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Keep your COOL,
and SAVE
money.
Saving energy is more than a fashion statement – saving energy is good for business. Our Cool-n-Save HVAC evaporative pre-cool solutions are profitable, sustainable, and trouble-free. Thousands of our commercial and residential customers now enjoy lower energy bills from running their air conditioners.
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HVAC Evaporative Pre-Cool:
How does it work?
 Cool-N-Save® applies the known benefits of evaporative pre-cooling to increase energy efficiency of central air conditioning systems. The ‘Cool-n-Save Effect’ comes into play anytime that outside air temperatures – what engineers call “ambient temperature” – exceeds 85°F.
Amazingly, at this relatively low temperature, AC units are not very energy efficient. Colorado Springs Utilities estimated that a standard central air conditioning system will use 25% less energy when air temps are at 70° than it does at 95°. Why? All of that hot air cooks the outdoor condensing coils that sit outside of homes and on hot roofs of commercial buildings. The higher the ambient air temp, the harder AC systems must work to keep up with the job of keeping the inside of the building cool.
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Return on investment:
in months not years!
 Third-party tests have shown that Cool-n-Save® Evaporative Pre-Cool Systems produce up to 30% savings on energy use; the average is around 26% depending on conditions and the size of the system (the larger the system, the greater the potential energy savings).
The combined savings in terms of lower energy consumption and reduced maintenance cost are often so lare that many of our clients earn back the cost of installation and equipment well within the first year. READ MORE...
Greenway WINS the 18th Annual TechAmerica High-Tech Innovation Award.
 Greenway Design Group, Inc. has been named the WINNER of the 18th annual TechAmerica/ Harvey Mudd College Green Tech innovation award. We were chosen from hundreds of applicants in recognition for our work with energy-saving evaporative pre-cool misting technology designed for commercial and residential central air conditioning systems. Learn more HERE.
NOTICE: Greenway is Public. Our stock ticker is GDGI.PK. Contact our business development and investor relations department HERE. |
Proven Science,
Proven Technology
 Two university studies - one in 2005 and one in 2009 - demonstrated that evaporative "pre-cool" misting systems, as envisioned by Greenway, can produce a significant increase in energy efficiency of air conditioning systems.
In 2005, Tulane University Department of Mechanical Engineering in New Orleans, LA conducted a thorough study of the Cool-n-Save pre-cool system. Their 29-page report concludes, "The implication from these results is that by using Cool-n-Save, even in a climate that endures high humidity, the heat transfer from the refrigerant to the air is substantially increased. This effect implies that cooler air will be able to circulate throughout a structure and that this will decrease the time the condenser unit runs thus reducing electricity cost to the user."
About the same time, Colorado Springs Utilities launched their own independent study and found that air conditioning equipment will use 25% less energy when air temps are at 70° than it does at 95° - a clear demonstration of the physics when evaporative pre-cooling is applied to standard split system air conditioning.
A few years later, the Department of Building Services Engineering at Hong Kong Polytechnic University did a separate study...
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