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 - "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

About Tech Randy - "Randy is always professional and we trust him to repair our appliances "

Bob & Judy, Elgin

About Tech Bob - "Service was great. Very pleased he had the needed part in the truck and was able to installed it within minutes. "

Dawn / David, Elgin

About Tech Bob - "Top quality service with a very professional and well trained technician."

Janet, South Elgin

About Tech Randy - "Cornerstone always goes above and beyond! I have used them for years on my personal and investment properties."

Darryl & Amanda Martin, North aurora

About Tech Randy - "Randy did a very professional job replacing my oven igniter in my antique 1978 Tappan range. Amazing that the part is still produced by/for Electrolux. Randy diagnosed the problem quickly and then made the repair with my consent. Thank you !!!!"

Jay, Bartlett

About Tech Randy - "Great experience as always!"

Amy, Elgin

About Tech Randy - "Everything was great. Dryer is quiet again and working well!"

Cheryl, Saint Charles

About Tech Randy - "Excellent service from Randy, as always! We are very pleased with Cornerstone every single time they have helped us out. Many thanks for this."

Beth, Elgin

About Tech Bob - "Very happy with the service, the technician, and would definitely use Cornerstone in the future."

Carm, Hoffman Estates

About Tech Bob - "Tech was excellent."

Joe, Elgin

About Tech Bob - "Bob was great!"

Rod, Saint Charles

About Tech Bob - "I will definitely recommend this company to any who ask. The technician was knowledgeable, courteous. "

Howard and Gloria, Elgin

About Tech Randy - "Randy is always professional, reliable and honest. I will use him to fix all my appliances."

Pilar, Saint Charles

About Tech Bob - "Bob was our Technician on our recent appointment, and he did a great job. Provides info on what needs to be done, provides options, and follows up on the parts that are needed for the necessary repairs. I will always recommend Cornerstone anytime."

Bob, Elgin

About Tech Bob - "Cornerstone is always honest and reliable."

Tom, Elgin

About Tech Bob - "Never a problem with your company."

Chuck, Elgin

About Tech Randy - "Randy was awesome and went out of his way to grab a part and install it all within an hours time. "

Ashley, Elgin

About Tech Bob - "Cornerstone will always be the repair service company for us. They are honest and we trust them implicitly. This company is the best, and we have recommended them to our family, for sure, and our friends."

Joseph and Georgianne, Schaumburg

About Tech Bob - "Courteous and respectful "

Jim, Algonquin

About Tech Bob - "Thanks. As always, great service! "

Warren and Carole, Elgin

About Tech Bob - "I have used cornerstone several time for my rental properties and have always been satisfied with the quick response. Will continue to use them for appliance repairs."

Scott R., Elgin

About Tech Bob - "Bob was great and I really appreciate your company being able to get me in earlier than our scheduled day. Happy wife, happy life! If I ever need service again, I will definitely be calling you!"

Eric, Elgin

About Tech Randy - "My technician was very knowledgeable and professional! "

Ed and Olga, Saint Charles

About Tech Bob - "Had scheduled an appointment and technician became available several days earlier. It worked out great for me and my appliance was back in working order sooner than I expected. Thanks "

Mark and Pam, Carpentersville

About Tech Randy - "Randy did a great job and was very prompt and helpful."

Michael, Geneva

About Tech Bob - "Bob did a wonderful job as always. Will continue to use your services for all our rental properties as long as we can have Bob out to do the work. Thank you."

Ronda Feltes, Bartlett

About Tech Randy - "Have used Cornerstone before and would use again. Repairman are very knowledgeable and with your 90day warranty I feel confident that my appliance will be correctly repaired."

Diane, Elgin

About Tech Bob - "We have always been pleased with Cornerstone. No complaints at all!"

Dorothy, Elgin

About Tech Randy - "Cornerstone is our “go to” for appliance repairs & has been for at least 15 years. Fair costs & excellent, timely service. "

John and Michele, Batavia

About Tech Bob - "Had Cornerstone out twice since we moved in. We have been very satisfied both times and have given your refrigerator magnets to some of our neighbors. GREAT SERVICE."

Al, Huntley

About Tech Randy - "Randy did a great job and he would be welcome in my home at any time."

Ron, Elgin

About Tech Randy - "Very satisfied. - job well done"

Penny, Elgin

About Tech Bob - "Very nice gentleman. Explained everything. Great job. "

Jenny or Wilma, Elgin

About Tech Randy - "Very satisfied. - job well done"

Penny, Elgin

About Tech Bob - "Will neighbors about you if they need any work done. Have been very satisfied wilh all three visits"

Barb, Bloomingdale

About Tech Randy - "Randy was outstanding!"

William, Saint Charles

About Tech Randy - "Cornerstone has always been our go to, very professional and reasonable prices"

Mike, South Elgin

About Tech Randy - "The repairman who serviced us was the best ever to work in my home He went above and beyond the expected A true Christian man who treated me very fairly absolutely would call for service again and hope he is assigned to my call Thank you for all "

Barbara, Elgin

About Tech Randy - "I was very impressed with your service. I’ll call you again when needed and will refer you to friends in need. "

Kathleen, Saint Charles

About Tech Randy - "Randy did a great job working through the symptoms and the issues."

Joel and Linda, St. Charles

About Tech Randy - "Very happy with the service on my oven from Cornerstone. Randy was professional and honest. He did a great job and would not hesitate to recommend him to family and friends."

Silvia, South Elgin

About Tech Randy - "This was very professional and the tech was nice, thoughtful in his explanations and got the job DONE! Thank you!"

Katie and Ted, West Chicago

About Tech Randy - "Very satisfied."

Scott, South Elgin

About Tech Randy - "Randy’s 2nd visit. Both times he made repairs with parts he had on hand when other tech’s would’ve insisted on a more expensive replacement. Randy is an asset to your company; dependable, personable & knowledgeable. We will recommend Cornerstone."

Theresa, West Chicago

About Tech Bob - "All your personnel are excellent. Your service has been the best for all the years we've used your services. "

Bernd and Claudine, Elgin

About Tech Bob - "This was the best service experience I've ever had. I saw the truck at a neighbor and called the number on the side. Within 5 minutes that technician was in my house to fix my oven. Many people will hear of this fun story. "

Michael, Elgin

About Tech Randy - "Our technician did a very thorough job checking all possible sources for the leak from our dishwasher. I was very happy that he made no assumptions before recommending the necessary steps to repair it. "

Mike and Megan McGarr, Elgin

About Tech Bob - "Recommended by another company I use for work since they don’t travel out by me, so glad I called. Very professional, and friendly. I will definitely use again in the future and will recommend to others! "

Cindy, Huntley

About Tech Bob - "Very professional and knowledgable. Everything works great."

Laura and Joe, Bartlett