Ayersville Local Schools
Case Study - Energy Savings Analysis Air Krete Masonry Wall Insulation - Swimming Pool Walls (Only) delivered 20.7% savings in the Districts total natural gas use.
The Pool Facility contains only 14,300 square foot (8.81 %) of the complexes total floor space area of 162,394 square foot. The Pool Facilities 13,843 square foot of exterior wall area represents (29.59%) of the complexes 46,780 square foot exterior wall area total.
Air Krete Masonry Wall Insulation is a water-based, fireproof, foam product installed between the 4th face brick and 8th concrete block exterior walls. The material is injected by compressed air pressure through access holes drilled in the mortar joints."
|Base Year Data
Jun 96 - Jul 97
|Retrofit Year Data
Jul 00 - Jul 01
|Natural Gas Use (CCF)||140,050||109,639|
|Heating Degree Days||6,421||6,339|
|CCF per HDD||21.81||17.30|
|CCF Savings per HDD||4.51|
|CCF Savings per Year||28,589|
|CCF Cost per Unit||$0.86|
|Annual Dollar Savings||$24,586.54|
|Air Krete ECM Cost||$30,854|