---
product_id: 23542489
title: "18000 BTU Natural Gas Vent Free Heater"
brand: "comfort glow"
price: "R21896"
currency: ZAR
in_stock: true
category: "Comfort Glow"
url: https://www.desertcart.co.za/products/23542489-18000-btu-natural-gas-vent-free-heater
store_origin: ZA
region: South Africa
---

# Heats up to 700 sq ft 18,000 BTU power Manual variable heat control 18000 BTU Natural Gas Vent Free Heater

**Brand:** comfort glow
**Price:** R21896
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your space with radiant warmth — no ducts, no limits!

## Quick Answers

- **What is this?** 18000 BTU Natural Gas Vent Free Heater by comfort glow
- **How much does it cost?** R21896 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/23542489-18000-btu-natural-gas-vent-free-heater)

## Best For

- comfort glow enthusiasts

## Why This Product

- Trusted comfort glow brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Powerful 18,000 BTU Output:** Experience rapid, radiant warmth that transforms your space instantly.
- • **Safety-First Oxygen Sensor:** Built-in ODS ensures peace of mind with automatic shutoff for low oxygen levels.
- • **Expansive 700 sq ft Coverage:** Perfectly sized to heat your home office, living room, or studio with ease.
- • **Vent-Free Infrared Technology:** Enjoy clean, efficient heat without the hassle of ducts or vents.
- • **Manual Heat Control for Precision:** Tailor your comfort with intuitive, hands-on temperature adjustments.

## Overview

The WORLD MKTG OF AMERICA KWN391 is a sleek, wall-mounted 18,000 BTU natural gas heater designed for indoor use. Utilizing vent-free infrared radiant technology, it efficiently heats up to 700 sq ft with manual variable heat control and a built-in oxygen safety sensor. Ideal for modern living spaces, it requires no electricity or ductwork, combining fuel efficiency with safety and style.

## Description

3 Plaque Infrared, 18,000 BTU, Natural Gas, Vent Free Wall Heater, Variable Heat Control, Piezo Ignition, Heats Approximate 700 SQFT, For Optional Blower Use #20-6127 & Optional Floor Stand Legs Use #20-5345, Not Included. NOTE: The state of California prohibits the use of this product. Please check your state and local codes prior to purchase. Due to the built-in oxygen safety sensor vent free products may not work properly at elevations of 4500 ft.

## Features

- 18,000 BTU Wall Heater
- Vent Free Wall Heater
- Variable Heat Control
- Piezo Ignition
- Heats Approximate 700 SQFT

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00S04VID6 |
| Best Sellers Rank | #2,250,413 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #31 in Indoor Natural Gas Space Heaters |
| Brand Name | Comfort Glow |
| Color | White |
| Customer Reviews | 4.1 4.1 out of 5 stars (7) |
| Form Factor | Cabinet |
| Fuel Type | Natural Gas |
| Global Trade Identification Number | 00013204403911 |
| Heat Output | 18000 british thermal units |
| Heating Coverage | Heats up to 600 sq ft Area |
| Heating Element | Radiant |
| Heating Method | radiant & infrared |
| Included Components | Wall Bracket/Mounting Hardware |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions D x W x H | 10.5"D x 20.9"W x 24"H |
| Item Type Name | Natural Gas Vent Free Heater |
| Item Weight | 22.9 pounds |
| Item Width | 20.9 inches |
| Manufacturer | WORLD MKTG OF AMERICA/IMPORT |
| Model Number | KWN391 |
| Mounting Type | Wall Mount |
| Number of Speeds | 5 |
| Part Number | KWN391 |
| Power Source | Natural Gas |
| Recommended Uses For Product | Garage, Home, Office |
| Room Type | Dining Room, Home Office, Kitchen, Living Room, Study Room |
| Special Features | 99.9% Fuel Efficient, Infrared, Low-Oxygen Safety Shutoff, Manual Control-NO Thermostat, NO Electricity Required, Ventless No Duct Work Required |
| UPC | 013204403911 |
| Voltage | 110 volts |
| Warranty Description | 2 year manufacturer defect only |

## Product Details

- **Brand:** Comfort Glow
- **Color:** White
- **Form Factor:** Cabinet
- **Indoor/Outdoor Usage:** Indoor

## Images

![18000 BTU Natural Gas Vent Free Heater - Image 1](https://m.media-amazon.com/images/I/61Rk0T7zzqL.jpg)

---

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**Shop now:** [https://www.desertcart.co.za/products/23542489-18000-btu-natural-gas-vent-free-heater](https://www.desertcart.co.za/products/23542489-18000-btu-natural-gas-vent-free-heater)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-09-25*