Alternative Heating Overview - Where Do You Fit In?
Finding just the right alternative heating option requires balancing the size of your
home, lot size and availability of alternative fuels (including sunshine) against local
utility rates, local building codes, Federal and State tax incentives and how much
you're willing to spend.
I've tried to simplify this process by suggesting realistic options based on the size of
your home and how much land, if any, you have to work with.
Urban Alternative Heating
The most practical and inexpensive heating solution for apartments and condos is the
tried and true space heater.
Space Heaters
One example is the oil filled radiator. They're not the fastest way to heat a room, but
they're safe, silent, and don't kick up dust and allergens. Oil filled space heaters are
the only type allowed in college dorms. If quick heat is what you're looking for, buy a
space heater equipped with a fan. Most fan equipped space heaters are also child and
pet friendly.
Biomass Stoves or Fireplace Inserts
Many urban enclaves include thousands of ranch style homes. These one story,
800-1,200 square foot homes could be heated entirely with a wood, corn, or pellet
fireplace insert or stove.
An 800-1,200 sq. ft. home would require an appliance with a heat output in the
35,000-45,000 Btu range. This size appliance is standard across all makes, models and
fuel types. Naturally, you want to buy a stove or fireplace insert that burns the
cheapest, most readily available fuel in your area. The Federal energy tax credit on
biomass stoves is 30% of the cost up to $1,500.
Historically, corn, wood pellets and wood cost half as much to heat with as propane or
electricity and 30% less than heating oil.
Radiant Heat Panels
Ceiling mounted electric radiant heat panels provide the ultimate in zoned heating.
Zoned heating allows you to heat only the room(s) you're using. Individual rooms can
be retrofitted with radiant heat panels using existing wiring and, once installed, can
bring the room up to temperature in as little as four minutes.
Radiant ceiling heat panels cost around $1.50 per square foot of heated area, or
$1,800 for a 1,200 sq. ft. home. This is comparable to the price of a new pellet stove.
One major difference between these two heating methods is radiant heat panels don't
require lifting and storing 40 lb. bags of pellets.
Solar Hot Water
Solar domestic hot water systems are on the rise in urban areas. A small system with
the capacity to heat 35 gallons a day, (enough for 1-2 people) would cost around
$4,000.
The Federal tax credit for solar water heaters, which remains in effect until December
31, 2016, would reduce the final cost by $1,200. Additional energy tax credits and
rebates are also offered by individual states.
The solar hot water system in this example would save about 2,440 kWh per year in
electricity, or $366 annually @.15/kWh.
Solar Radiant Heating
Solar energy radiant heating systems are probably the most cost effective method of
harnessing solar energy. Not only is solar radiant a great alternative for heating your
domestic hot water, many homeowners are turning to solar energy to help heat their
homes as well.
Suburban Alternative Heating
All of the alternative heating suggestions mentioned above work equally well in larger
suburban homes. Although the typical 45,000 Btu pellet stove or fireplace insert isn't
large enough to efficiently heat a two story house, it will still do a great job heating
the main floor of your home where everyone spends the most time.
Indoor Pellet and Wood Furnaces
A larger version of the pellet/corn/wood stove is the indoor furnace. A 100,000 Btu unit
capable of heating a 3,000 sq. ft. home costs around $3,600. Many of these furnaces
give you the option to burn either corn or wood pellets.
Fuel cost savings of 30%-50% over heating oil and LP gas are also possible with
indoor pellet/wood furnaces. The only problem with this type of system is figuring out
the easiest way to get the fuel to the furnace, which in most cases means the
basement.
The new Federal Energy Tax schedule doesn't specifically mention indoor biomass
furnaces, but they probably qualify for the same tax credit as a biomass stove. Check
with the furnace dealer or your accountant to verify my educated guess.
Outdoor Pellet or Outdoor Wood Furnaces
If you take an indoor bio-fuel/wood furnace, move it outside, and enclose it in a
weather proof shed, you get an outdoor furnace. Although originally designed to heat
multiple buildings in rural areas, manufacturers of outdoor furnaces have recently
down-sized heat outputs to accommodate residential demand.
The new residential outdoor furnaces rated at 175,000 - 200,000 Btus will heat a
3,000 sq. ft. home, or a 2,000 sq. ft. house and detached garage or workshop. They're
also well suited for radiant hydronic (water based) baseboard, in-floor or under-floor
heat.
An investment of $10,000 should cover the cost of the furnace, fuel storage hopper
and installation. Once again, check with the furnace dealer and your accountant to find
out which Federal and State tax/loan/rebate incentives you qualify for.
Geothermal Heating and Cooling
A geothermal system uses a heat pump to move the heat from the earth (or a
groundwater source) into the home in the winter, and pulls the heat from the house
and discharges it into the ground in the summer. The underground (or underwater)
piping loops serve as a heat source in the winter and a heat sink in the summer.
Geothermal heat pumps are 300% efficient. In other words, for every $1 you spend on
electricity to run the heat pump, you get $3 worth of heating or cooling. For a 3,000
sq. ft. home, this would mean a heating/hot water/cooling bill of $100-$145 a month -
depending on how much you pay per kilowatt hour (kWh) for electricity.
The $20,000 price tag can be subsidized with a 30% Federal tax credit and additional
State sponsored incentives.
Rural Alternative Heating
With so much room to work with, you have the ability to mix and match any available
alternative heating/energy technologies to create a combined heat and power system
(CHP) .
A possible CHP for homeowners in the Corn Belt would be an outdoor corn furnace for
heat and hot water, coupled with a wind turbine for electricity.
If your property includes a pond and gets a reasonable amount of sunshine, you could
heat and cool your home with a closed loop geothermal system and provide power to
the heat pump with solar panels.
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