For service, call:  
847-741-8600  

Testimonials

Read about our great service on Google.com, Yahoo/Yelp, Angie's List, Checkbook.org, BBB.org

Current Testimonials (within last 6 months)

About Tech Randy - "Randy knew exactly what was wrong with the dryer. He was very respectful. 2nd time using Cornerstone and you are my 1st and only choice. Price is fair. "

Chembe, Elgin

About Tech Bob - "Arrived on time and fixed the washing machine quickly. Was professional and friendly. "

Morgan, Hampshire

About Tech Bob - "I have to admit I was impressed by the repair from start to finish. Professional, courteous, and diagnosed the issue fast. Service tech was really nice and repaired it quickly. I will offer Cornerstone to everyone. Thank you!"

Steve, Elgin

About Tech Bob - "Excellent service!"

Cindi, Schaumburg

About Tech Bob - "You came recommended and I wasn’t disappointed. Very good service....prompt, polite, expedient I will be back"

Jacque, Huntley

About Tech Bob - "I would totally recommend your company."

Kathy, Cary

About Tech Bob - "Excellent service, always on time and friendly. Answered any additional information I wanted to know about my appliances! "

Robert & Susan, South Elgin

About Tech Bob - "I am grateful you are available. So nice to have had years of trusted service. Thanks "

Paula, Batavia

About Tech Randy - "Randy the Technician was very knowledgeable, professional & courteous. I would highly recommend Cornerstone to others."

Mark & Deanna, Saint Charles

About Tech Bob - "I am grateful you are available. So nice to have had years of trusted service. Thanks "

Paula, Batavia

About Tech Bob - "Bob was awesome and a great guy too! Thanks for bringing my fridge back to life!"

Tom, Elgin

About Tech Bob - "would not change anything. Thanks"

Patti, Elgin

About Tech Bob - "We have been calling Cornerstone for all of our appliance needs. We would all anyone else. They are honest, fair , and standby their work ethics. I have recommended this company to a few of our family members because they are so good."

Joseph and Georgianne, Schaumburg

About Tech Randy - "We have always had excellent service from your company."

June, St. Charles

About Tech Randy - "I have my house plus several rental homes. I use Cornerstone for all of my appliance repair needs. Cornerstone Is The Best !"

Jerry, Saint Charles

About Tech Randy - "I appreciated how knowledgeable, courteous And helpful Randy was. I will happily call again when we need another repair! "

Katie, Saint Charles

About Tech Randy - "Had Cornerstone out on multiple occasions for different problems. Always friendly, courteous, and conscientious. Problems have been properly diagnosed and corrected. "

Paul, South Elgin

About Tech Randy - "Randy did a great job of cleaning out the dryer vent. The dryer works great now!"

Carlene, Batavia

About Tech Randy - "Great job repairing our oven came one time to see what the problem was , came back same day with the parts he needed very professional would recommend Randy in a heartbeat very professional. Been using him for years no better than Randy. "

Paul or Mary Ann, Batavia

About Tech Bob - "We are return customers and appreciate how quickly you accommodate our request for service, the work completed, and the explanations of what you see and how it was repaired. You are always the first call we make when we need appliance repairs. "

Jeff & Debbie, Huntley

About Tech Bob - "Bob was very knowledgable, professional and courteous. No doubt, the next time we have an issue on any of our appliances, with no hesitation we will definitely call Cornerstone. Thank you for your efficient and effective help."

giovanni, Huntley

About Tech Randy - "Very pleased with your first rate service."

Joe, Saint Charles

About Tech Randy - "Excellent service, would definitely use Cornerstone again!"

Kristen, Saint Charles

About Tech Randy - "Tech was professional, and helpful. He showed me some things to do to prevent further issues with the ice maker. Worked like new when finished."

Jamie / Sean, Hampshire

About Tech Bob - "Super friendly, professional and efficient"

Sarah, Elgin

About Tech Bob - "Thanks to Bob for getting us back up and running!!!"

Jim, Algonquin

About Tech Randy - "Excellent service and professional.Randy was excellent and thorough. "

Alexandria, Saint Charles

About Tech Randy - "Cornerstone has consistently been an excellent appliance service company. Reasonable and appreciate honesty about repairs and never felt that I did not receive value from every service call no matter what the appliance. Thank you. "

Cheri, Saint Charles

About Tech Bob - "We were very pleased with the technician and quality of their work in identifying the problem, the cost, and quickness of the repair. We would have liked to know the cost of the service call ahead of time but did not ask when we called. "

Karen, Bartlett

About Tech Randy - "While there was a miscommunication on the original day and time, the staff worked very quickly to resolve the issue and the technician was fantastic. I would absolutely recommend Cornerstone! "

Travis, Saint Charles

About Tech Bob - "great rep from your company"

Kathy, Hoffman Estates

About Tech Randy - "Definitely would recommend"

Monica, Elgin

About Tech Bob - "Bob was awesome, as usual - thank you!"

Grace and Jason, Algonquin

About Tech Randy - "We are very satisfied with our experience with Cornerstone Appliance. They will be our first call when the need next arises, and I am sure it will. I will also pass this good experience on to my many friends in various clubs here in Sun City. Thanks!"

Sandy, Huntley

About Tech Randy - "we have used Randy"s company for several years. I will not use anyone else. "

Robert & Jamie, Bartlett

About Tech Randy - "Cornerstone Technician arrived with the appropriate tools, knowledge and experience to perform the necessary testing and correctly diagnose the control board failure. Repairs completed the same day using "in-stock" OEM parts. Appliance runs like new!"

Randy, Elgin

About Tech Randy - "Great service, the technician was professional and knowledgeable. "

Grace, Elgin

About Tech Bob - "The Technician did a Great Job Thank You "

Larry & Sara, Elgin

About Tech Bob - "Very pleased! First time using Cornerstone after seeing 5 stars on Internet-and I totally agree-would give them more stars if I could!"

Bonnie, Algonquin

About Tech Bob - "Excellent technician, Bob. The office support staff is courteous and professional as well. When I'd leave a message, someone would return my call immediately. I would definitely use Cornerstone again, and I would recommend them to others."

Celia, Bartlett

About Tech Randy - "Excellent response time, professionalism, and overall experience to repair a front load washer . I will definitely use Cornerstone for any future repairs. Thank you! "

Diane, Elgin

About Tech Randy - "Honestly the best appliance experience I have ever had. We used Cornerstone one time before many years ago and the experience was that good that I wouldn’t have thought to call anybody else. Everything was explained fully and problem fixed right!"

Lauren, Gilberts

About Tech Randy - "You have operated at a consistently high quality over the years, and we are glad to give you our business."

Tom, Huntley

About Tech Randy - "This was the second time I used Cornerstone.Both times issue with fridge was fixed. I have great faith and trust in your company!"

Debra, Elgin

About Tech Randy - "Randy's the best! Always prompt in responding, more than fair in price, and honest about whether it's worth fixing or not. Call them, you'll be glad you did! "

Linda, Elgin

About Tech Bob - "Thank you so much! Bob was outstanding! Nice guy, knowledgeable and was able to take care of my fridge problems with one visit!"

Marisa, Elgin

About Tech Randy - "Thank you for expedient and honest service."

Mary, Wayne

About Tech Bob - "Due to a cancellation, the technician was able to come early. He was friendly, but professional. He explained everything to me. I will definitely use your services in the future, if I need them. I have also told other family members about you."

Kay, Elgin

About Tech Randy - "Randy was very professional, knowledgeable and courteous. He diagnosed the problem and told us what it would cost to repair. He got the parts ordered and completed the repairs. I would use services from cornerstone again"

Jose, Saint Charles

About Tech Randy - "Great job as always, from the office help and Randy"

Mary Ellen, Saint Charles

About Tech Bob - "Cornerstone is the best! Thanks "

Jerry, Saint Charles

About Tech Randy - "We have been using Cornerstone for 28 years. Never a problem, always satisfied with great service. Would highly recommend. "

John & Danielle, Hampshire

About Tech Bob - "Bob is great! He worked on our oven previously and now our dryer. Both work great! He was really easy to deal with, and was happy to explain how things should work and why. I will keep using you in the future!"

Jeffrey, Huntley

About Tech Randy - "Thank you for taking the time to show me how to do preventative maintenance on my appliance. This shows me that you care about the customer, and for this, I will always use Cornerstone."

Pelayo, Elgin

About Tech Randy - "Another outstanding service call by Randy. We highly recommend Cornerstone!"

William, Saint Charles

About Tech Bob - "Bob is great! He worked on our oven previously and now our dryer. Both work great! He was really easy to deal with, and was happy to explain how things should work and why. I will keep using you in the future!"

Jeffrey, Huntley

About Tech Bob - "Bob is great! If we have any appliance repairs in the future he will do them I hope. "

Dan, Hampshire

About Tech Randy - "always a great job"

Mary Ellen, Saint Charles

About Tech Bob - "I was very pleased with the service provided by Cornerstone. The technician was knowledgeable, professional, and personable. He explained the problem and showed me as well. I appreciated that he invited me to see his finished work. "

Rebecca, Streamwood