Martin Propane Direct Vent Heater MDV20VP – 20,000 BTU | Off‑Grid Wall‑Mount Heating Solution

For larger off-grid spaces, the Martin Propane Direct Vent Heater MDV20VP delivers twice the heating power with the same sleek design and no electricity required. Ideal for cabins, workshops, remote homes, or backup heat, this 20,000 BTU unit pairs performance with style.

Designed with a visible flame through its ceramic glass window, a built-in thermostat, and a durable die-cast aluminum body, this wall-mounted heater warms up to 538 ft² efficiently while maintaining clean, breathable indoor air through its direct vent system.

Key Features

 • 20,000 BTU Heating Power – Comfortably warms up to 538 ft²
 • No Power Needed – Operates independently of electricity for off-grid reliability
 • Direct Vent Safety – Clean, safe indoor air with external combustion and exhaust
 • Built-In Thermostat – Automatically adjusts flame height for consistent room temperature
 • Ceramic Glass Flame Window – Offers visual warmth and flame ambiance
 • Heavy-Duty Die-Cast Construction – Built to last in rugged environments
 • Clean Wall Protection – Rear of the unit remains cool to avoid wall discoloration
 • Simple Installation – Fits wall thicknesses from 4.5” to 12.63”
 • Low Maintenance – Minimal upkeep with efficient, clean combustion
 • Larger Footprint – 26” (W) x 8 1/4” (D) x 22 5/8” (H) | Weight: 47.4 lbs
 • Color – Sleek silver and black
 • Warranty – 1-Year Limited Manufacturer’s Warranty

Why Choose This Heater?

✔ Ideal for Off-Grid Living – Perfect for larger cabins, workshops, or off-grid homes that need more heat.
✔ Wall-Mounted Convenience – No bulky floor unit; just clean, efficient wall placement.
✔ Certified & Safe – CSA-certified for use in Canada and the US, with safety-focused direct venting.
✔ Built to Impress – Ceramic viewing window and elegant finish enhance the look of any room.
✔ Set It & Forget It – With its built-in thermostat, the MDV20VP adjusts automatically to your desired comfort level.

Lifestyle Use

Whether you’re heating a lakeside retreat or adding comfort to a workshop without power access, the Martin MDV20VP provides efficient, powerful heating with no compromise on style. Its large BTU output ensures comfort even in colder climates, while its modern design blends seamlessly into off-grid living spaces.