Energy Factor Chart
w w w . p e x s u p p l y . c o m • 8 8 8 . 7 5 7 . 4 7 7 4
P E X R E S O U R C E SP E X R E S O U R C E S
The Energy Factor: Natural Gas
U4-TW-60T6FRN
Continued on page next page.
**478 Models have a 0.64 Energy Factor (ex: M-1-TW-40S6FBN-478).
*Calculated using the updated National Average Fuel Cost.
50 GALLON CAPACITY
INSULATION
ESTIMATED ENERGY FIRST HOUR
MODELS YEARLY COST* FACTOR RATING
LEED POINTS
M-I-
5036FBN 1 $315 .58 89 /
U1-5036FRN
1 $315 .58 90 /
M-I
-50L6FBN 1 $315 .58 88 /
U1-50L6FRN
1 $315 .58 86 /
M-I
-504S6FBN 1 $315 .58 93 /
U1-504S6FRN
1 $315 .58 92 /
M-4
-5036FBN 2 $294 .62 89 1
PE4-5036FBN
2 $294 .62 89 1
D-4
-504S6FBN 2 $272 .67 86 1
U4-5036FRN
2 $294 .62 90 1
M-2
-XR504T6FBN 2 $309 .59 103 /
PE2-XR504T6FBN
2 $309 .59 103 /
U2-XR504T6FRN
2 $309 .59 91 /
C-DW2-504T10FBN
2 $309 .59 102 /
C-SW2
-504T10FBN 2 $309 .59 102 /
C-DW2-TW-
50T10FBN 2 $276 .66 108 1
C-SW2
-TW-50T10FBN 2 $276 .66 108 1
DS1-50S6FBN
1 $315 .58 90 /
DH1-504T6FBN
1 $315 .58 93 /
M-1
-TW-50S6FBN** 1 $290 .63 86 1
M-
4-TW-50T6FBN 2 $272 .67 86 1
M-
2-TW-50T6FBN 2 $276 .66 108 1
U1-TW-50S6FRN
1 $290 .63 86 1
U4-TW-50T6FRN
2 $272 .67 86 1
U2-TW-50T6FRN
2 $276 .66 101 1
PDX2-
50T6FBN 2 $294 .62 105 1
PDX1-
50S6FBN 1 $294 .62 88 1
M-
I-60T6FBN 1 $326 .56 101 /
U-
I-60T6FRN 1 $326 .56 96 /
M-
4-60T6FBN 2 $309 .59 101 /
U4-60T6FRN
2 $309 .59 96 /
M-
1-TW-60T6FBN 1 $294 .62 100 1
M-
4-TW-60T6FBN 2 $272 .67 98 1
U1-TW-60T6FRN
1 $294 .62 100 1
2 $272 .67 98 1
60 GALLON CAPACITY
INSULATION
ESTIMATED ENERGY FIRST HOUR
MODELS YEARLY COST* FACTOR RATING
LEED POINTS