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 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

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