Understanding Fuel Sources for Patio Heaters and Outdoor Fireplaces
If you're just beginning your research into purchasing a patio heater or
outdoor fireplace, think about the best fuel source for your needs. Efficiency,
cost to operate, and safety are a few of the factors to consider.
Natural gas, propane, solid fuel, and electricity are the most common fuel
sources for outdoor heating.
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Natural gas: the cleanest burning of all the fossil fuels and considered to
be quite safe. It will only burn if it is in concentration of 4 to 15%
per volume of air and can only ignite at a very high temperature (1100 degrees
Fahrenheit), which makes accidental ignition or combustion unlikely. It is ideal for permanent
installations of outdoor heating and grilling appliances because natural gas
lines must be run by a certified gas fitter.
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Propane: an odorless gas that is intentionally given the smell of rotten eggs
to alert you when propane is present. Unlike natural gas, propane is heavier
than air so it collects at the bottom of storage containers if leaked. It can
also ignite easily if near a heat source. It is convenient because it is readily
available as a bottled fuel that can be
attached to a patio heater or fireplace and moved around easily.
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Solid fuel (wood, charcoal, briquettes, pressed logs): these are the
traditional fuels for campfires, fire pits and fireplaces. While the heat from
these sources is quite often the best, safety can be a concern especially if the
household has small children. Obviously, solid fuel fires can not be turned on
and off with the flick of a switch.
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Infrared (electromagnetic wave
energy): another safe way of heating outdoor spaces. Electricity running
through coils generates radiant energy that transfers to heat.
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