new house being built have two hvac quotes (i sent drawing to 3 hvac company) 2 sent back pricing & discription
contractor a 4 ton w/ 6" flex duct installed
contractor b 3 ton & no spec on duct.
the 3 ton is higher than 4 ton
question is :which one is correct size for house? contractor b said he run loads contractor a did not say.
contractor b seems to be familiar with this type of structure said very tight type of bldg
house discription : 1800 sq ft (36x50x10 4/12 w/36x19' carport on west side 18" overhangs) all steel engineered it has a r10 house wrap ( 3"fiberglass vinyl backing) on roof & walls (metal panel) 6" steel stud walls w r19
8'0 ceiling w/ r30 duct work will be in ceiling
9- low-e windows (2 north side, 1 east side 1 west side 5 south side) will use good doors
contractor a 4 ton w/ 6" flex duct installed
contractor b 3 ton & no spec on duct.
the 3 ton is higher than 4 ton
question is :which one is correct size for house? contractor b said he run loads contractor a did not say.
contractor b seems to be familiar with this type of structure said very tight type of bldg
house discription : 1800 sq ft (36x50x10 4/12 w/36x19' carport on west side 18" overhangs) all steel engineered it has a r10 house wrap ( 3"fiberglass vinyl backing) on roof & walls (metal panel) 6" steel stud walls w r19
8'0 ceiling w/ r30 duct work will be in ceiling
9- low-e windows (2 north side, 1 east side 1 west side 5 south side) will use good doors
