about a year ago i had a goodman furnace 70,000 btu and heatpump 3 ton put in. they set the cfm to high 1449 cfm. is that to high? medium is 1192. i know from being on this sit it should be about 400 cfm per ton. i have about a 21 degree drop at the a coil. is there something i dont understand? should it be at 1449cfm or should i call someone out to to look at it and set it to 1192 if need be? my furnace is GMH95 0703BXA and here is a link for the cfm http://www.goodmanmfg.com/Portals/0/pdf/SS-GMH95.pdf thank you chris