martin propane heaters come with user-friendly controls, making it simple to adjust the heat settings to your preference. Features like the glass-ceramic window on certain models not only add a touch of elegance but also allow you to monitor the flame and ensure everything is working correctly.

Potential Risks of Using Propane Heaters Indoors

Using propane heaters indoors can present several risks if not used correctly. The primary concern is the production of carbon monoxide (CO), a colorless, odorless gas that can be deadly in high concentrations. Carbon monoxide poisoning occurs when the heater starts burning propane without adequate ventilation, leading to a buildup of CO in the air.

Other risks include propane leaks, which can lead to fires or explosions if the gas accumulates and comes into contact with an ignition source. Additionally, improper use of a propane gas heater can result in burns or fire hazards if the heater is placed too close to combustible materials. Ensuring that the heater is positioned safely and kept away from flammable items is essential.

How Martin Heaters Mitigate These Risks with Advanced Safety Features

Safety is a top priority when using any indoor propane heater. Martin propane heaters are equipped with numerous safety features to ensure user peace of mind.

Automatic Shut-off

The automatic shutoff feature activates when the heater tips over or detects low oxygen levels. When the heater tips over, the internal mechanism triggers the shut-off, cutting the gas supply and preventing a potential fire hazard. Such function is also essential for homes with pets or small children, where accidental tip-overs are more likely.

Another scenario where the automatic shutoff feature is necessary is when oxygen levels in the room drop. Propane heaters consume oxygen to burn, and in a poorly ventilated space, it could lead to dangerously low oxygen levels. The automatic shutoff feature senses this drop and shuts off the heater to prevent carbon monoxide buildup, a silent but deadly risk.

Low Oxygen Depletion Sensor (ODS)

The low oxygen sensor is designed to continuously monitor oxygen levels in rooms, such as basements or cabins. In essence, the ODS is your first line of defense against carbon monoxide poisoning, which can occur when oxygen levels are insufficient to support complete combustion of propane.

Having an ODS in your propane heater provides peace of mind, especially if you plan to use the propane indoor space heater for extended periods. It ensures that you can safely enjoy the warmth of your propane indoor heater safely without worrying about air quality. 

Martin Propane Heaters Safe for Indoors due to Advanced Safety Features

Overheat Protection

Overheating can lead to various issues, from damaging the heater’s internal components to creating a fire risk. By incorporating overheat defense, Martin propane heaters mitigate these risks effectively.

Overheat protection works through a built-in thermostat that monitors the temperature of the heater. As the temperature exceeds a safe limit, the thermostat cuts off the propane supply, effectively shutting down the indoor propane space heater.

Martin Heaters Collection Page

Pros and Cons of Leaving an Indoor Propane Heater Unattended

Martin Indoor Propane Space Heater with Built-in Thermostat

Before deciding to leave your new propane heater running while you’re not at home, weigh the pros and cons.

  • Constant Warmth: By leaving the heater on, you ensure that your home stays warm and cozy, preventing pipes from freezing and maintaining a comfortable environment for pets.
  • Energy Efficiency: Propane heaters can be more energy-efficient compared to electric heaters, potentially lowering your heating bills.
  • Convenience: Avoid the hassle of turning the propane indoor heater on and off, especially if you have a busy schedule or tendencies related to forgetfulness.
  • Safety Risks: There is always a risk of fire or carbon monoxide poisoning if the indoor propane heater malfunctions or is not used properly.
  • Fuel Consumption: Running a propane indoor heater continuously will consume more fuel, increasing your expenses.
  • Maintenance Issues: Unattended heaters can potentially overheat or develop issues that could go unnoticed until it’s too late.

Best Practices for Leaving Propane Indoor Heaters Running While Away

Some best practices to ensure your propane indoor heaters operate safely while you’re away include:

  • Automated Timers:By setting up an automated timer, you can schedule your heater to start warming your indoor space just before you arrive home, providing immediate comfort without the wait.
  • Remote Monitoring Systems:These systems can alert you to any issues, such as a propane leak or the heater shutting off unexpectedly. Some advanced systems even include carbon monoxide detectors and low oxygen sensors, providing an extra layer of safety by monitoring indoor air quality and alerting you to any potential buildup of carbon monoxide.

Guidelines for Safe Usage of Indoor Propane Heaters

Martin Propane Direct Vent Thermostatic Heater

The following is everything you need to know to safely use your Martin propane heaters indoors.

  • Install Carbon Monoxide Detectors: Always have functioning carbon monoxide detectors in your home when using a propane space heater inside your home. Carbon monoxide is a silent killer, and these detectors can save lives.
  • Check for Propane Leakage: Regularly inspect the heater and propane tank for leaks. Use a soapy water solution to check for bubbles at connection points.
  • Avoid Flammable Materials: Keep the area around the heater clear of combustible materials such as paper, curtains, and dry clothes.
  • Check the Flame Color: When you ignite the heater, observe the flame. A yellow or orange flame can indicate incomplete combustion, which can produce carbon monoxide. The flame should be blue and steady.
  • Do not Spray Air Fresheners Near the Heater:Aerosol spray cleaners or fresheners and hair spray are highly flammable. Avoid using them near the heater to prevent accidental fires.
  • Use on Stable Surfaces: Place the heater on a flat, stable surface to prevent tipping. If using a wall-mounted room heater, ensure it is securely attached to the wall material.
  • Ensure Good Ventilation: Propane heaters need proper ventilation to let carbon dioxide and monoxide escape. Meanwhile, open a window slightly or use an exhaust fan to allow fresh air to circulate.
  • Carefully Read Manufacturer’s Instructions:Most manufacturers of indoor propane space heaters provide specific guidelines for safe operation.


With proper precautions, ventilation, and the use of models equipped with advanced security features like Martin heaters, it can be. Ensuring your indoor space is well-ventilated, installing carbon monoxide detectors, and following all safety guidelines will help mitigate the risks associated with propane indoor heater use. By staying informed and vigilant, you can enjoy Martin propane indoor heaters heat while keeping your home safe.


Have any questions or would like to place an order? We'd love to help! Chat with our friendly customer service team by calling 1-844-945-3625, chatting in on our website or email us at customersupport@wildoaktrail.com. We look forward to hearing from you!

Patricia Turla
Patricia Turla

Patricia, a seasoned writer and editor, brings a wealth of experience and a pinch of flair to the world of off-grid living. With a sharp pen and an ever-curious mind, Patricia has collaborated on and edited various publications covering off-grid solar power, prepper's canning and preserving, and water purification. These numerous publications under her belt have been instrumental in shaping how-to guides and educational material for those keen on being off the grid. Beyond that, her commitment to empowering others with knowledge and her hands-on experience make her a trusted voice in the community of sustainable living advocates.

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