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2. Air handler - Wikipedia

   en.wikipedia.org/wiki/Air_handler

   A rooftop packaged unit or RTU. 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 containing a blower, furnace or A/C elements, filter racks or chambers, sound ...

3. Fan coil unit - Wikipedia

   en.wikipedia.org/wiki/Fan_coil_unit

   A fan coil unit ( FCU ), also known as a Vertical Fan Coil Unit ( VFC ), is a device consisting of a heat exchanger (coil) and a fan. FCUs are commonly used in HVAC systems of residential, commercial, and industrial buildings that use ducted split air conditioning or central plant cooling. FCUs are typically connected to ductwork and a ...

4. 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 ...

5. What Air Conditioning Does to Your Body - WebMD

   www.webmd.com/a-to-z-guides/ss/slideshow-what-ac...

   1 /12. If you work in an air-conditioned building with poor ventilation, it can raise your risk of “sick building syndrome.”. Symptoms include headaches, dry cough, dizziness and nausea ...

6. Here’s What Building a House Actually Costs Today - AOL

   www.aol.com/much-does-actually-cost-build...

   Those numbers are higher than they were last year, when Home Advisor put the average cost to build a house in the U.S. at $293,542. They also don’t include the cost of land. Anecdotally, we’re ...

7. Allergic to Air Conditioning? It’s What’s in the Air

   www.healthline.com/.../allergic-to-air-conditioning

   Biological contamination can cause allergic reactions, including hypersensitivity pneumonitis, allergic rhinitis, and asthma. In large buildings, toxins released by microorganisms that live in the ...