There are many BOV’s to choose from, the most common are converted Utility/Work Vans, Pick-up trucks and RV’s, either a trailer or motorhomes. One of the biggest issues with all of then is having a safe way to heat the interior. In a cold climate it becomes a serious issue, nothing I can think of is worse than being wet and chilled to the bone all day and all night.
The commonly used propane catalytic heaters have several issues, one being the humidity they create while burning propane is so bad the walls of your BOV are wet sometimes to the point of dripping, that dampness is also in your clothes, blankets and mattress. Another is you must have a window partially open to let oxygen in the BOV, kind of defeats the purpose of the heater. Still, another is they are either on-or-off so trying to maintain a comfortable temperature is not possible by their design.
I recently came across a Hot Air Heater that resolves all the issues. It is propane fired, has a thermostat you can set to your temperature liking, is relatively inexpensive and uses very little propane and 12-volt electricity. It uses outside air for combustion and exhaust making it very safe and efficient.
This heater is called “Propex HS2000”. Cost about $500.
Manufacturers Link:
A user demo video link:
Specifications:
Average propane consumption = 5 ounces per hour
Heat Output = 6,483 BTU’s (equivilent to a 1,900 watt electric heater)
Voltage = 12 volts
Current Consumption = 1.9 amps continuous running and .04 amps standby
Air Throughput = 60 CFM
Fuel = Propane
An 8.6-pound cylinder of continuous use = 27.5 hours of heat
A 29-pound cylinder of continuous use = 91 hours of heat
These are continuous running amounts. Once the inside temperature is reached and the furnace is cycling about 50% of the time to maintain the space temperature the propane and 12-volt current should be reduced by about 50%.
These are continuous running amounts. Once the inside temperature is reached and the furnace is cycling about 50% of the time to maintain the space temperature the propane and 12-volt current should be reduced by about 50%.


