--- product_id: 172431522 title: "Dyna-Glo BF20NMDG-4 30,000 BTU Natural Gas Blue Flame Vent Free Wall Heater" brand: "dyna-glo" price: "VT194394" currency: VUV in_stock: true reviews_count: 10 url: https://www.desertcart.vu/products/172431522-dyna-glo-bf20nmdg-4-30-000-btu-natural-gas-blue store_origin: VU region: Vanuatu --- # No electricity needed for operation 30,000 BTU max heat output Manual variable heat control knob Dyna-Glo BF20NMDG-4 30,000 BTU Natural Gas Blue Flame Vent Free Wall Heater **Brand:** dyna-glo **Price:** VT194394 **Availability:** ✅ In Stock ## Summary > 🔥 Stay warm, stay ahead—heat your space like a pro! ## Quick Answers - **What is this?** Dyna-Glo BF20NMDG-4 30,000 BTU Natural Gas Blue Flame Vent Free Wall Heater by dyna-glo - **How much does it cost?** VT194394 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/172431522-dyna-glo-bf20nmdg-4-30-000-btu-natural-gas-blue) ## Best For - dyna-glo enthusiasts ## Why This Product - Trusted dyna-glo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safe & Smart Design:** Built-in oxygen depletion sensor ensures worry-free indoor use - • **Custom Comfort Control:** Variable heat settings let you dial in your perfect warmth - • **Reliable Off-Grid Heating:** Operates without electricity—ideal for power outages and emergencies - • **Sleek Wall-Mount Convenience:** Space-saving installation with included hardware for a modern look - • **Powerful Heat for Cozy Spaces:** Up to 20,000 BTU warms rooms up to 700 sq. ft. effortlessly ## Overview The Dyna-Glo BF20NMDG-4 is a vent-free, natural gas-powered wall heater delivering up to 20,000 BTU of efficient blue flame heat. Designed for indoor use, it warms spaces up to 700 sq. ft. with customizable manual controls and requires no electricity, making it a dependable solution for everyday comfort and emergency backup heating. Safety is prioritized with an oxygen depletion sensor, and installation is streamlined with included mounting hardware. ## Description Dyna-Glo wall heaters are the ideal choice for safe, indoor supplemental heating. This state-of-the-art vent free technology does not require a flue or chimney. These heaters are great for use in your home, cabin, or garage. Since these heaters do not require electricity to operate, they make an excellent choice for everyday heating, and emergency situations when the power goes out. Using blue flame heating technology, heat is distributed similar to your central home heating system. This Blue Flame Wall Heater burns with 99. 9% efficiency, and operates on Natural Gas only. Not for sale in California or Canada. Check your local regulations on installation restrictions and requirements. DEPENDABLE - Ideal for daily supplemental or emergency use, such as power outages ECONOMICAL - Cut heating bills by warming only occupied areas COMFORT – Manually adjust the heat setting to your desired temperature SAFE - Built-in oxygen depletion sensor (ODS) immediately shuts down the heater if carbon monoxide or lack of oxygen is detected CONVENIENT – One continuous press of the battery assisted igniter makes ignition quick & effortless VERSATILE - Includes all necessary hardware & bracket for wall mounting UPGRADEABLE - Separately sold optional base legs (WBL100) provide the alternative of floor mounting. Separately sold optional Wall Heater Fan (WHF100) distributes heat in a quiet, yet powerful way. Review: Effective and efficient - Simple installation. Warms a 900 sq/ft cabin in no time. Review: Worth buying - Heats our three car garage in nothing flat! ## Features - Natural Gas Ready (Fuel conversion not permitted) - Blue Flame Technology works by converting heat to warm the air the same way as a central heating system - 10, 000-20, 000 BTU's/hr variable heat output for up to 700 sq. ft. - Variable control knob offers the most customizable heat settings LOW - 10, 000 BTU MED - 15, 000 BTU HI - 20, 000 BTU - No electricity required allows for reliable back-up heating incase of an emergency situation - This model (BF20NMDG) has manual control and not thermostatically controlled. For thermostat control model please refer model - BFSS20NGT-2N ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07YBRJSJP | | Best Sellers Rank | #1,491,575 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #20 in Indoor Natural Gas Space Heaters | | Brand Name | Dyna-Glo | | Color | White | | Customer Reviews | 4.5 4.5 out of 5 stars (274) | | Form Factor | Wall-mounted | | Fuel Type | Natural Gas | | Global Trade Identification Number | 00872076037774 | | Heat Output | 20000 British Thermal Units | | Heating Coverage | 700 square feet | | Heating Element | Radiant | | Heating Method | Convection, Forced Air | | Indoor Outdoor Usage | Indoor | | Item Dimensions D x W x H | 24.02"D x 10.08"W x 24.02"H | | Item Type Name | vent free wall heater | | Item Weight | 20.21 Pounds | | Manufacturer | GHP Group, Inc. | | Max Temperature Setting | 60 Degrees Celsius | | Model Number | BF20NMDG-4 | | Mounting Type | Wall Mount | | Number of Speeds | 1 | | Part Number | BF20NMDG-4 | | Power Source | Gas Powered | | Room Type | Bedroom, Home Office, Study Room | | Special Features | Manual Thermostat, Noiseless | | UPC | 872076037774 | ## Product Details - **Brand:** Dyna-Glo - **Color:** White - **Form Factor:** Wall-mounted - **Indoor/Outdoor Usage:** Indoor - **Special Feature:** Manual Thermostat, Noiseless ## Images ![Dyna-Glo BF20NMDG-4 30,000 BTU Natural Gas Blue Flame Vent Free Wall Heater - Image 1](https://m.media-amazon.com/images/I/71F9iRMEIKL.jpg) ![Dyna-Glo BF20NMDG-4 30,000 BTU Natural Gas Blue Flame Vent Free Wall Heater - Image 2](https://m.media-amazon.com/images/I/71Va3JTV9EL.jpg) ![Dyna-Glo BF20NMDG-4 30,000 BTU Natural Gas Blue Flame Vent Free Wall Heater - Image 3](https://m.media-amazon.com/images/I/71Bla-NfACL.jpg) ![Dyna-Glo BF20NMDG-4 30,000 BTU Natural Gas Blue Flame Vent Free Wall Heater - Image 4](https://m.media-amazon.com/images/I/61KEZphBY6L.jpg) ![Dyna-Glo BF20NMDG-4 30,000 BTU Natural Gas Blue Flame Vent Free Wall Heater - Image 5](https://m.media-amazon.com/images/I/71vx+WfEmjL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Effective and efficient *by P***N on October 23, 2025* Simple installation. Warms a 900 sq/ft cabin in no time. ### ⭐⭐⭐⭐⭐ Worth buying *by A***R on February 1, 2026* Heats our three car garage in nothing flat! ### ⭐⭐⭐⭐⭐ Good heater works well *by J***Y on December 3, 2023* Good heater easy to install put that on lots of heat for the money. ## Frequently Bought Together - Dyna-Glo 20,000 BTU Natural Gas Blue Flame Vent Free Wall Heater, White - Mr. Heater F271239 One-Stop Universal Gas-Appliance Hook-Up Kit,Small - Dyna-Glo Vent-Free Wall Heat Fan --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/172431522-dyna-glo-bf20nmdg-4-30-000-btu-natural-gas-blue](https://www.desertcart.vu/products/172431522-dyna-glo-bf20nmdg-4-30-000-btu-natural-gas-blue) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-05*