How much heating and cooling is necessary for an average home ??
How to calculate in HVAC markets:
How much heating and cooling is necessary for an average home in the marketplace?
At $50 per thermostat, and allowing a 40 percent efficient HVAC system, the cost per year for heating the same home will be $5,720. With just the electric service at $20, plus gas at $20, and the monthly utility bill at $60, a total yearly electricity bill of $160. And that is for heating only!
Of course, that is a very simplified calculation. For many homes the amount of electricity used for heating will be less than the cost of the gas used for heating (although there is no energy efficiency applied to the gas energy consumption). However, as electric usage increases the heating cost per home will increase rapidly, leaving us with a formula for energy efficiency: HVAC = electricity + (gas cost/yr) X . [1.974 X 2.224] = $160. (Note: this assumes average energy use, but it doesn't need to be that accurate to work)
This calculation assumes that the home owner is using the same method for heating that he used to purchase his home. If he heats less heat than he purchases, this is likely a situation of cheap oil. In that case, we would assume a budget of $30 per thermostat, the same budget that he used to buy his home. This means that he is spending $120 per year for heating.
If we apply this heating budget of $120 to a cost of $5 per thermostat, it takes a very small heating bill to be the deciding factor in his purchasing choice. In his specific case he must consider how many years he is planning to live in the home, how much he is planning to spend on that home, and how much the utility bill is per month. If the home will be used for only 20 years or so, and the utility bill per month is less than the heating cost per year, he may decide to go for a smaller efficiency rating.
Many homes have annual heating and cooling costs of $3,000 and higher, so these calculations will not be true of all homeowners. But they should be used to provide a range of typical expenditures for heating in a home. The bulk of these yearly costs can be dealt with by turning the thermostat down to an appropriate level, buying a more efficient air conditioner or a more efficient furnace, or converting to a geothermal heat pump.
Energy efficiency is becoming increasingly important, not only for safety and to help the environment, but also for economics. One recent survey shows that 80 percent of all homes are ready to install at least one energy efficient appliance.
For home improvement, a money-back guarantee for energy-efficient appliances is the best guarantee on the market.
Here are some examples of simple and inexpensive improvements that can easily be made in order to save energy and money. It is the person who doesn't see the need for these improvements that is likely to be in the cold and helpless when he or she has to spend $1000 on a new furnace or some other efficiency upgrade.
Heating & Cooling
To make the best use of the natural gas heating systems in a home, the heat source, the thermostat, and the air handler must all be of the same design. Older furnaces often had numerous options for controlling the heating, which all resulted in a bewildering set of parameters that make no sense and are not easy to program. But new, energy-efficient furnaces have been designed that allow for control of the heating in the same way that we program a computer.
For example, there are two temperature controls, one for the home and one for the outside. By adjusting these settings to account for the ambient temperature in the room, you can allow the heating system to run more efficiently. Remember to add any windows or air conditioning to the program.
Air conditioning units should be programmed to run between the hours of 5:00 AM and 10:00 PM. During this period, during the night, the house is cooler, allowing the unit to work much more efficiently.
HVAC equipment should also have thermostat limits so that the operator can turn it off when no one is home. This is especially important in homes with young children or senior citizens.
A thermostat that allows for automatic temperature changes is much more energy-efficient. Some thermostats can also be set to stop cooling and heating if the home is empty for more than one hour. A computer system can be used to set these schedules.
How much heating and cooling is necessary for an average home in the marketplace? If you answered more than you feel comfortable with, or enough to make you consider the option of an attic or basement as a cooling/heating option, think again.
The U.S. Energy Information Administration forecasts that the average cost of heating and cooling a new one- to two-family home purchased in the third quarter of 2010 was just $1,309. Just enough to buy a solar thermal hot water system that runs on grid power or the well-known LED lights made with cheap silicon chips and a plastic casing.
Your home's energy use really depends on the time of year, the home, and the neighborhood, though, and it might pay to buy a space-heating option and a cooling option for the peak summer months.
If you're moving into a new home in the dead of winter, the advice on your package from your ISP might be to shut the heat off until spring, and then turn it back on when you know the snow is gone.
In the winter, no matter what, there are few options for saving on heating and cooling costs. As a matter of fact, in the midwest, it's not uncommon to turn on the fire in your fireplace to cut the chill in your house.
Many of the units that put out heat are small and crank heat up and down, so turning it off saves energy. But just because you're saving on heating costs doesn't mean you're saving on heating bills.
"I often hear from people who say, 'Oh, I saved a hundred dollars,' and so they get a fire and get nice and toasty, and then they get home and they realize they've got to pay an electric bill," says Kit Bohnhoff, Consumer Reports home editor.
Bohnhoff says it's better to just stay away from the heat at all times. So if you can afford a hot water tank heater or an air conditioner and you think you might not want to turn it on until the end of the winter, now is the time to go out and buy that "cool" air conditioning unit.
And if you do, remember to turn it off at night and on weekends.
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