Purchasing Energy-Efficient Light Commercial Heating and ...

Author: Evelyn

Apr. 29, 2024

Purchasing Energy-Efficient Light Commercial Heating and ...

PERFORMANCE COLUMN

Energy Efficiency Ratio (EER): The ratio of the cooling capacity to the power input.

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Annual Energy Use: Based on the test method referenced in 10 Code of Federal Regulations (CFR) 430, Subpart B, Appendix M.

Annual Energy Cost: Calculated based on an assumed electricity price of 8.6¢/kWh, which is the average electricity price at federal facilities.

Lifetime Energy Cost: Future utility price trends and a 3% discount rate are from Annual Supplement to NIST Handbook 135 and NBS Special Publication 709, Energy Price Indices and Discount Factors for Life Cycle Cost Analysis – 2022 (NISTIR 85-3273-37 update 1).

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Lifetime Cost Savings: The difference between the lifetime energy cost of the less efficient model and the lifetime energy cost of the ENERGY STAR model or best available model.

BEST AVAILABLE MODEL COLUMN

Calculated based on the September 2022 ENERGY STAR Qualified Products List. More efficient models may be introduced to the market after FEMP's acquisition guidance is posted.

ENERGY STAR MODEL COLUMN

Calculated based on September 2022 ENERGY STAR efficiency levels. Federal agencies must purchase products that meet or exceed ENERGY STAR efficiency levels.

LESS EFFICIENT MODEL COLUMN

Calculated based on typical products used in non-federal applications.

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