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Heating

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    Staff Report: Blackout Power Solutions

    The small, gasoline-powered portable generator is the classic ad hoc response to a major power outage. Yet it may be the homeowner's worst possible choice. Able to provide only enough output for a few lights and a refrigerator, gas-powered generators need frequent refueling and make a lot of noise...

     
  • Will Radiant Heat Melt a Wax Ring?

    Q: My company has been contracted to build a new bathroom. Plans include a tile floor installed over a radiant-heated slab. Will the heat generated by the hydronic tubing embedded in the slab cause problems with the wax seal between the toilet and the dra

     
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    Air Leaks: Hidden Moisture Movers

    Along the coast where wind-blown rain is a regular weather feature, it's no surprise to builders that the exterior of a home must be carefully detailed to manage water. Properly installed housewrap and flashing are the key elements of an effective water-resistive barrier. But rainwater is not the...

     
  • Aging Public Housing Repaired

    PITTSBURGH—An unusual loan guarantee, backed only by the promise of energy efficiency, helped the Allegheny County Housing Authority (ACHA) pay for some pricey new windows for several of its oldest public housing projects.

     
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    Products

    Landscaping; energy conservation

     
  • Stained Plaster Repair

    Q: What's the best way to remove a water stain from a sand-finish plaster ceiling? The plaster was applied over electric radiant-heating cable stapled to Gypboard backing, with a sand finish that won't tolerate any rubbing. Could we use a tinted wash that

     
  • New Hope for Old Buildings

    Leonard Frenkil Jr. is a big believer in heat submetering.

     
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    Heating a Home With a Tankless Water Heater

    Even in a cold climate, these efficient units can provide both domestic hot water and whole-house heating.

     
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    Efficiency Dos and Don'ts From an Energy Nerd

    With high fuel prices here to stay, now is the time to get it right.

     
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    Selecting Sunrooms for Coastal Homes

    You can now get a prefabricated sunroom that will satisfy nearly every design and budget. But you have to work with the manufacturer to make sure you get what you and your customers want. Our guide to systems, glazing, and current codes will help you select sunrooms for the long run, leaving...

     
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    Rebuilding the Gulf: Cooling Strategies for the Gulf Coast

    In the hot, humid South, it's not enough to install high-efficiency air conditioning. Dedicated dehumidification, along with impeccable attention to sealing the building enclosure, is required. Researchers at LSU exhibit three practical systems that balance performance and cost in the "LaHouse"...

     
  • Passive Solar Flooring

    Q. Passive Solar Flooring Instead of tile, my clients want to install a wood-finish floor over the insulated concrete slab of a planned passive solar addition. They've also asked us to install tubing in the slab to give them the option of radiantly heating the space. But won't wood flooring have a...

     
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    Practical Passive Solar

    Extra insulation, smart window placement, and thermal mass add comfort and generate energy savings for this New England home.

     
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    Selecting Windows for Coastal Homes

    All windows worth buying should carry a valid warranty and meet basic structural and thermal performance measures. On the coast, however, strong winds and blowing rain make it imperative that windows meet even more stringent performance requirements. Editor Clayton DeKorne sorts through the...

     
  • Green Building Comes of Age

    From the busy streets of New York City to the quiet towns of Montana, more and more multifamily developers are beginning to embrace green building principles.

     
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    Same Windows, Different Climates?

    Q. Same Windows, Different Climates? As a HERS rater working in north-central New England, I've noticed that the U-values of the windows that most builders are installing are quite good — below .35 — but they have low SHGC (solar heat-gain coefficient) values. While it seems that windows with...

     
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    Kitchen & Bath

    Supporting a floating stone countertop; floor warmers; cabinets

     
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    Using PEX in solar water heating; solar hot-water storage; hot-water recirculation; leak testing

     
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    Enclosing a Front Porch

    It used to be that on warm afternoons folks would sit out on the front porch to catch some air and chat with passersby strolling down the sidewalk.

     
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    Solar Hot Water 101

    Solar water heating has a proven record of cutting energy costs. Here's what you need to know to help customers choose the right system.

     
 
 
 
 
JLC Field Guide to Decking