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Keyword: heatpump

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  • Improving hot water heating efficiency ... with cold water

    04/05/2013 10:30:55 AM PDT · by Freeport · 40 replies
    Gizmag ^ | April 4, 2013 | Darren Quick
    Apart from heating and cooling the house, water heating is one of the biggest energy drains in the average home. But what if you could literally use cold water to create hot water? That’s just what San Diego inventor Hal Slater claims to have done with the creation of a water heater system that promises to improve water heating efficiency by as much as 50 to 100 percent. The system works on the basis that cold water supplied to households in temperate climates averages around 70° F (21° C), which the researchers say is 15° to 20° F (8° to...
  • Any HVAC Folks Out There? (Vanity?

    11/07/2010 4:26:48 PM PST · by plinyelder · 107 replies · 1+ views
    This was a tough one to figure out what category this should go in! Well .. Anyway .. I need some advice from an expert on electrical use. Been out of work for over two years now and I am 'squeezing' every dime to survive! Here is my question: I live in a two story, vinyl sided home. I have an electric fireplace downstairs (12.5 amps +120 volts= 1500 watts) and the same upstairs. I also have .. what I think is a 2.5 ton 'Heat Pump'. I have No Clue, (being from Florida) What or how a heat pump...
  • Homes warm to Earth's power

    09/20/2006 11:38:26 AM PDT · by JZelle · 46 replies · 1,187+ views
    Washington Times ^ | 9-20-06 | Keyonna Summers
    Anyone who ever tried to dig a hole in January knows how hard the cold earth can be. However, underneath that top layer of soil, the earth is a warmer, more constant temperature no matter what the calendar says. Home builders are starting to take advantage of that by introducing geothermal heat pumps into homes new and old. The concept is simple and dates to the 1800s, but not until the 1940s did any buildings start delivering on its promise.