   For example, a person running is an example of kinetic energy  because they are in â¦ motion. Potential energy is the other form of  energy, which is the energy an object has because of its position,  tension, pressure, or chemical formulation.
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As warmer weather taxes aging air-conditioning systems, the decision whether to repair an older rooftop unit or replace it with a newer, higher efficiency system may loom large for some commercial property owners. Most light-commercial HVAC products are designed for a life expectancy of 15 to 20 years.igher energy bills â HVAC systems average 30 percent of a buildingâs energy consumption. Poor performance can increase energy consumption from 20 to 50 percent.