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Gas air conditioning systems are usually more expensive to buy and install than electric air conditioning systems but have lower operating costs. Determining whether a gas system is more cost-effective than an electrical system requires a life cycle cost analysis specific to a given project and site


The Family Handyman recommends that owners check their thermostat before assuming the problem causing the furnace to blow cold air is something deeper. There are several things to check at the thermostat. The switch needs to be on heat and not cool. If the fan is set to automatic it blows air, regar


Air conditioning systems should be serviced at least once a year. Furnaces need to be serviced every one to five years, depending on the type of furnace. Experts recommend having air conditioning systems inspected in the spring.


As of 2015, prices for top-rated furnaces typically range between $950 and $1500 for the furnace itself, according to Furnace Compare. This does not include the cost of installation, which can substantially increase the overall cost of a furnace purchase.


The cost of an electric furnace is normally less expensive than a gas furnace and an electric furnace is typically cheaper to install. The cost of operating a electric furnace is typically more expensive than a gas furnace.


Running the air conditioner in a vehicle in hot weather reduces fuel economy and wastes gas, according to the U.S. Department of Energy. It estimates that running an air conditioner can reduce a vehicle's fuel economy by more than 25 percent.


In the short term, purchasing an electric furnace is cheaper than purchasing a gas furnace. In the long term, gas furnaces are cheaper to operate than electric, according to Bryant Air.


It is possible to convert a house's heating system from using an oil furnace to a gas furnace by purchasing the new equipment. As of 2015, a typical gas furnace is generally cheaper when compared to an oil furnace, with prices being over 50 percent lower.


As of 2015, natural gas is cheaper than heating oil, which leads to lower operating costs. The volatility of the oil market and projected stability of the natural gas market makes gas the most popular fuel for new furnaces.


Gas is refilled into an air conditioner by using a compatible refrigerant that is added into the unit’s compressor lines. The air conditioner is set at its highest level while taking in the Freon gas. The Freon kit’s service and tap valve must be connected to the unit’s compressor lines.