"Bob" wrote in
news:ujkCd.844822$8_6.687619@attbi_s04:


"Murray Peterson" wrote in message
...
wrote in
oups.com:

Has anyone compared the use of a (gas) fireplace with insert and
blower with a programmable thermostat and furnace, or other
scenarios to determine consumption (i.e., does the pilot light for
the FP consume measureable quantities, etc.)?

You can buy furnaces that with 95% efficiency. Even the best
fireplaces run around 70%.
http://oee.nrcan.gc.ca/equipment/eng...fireplaces.cfm

Aren't the "ventless" gas fireplaces closer to 100% efficient?

Yes, but do you want the combustion products exhausted into your living
room? Many governments have banned them entirely.