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Below are some terms you will encounter whereas researching energy related product, heating and efficiency:

AFUE (annual fuel utilization potency): an efficiency rating that measures the efficiency with that gas and alternative fossil-fuel-burning appliance use their primary fuel supply over a complete heating season. It will not take into account the efficiency with which any component of the system, like a furnace fan motor, uses electricity. AFUE is expressed as a share that indicates the average range of Btu price of heating comfort provided by each Btu worth of fuel consumed by the system. For instance, a gas furnace with an AFUE of 80% would offer 0.eight Btu of warmth for each Btu of natural gas it burned.

Air infiltration: the introduction, sometimes unintentional, of unconditioned out of doors air into a mechanically heated and/or cooled building. Air infiltration can occur through any opening in the house’s structure, together with seams where walls meet different walls, window or door frames, or chimneys; holes where wires or pipes penetrate walls, floors or ceilings/roofs; and between the loose-fitting meeting rails of double-hung windows or a door bottom and door threshold. It is one in all the foremost causes of unwanted heat gain and loss, and private discomfort in buildings.

Alternating Current (AC) – An electric current that reverses its direction at regular intervals or cycles; In the U.S. the quality is one hundred twenty reversals or 60 cycles per second; usually abbreviated as AC

Amp – short for “ampere” – this measures the quantity of electricity moving through a wire. Most household appliances use fifteen or 20 amps of power. Amps are what offer electricity its “shock.”

Biomass Fuel: Any organic (plant or animal) material that is offered on a renewable basis, including agricultural crops and agricultural wastes and residues, wood and wood wastes and residues, animal wastes, municipal wastes, and aquatic plants

BTU (British thermal unit): a measurement of the energy in heat. It takes one Btu of warmth to warm one pound of water by one° Fahrenheit. Btu can be used either to outline an air conditioner’s cooling capability (i.e., the quantity of Btu of warmth that may be removed by the system) or a furnace’s heating capability (i.e., the amount of Btu of warmth that may be equipped by the system).

Chemical Energy – Energy stored in a substance and released throughout a chemical reaction like burning wood, coal, or oil.

Combustion – Chemical oxidation in the midst of the generation of sunshine and heat.

Conduction is that the transfer of heat through solid objects like glass, dry wall, brick and other building materials. The greater the distinction between the outdoor and indoor temperatures, the faster conduction will occur, increasing a building’s energy gain or loss.

Convection is the transfer of warmth to or from a solid surface via a gas or liquid current. Where home heat loss and gain are concerned, heat convection is caused by air (gas) currents that carry heat from your body, furniture, interior walls and different warm objects to windows, floors, ceilings, exterior walls and different cool surfaces.

Conversion- A range that interprets units of 1 measurement system into corresponding values of another measurement system.

Wire of Firewood: a tightly stacked pile of wood logs measuring four’ x 4′ x 8′ (128 cubic feet).

Daylighting is that the technique of using natural light-weight from windows, skylights and different openings to supplement or replace a building’s artificial lighting system. When applied properly, daylighting can cut back lighting costs. When applied improperly, however, it will not only result in inappropriate lightweight levels but can conjointly raise the building’s cooling costs by introducing high levels of solar heat into the interior of the building. Also see SOLAR GAIN to see how sunlight can affect heating costs.

Direct Current – An electric current that flows in solely one direction through a circuit, as from a battery.
Potency is that the degree to that a certain action or level of work can be effectively produced for the smallest amount expenditure of effort or fuel. BTU of energy consumed (input) x potency = BTU output.

Energy: The ability to try to to work or the ability to maneuver an object. Electrical energy is typically measured in
kilowatthours (kWh), whereas heat energy is usually measured in British thermal units (Btu).

Energy Potency – Refers to activities that are aimed toward reducing the energy utilized by substituting technically a lot of advanced equipment, typically without affecting the services provided. Examples embrace high-potency appliances, efficient lighting programs, high-potency heating, ventilating and air con (HVAC) systems or management modifications, efficient building design, advanced electric motor drives, and warmth recovery systems.

Emission- A discharge or something that is given off; usually employed in regard to discharges into the air. Or, releases of gases to the atmosphere from some sort of human activity (cooking, driving a automobile, etc). In the context of global climate amendment, they carries with it greenhouse gases (e.g., the discharge of carbon dioxide throughout fuel combustion).

Heat Content – The gross heat content is the quantity of British thermal units (Btu) made by the combustion, of a volume of gas below certain with air of the same temperature and pressure as the gas, when the product of combustion are cooled to the initial temperature of gas and air and when the water fashioned by combustion is condensed to the liquid state.

Kilowatt-hour (kWh): a thousand watts used for one hour – or any combination of energy multiplied by time that’s cherish that rate of electrical consumption, like one watt used for 1000 hours, 10 watts used for one hundred hours, or fifty watts used for twenty hours. As an example, a a hundred-watt light-weight bulb left on for 5 hours every day would consume one kWh each 2 days. Kilowatt-hour is the first measure on that U.S. electric firms base most customer billing.

Load Estimate is series of studies performed to see the heating or cooling needs of your home. An energy load analysis uses data such as the square footage of your home, window and door areas, insulation quality and local climate to determine the heating and cooling capability needed by your furnace, heat pump or air conditioner.

Mercaptan – An organic chemical compound that includes a sulfur like odor that’s added to natural gas before distribution to the buyer, to give it a distinct, unpleasant odor (smells like rotten eggs). This serves as a safety device by allowing it to be detected within the atmosphere, in cases where leaks occur.

Methane -A colorless, flammable, odorless hydrocarbon gas (CH4) that is the major part of natural gas. It’s conjointly an vital source of hydrogen in various industrial processes. Methane could be a greenhouse gas.

Operating Cost is the day-to-day price of operating an appliance, based on energy use.

Payback period is the quantity of time it takes to realize a full return on an investment. For instance, if a high-potency direct vent gas fireplace prices $1000 more than a purely decorative fire but would save $500 a year in gas usage, the payback period is 2 years.

Propane (C3H8) – A normally gaseous straight-chain hydrocarbon. It is a colorless paraffinic gas that boils at a temperature of -43.67 degrees Fahrenheit. It’s extracted from natural gas or refinery gas streams.

Radiation could be a technique of warmth transfer in which heat is transmitted from surface to surface via infrared waves. Radiant heat warms the surfaces it touches while not increasing the temperature of the air through that it travels. All heat bodies radiate infrared energy.

R-price is a measurement of a cloth’s ability to resist heat transfer. Insulation products are rated in keeping with the R-value. The upper its R-price, the larger the merchandise’s ability to resist heat flow will be.

Solar Gain is the warmth that builds up inside a structure as a result of sunlight that enters through transparent or translucent surfaces, like windows, and is converted to heat when putting other surfaces inside the building.

House Heating – The employment of energy to come up with heat for warmth in housing units using house-heating equipment. The equipment might be either the primary or secondary source of heating.

Thermal Energy – The total potential and kinetic energy associated with the random motions of the molecules of a material.

Thermostat – A device that adjusts the number of heating and cooling created and/or distributed by automatically responding to the temperature in the environment.
Watt: a unit of electric power. The number of power needed by electric appliances is expressed in watts. Watt-hour is a unit of electric energy, equal to 1 watt used over a period of 1 hour.

Volt (V) – The volt is that the International System of Units (SI) live of electrical potential or electromotive force. A possible of 1 volt seems across a resistance of one ohm when a current of 1 ampere flows through that resistance. Reduced to SI base units, 1 V = one kg times m2 times s-3 times A-1 (kilogram meter squared per second cubed per ampere).

Voltage – The difference in electrical potential between any two conductors or between a conductor and ground. It’s a measure of the electric energy per electron that electrons will acquire and/or offer up as they move between the two conductors. This is often how electricity gets from the power plant to your house: high-voltage transmission lines carry the electricity beneath greater pressure to carry it long distances, whereas lower-voltage power lines serve individual homes and businesses.

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