From the camper porch · Wingo, Kentucky · Updated 2026-04-15
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Off-Grid Heat on a Budget: Complete Diesel Heater Install Sunster (TB10 Pro)

Published 2025-12-12 · 7,235 views · 28m 32s

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A complete walkthrough showing how to install a budget-friendly diesel heater safely in a tiny home, RV, or off-grid setup.

Summary

The video demonstrates a step-by-step installation of a Sunster TB10 Pro diesel heater in an off-grid or alternative dwelling. The speaker shows how to create a safe exhaust port using an existing wall opening, flame-retardant insulation, aluminum wrapping, and a galvanized steel sleeve. He explains power options including a 120V converter or direct 12V connection, and describes his choice to use 12V with a trickle charger for backup during power outages.

Topic

Off-Grid & Homesteading · also covers: RV & Van Living, Tiny Homes, Cost of Living

Tactics from this video

  • Use an existing wall opening for the exhaust port instead of drilling a new hole.

    Avoids creating additional penetrations in the structure.

    practical

  • Remove insulation around the exhaust hole and pack it with flame-retardant material, then wrap with aluminum and insert a galvanized steel sleeve.

    Creates a heat shield to protect the wall from high exhaust temperatures.

    safety

  • Double up the exhaust insulation sleeve by folding it over itself for the portion passing through the wall.

    Provides extra heat protection at the critical wall penetration point.

    safety

  • Place a quarter-inch ceramic tile beneath the heater unit.

    Adds an extra layer of protection between the unit and wood surfaces.

    safety

  • Use the 12V adapter cable and connect to a battery maintained by a small trickle charger.

    Keeps the heater operational during grid power outages.

    practical

  • Point the heat outlet downward toward the floor.

    Directs warm air where it is most useful in the living space.

    practical

  • Allow the unit to run for a couple of minutes at startup before turning it down to the desired level.

    Lets the heater settle into normal operating mode before adjusting.

    practical

Pain points addressed

  • I need affordable heat for my small or off-grid space.
  • I'm worried about safely venting a heater through a wall without starting a fire.
  • I want backup heat that still works when the power goes out.
  • I don't want the annoying ticking noise from cheaper diesel heaters.