Page Contents
Details: Mr. Heater 18,000 BTU Big Buddy Pro Series Portable Propane Heater
Brand: Mr. Heater
The Most Popular Portable Propane Heater in North America. This patented radiant 4,000-18,000 BTU Liquid Propane heater connects directly to two 1 lb. cylinders and is the perfect solution for heating enclosed spaces like cabins up to 450 sq. ft. An integrated fan increases the heating capacity of this unit, blending radiant and convection style heat to give you the best of both worlds. Two swivel regulators give you the ability to adapt usage from disposable cylinders to a remote gas supply with the purchase of a single hose and filter. To light the unit, simply push and rotate the knob. The built in Piezo sparking mechanism will take care of the rest. With the Oxygen Depletion Sensor (ODS) and accidental tip-over safety shut-off, you can be sure that you will enjoy years of comfortable indoor safe heat.*WE ARE NOT ABLE TO SELL THIS PRODUCT TO CANADA AND MASSACHUSETTS* **Please note when operating the heater at altitudes over 7,000 FT above sea level the heater may shut off.**
Advantages
- Products can be returned
- 4,000- to 18,000-BTU radiant heater for spaces up to 450 square feet. Approved for indoor/outdoor use; clean-burning; nearly 100-percent efficient
- When operating the heater at altitudes over 7,000 FT above sea level the heater may shut off. Maximum Hours Of Operation- 220.0
- Auto shut-off if tipped over, if pilot light goes out, or if detects low oxygen levels
- Low, medium and high heat level control knob for steady temperatures; connects to propane tank (not included). Note- Due to recent governmental changes to import tariffs, Mr. Heater has removed the fan on some models of the Mr. Heater Big Buddy (MH18B).
- THE USE OF UN-AUTHORIZED ACCESSORIES/ATTACHMENTS WITH THIS HEATER ARE EXPRESSLY PROHIBITED, MAY CAUSE SERIOUS INJURY, AND WILL VOID THE WARRANTY.
Notice
- Is an online purchase
- Delivery may be delayed in some areas.
Buyer Guide For Patio Heaters
 Fuel Type. Consider whether you want propane, natural gas, or electric heaters. Each has its advantages – propane is portable, natural gas is cost-effective, and electric is environmentally friendly.Heating Power. Look at BTU (British Thermal Units) output for gas heaters or wattage for electric ones. Higher BTUs mean more heat coverage.
Coverage Area. Determine the size of the space you need to heat. Most patio heaters specify their heating radius or square footage coverage.
Safety Features. Look for units with automatic shut-off, tip-over protection, and protective grills. These are essential for safe operation.
Mobility. Consider if you need a portable unit with wheels or a permanent installation. Some models are designed to be mounted on walls or ceilings.
Weather Resistance. Ensure the heater is rated for outdoor use and has weather-resistant construction, especially if it will be exposed to elements.
Price and Warranty. Compare costs of both the unit and operating expenses, and check warranty terms for peace of mind.
This follows the same structured format as the previous guides, providing clear, bullet-pointed advice focusing on key factors to consider when making a purchase decision.
How to use Patio Heaters
Patio heaters are excellent solutions for extending outdoor enjoyment during cooler weather. Here’s a comprehensive guide on how to use them safely and effectively.Proper Placement
- Position the heater on a flat, stable surface
- Keep at least 3 feet clearance from walls, furniture, and flammable materials
- Avoid placing under covered areas with low clearance
- Ensure the heater is protected from strong winds
Starting and Operating
1. Check fuel levels (propane tank or electrical connection)
2. Follow manufacturer’s lighting instructions
3. Allow 5-10 minutes for the heater to reach full temperature
4. Adjust heat settings as needed for comfort
Safety Tips
- Never leave the heater unattended while in use
- Keep children and pets away from the unit
- Turn off and disconnect when not in use
- Store properly during adverse weather conditions
- Regularly check for damage or wear
Maintenance
- Clean the heater regularly
- Check fuel connections for leaks
- Replace parts as needed
- Store in a dry place during off-season
How to Maintain Patio Heaters
Regular maintenance ensures your patio heater works efficiently and lasts longer. Start by cleaning the exterior with a damp cloth to remove dirt and debris. Check for rust or damage, especially on metal parts, and address it promptly. Inspect the fuel lines or connections for leaks if using propane or natural gas. For electric heaters, ensure cords are intact and free of wear. Store heaters indoors during harsh weather or use protective covers. Always follow the manufacturerÂ’s instructions for safe operation and maintenance. A well-maintained patio heater keeps your outdoor space cozy and safe!




