Honeywell's Prestige IAQ thermostat is 60% smaller than the companyís other programmable models
The Lopi Cape Cod Woodstove is billed as the cleanest-burning large cast-iron stove available
Chris Corson is working on another Passive House — this time, with a more ample budget, and a more complex design.
Next-wave DHW heaters offer performance advantages over conventional tankless and storage water heaters but may not make financial sense.
According to the maker, the SoftSound VC 97 Variable-Speed Modulating Gas Furnace provides steadier heat than single-stage furnaces
This unit is essentially a pre-assembled mechanical room that you can hang on the wall.
These easily installed units offer flexible sizing and high efficiency at moderate cost.
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Q: A customer wants me to install one of the new heat-pump water heaters in the ground-floor utility room of a house built on a slab. I don't have any direct experience with them, but since they work by drawing heat from the surrounding air, won't any energy savings in the winter be at least partly...

Product: SheerWeave Performance +
An interior window shade fabric designed to reflect solar heat and reduce glare.
Nest Labs. The Nest Learning Thermostat monitors homeowner behaviors and preferences to create a customized heating and cooling schedule.
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.
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 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.
Warm up to 800 square feet for up to 12 hours with this portable propane unit.
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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.
The Slimline Platinum thermostat provides control of both temperature and humidity levels.
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.