page_title: Window fan
hierarchical_section_title: Window fan
caption_attribution_description: English: A window fan with thermostat
context_page_description: A window fan is a fan designed to be placed inside the frame of a window. Window fans have been used for many decades to maintain comfortable temperatures and ventilation within one's home, and operate at a tiny fraction of the cost of central air conditioning.
context_section_description: A window fan is a fan designed to be placed inside the frame of a window.  Window fans have been used for many decades to maintain comfortable temperatures and ventilation within one's home, and operate at a tiny fraction of the cost of central air conditioning.
caption: A small twin window fan with thermostat
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