Air-to-air heat pumps have gained increased popularity during the last years. Households want to reduce heating costs and the community wants to reduce electricity consumption and greenhouse gas emissions. Air to air heat pumps (AAHP) generates hot air, typically 30 鈥 50 oC, at high ...
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Air-to-water heat pumps are an emerging renewable technology for North American low temperature hydronic systems says John Siegenthaler.
1) air/air heat pumps 空气/空气热泵1. This paper fully sums up research of heat pump in Harbin Institate of Technogy in China from 1960 sto 2003, including development and research of heat pump equipments, research of air/air heat pumps air-conditioner,forecast analysis and evaluation of ...
energy conservation, consumption, and utilization air source heat pumps coefficient of performance design evaporators heat pumps 320100* -- energy conservation, consumption, & utilization-- buildings 被引量: 15 摘要: A device to increase the efficiency of a conventional, air-to- air heat pump...
A computer simulation program was developed to investigate the effects of frost deposited on the outdoor soil of air-to-air heat pumps. Three methods of defrost initiation were investigated. These were based on (1) air pressure drop in coil, (2) air temperature and compressor run time, (3...
heat pumps provide an energy-efficient replacement for conventional electric or gas water heaters. Heat pumps are an effective way to extend the seasons during which pools are heated while using less energy than electric or gas heaters since they draw heat from the surrounding air. Electricity is...
LG Air to Water Heat Pumps, THERMA V, is a sustainable heating solution providing heating, cooling and hot water for comfort, replacing gas boilers with renewable technology.
With Hitachi heating and hot water systems you can stay warm throughout the whole year. Choose your perfect air to water heat pump to make the winter wonderful.
Air-to-air heat pumps are getting more popular as a primary heat source in colder climates. Here’s how to get the most from your system. [Editor's Note: This guest post comes to us courtesy of Peter Talmage, P.E., an energy and design consultant and an instructor in theRenewable ...