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9572Re: [hreg] retrofitting fireplace to make energy-efficient?

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  • Andrea Wisner
    Feb 8, 2010
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      It's regular masonry but with a gas line going into it. It's standard size and shape, but there's an overhang at the top which keeps heat from escaping from the fireplace. We've used wood a couple times and you can sit right in front of it and barely feel anything. Also, a friend volunteered to cover the fireplace with some spare marble tiles he had, so it looks great but I think if we do anything with the fireplace we're going to end up cutting into the marble.
      I did find out that there are certain fireplace inserts which qualify for the 30% energy efficiency tax credit, but what I've seen so far is $1500 minimum cost just for a unit (not sure if it's even tax credit qualified), and around $2500 seems pretty common. A kit would be great! I need to keep looking.
      Your question about water near the fireplace  - a "heat sink" - is a good one. I was planning to ask questions on the issue someday. I think black stone is supposed to be a good heat sink. Also, the electric "radiator" space heaters use some kind of oil. I suppose water loses heat pretty fast.
      Any input from the experts on heat sinks would be great! I'd like to know how to take advantage of our south-facing picture window in the winter. A list of useable materials would be great.

      --- On Sun, 2/7/10, William & Cynthia Stange <stangfam@...> wrote:

      From: William & Cynthia Stange <stangfam@...>
      Subject: Re: [hreg] retrofitting fireplace to make energy-efficient?
      To: hreg@yahoogroups.com
      Date: Sunday, February 7, 2010, 11:07 PM

      Is it a regular masonry FP or one of those gas log things? When I lived in Portland OR. they used fireplace inserts, kind of like a pot-bellied stove but built into a FP opening. Alot of people then used a cooling thermostat and an inline exhaust fan to suck out some of the hot (and I mean hot) air and pump it to the bedroom areas or wherever was needed via an AC duct in the ceiling. Another device was the same cooling therm and fan in a room with windows that faced south and dark tile floor/wall. The passive heat build up on sunnier days could be moved around the house as well. Take some pics so we can see the situation, there's always a way to pester something.
       On a side note, the oak from Ike that I stacked last year came in pretty handy this winter. Got a little needed exersize as well splitting it. Burns hot and relatively clean as fire wood goes. I wonder if  large tanks of water near a hot FP could hold the heat for awhile??? Hmmm. Anybody?

      From: Andrea Wisner <amwisner@yahoo. com>
      To: hreg@yahoogroups. com
      Sent: Sun, February 7, 2010 8:43:37 PM
      Subject: [hreg] retrofitting fireplace to make energy-efficient?

      We have realized this winter that the fireplace in our house has no function except to suck all the heat in house out the chimney. Rather than sealing it off, is there an inexpensive do-it-yourself option to turn it into a space-heater of sorts? I'm thinking gas, but maybe electric. If gas, what would be the best option for venting?
      We do already have gas heat, although it's not set up properly and we've been using electric space heaters in kitchen and bedroom and leaving the rest of the house cold. The gas source is just outside the chimney.
      Also, I'd love to receive recommendations of someone to integrate the gas with our new AC system, which wasn't done for some reason. Or are we better off not using the gas for heating the house?
      Any (inexpensive) suggestions would be appreciated.

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