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2. Fireplace insert - Wikipedia

   en.wikipedia.org/wiki/Fireplace_insert

   The fireplace insert was invented in 1742 by Benjamin Franklin, which he called 'The Pennsylvania Fireplace' (also known as the Franklin Stove), in the United States.He came upon the idea as a means of using coke (a smokeless fuel made by the destructive distillation of certain types of coal) and incorporated the use of an electric blower to improve efficiency.

3. Grate heater - Wikipedia

   en.wikipedia.org/wiki/Grate_heater

   This is a very basic tubular blower that sits under a grate and heats the air being pumped through it from the heat of the coals. It has a high rate of airflow but a small surface area. A tubular grate heater is any grate or heat exchanger for a fireplace , designed from metal tubing. [ 1 ]

4. Direct vent fireplace - Wikipedia

   en.wikipedia.org/wiki/Direct_vent_fireplace

   Direct vent fireplaces are extremely efficient compared to a traditional fireplace and can operate at about 85% efficiency. Even a very efficient traditional fireplace only operates at about 15% efficiency. This is because most of the hot air generated by the fire travels up the chimney due to convection.

5. Flue - Wikipedia

   en.wikipedia.org/wiki/Flue

   Fireplaces are one of the biggest energy wasters when the flue is not used properly. This occurs when the flue is left open too wide after the fire is started. Known as convection, warm air from the house is pulled up the chimney, while cold air from outside is pulled into the house wherever it can enter, including around leaking windows and ...

6. Fireplace - Wikipedia

   en.wikipedia.org/wiki/Fireplace

   Manufactured fireplaces are made with sheet metal or glass fire boxes. Electric fireplaces can be built-in replacements for wood or gas or retrofit with log inserts or electric fireboxes. A few types are wall mounted electric fireplaces, electric fireplace stoves, electric mantel fireplaces, and fixed or free standing electric fireplaces.

7. States and towns consider banning gas-powered leaf blowers ...

   www.aol.com/news/states-towns-consider-banning...

   A decentralized nationwide movement has seen more than 100 local governments enact at least partial bans on gas-powered leaf blower use in recent years. States and towns consider banning gas ...