EPI can reduce your company's energy cost by 15% to 35%. We reduce commercial and industrial buildings carbon emissions and stop corrosion on your commercial HVAC units instantly. One application of EPI's Energy star proprietary system extends the life of your existing roof top mounted HVAC system and restores your unit back to 95% of its original performance ability. We reduce the run time of your HVAC unit while making it more efficient then ever before. We are an Energy reducing company who's technology and service add 15% to 35% or more dollars to your bottom line immediately. For a free evaluation of how much Energy Performance International can actually save your business call us today. BBB accredited. Energy Star approved.