Reflective inserts for home gas fireplaces

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SUMMARY

This discussion focuses on improving the efficiency of gas fireplaces through the use of reflective inserts. Participants highlight the potential benefits of reflective back and side inserts in enhancing infrared (IR) energy reflection into living spaces. Key considerations include the materials used for these inserts, their cleaning frequency, and safety concerns related to modifications. Recommendations include exploring aftermarket fireplace blowers and ensuring compatibility with existing fireplace designs.

PREREQUISITES
  • Understanding of gas fireplace mechanics and efficiency
  • Knowledge of infrared energy and heat reflection principles
  • Familiarity with fireplace blower systems
  • Basic safety regulations regarding fireplace modifications
NEXT STEPS
  • Research reflective materials suitable for gas fireplace inserts
  • Investigate aftermarket fireplace blower options and their compatibility
  • Learn about safety standards for fireplace modifications
  • Explore air circulation techniques to enhance heating efficiency
USEFUL FOR

Homeowners with gas fireplaces, HVAC professionals, and anyone interested in optimizing heating efficiency and safety in residential heating systems.

berkeman
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TL;DR
What would be a good material and cleaning schedule to improve the heat efficiency of home gas fireplaces?
I guess this applies to wood-burning fireplaces as well, but they will require more frequent reflector surface cleaning.

Our gas fireplace is fairly warm, but it's clear that it's not as efficient as it could be. It seems like reflective back and side inserts would reflect a lot more of the IR energy into the living room and improve the heating efficiency.

I've searched a fair amount for air circulation inserts and reflective wall inserts, but haven't found a good solution. Does anybody know if good inserts exist, and for the reflective versions, what material they are made out of and how often you need to clean them to keep them efficiently reflecting the heat energy?

Thanks.

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The heat either goes up the chimney or into your room. Adding reflectors won't change that.
(Also, your insurance company probably doesn't approve of such modifications.)
 
Berke, Merry Christmas. I am in west Ohio and out in the country. I heat with wood. Wood burning stove. Back up is LP heater. I built the house in 1990 with 2 x 6 and it is so insulated i can not start a fire until it hits below 30 deg F. I clean the chimney yearly if i burn over two cords of wood. I have owned many woodburners over the years and the Buck stove with convection motor is a good one. If it were me and i wanted more heat from your gas insert i would look at adding 1 1/2" exhaust pipe and a blower to actually interact with the visible flames. If designed right it would not be that obtrusive in appearance and could be made pretty cheap.
 
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Keith_McClary said:
(Also, your insurance company probably doesn't approve of such modifications.)
Interesting point, I hadn't considered that issue. The insert would be made of metal, so not flammable. But if it collapsed for some reason, that could cause safety issues (CO or knocking embers out of the fireplace). I'll keep safety issues in mind on this project; thanks for the reminder. :smile:
 
there are plenty of aftermarket fireplace blowers on the market today. i can fabricate a set up for just about any fireplace in operation..ifin you got enough time and money!
 

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