Martin Direct Vent Propane Wall Heater MDV8P – 8,000 BTU | Off‑Grid Wall‑Mount Heating Solution

Regular price $1,04000
Shipping calculated at checkout.

Questions about this product

What room size will the MDV8N handle?

194 Square Feet

Do they need electricity and will they run during an outage?

No power required. They use a standing pilot with a piezo ignitor and a mechanical control, so they keep heating with the lights out.

What clearances and mounting height do I need?

Sides 6 in. Above 24 in. From finished floor 7 in to the bottom of the heater. Rear clearance: MDV8 is 25/32 in, MDV12/MDV20 are 1-3/16 in. Use the included wall template. Keep the exterior vent cap at least 24 in from any outside intersecting wall.

What comes in the vent kit and what wall thicknesses are supported?

Vent kit includes: external air-intake tube with enamel hood, internal flue-gas tube, indoor and outdoor mounting plates, plus a wall thimble on MDV12 and MDV20, with threaded rod and adjusting nut. Approved wall thickness is 4-1/2 in to 12-5/8 in. Thicker walls aren’t supported by the manual.

Can I convert propane to natural gas, and what about high-elevation derate?

These units are not convertible. Order the model for your gas type. Above 2,000 ft, reduce input by 4 percent per 1,000 ft.

Delivery and shipping

Orders are typically processed within 1 to 2 business days from the time of purchase, excluding holidays and weekends.

Shipping times and cost will vary depending on the product and your location.

On average:

Ontario and Quebec: 2 to 5 business days

Western Canada: 4 to 7 business days

Atlantic provinces: 4 to 8 business days

Northern or remote areas: Contact us to confirm

✔︎ Available for pickup at our showroom.
Canadian Off Grid — 4855 Union Road, Beamsville ON L3J 0T8

✔︎ Available to ship

Description


Stay warm even when the power’s out or non‑existent. The Martin MDV8P Propane Direct Vent Wall Heater delivers safe, clean, efficient heat in small cabins, workshops, garages or off‑grid homes — no electricity required. Featuring a built‑in thermostat and a sturdy, compact design, this 8,000 BTU wall‑mount unit blends practical performance with smart installation ease.


Its sleek build mounts neatly on the wall, while the direct vent system keeps indoor air clean by pulling combustion air from outside and exhausting out. Made with durable die‑cast aluminum and a high‑quality grill, it’s built to last and to keep your wall looking good.



Key Features
 • 8,000 BTU Heating Power – Ideal for spaces up to ~194 ft².  
 • No Power Needed – Perfect for off‑grid setups, emergency backup, or cabins.  
 • Direct Vent Safety – Outdoor air intake and exhaust ensures cleaner indoor air.  
 • Built‑In Thermostat – Automatic temperature regulation for consistent comfort.  
 • Heavy‑Duty Die‑Cast Construction – Durable and corrosion‑resistant for remote installations.  
 • Clean Wall Protection – Rear remains cool, preventing wall discoloration or damage. 
 • Simple Installation – Supports wall thickness from 4.5″ to ~12.63″.  
 • Low Maintenance – Efficient combustion with minimal upkeep.
 • Compact Dimensions – ~12″ (W) x 7⅛″ (D) x 22⅝″ (H) | Weight ~23.1 lbs (10.5 kg)  
 • Color – Sleek silver/black finish.
 • Warranty – 1‑Year Limited Manufacturer’s Warranty.
 • Certification – CSA/CGA certified for Canada & USA.  



Why Choose This Heater?


✔ Ideal for Off‑Grid Living – When mains power isn’t available or you want independence, this heater runs on propane alone.
✔ Compact Footprint – Wall‑mounted, freeing up floor space and making it ideal for small rooms, cabins or garages.
✔ Clean & Safe Operation – Direct vent means no indoor combustion air contamination, keeping your living space healthier and safer.
✔ Efficient & Reliable – Thermostat control ensures the unit delivers just the heat you need without waste.
✔ Smart Looks, Smart Heat – A durable build that doesn’t compromise aesthetics while delivering real comfort.



Lifestyle Use


Whether you’re heating a tiny off‑grid cottage in the woods, a remote workspace without reliable power, or just prepping for power‑outage scenarios, the Martin MDV8P delivers efficient, dependable warmth. Its compact size, built‑in thermostat and plug‑free operation make it a top choice for anyone who demands both utility and smart design in their heating solution.


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