Air Treatment Systems

Abstract

Air treatment systems and methods of use, including systems useful for both cooling air and heating air; and in some particular aspects a single coil useful for both heating air and for cooling air.

1 .- 20 . (canceled) 
     
     
         21 . A system for treating air,
 the system having a coil,   the coil having fluid pathway structure through which fluid is flowable, the fluid comprising heat exchange fluid,   a housing within which the coil is disposed, and   a pump, the pump within the housing on the coil.   
     
     
         22 . The system of  claim 21  further comprising
 the pump for selectively pumping heating fluid through the fluid pathway structure of the coil to heat air, or the pump for pumping cooling fluid through the fluid pathway structure of the coil to cool air. 
 
     
     
         23 . The system of  claim 21  further comprising
 a first source for supplying heating fluid to the fluid pathway structure for flow to the coil. 
 
     
     
         24 . The system of  claim 23  further comprising
 the pump in fluid communication with the fluid pathway structure for pumping the heating fluid from the first source to the coil and from the coil, 
 the pump for pumping the heating fluid from the coil back to the first source or from the coil to a location outside the housing. 
 
     
     
         25 . The system of  claim 24  wherein the first source is one of:
 a first heated water source from which heated water is flowable to the system and is then flowable back to the first source; 
 a second heated water source from which heated water is flowable and is then pumpable to the system and is then flowable to a drain, reservoir or exhaust; or 
 a heated water source which comprises both a first heated source and a second heated source which can both be used together or one of which can be used separately. 
 
     
     
         26 . The system of  claim 21  further comprising
 a second source for supplying cooling fluid to the coil, 
 the fluid pathway structure including cooling fluid pathway structure for the cooling fluid to flow to the coil and from the coil. 
 
     
     
         27 . The system of  claim 26  further comprising
 the pump in fluid communication with the cooling fluid pathway structure for pumping the cooling fluid from the second source to the coil and from the coil, 
 the pump for pumping the cooling fluid from the coil back to the second source, or from the coil to a location outside the housing. 
 
     
     
         28 . The system of  claim 21  further comprising
 a control system, the control system for selectively controlling the pump and including thermostat apparatus for selectively setting a desired temperature for the air adjacent the system. 
 
     
     
         29 . The system of  claim 21  further comprising
 a heated water source for providing heated water to the pump for pumping to the coil, the heated water flowing by gravity from the heated water source to the pump. 
 
     
     
         30 . The system of  claim 29  further comprising
 the heated water source is a hot water system for providing hot water, the hot water system being an existing hot water system of a house, of a building or of a facility, from which hot water is flowable, the hot water returnable to the hot water system or not. 
 
     
     
         31 . The system of  claim 21  further comprising
 the coil for use in treating air, the air flowable with respect to the coil, the fluid pathway structure having at least one fluid pathway for heated fluid for use in heating air, and at least one fluid pathway for cooling fluid for use in cooling air. 
 
     
     
         32 . The system of  claim 21  further comprising
 the coil for use in treating air, the air flowable with respect to the coil, the fluid pathway structure having a fluid flow pathway for heated fluid for use in heating air, and a plurality of fluid flow pathways for cooling fluid for use in cooling air, the fluid flow pathway for heated fluid disposed 
 more interior to the coil than the plurality of fluid flow pathways for cooling fluid, 
 among the plurality of fluid flow pathways for cooling fluid, or 
 one of the fluid flow pathways for cooling fluid closer to an outer edge of the coil than the fluid pathway for heated fluid. 
 
     
     
         33 . The system of  claim 21  further comprising
 the fluid pathway structure having 
 a fluid flow pathway for heated fluid for use in heating air, and 
 a fluid flow pathway for cooling fluid for use in cooling air, 
 the coil having an outer edge, the fluid flow pathway for heated fluid further from the edge than the fluid flow pathway for fluid for use in cooling air. 
 
     
     
         34 . The system of  claim 21  further comprising,
 the coil having a first outer edge and a second outer edge spaced apart from the first outer edge, 
 the fluid pathway structure including
 a fluid flow pathway for heated fluid for use in heating air, 
 a first fluid flow pathway for cooling fluid for use in cooling air, 
 a second fluid flow pathway for cooling fluid for use in cooling air, 
 the fluid flow pathway for heated fluid further from the first outer edge than the first fluid flow pathway for fluid for use in cooling air, and 
 the fluid flow pathway for heated fluid further from the second outer edge than the second fluid flow pathway for fluid for use in cooling air. 
 
 
     
     
         35 . A system for treating air,
 the system having a coil,
 the coil having fluid pathway structure through which fluid is flowable, the fluid comprising heat exchange fluid, 
   a housing within which the coil is disposed, and   a pump, the pump within the housing and disposed so that at least a portion thereof is encompassed by part of the coil,   the pump for selectively pumping heating fluid through the fluid pathway structure of the coil to heat air, or the pump for pumping cooling fluid through the fluid pathway structure of the coil to cool air,   a first source for supplying heating fluid to the fluid pathway structure for flow to the coil,   wherein the first source is a hot water system for providing hot water, the hot water system being an existing hot water system of a house, of a building or of a facility, from which hot water is flowable,   the first source being one of a first heated water source from which heated water is flowable to the system and is then flowable back to the first source, a second heated water source from which heated water is flowable and is then pumpable to the system and is then flowable to a drain, reservoir or exhaust, or a heated water source which comprises both a first heated source and a second heated source which can both be used together or one of which can be used separately,   the pump in fluid communication with the fluid pathway structure for pumping the heating fluid from the first source to the coil and from the coil,   the pump for pumping the heating fluid from the coil back to the first source or from the coil to a location outside the housing,   a second source for supplying cooling fluid to the coil,   the fluid pathway structure including cooling fluid pathway structure for the cooling fluid to flow to the coil and from the coil,   the pump in fluid communication with the cooling fluid pathway structure for pumping the cooling fluid from the second source to the coil and from the coil,   the pump for pumping the cooling fluid from the coil back to the second source, or from the coil to a location outside the housing, and   a control system, the control system for selectively controlling the pump and including thermostat apparatus for selectively setting a desired temperature for the air adjacent the system.   
     
     
         36 . A coil for an air treatment system, the coil comprising
 coil structure disposable within a housing, and   a pump, the pump disposable within the housing.   
     
     
         37 . The coil of  claim 36  further comprising
 the coil for use in treating air, the air flowable with respect to the coil, the coil having fluid pathway structure having at least one fluid pathway for heated fluid for use in heating air, and at least one fluid pathway for cooling fluid for use in cooling air, 
 the coil having a first outer edge, the fluid flow pathway for heated fluid further from the first outer edge than the fluid flow pathway for fluid for use in cooling air. 
 
     
     
         38 . The coil of  claim 37  further comprising
 the coil having a second outer edge spaced apart from the first outer edge, 
 the fluid pathway structure including 
 the at least one fluid flow pathway for cooling air comprising a first fluid flow pathway for cooling fluid for use in cooling air and a second fluid flow pathway for cooling fluid for use in cooling air, 
 the fluid flow pathway for heated fluid further from the first outer edge than the first fluid flow pathway for fluid for use in cooling air, and 
 the fluid flow pathway for heated fluid further from the second outer edge than the second fluid flow pathway for fluid for use in cooling air.