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2. Is your heater making you sick? How to avoid cold-like ...

   www.aol.com/lifestyle/heater-making-sick-avoid...

   Turning on the heat for the first time this season can bring on cold-like symptoms. ... mites and pollen in furnace blower cabinets and duct ... Breathing in dirty mist can cause flu-like symptoms ...

3. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   At the furnace, cool air passes into the furnace, usually through an air filter, through the blower, then through the heat exchanger of the furnace, whence it is blown throughout the building. One major advantage of this type of system is that it also enables easy installation of central air conditioning , simply by adding a cooling coil at the ...

4. Forced-air gas - Wikipedia

   en.wikipedia.org/wiki/Forced-air_gas

   Older furnaces sometimes relied on gravity instead of a blower to circulate air. [1]Gas-fired forced-air furnaces have a burner in the furnace fueled by natural gas.A blower forces cold air through a heat exchanger and then through duct-work that distributes the hot air through the building. [2]

5. Radon mitigation - Wikipedia

   en.wikipedia.org/wiki/Radon_mitigation

   Exposure to radon can cause serious health problems such as lung cancer. [1] Mitigation of radon in the air by active soil depressurization is most effective. Concrete slabs, sub-floors, and/or crawlspaces are sealed, an air pathway is then created to exhaust radon above the roof-line, and a radon mitigation fan is installed to run permanently.

6. Soot blower - Wikipedia

   en.wikipedia.org/wiki/Soot_blower

   Air Heater Blower; Rotating Element Sootblowers; Multi-Media Sootblowers; Fixed Rotating; Steam blowing medium: Steam; Air; High Pressure Water; Dual-media air heater; Steam is normally used as a medium for blowing away the soot since capital cost of steam pressure reducing equipment and drain is less than the cost of compressors, motors and ...

7. Heat exhaustion - Wikipedia

   en.wikipedia.org/wiki/Heat_exhaustion

   Unlike heat exhaustion, heat cramps and heat syncope do not have systemic effects. Heat exhaustion is a precursor to heat stroke, a severe form of heat-related illness. Heat stroke is more likely than heat exhaustion to cause pallor, hot and dry skin, syncope, and dysfunction of the central nervous system (e.g., altered mental status, loss of ...