Because of these concerns, the governments of Canada and the United States, along with representatives of other countries, have signed an agreement to phaseout the production and use of HCFC. The phaseout timetable, which actually began over 10 years ago, takes place in stages, with a critical milestone coming at the beginning of 2010. After January 1, 2010, manufacturers can…
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Heat pumps are the most efficient form of electric heating in moderate climates, providing up to three times more heat than the energy they use. Today s heat pump can reduce your electricity use for heating by approximately 50% compared to electric resistance heating such as furnaces and baseboard heaters. A heat pump does double duty as a central air conditioner by collecting…
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Whether you are planning to install, or have made your mind up to install, either a ground or air source heat pump there are still a fair number of integration points to consider, and of course there are often numerous other build related concerns too. But have you ever stopped to fully consider what is powering this fancy low carbon technology. Well some will roll their eyes…
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Technically, a heat pump is a mechanical-compression cycle refrigeration system that can be reversed to either heat or cool a controlled space. Installation for this type of system typically consists of two parts: an indoor unit called an air handler and an outdoor unit similar to a central air conditioner, but referred to as a heat pump. A compressor circulates refrigerant…
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Heating and cooling a house used to be separate jobs, but the heat pump, a device that does both, often at much lower cost, is gaining popularity. Nearly one in three new American houses uses a heat pump, according to a recent Government estimate; in some parts of the country heat pumps are nearly universal in new houses. A heat pump is nothing more than a glorified air-conditioner,said…
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Florida Heat Pump (FHP) has a rich history in the HVAC industry that dates back to the 1970s when it was founded in Pompano Beach, Florida. For more than 4 decades now, it has been at the forefront in the production of geothermal and water source heat pumps in the United States. The technology that FHP incorporates in its products is highly innovative and one of the most energy…
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An electric heat pump is the most comfortable and efficient way to heat and cool your home. In hot weather it keeps you pleasantly cool, and in cold weather it circulates warm air evenly throughout every room. HEAT PUMP PROGRAM BENEFITS Buying a new heating and cooling system can be confusing. That s why your local public power company and TVA created the EnergyRight Solutions…
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Most residential heat pumps are of the air-source type whereby heat is transferred from the outdoor air to a refrigerant in the outdoor section and then transferred from the refrigerant to the indoor air in the air handler (fan/coil). When the outdoor air temperature decreases the COP and heating capacity of the heat pump decrease while the heat loss from the heated structure…
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By Joe Rotella’s bill for heating and cooling his 2, 597-square-foot ranch-style home in Upper Arlington used to top $600 a month, every month. “I’d get that guilt letter from the utility company twice a year comparing my usage to my neighbors’, ” he said, “and mine was always off the charts” — even though his house is smaller than his neighbors’. “I couldn’t figure out why…
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ACWholesalers is your one-stop for home comfort products, Heating, Ventilation, Air Conditioning and other home comfort products. We carry thousands of products from a huge variety of the top prescreened brands in the industry. At ACWholesalers, we hand pick every item in our inventory. We only work with the most reputable, trusted manufacturers of Ductless Heating, Air Conditioning…
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Currently have a water source heat pump with Trane logo on it. not sure if it was manufactured by them or not. initially it was noisy. had something put on compressor to muffle the noise. drain pan is not tilted ..so it at times gets clogged etc. 1.5 ton unit. approx 10 years old. . would like something better that is quieter and with no mold/musty smell. and not spend way…
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Resources: Oak Ridge national Laboratory The population of the desert city Las Vegas has soared by over 30% in the past decade, a trend that has severely strained local electrical companies in terms of finding water to run through their cooling towers. (Contrary to popular belief, Las Vegas does not get all or even most of its electricity from the Hoover Dam. Most of that power…
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In order to evaluate and improve the performance of a ground-coupled heat pump (GCHP) heating system with radiant floors as terminals, an exergy analysis based on test results is performed in this study. The system is divided into four subsystems, and the exergy loss and exergy efficiency of each subsystem are calculated using the expressions derived based on exergy balance…
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Yes, you should clean it. Or better, have a professional clean it. Watch how they do it, and take notes. Then next time, you can clean it yourself. The technician may take the cover off the unit, and spray from the inside out. If you re going to do it yourself, check the manufacturer s documentation for the approved cleaning method. It usually involves gently rinsing it with…
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Operation of a Carnot refrigerator For a Carnot cycle we know the ratios of heat in to heat out when the cycle is run forward and, since the cycle is reversible, these ratios are the same when the cycle is run in reverse. The coefficient of performance is thus given in terms of the absolute temperatures as This can be much larger than unity. The Carnot cycles that have been…
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Hybrid heat pump water heaters are a new, highly efficient way to heat water. They typically cost half as much to operate as traditional electric resistance water heaters, and can save a homeowner as much as $2, 500 over the lifetime of the unit. While they heat water, heat pump water heaters also air condition and dehumidify the space around them. To understand the concept…
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The higher the outlet temperature of the heat pump, the more work the compressor has to do to achieve this temperature. Therefore the more power the heat pump requires and the lower COP. The temperature leaving the heat pump will actually be less than this ‘compressor off’ temperature due to loses across the heat exchanger within the heat pump. This graph gives an indication…
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Heat pumps are potentially the most efficient type of electric heat. When heat pumps properly installed, heat pumps can deliver 1 1/2 to 3 times more heat energy to a home than the electric energy they consume. Unfortunately, the energy savings produced by the heat pump’s design are often lost to poor installation and neglected maintenance. All heat pumps include two different…
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For climates with moderate heating and cooling needs, heat pumps offer an energy-efficient alternative to furnaces and air conditioners. Like your refrigerator, heat pumps use electricity to move heat from a cool space to a warm space, making the cool space cooler and the warm space warmer. During the heating season, heat pumps move heat from the cool outdoors into your warm…
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Heat pumps are systems that transfer heat energy from a lower temperature to a higher temperature (hot source), by inverting the natural thermal flow (in which heat is carried from warm mediums towards cooler ones). This flow capability works whether one wishes to provide heating or cooling with a single piece of equipment. In heating mode, the system supplies the room heat…
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Heat pump technologies include phase change, thermoelectrics, thermoacoustic and magnetic coolers. HVAC and other phase change cooling methods are mechanical in nature. Phase change works by using a volatile gas (a refrigerant) that is mechanically compressed to a liquid with low energy and then pumped through a loop. The refrigerant is evaporated on a heat source, absorbing…
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