---
product_id: 32443218
title: "Mr. Heater MHVFBF20NGT 20,000 BTU Vent Free Blue Flame Natural Gas Heater & Supplemental Heat in Cold Rooms, Additions, Sun Rooms & Cabins - White"
brand: "mr. heater"
price: "2199 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/32443218-mr-heater-mhvfbf20ngt-20-000-btu-vent-free-blue-flame
store_origin: PL
region: Poland
---

# Safety Shut-off 20,000 BTU Power Convection Heat Mr. Heater MHVFBF20NGT 20,000 BTU Vent Free Blue Flame Natural Gas Heater & Supplemental Heat in Cold Rooms, Additions, Sun Rooms & Cabins - White

**Brand:** mr. heater
**Price:** 2199 zł
**Availability:** ✅ In Stock

## Summary

> Stay Warm, Stay Stylish! ❄️🔥

## Quick Answers

- **What is this?** Mr. Heater MHVFBF20NGT 20,000 BTU Vent Free Blue Flame Natural Gas Heater & Supplemental Heat in Cold Rooms, Additions, Sun Rooms & Cabins - White by mr. heater
- **How much does it cost?** 2199 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/32443218-mr-heater-mhvfbf20ngt-20-000-btu-vent-free-blue-flame)

## 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:** Low oxygen shut-off system for peace of mind.
- • **Eco-Friendly Heating:** Fuel-efficient blue flame technology minimizes energy use.
- • **Flexible Installation:** Versatile setup options for any space.
- • **Cozy Up to 700 sq. ft.:** Transform any cold room into a warm retreat!
- • **Effortless Temperature Control:** Intuitive thermostat for seamless comfort.

## Overview

The Mr. Heater MHVFBF20NGT is a powerful 20,000 BTU natural gas heater designed for efficient heating in spaces up to 700 sq. ft. With its convection heating method, intuitive thermostat, and safety features, this vent-free heater is perfect for homes, sunrooms, and cabins. Its flexible installation options make it easy to set up wherever you need extra warmth.

## Description

Mr. Heater MHVFBF20NGT 20,000 BTU Vent Free Blue Flame Natural Gas Heater & Supplemental Heat in Cold Rooms, Additions, Sun Rooms & Cabins - White

## Features

- POWERFUL CONVECTION HEAT: This natural gas wall heater delivers up to 20,000 BTUs, using convection to transform cold rooms, additions, or other spaces into cozy retreats; ideal for areas up to 700 sq. ft. and effective at altitudes up to 4,500 feet
- EASY TEMPERATURE CONTROL: Adjust your indoor comfort easily with the intuitive thermostat on this indoor gas heater; it comes with a complimentary battery for dependable electric ignition, ensuring smooth, hassle-free operation
- FUEL-EFFICIENT BLUE FLAME HEATER: Delivers efficient warmth with a blue flame burner, consuming just .020 MCF per hour; it ensures consistent convection heat, offering even and energy-efficient warmth while minimizing energy usage
- SAFETY FEATURES: Featuring a low oxygen shut-off system (ODS); this ventless gas heater automatically shuts off if oxygen levels drop to unsafe levels; it ensures the heater does not consume too much oxygen
- FLEXIBLE & EASY SETUP: This natural gas indoor heater offers versatile installation options to suit your space; it includes sturdy feet for secure floor placement and wall-mount hardware; letting you easily set it up wherever you need extra warmth

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Heating Coverage | 500 sq ft |
| Heating Element | Radiant |
| Heat Output | 10000 British Thermal Units |
| Fuel Type | Natural Gas |
| Voltage | 120 Volts |
| Heating Method | Convection |
| Recommended Uses For Product | Home, Sun Room, Additions, Cabins |
| Mounting Type | Wall Mount |
| Room Type | Living Room, Bedroom |
| Additional Features | Adjustable Temperature |
| Form Factor | Cabinet |
| Power Source | gas_powered |
| Item Weight | 24.75 Pounds |
| Item Dimensions D x W x H | 23.75"D x 9.25"W x 25.25"H |
| Color | White and Black |

## Product Details

- **Brand:** Mr. Heater
- **Special Feature:** Adjustable Temperature
- **Color:** White and Black
- **Form Factor:** Cabinet
- **Indoor/Outdoor Usage:** Indoor

## Images

![Mr. Heater MHVFBF20NGT 20,000 BTU Vent Free Blue Flame Natural Gas Heater & Supplemental Heat in Cold Rooms, Additions, Sun Rooms & Cabins - White - Image 1](https://m.media-amazon.com/images/I/81qRY3jtz+L.jpg)
![Mr. Heater MHVFBF20NGT 20,000 BTU Vent Free Blue Flame Natural Gas Heater & Supplemental Heat in Cold Rooms, Additions, Sun Rooms & Cabins - White - Image 2](https://m.media-amazon.com/images/I/812KN-lDvuL.jpg)
![Mr. Heater MHVFBF20NGT 20,000 BTU Vent Free Blue Flame Natural Gas Heater & Supplemental Heat in Cold Rooms, Additions, Sun Rooms & Cabins - White - Image 3](https://m.media-amazon.com/images/I/81eGrtIdR9L.jpg)
![Mr. Heater MHVFBF20NGT 20,000 BTU Vent Free Blue Flame Natural Gas Heater & Supplemental Heat in Cold Rooms, Additions, Sun Rooms & Cabins - White - Image 4](https://m.media-amazon.com/images/I/81Pgbju7g6L.jpg)
![Mr. Heater MHVFBF20NGT 20,000 BTU Vent Free Blue Flame Natural Gas Heater & Supplemental Heat in Cold Rooms, Additions, Sun Rooms & Cabins - White - Image 5](https://m.media-amazon.com/images/I/81WSEXAAUBL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: does the unit emit a lot of heat from the back ?  I am concerned about mounting the unit on the vinyl siding inside the enclosed front porch**
A: The back of the unit is not the problem, it's fine.  It's the heat coming out the vents on the top front...we do have our heater mounted on our vinyl siding on the back porch. When the flames are on, the siding above the heater does get hot, not the sides or the back.  The first time we were  enjoying our "heated" porch after having the heater installed by a professional  I noticed the siding looked funny...felt it, yup, it was hot, hot to the touch...great, now what....the heater is installed....we solved the problem by using a fan.  We mounted a small fan off to the side above the heater facing the wall so it blows the "heated air" coming out of the vents away from the wall....not the correct way I'm sure but it took care of the problem  without having to take the heater out.  The heater is not on when no one is on the porch.  Had we known before installing the heater we would have taken steps to put up a fire barrier of some sorts that would work correctly from the start....or perhaps mounting it further away from the wall than ours is set, which is about  3/4 to inch away....the heat goes right up the wall....on our other porch we have a heater also but it is on legs and sit about 6-8 inches away from the wall and there is no problem with the wall heating up.  I hope this helps.

**Q: Can mr. heater provide me with an accurate ppm reading for this heater? accurate carbon monoxide meters: senorcon or pyle.**
A: No. I installed a separate CO monitor on the opposite wall about 15 feet away from the heater as instructions recommended. Readings have remained at zero.

**Q: I need a replacement for my bathroom  heater and need to know the size of this heater and can it be used to replace a vented one?**
A: 23.8 x 11.2 x 27 inches 
Yes, it could replace a vented one, although it doesn't require a vent according to the design.  But in all reality they do because they are oxygen hogs and small spaces are not optimal for it to breathe and you'd basically have to leave that existing vent open and even then it might rob the room of oxygen.  I wouldn't use in a bathroom, if vented worked I'd get the same thing.

**Q: Does the Natural Gas version of this product come with a gas line?**
A: No, you need to provide your own gas line. I recommend the yellow flexible gas lines which are readily available at big box stores.

## Frequently Bought Together

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-23*