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Provided the slab has air channels like the Trombe wall, which run through it in the north-south direction and are vented to the interior air space through the concrete slab floor just inside the north and south walls, vigorous air thermosiphoning through the slab still occurs as in the vertical Trombe wall, distributing the impounded heat ...
A heated sidewalk in Holland, Michigan Installation of a geothermal snowmelt system on a street in Reykjavík, Iceland.. A snowmelt system prevents the build-up of snow and ice on cycleways, walkways, patios and roadways, or more economically, only a portion of the area such as a pair of 2-foot (0.61 m)-wide tire tracks on a driveway or a 3-foot (0.91 m) center portion of a sidewalk, etc.
Weather compensation is a technique for adjusting heating systems to reflect the outside weather, using weather compensation controls. [ 1 ] If the outside temperature drops, it will increase the temperature of the heating medium (typically, water or air) in the heating system.
As the temperature climbs to 100 degrees, the soil around a slab or pier and beam foundations shrinks and begins to move around and settle. This movement compresses the foundation, often creating ...
In these cases, insulation should be considered. If the perimeter of a slab on grade is insulated from the weather, this is all that can be hoped for. Over a cold crawl space, a two-in blanket under the floor will cut the heat loss by at least 50%. A concrete floor slab can be insulated by sprayed-on insulating material. [27]
Seasonal thermal energy storage (STES), also known as inter-seasonal thermal energy storage, [1] is the storage of heat or cold for periods of up to several months. The thermal energy can be collected whenever it is available and be used whenever needed, such as in the opposing season.
Radiant heating and cooling is a category of HVAC technologies that exchange heat by both convection and radiation with the environments they are designed to heat or cool. There are many subcategories of radiant heating and cooling, including: "radiant ceiling panels", [ 1 ] "embedded surface systems", [ 1 ] "thermally active building systems ...
Heating degree day (HDD) is a measurement designed to quantify the demand for energy needed to heat a building. HDD is derived from measurements of outside air temperature . The estimated average heating energy requirements for a given building at a specific location are considered to be directly proportional to the number of HDD at that location.
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