Extract from : « Within the Law » by Marvin Dana.Gilder sprang to his feet, his face suddenly grown younger, radiant.Extract from : « Philothea » by Lydia Maria Child.He looked upward with a radiant expression, and feebly pressed her hand.In many cases, a properly designed geothermal-radiant system can provide enough energy to heat and cool your entire space even in extreme temperatures. It could be all you need for total comfort. You’ll also appreciate the reliability of REHAU quality components from the geothermal probe to your thermostat, including durable PEXa pipes, secure EVERLOC ® joints and manifolds with individually controlled circuits. So, by combining RAUGEO with REHAU radiant heating and cooling, you’ll enjoy the greatest comfort at the lowest operating cost. It’s precisely in these temperature ranges that your water-to-water geothermal heat pump operates most efficiently. Here's why: In order to provide comfortable room temperatures, radiant heating works well with relatively low water temperatures and radiant cooling works with moderate water temperatures. There’s a natural synergy between the two. If you’re considering using our RAUGEO™ ground loop system, you’ll also want to look at radiant heating and cooling, and vice versa. Radiant cooling optimizes the surface temperature of the occupants’ surroundings, providing a comfortable environment while minimizing drafts and ventilation noise.Ī natural synergy. Increases Thermal Comfort The human body feels at its best when it can regulate at least 50 percent of its heat emission via radiation. The efficiency of a radiant cooling system can be even further enhanced with the integration of a water-to-water geothermal heat pump system (see Tab 4 for more information). This can lead to a significant reduction of energy consumption and carbon footprint. Improves Energy Efficiency Compared to traditional systems, radiant cooling operates with moderate water temperatures, allowing you to raise your thermostat a few degrees while still maintaining the same level of cooling. The installation of a radiant cooling system may also lead to a significant reduction in forced-air system components and ductwork costs. Reduces Life Cycle Costs Compared to a traditional forced-air system, radiant cooling has a lower operating cost, due to the superior heat transfer properties of water. Just as ground temperatures keep the walls of your basement slightly cooler and therefore absorb heat from the rooms, a radiant system embedded in your building structure can have a similar effect, providing even, comfortable cooling to your space. Temperature can be controlled by individual room.Requires air movement and dehumidification equipment as part of the system.Pipes are embedded in floors, walls or ceilings depending upon requirements.Cooling is more evening distributed drafts are eliminated.Radiant cooling is most effective when used in conjunction with other energy-reducing systems. RAUTHERM S pipe is installed in floors, walls, or ceilings and circulates chilled water. The technology is basically the same as radiant heating. Radiant cooling is an innovative approach to comfortable, high-efficiency cooling. Since radiant cooling solutions can improve air quality, they are ideal in buildings such as hospitals and nursing homes where air quality is critical. Radiant cooling may handle the entire cooling load or be used to cover the base loads in traditional cooling applications. A radiant cooling system is typically designed in conjunction with radiant heating, and achieves best results when combined with other energy-efficient systems in tight building structures. Improved Air Quality, No Drafts, No Hot Spots By circulating cooled water through pipes embedded in your building’s structure, radiant cooling evenly absorbs heat energy from a room, eliminating drafts and hot spots. They can also contribute to poor air quality by distributing airborne contaminants, making a space unhealthy and uncomfortable. Most traditional forced-air cooling systems produce uneven room temperatures. But this comfortable cool is often elusive, despite the high dollars we spend trying to attain it.
How refreshing it is to step inside a comfortably cool space on a sweltering hot day.
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