Domestic Hot Water

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  TVA-ORNL Project Provides a Window on the Payback of Energy Upgrades

  Study finds that modest upgrades in insualtion and HVAC equipment dramatically reduce energy use in warm, humid climates.

   
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  Green Finalists

  SAN JOSE, CALIF.— Once the site of a sorority house near San Jose State University and then an aging residential hotel, Casa Feliz Studios has been reborn as a contemporary and sustainable development serving extremely low-income residents.

   
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  Installing an Efficient Noncondensing Boiler (Subscriber content)

  Tax credits are great, but does your client really need a condensing boiler?

   
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  Water Heater

  The Geyser heat-pump water heater connects to the tank of an existing water heater or any similar insulated storage tank but runs more economically than standard electric or gas-fired units, says the manufacturer.

   
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  Retrofitting a High-Tech Heating System (Subscriber content)

  This design uses a gas boiler and solar thermal collectors as heat inputs, and incorporates an HRV into the air handler.

   

• Ruud Lighting Appoints New President

  Ruud Lighting has named Christopher Ruud to the position of President of the company. He assumes this leadership role from his father, Alan Ruud, who has been president of the company since he founded it in 1982. In his new role as president, the junior Ruud will oversee all U.S.-based business...

   
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  Products

  Snow-melting stair mats; modulating gas fireplace; efficient heat-pump water heater; permeable pavement; sump pump; more

   
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  Letters

  Tree roots and foundation cracks; code logic; mixing plastics; site-built arched trusses

   
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  Home Performance Contracting (Subscriber content)

  Careful diagnostic testing is the key to cost-effective energy upgrades.

   

• Letters

  Safe installation of basement water heaters; galvanized pipe for gas; painting old porch floors