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Heating

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    Controversy Over Home Ventilation Rules

    SHRAE Standard 62.2 is the nation’s residential ventilation standard, and that’s the end of the story. Or is it?

     
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    Comfort Sync Thermostat

    This feature-rich controller can be operated over the Internet via smart phone or tablet

     
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    Compact HRV

    The Flex 100H heat-recovery ventilator is designed for homes with less than 2,000 square feet of floor space

     
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    Q Premier Boiler

    A 132,000-Btu boiler and a 24-gallon charged indirect hot-water tank in one compact unit

     
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    Downsized Programming

    Honeywell's Prestige IAQ thermostat is 60% smaller than the companyís other programmable models

     
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    Clean Woodburner

    The Lopi Cape Cod Woodstove is billed as the cleanest-burning large cast-iron stove available

     
  • Maine Passive House Builder Tweaks His Package

    Chris Corson is working on another Passive House — this time, with a more ample budget, and a more complex design.

     
  • Sustainability Expert Reports on Hybrid Water Heaters

    Next-wave DHW heaters offer performance advantages over conventional tankless and storage water heaters but may not make financial sense.

     
  • Q&A: Can I Build a Cabinet Around Hydronic Baseboard?

    Even if you install a grille, building a wood cabinet around strip of hydronic baseboard radiator will compromise heating performance

     
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    SoftSound VC 97 Variable-Speed Modulating Gas Furnace

    According to the maker, the SoftSound VC 97 Variable-Speed Modulating Gas Furnace provides steadier heat than single-stage furnaces

     
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    Radiant in a Box

    This unit is essentially a pre-assembled mechanical room that you can hang on the wall.

     
  • Heat pumps are refrigeration- cycle devices that use electricity to move and concentrate heat energy, and can be used for both heating and cooling. Although electricity is required to run a compressor,the energy needed to deliver a given quantity of heat with a heat pump is typically a fraction of what it would take to provide the same amount of heat with resistance baseboard heaters or wall-hung units.

    Ductless Heat Pumps (Subscriber content)

    These easily installed units offer flexible sizing and high efficiency at moderate cost.

     
  • We Are the 99% — Design Temperatures and Oversized HVAC Systems

     
  • When to Use a Heat-Pump Water Heater (Subscriber content)

    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...

     
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    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. 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.