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2. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   Rooftop HVAC unit with view of fresh-air intake vent Ventilation duct with outlet diffuser vent. These are installed throughout a building to move air in or out of rooms. In the middle is a damper to open and close the vent to allow more or less air to enter the space. The control circuit in a household HVAC installation.

3. Humidifier - Wikipedia

   en.wikipedia.org/wiki/Humidifier

   Humidifier. A humidifier is a household appliance or device designed to increase the moisture level in the air within a room or an enclosed space. It achieves this by emitting water droplets or steam into the surrounding air, thereby raising the humidity. Humidifier in an art museum in Augsburg, Germany.

4. These Whole-House Humidifiers Add Moisture to Your Entire ...

   www.aol.com/7-best-whole-house-humidifiers...

   Whole-House Console-Style Evaporative Humidifier. This portable model from Aircare features four rolling casters, and combined with its light 13.5-pound weight, is easy to transport from room to room.

5. Air handler - Wikipedia

   en.wikipedia.org/wiki/Air_handler

   Air handler. An air handling unit; air flow is from the right to left in this case. Some AHU components shown are. An air handler, or air handling unit (often abbreviated to AHU), is a device used to regulate and circulate air as part of a heating, ventilating, and air-conditioning (HVAC) system. [1] An air handler is usually a large metal box ...

6. Duct (flow) - Wikipedia

   en.wikipedia.org/wiki/Duct_(flow)

   Ducts are conduits or passages used in heating, ventilation, and air conditioning (HVAC) to deliver and remove air. The needed airflows include, for example, supply air, return air, and exhaust air. [1] Ducts commonly also deliver ventilation air as part of the supply air. As such, air ducts are one method of ensuring acceptable indoor air ...

7. Heat and moisture exchanger - Wikipedia

   en.wikipedia.org/wiki/Heat_and_Moisture_Exchanger

   Heat and moisture exchanger. Heat and moisture exchangers (HME) are devices used in mechanically ventilated patients intended to help prevent complications due to "drying of the respiratory mucosa, such as mucus plugging and endotracheal tube (ETT) occlusion." [1] HMEs are one type of commercial humidification system, which also include non ...

8. Humidistat - Wikipedia

   en.wikipedia.org/wiki/Humidistat

   Humidistat. A humidistat or hygrostat is an electronic device analogous to a thermostat but which responds to relative humidity, not temperature. A typical humidistat is usually included with portable humidifiers or dehumidifiers. It can also be included with combined air cleaner or humidifier units to control a home's humidity level or any ...

9. Glossary of HVAC terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_HVAC_terms

   Glossary of HVAC terms. HVAC (heating, ventilation, and air conditioning) is a major sub discipline of mechanical engineering. The goal of HVAC design is to balance indoor environmental comfort with other factors such as installation cost, ease of maintenance, and energy efficiency. The discipline of HVAC includes a large number of specialized ...