Furnace

 

 

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Most U.S. homes are heated by furnaces which affect up to two-thirds of your annual energy bill. Furnaces heat air and distribute the heated air through your home’s duct system.  Great Works Heating & Air Company offers you the best selection of quality, dependable and efficient furnaces, each backed by an industry-leading warranty.

A properly-sized furnace should provide only the amount of heat you need for your home, regardless of the temperature outdoors. They should not constantly run, or provide too much or too little heat for your family’s comfort.

Generally, most furnaces on the market are between 80-97% efficient. What does this mean? If a furnace is considered to be 97% efficient, 97% of the heat that is produced by the furnace travels through the ductwork and into your home. 3% is wasted outside. So the lower the efficiency number, the lesser amount of energy that is produced by the furnace is actually converted into heat for your home.

What does this mean to you as a homeowner? It’s simple: due to wear and tear, and improved energy and HVAC standards, some older furnace models that are many years old may only be operating at 50 or 60% efficiency. Installing a new, more efficient model will significantly reduce your energy costs from month to month.

The second factor to think about when considering a new furnace is the size of furnace you need. You’ll need to look at such things as the design of your floor plan, the existing ductwork, your current insulation, the temperature you want to maintain in your home, and other factors such as door and window location.

Let the experts at Great Works Heating & Air Company advise you on the best furnace for your home. There are multiple HVAC industry and government energy standards that you must abide by, and you certainly don’t want to buy the wrong size or model of furnace. This could result in higher monthly bills and possibly wasted money, if you end up purchasing a larger unit.

A central furnace efficiency is measured by annual fuel utilization efficiency (AFUE). The Federal Trade Commission requires new furnaces to display their AFUE, so consumers can compare heating efficiencies of various models.  AFUE represents the equipment’s performance over an entire year’s heating season. It is intended to represent the effective annual operating efficiency of a furnace under dynamic conditions. It includes performance during start-up, steady-state, and cool-down operations. The AFUE is calculated from performance parameters that are measured under laboratory conditions using the DOE test procedure. These include a set of temperatures, the energy consumption, and a few other performance parameters. AFUE does not account for the electricity consumption of the appliance and therefore does not include the circulating air and combustion fan power consumption.

Specifically, AFUE is the ratio of heat output of the furnace compared to the total energy consumed by a furnace. An AFUE of 90% means that 90% of the energy in the fuel becomes heat for the home and the other 10% escapes up the chimney and elsewhere. AFUE doesn’t include the heat losses of the duct system or piping, which can be as much as 35% of the energy for output of the furnace when ducts are located in the attic.

A furnace BTU is a unit of measurement that calculates the amount of heat energy, or thermal energy, that a furnace can deliver. BTU is short for British thermal unit, and it is used throughout North America as a way to measure energy and heat value. The furnace BTU number measures the capacity of a furnace to deliver heat output, and a larger output number represents a larger furnace. When measuring a furnace BTU, manufacturers list the numbers in tens of thousands or hundreds of thousands, and 80,000, 100,000, and 120,000 BTUs are common measurements.

To ensure your home maintains your desired comfort, call 770-217-0783 and let our experts provide the solutions you need.