Cornerstone installs, repairs and provides preventive maintenance service for commercial, State and Federal facilities. We provided quality preventive maintenance and 24 hour on call service for our maintenance customer. They are one of the most dependable and forthright contractors I dealt with in my twenty plus years as a contracting officer.
You can count on them for a fair price and excellent service. Whether the job was small or large you could depend on their professionalism and workmanship. I highly recommend. This philosophy is based on the belief that air conditioning comfort is very important for our customers, their business, and their employees' well-being.
To meet that need is to build trust through good communication with our customers, to make them aware of their air conditioning system performance, and provide superior workmanship. Our Management team has many years of providing courteous customer service. We strive to provide our customers with clear understandable information so that they can make a sound and comfortable decision on their air conditioning system investment.
You can count on them for a fair price and excellent service. Whether the job was small or large you could depend on their professionalism and workmanship. I highly recommend. This philosophy is based on the belief that air conditioning comfort is very important for our customers, their business, and their employees' well-being.
To meet that need is to build trust through good communication with our customers, to make them aware of their air conditioning system performance, and provide superior workmanship. Our Management team has many years of providing courteous customer service. We strive to provide our customers with clear understandable information so that they can make a sound and comfortable decision on their air conditioning system investment.
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