![]() This lets you direct more heat to typically chilly rooms or high-use areas, such as bathrooms, bedrooms, basements and entryways, while lowering the thermostat in rooms with less traffic, such as a formal dining room. To optimize energy-efficiency, radiant heating systems can work in zones, allowing you to heat different areas of a home at different temperatures.To equal the amount of heat that could be carried by water running through 1-inch-diameter hydronic tubing, you would need a 10 x 18-inch duct for forced-air heat.Īre you concerned that your concrete floors will be too cold in the winter? Harris explains how embedding a radiant heating system within the floor slab can save energy costs and provide other benefits, such as eliminating the circulation of dust or dirt throughout your home-a drawback of forced-air heat. This means you can operate a hydronic radiant system at a lower thermostat setting than a forced-air system, resulting in lower energy bills. According to the Hydronic Heating Association, a given volume of water can hold almost 3,500 times as much heat as the same volume of air for the same temperature rise.Homes and buildings with high ceilings will save even more in heating costs as heat generated by forced air systems quickly rises to the top of these structures, where it is of little use. 10-30% is the often quoted range of savings. Check with the local area utility in your area on how much a 2-4° lower thermostat setting would save in heating cost on an annual basis. This can allow you to set your thermostat 2-4° lower and still be comfortable-thus lower heating bills. Radiant floor heating concentrates the heat in the lower half of the room where the human body needs it most. You lose more heat with forced air heating systems since the heat concentrates in the top half of the room. Heat loss is greatest in the top half of rooms.Studies conducted by the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) indicate that with radiant heating systems people can be comfortable at temperatures 6 to 8 degrees F lower than with convective systems that use air as the primary heat-transfer medium, such as forced-air and baseboard heat. ![]() ![]() Other ways concrete in-floor radiant heating saves energy: Watch an overview of the benefits of installing a radiant floor heating system in concrete floors.
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