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Old 04-02-2008, 04:26 PM   #1
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Space around the HVAC unit?


When our HVAC was being installed a few years ago I asked the technician about closing off part of the area for storage. I seem to remember him saying that we needed to leave space for unit to vent. I want to say he told us to leave about 2-3 feet around the unit on all sides to allow for repairs and ventilation. Is this true? We are about to frame part of the area and I want to make sure we aren't creating a fire hazard.

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Old 04-03-2008, 02:49 PM   #2
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Space around the HVAC unit?


If you have the original paperwork for the unit it will list the necessary clearances. Most onits look for about 10-12 inches to the rear, 6 inches on each side and 24 inches to the front. Please be sure to leave enough space to allow proper service.

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Old 04-03-2008, 06:54 PM   #3
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Space around the HVAC unit?


Each unit has its own specs to allow for clearance. When I close mine in I will leave at least 3 feet all the away around to allow for service and the removal of the units if need be.
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Old 04-10-2008, 06:13 AM   #4
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Space around the HVAC unit?


Most manufacturers now allow a 1" clearance from combustibles on sides and back and a 24" minimum on the front. There is no servicability from the back or sides and the cabinet is well insulated. The front clearance is for service and you must be able to remove the blower unit from the cabinet. I like at least 30" on the front for this.
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Old 04-10-2008, 08:27 AM   #5
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Space around the HVAC unit?


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Most manufacturers now allow a 1" clearance from combustibles on sides and back and a 24" minimum on the front. There is no servicability from the back or sides and the cabinet is well insulated. The front clearance is for service and you must be able to remove the blower unit from the cabinet. I like at least 30" on the front for this.
you are talking of a furnace. for out door condenser 24 inch all the way around but each mfg. builds differantly. serviceing the entreance area at least 24 in min. where it is just the coil/louver area minumum of 12 "... Ive seen in worst cases 6" at the coil/louver area. less then 12" then you could create a air flow across the coil problem and give less cooling
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Old 04-10-2008, 10:23 AM   #6
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Space around the HVAC unit?


Since the original poster mentioned storing things around the unit and wanting to begin framing, I assumed it was in the basement and would be a furnace. There is nothing to indicate it might be a condensor.
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Old 04-11-2008, 07:19 AM   #7
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Space around the HVAC unit?


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Since the original poster mentioned storing things around the unit and wanting to begin framing, I assumed it was in the basement and would be a furnace. There is nothing to indicate it might be a condensor.
you are correct , I guess i was over thinking
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Old 04-11-2008, 11:08 AM   #8
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Space around the HVAC unit?


No problem. I've posted some real doozies myself!
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Old 04-16-2008, 12:50 PM   #9
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Space around the HVAC unit?


How much clearance does one of those fancy air cleaners need? Looks as if the filter only pulls out sideways meaning you need another 24" to one side. Which leads me to another question. What is the difference in upflow and sideflow in terms of where the return ductwork meets up with the furnace/airhandler? And if upflow means the return air truly comes up directly underneath the air handler how does one of those types of air cleaner get installed? Many thanks.

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