Commercial Review
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 | |
| Percent Savings | 20.7% | |
| CCF Savings per Year | 28,589 | |
| CCF Cost per Unit | $0.86 | |
| Annual Dollar Savings | $24,586.54 | |
| Air Krete ECM Cost | $30,854 | |
| Payback Period | 1.25 |
