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Heating

  • Nest Labs. The Nest Learning Thermostat monitors homeowner behaviors and preferences to create a customized heating and cooling schedule. It learns residents personal schedules in a week and automatically adjusts heating or cooling when the home is vacant to save energy. An Energy History function shows how much energy has been saved. In addition, users can change the temperature, adjust their schedule, and check energy usage via laptop or smartphone. www.nest.com.

    Learning Thermostat

    Nest Labs. The Nest Learning Thermostat monitors homeowner behaviors and preferences to create a customized heating and cooling schedule.

     
  • Big Power, Small Package

    According to Rheem, the 29-gallon XR90 Extreme Recovery Gas Water Heater exceeds the performance of most 50-gallon water heaters but costs less to operate than any standard 30-, 40-, or 50-gallon model.

     
  • Geothermal System

    Climatemaster. The Tranquility 22 Digital series geothermal system has one of the smallest footprints in the industry, making it ideal for retrofit projects or installation in tight spaces, the company says.

     
  • Carrier. Featuring Greenspeed intelligence, the companys latest Infinity heat pump offers an industry-leading HSPF heating efficiency rating of up to 13 along with cooling efficiency up to 20 SEER. The units variable-speed scroll compressor provides consistent indoor temperatures while conserving energy. The line includes capacities from 2 to 5 tons. 800.227.7437. www.residential.carrier.com.

    High-Efficiency Heat Pump

    Carrier. Featuring Greenspeed intelligence, the company’s latest Infinity heat pump offers an industry-leading HSPF heating efficiency rating of up to 13 along with cooling efficiency up to 20 SEER.

     
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    Cordless Jobsite Forced-Air Heater

    Warm up to 800 square feet for up to 12 hours with this portable propane unit.

     
  • Maine Passive House: How Low Can He Go?

     
  • LED Downlights

    Imtra. The Sardinia and Cyprus 120-volt flush-mount LED downlights are designed to replace 120-volt, 35-watt halogen lights, providing equal light output and color temperature but with no radiated heat and less than one-third of the power consumption, the company says.

     
  • GeoStar. The Cypress Series geothermal system provides forced-air heating and cooling and hydronic heating for radiant floors and features a desuperheater option for supplemental hot water. Available in 3-ton to 6-ton capacities, the Energy Star-rated models use EPA-approved R-410A refrigerant. www.geostar-geo.com.

    Cypress Series Geothermal System

    GeoStar. The Cypress Series geothermal system provides forced-air heating and cooling and hydronic heating for radiant floors and features a desuperheater option for supplemental hot water.

     
  • Programmable Thermostat

    The Slimline Platinum thermostat provides control of both temperature and humidity levels.

     
  • Builder's Guide to Windows

    There are more than 100 million homes and approximately 20 billion square feet of clear-glass residential windows in the U.S. Most of those homes are more than 30 years old, and as a result, the market is growing for replacement windows with energy-efficient insulating glass.

     
  • Stainless Steel Heat Exchanger

    According to Triangle Tube, the Prestige Solo Condensing Boiler is one of the most efficient and environmentally friendly heating systems on the market.

     
  • Floor Heat Cable

    WarmWire floor heat cable makes it easy to incorporate radiant heat into a kitchen or bath: You simply tape cable straps to each side of the subfloor, weave the cable between the straps, and cover with a cement-based or gypsum-based mortar.

     
  • Low-E Window Film

    Instead of replacing a sound single-pane window, consider adding Solar Gard Silver AG 50 Low-E Window Film.

     
  • Maine Passive House: Transition Details ~

     
  • Building a Simple Passive House

    In September 2009 I completed a deep energy retrofit on a small house in Point Reyes Station, Calif., some 50 miles north of San Francisco.

     
  • Expanding a Kitchen

    We were wrapping up the latest in a series of renovation projects on a suburban Maryland split-level home when I casually mentioned to the owner that her Thanksgiving family gatherings would be a lot more enjoyable if her small kitchen weren't separated from the dining and living areas by a wall.

     
  • Hydronic Heating for Low-Load Houses

    With the right hardware and layout, hot-water heating saves energy and makes ideal use of the sun.

     
  • LED Light Bulb

    According to GE, fins surrounding the new 9-watt Energy Smart LED bulb dissipate heat and disperse light, making it the world's first omnidirectional LED replacement bulb.

     
  • High-Tech Maine Heat Pump Maker Fails, but Questions Remain

     
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    Geothermal Sources: The Blessing and the Curse (Subscriber content)

    Free underground heat

     
 
 
 
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