Call, Text or Chat Mon-Friday 10AM-5PM CST : 1-844-WILDOAK
Call, Text or Chat Mon-Friday 10AM-5PM CST : 1-844-WILDOAK
If you're on the hunt for a reliable heating solution that keeps your living and workspaces snug all year round, you've come to the right place. Our Martin Direct Vent Heaters are beloved by homeowners everywhere for their ability to deliver warm, adjustable heat that transforms any space into a cozy retreat.

Crafted by the trusted name Bismar, our range of Martin Direct Vent Propane and Natural Gas Wall Heaters are champions of safe, clean energy. They're not just kind to your wallet but gentle on the planet too, offering an economical and environmentally friendly way to stay warm. Plus, with their sleek designs, these heaters are a stylish addition to any room, blending seamlessly with your interior decor.
| martin | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| MDV8P | MDV8N | MDV12P | MDV12N | MDV12VP | MDV12VN | MDV20P | MDV20N | MDV20VP | MDV20VN | |
| Product number | 766008 | 766007 | 766013 | 766014 | 766012 | 766011 | 766021 | 766022 | 766020 | 766019 |
| Type of gas | Propane | Natural | Propane | Natural | Propane | Natural | Propane | Natural | Propane | Natural |
| UPC | 778047115871 | 778047116618 | 778047115895 | 778047116632 | 778047115888 | 778047116625 | 778047115918 | 778047116656 | 778047115901 | 778047116649 |
| Glass-ceramic | NO | NO | YES | NO | YES | |||||
| Thermostat | YES | YES | YES | YES | YES | |||||
| Power input | 8,000 Btu | 11,000 Btu | 11,000 Btu | 20,000 Btu | 20,000 Btu | |||||
| Heating capacity | 18 m2 (194 ft2) | 30 m2 (323 ft2) | 30 m2 (323 ft2) | 50 m2 (538 ft2) | 50 m2 (538 ft2) | |||||
| Height | 57.5 cm (22 5/8 in) | 57.5 cm (22 5/8 in) | 57.5 cm (22 5/8 in) | 57.5 cm (22 5/8 in) | 57.5 cm (22 5/8 in) | |||||
| Length | 30 cm (11 13/16 in) | 38 cm (15 in) | 38 cm (15 in) | 66 cm (26 in) | 66 cm (26 in) | |||||
| Depth | 18 cm (7 1/8 in) | 18 cm (7 1/8 in) | 18 cm (7 1/8 in) | 21 cm (8 1/4 in) | 21 cm (8 1/4 in) | |||||
| Weight | 10.5 kg (23.1 lb) | 11.5 kg (25.3 lb) | 11.5 kg (25.3 lb) | 21.5 kg (47.4 lb) | 21.5 kg (47.4 lb) | |||||
Your safety is our top priority. That's why our Martin Direct Vent Heaters are CSA Certified, adhering to the requisite safety standards of usage in the USA and Canada. The safety features include:

This isn't your average heater. This powerful machine operates flawlessly, delivering performance that customers appreciate. Imagine a heater that is as straightforward to use as turning a dial, yet packed with advanced features such as:

Customers praise its ease of setup, which is helped by their handy installation template included with your unit.
Designed to be installed on an exterior wall and vent directly outside, the MDV20VP direct vent wall heater is compatible with wall thicknesses ranging from 4.5” to 12-5/8”. Proper installation is a must for optimal performance. So, whether you’re a DIY enthusiast or prefer professional installation, the process is straightforward and efficient.

The Martin Direct Vent Heater is renowned for its durability. Its robustness is reinforced by the heavy-duty grill, made from resilient die-cast aluminum.
This die-cast aluminum heavy-duty grill doesn’t just add to the unit’s toughness; it also enables better heat flow and keeps the unit’s back at room temperature, ensuring the wall behind remains clean. This design contributes to the heater’s low maintenance needs.

But it’s not just about maintaining a comfortable temperature. This heater also prioritizes tranquility in your living space. Thanks to a heavy-duty heat exchanger made from die-cast aluminum, the heater absorbs sound. It also features a blower fan with variable speeds, and operates quietly, particularly at lower settings, thus reducing noise pollution and contributing to a tranquil environment.

Regular maintenance is a good idea. Perform a check at least once a year, ideally before the heating season, and consider an additional check mid-winter.
Inspect the interior pipes, vents, and the rear unit openings for obstructions or residues and clean if necessary. Examine the pilot and main burner through the heat exchanger front glass for dirt or debris, and clean the inside with a vacuum or compressed air. Reassemble any disassembled parts after maintenance, referring to the installation guide if necessary for proper assembly.
With diligent care, a Martin propane heater can exceed its typical lifespan of 15 to 20 years.

Yes, customers find the Martin Propane Heater easy to install because it comes with all the necessary hardware, accessories and even a handy wall template.
The built-in thermostat adjusts the flame to maintain a consistent room temperature, improving safety and preventing gas waste in the heater.
The Martin Propane Heater has built-in safety features such as a safety pilot with a pressure regulator, a tip-over safety switch, and a direct vent design to expel harmful chemicals outside the living area.
The Martin Propane Heater excels in efficient heat dispersion, longevity, low maintenance, and safety features compared to other direct vent heaters.
Perform routine maintenance at least once a year. Inspect and clean interior pipes, vents, and rear unit openings annually.
Get it first. Sign up now for up-to-the-minute offers, sales and news.