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2. Zone valve - Wikipedia

   en.wikipedia.org/wiki/Zone_valve

   A zone valve is a specific type of valve used to control the flow of water or steam in a hydronic heating or cooling system. In the interest of improving efficiency and occupant comfort, such systems are commonly divided up into multiple zones. [ 1 ]

3. List of Honeywell products and services - Wikipedia

   en.wikipedia.org/wiki/List_of_Honeywell_products...

   Honeywell offers a number of products and services across its four business groups: Aerospace, Home and Building Technologies (HBT), Safety and Productivity Solutions (SPS), and Performance Materials and Technologies (PMT). This is a partial list of products manufactured and services offered by Honeywell.

4. Novar Controls - Wikipedia

   en.wikipedia.org/wiki/Novar_Controls

   Novar (also Novar Controls) is a manufacturing company based in Cleveland, Ohio, United States, which develops technology to centrally control and manage HVAC, refrigeration and lighting systems for businesses, using direct digital control and energy management. More than 40,000 sites worldwide use Novar technology, and more than 10,000 of ...

5. Heating, ventilation, and air conditioning - Wikipedia

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

   Zones are controlled by multiple thermostats. In water heating systems the thermostats control zone valves, and in forced air systems they control zone dampers inside the vents which selectively block the flow of air. In this case, the control system is very critical to maintaining a proper temperature.

6. Honeywell weighs jettisoning aerospace division, following ...

   www.aol.com/honeywell-weighs-jettisoning...

   Honeywell said that it may calve its aerospace division from the conglomerate, sending shares up more than 2% before the opening bell Monday. The announcement arrives about one month after Elliott ...

7. Thermostat - Wikipedia

   en.wikipedia.org/wiki/Thermostat

   A thermostat exerts control by switching heating or cooling devices on or off, or by regulating the flow of a heat transfer fluid as needed, to maintain the correct temperature. A thermostat can often be the main control unit for a heating or cooling system, in applications ranging from ambient air control to automotive coolant control.