For something you can use right now, take a look at
Ecofire Details
1)  easy///radiant heat///pollution and emissions /// testing///cost-efficient
2)  Questions and Answers
3)  Installation, Operation, & Maintenance
Starting a Fire /// Keep your fireplace from becoming extinct
4)  More Pictures
5)  Ordering
For an intersting perspective on efficient burning,
Northern Light Research and Development
is doing innovative and impressive research.
petrich@whidbey.com

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The Ecofire Grate:

    The EcoFire™ Super-Grate substantially reduces the quantity of ash making for easy clean up and eliminates the lingering stale smell that comes from partially burnt logs. Additionally, creosote (sticky tar residue that sticks inside the flue) is substantially reduced and, as a result,  lowers the hazard of chimney fires.

    The EcoFire™ Super-Grate requires no installation and fits most fireplaces with a minimum cavity of 30"W x 17" deep. The EcoFire™ Super-Grate is versatile and can be used in fireplaces with glass doors. The EcoFire™ Super-Grate is built work in "zero clearance" fireplace.

    It's cost efficient!  Most fireplaces are expensive heaters because they turn a large part of your  firewood into smoke, not heat! The EcoFire™Super-Grate gets  more heat out of each log and delivers more heat  into the room. The Ecofire™ Super-Grate is significantly less expensive, easier to operate and easier to install than an insert, and provides the warmth and beauty of an open fire.

EcoFire Super-Grate GR or GL                                                                 $665.00
Grande Size Fits Fireplaces with a Larger than 46" Wide Opening
Available with Right or Left Side Motor

Shipping & Handling: $15.00 (CA residents), $29.50 (For all other US states). Please call for international shipping rates

    "I do know of new technology devices that when installed into a fireplace, can reduce emissions significantly. There are reasonably priced devices available now, like the EcoFire Super-Grate from Andiron Technologies, that can reduce fireplace emissions by as much as 30%." (This is 30% over fireplaces considered clean or equivalent by the Washington State Standard.)
    "The EcoFire Super-Grate is a device that provides additional heated air to the fireplace combustion zone which improves combustion processes in a fireplace and thereby reduces the air pollutant emissions generated by incomplete wood combustion."
    "I want to make it very clear here that I believe there are existing  technologies that appreciably reduce fireplace emissions and I believe that since research for developing more advanced and effective technologies is only now just in its infancy, there are more significant improvements to come."
    "My personal and strong recommendation to the BAAQMD Board of Directors is to adopt at least the Washington State standard for new fireplaces being sold and/or installed in the BAAQMD." ….
    "A standard that is 1/2 of the Washington passing grade would definitely eliminate the larger polluters and would provide a stimulus for industry research and development into even cleaner and more cost effective technologies."

"I love it - it makes it so easy to light a fire!" -  P. Bedouin

"Incredible, you really notice how much more heat you get." - D. Hunter

"It's great, the whole family loves it. But most of all, I'm pleased  that it's environmentally friendly. It is important to us to have a  green household."  - D. Wooster

"The EcoFire works! It makes the perfect fire - every time."  - M. McLaughlin