---
product_id: 594891772
title: "Mr. Heater 4,000-18,000 BTU Green Big Buddy Portable Liquid Propane Heater"
brand: "mr. heater"
price: "3114 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/594891772-mr-heater-4-000-18-000-btu-green-big-buddy
store_origin: PL
region: Poland
---

# Dual swivel regulators for versatile fuel options 4,000-18,000 BTU adjustable power Oxygen Depletion Sensor & tip-over safety Mr. Heater 4,000-18,000 BTU Green Big Buddy Portable Liquid Propane Heater

**Brand:** mr. heater
**Price:** 3114 zł
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay warm, stay safe, and never miss the heat wave!

## Quick Answers

- **What is this?** Mr. Heater 4,000-18,000 BTU Green Big Buddy Portable Liquid Propane Heater by mr. heater
- **How much does it cost?** 3114 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/594891772-mr-heater-4-000-18-000-btu-green-big-buddy)

## Best For

- mr. heater enthusiasts

## Why This Product

- Trusted mr. heater brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Equipped with Oxygen Depletion Sensor and automatic tip-over shutoff for peace of mind.
- • **Fuel Flexibility:** Switch seamlessly between disposable cylinders and remote gas supply with dual swivel regulators.
- • **Portable & Compact:** Lightweight 6.4 kg design fits cabins, workshops, and outdoor retreats with ease.
- • **Effortless Ignition:** Push-and-rotate knob with built-in Piezo sparking for instant, hassle-free startup.
- • **Powerful Heat Control:** Adjust from 4,000 to 18,000 BTU to perfectly warm spaces up to 450 sq. ft.

## Overview

The Mr. Heater Big Buddy is a portable liquid propane heater delivering 4,000 to 18,000 BTU of radiant and convection heat, ideal for enclosed spaces up to 450 sq. ft. Featuring dual swivel regulators for versatile fuel use, a Piezo ignition system for easy startup, and advanced safety sensors including Oxygen Depletion and tip-over shutoff, it combines powerful warmth with trusted safety in a compact 6.4 kg package.

## Description

This patented radiant Mr. Heater Big Buddy 4,000-18,000 BTU Portable Liquid Propane Heater connects directly to two 1 lb. cylinders. The Mr. Heater propane heater 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.

## Features

- 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 liquid propane heater, simply push and rotate the knob and 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 safe heat
- Portable heater is not for sale in Massachusetts or Canada

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Mr. Heater |
| Model Number | F274870 |
| Color | Green |
| Product Dimensions | 27.99 x 45.01 x 43.51 cm; 6.4 kg |
| Special Features | Adjustable Temperature, Low-Oxygen Safety Shutoff, Tip-Over Protection |
| Item Weight | 6.4 Kilograms |

## Product Details

- **Brand:** Mr. Heater
- **Special features:** Adjustable Temperature, Low-Oxygen Safety Shutoff, Tip-Over Protection
- **Colour:** Green
- **Form factor:** Portable
- **Indoor/outdoor use:** Indoor, Outdoor

## Images

![Mr. Heater 4,000-18,000 BTU Green Big Buddy Portable Liquid Propane Heater - Image 1](https://m.media-amazon.com/images/I/91fp3Q9d+nL.jpg)
![Mr. Heater 4,000-18,000 BTU Green Big Buddy Portable Liquid Propane Heater - Image 2](https://m.media-amazon.com/images/I/81PRDd6OqyL.jpg)
![Mr. Heater 4,000-18,000 BTU Green Big Buddy Portable Liquid Propane Heater - Image 3](https://m.media-amazon.com/images/I/81ugpQoXj-L.jpg)
![Mr. Heater 4,000-18,000 BTU Green Big Buddy Portable Liquid Propane Heater - Image 4](https://m.media-amazon.com/images/I/81NvcvrW2EL.jpg)
![Mr. Heater 4,000-18,000 BTU Green Big Buddy Portable Liquid Propane Heater - Image 5](https://m.media-amazon.com/images/I/81p9Zb9YSfL.jpg)

## Frequently Bought Together

- Mr. Heater 4,000-18,000 BTU Green Big Buddy Portable Liquid Propane Heater
- Mr. Heater Buddy Series Hose Assembly - 10-ft., Model# F273704
- Mr. Heater Fuel Filter for Big Buddy & Portable Buddy F276163

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**Shop now:** [https://www.desertcart.pl/products/594891772-mr-heater-4-000-18-000-btu-green-big-buddy](https://www.desertcart.pl/products/594891772-mr-heater-4-000-18-000-btu-green-big-buddy)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-02-07*