Mr. Heater Big Buddy Review

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Mr. Heater F274830 MH18BRV Big Buddy Portable RV HeaterThe Mr. Heater Big Buddy portable propane heater is the best garage heater you can buy. It heats larger areas than many other heaters. It is heavy duty and powerful, yet completely portable. It runs cleanly and efficiently while providing a lot of heat.

About the Mr. Heater Big Buddy

This heater provides both radiant and convection heat guaranteeing the area you need to warm is comfortable quickly and efficiently. This heater runs off of two one-pound canisters of propane with the option to add four D batteries for the fan feature. There are several safety features to keep you and your family safe while in use as well.

The Mr. Heater Big Buddy has three settings of 4,000 BTU, 9,000 BTU, and 18,000 BTU. It can heat up to four hundred and fifty square feet. Two swivel regulators allow you to choose the fuel source, and the Piezo Sparking System makes the ignition super simple and easy.

Possible Uses

The Mr. Heater Portable Buddy can be brought along anywhere. Use it while working at home in your garage. When you finish it up in there, pick it up and carry it out to your porch or patio. Bring it out to your barn while you tend to your livestock, or let it keep your animals warm when the nights get cold. Maybe you have a cabin in the mountains off the grid. This heater can be taken on all your camping trips to heat your tent or camper. It can also go along with you to your tailgating parties and fishing trips. The possibilities are endless.

Keep in mind, this heater is not for sale in Massachusetts and Canada.

Safety Information

As with any propane-powered product, this product needs to be regularly maintained and checked for wear and tear. Keep this machine in optimal working order so that you do not risk carbon monoxide exposure.

Carbon monoxide is a gas released by propane and natural gas fuels. It is tasteless, odorless, and colorless. Carbon monoxide poisoning can cause headaches, nausea, neurological issues, and more. If you feel nauseous, develop a headache, or feel faint, please leave the area and consult a physician,

The Mr. Heater Portable Buddy is equipped with safety features that are meant to keep you safe from developing of carbon monoxide poisoning. There is an auto-shutoff switch that is engaged if the unit falls over or is moved. There is also an Oxygen Depletion Sensor that forces the heater to shut off if the oxygen levels get lower in the area. There are also safety guards, so you can be confident that you can keep warm in safety.

How to Use the Mr. Heater Big Buddy

To use the Mr. Heater Big Buddy all you need to do is connect the two propane tanks and insert the batteries. Next, you push and rotate the knob which allows the Piezo Spark System to engage and ignite the heater. The combination of radiant and convection heat will guarantee the area will warm up quickly and efficiently. Just like any product, the Mr. Heater Big Buddy has pros and cons.

Pros and Cons


● This heater has low, medium, and high settings.
● The convection and radiant heat provide ample coverage.
● You can use more than one fuel source due to the swivel regulators.
● The safety features of this product provide you with a sense of security.
● The Piezo sparking mechanism allows for quick ignition.
● This unit heats up to four hundred and fifty square feet.
● The easy operation of this heater makes it ideal for anyone who needs portable heat.


● This product is not available in Massachusetts or Canada.
● You need to be prepared with adequate fuel.


The Mr. Heater Big Buddy is the most popular portable heating system in North America, and for good reason. It provides powerful heating from a portable body. This heater can heat over four hundred square feet while taking up very little space. The convection and radiant heat combination will be sure to warm the space you are in, whether that is the garage, the patio, or a tent.

The Mr. Heater Big Buddy is the best portable heater for you and your family’s heating needs.