James Carminito

5 STAR REVIEW … Scott has been servicing mine and many of our neighbors HVAC units. I can’t say enough about how honest, reasonable, and conscientious he takes his business. He treats his customers very well and is always clear and upfront. I’ve always been extremely pleased with the service and responsiveness I get from Scott. You won’t regret using Cornerstone HVAC!!

Eric Lui

5 STAR REVIEW … Scott installed a tankless water heater replacing my existing leaky water heater. Professional, knowledge and honest. I was very happy with his responsiveness to my questions and quality of service.

Jessica Smith

5 STAR REVIEW … Quick response and Excellent service. Highly recommend!

Judith Morgan

5 STAR REVIEW … Our furnace stopped working during the night. The outside temp was 10 degrees, so it was getting cold fast! We called Scott at 6am Sunday morning and he was here before 7 am. He got our furnace working. He came back the next day to install the new part. Fantastic service.

Andy Hitz

5 STAR REVIEW … Highly recommended. Scott was honest, responsive, extremely helpful, and knowledgeable. Pricing was very reasonable and worth every penny for the system and service we received.

Tom Donofrio

5 STAR REVIEW … I had Scott look my HVAC over for a fall tune up. He found a Freon leak. Ordered the inside coil, it was under warranty thank God, installed it and the unit works great. He goes the extra mile and he is honest.

Lindsay Podsobinski

5 STAR REVIEW … My husband called Scott on Monday and he came out the very next day at 9 am because he wanted to make sure if we needed a part we could get it before the holiday. He explained everything to my husband and even showed him the part in question. He was back out the very next day and even charged us less then what he quoted because the work “went easier than planned!” We would definitely and highly recommend Cornerstone to our family and friends!

Nancy Major

5 STAR REVIEW … This is without a doubt the best experience I have had with a businessman. Scott Shaw is above reproach and does an excellent job! I can’t say enough about his service! He is also extremely reasonable price-wise!

Joe Sombers

5 STAR REVIEW … Fast , professional, reasonable prices. Now my regular HVAC go to. Would highly recommend to anyone needing HVAC services.

Clay Breece

5 STAR REVIEW … My wife and I were extremely satisfied with the attention given to our particular situation. Cornerstone HVAC will not attempt to “upsell” you to add to the bill. Cornerstone HVAC will always act in the best interest of the customer. I highly recommend these people. Honesty, Integrity, and Hard Work are characteristics I would use to describe Cornerstone HVAC.

Jessica Pichardo

5 STAR REVIEW … Scott was wonderful, he took the time to explain everything to us. He was quick to get the water heater installed. He has reasonable prices I would highly recommend him!

Bruce Lord

5 STAR REVIEW … We would highly recommend Scott / Cornerstone HVAC to anyone. He installed a new system (AC/ Gas Heater) in one day. He took the time to explain everything for us and gave us a very reasonable price.

Amanda Foley

5 STAR REVIEW … We have worked with Scott for many years – he is honest and trustworthy and we have always valued his deep knowledge and expertise. When it was time to replace our HVAC system, he developed a customized plan to reconfigure our duct work for max efficiency and we were even able to add extras like an air purification system and come in significantly below estimates from other vendors. His work and service are excellent, and he installs high quality products. We highly recommend Scott/Cornerstone!! Amanda & George Foley

Charles Schneider

5 STAR REVIEW … I highly recommend Scott Shaw (Cornerstone) as he was more than fair in his pricing and he did an excellent job in the install.

I couldn’t have asked for a better experience in the purchase and installation of my new heating/AC system.  Scott took the time to make sure I understood my options, and his simple explanations made me feel confident that I was making an educated decision.  The level of service and professionalism was top-notch.  The only downside is that, Lord willing, I won’t need to buy another system from him for a long time!

– James

Scott was very trust worthy in his assessment to fix my AC. He provided his recommendation on what AC to go with and how he would go and deploy the new AC. His price was competitive and he’s also very quick to get things done. I’m a happy customer and would recommend Scott to any one!

– Tinh

Scott has been servicing our heating, air conditioning, and whole house dehumidifier for 6 years. He is simply the best. He has integrity, is highly skilled, and truly cares about his customers. I have yet to meet another technician or HVAC company like Scott’s. None compare. I give Scott and Cornerstone HVAC my highest recommendation.

– Joan F.
Phoenixville, PA