Customer Sign In • Call Tracker

We are fortunate to have such a great team here of technicians and office staff that genuinely care about what they do, and have the flexibility in their job to make things right if something does happen to go wrong. If you received a service invoice, enter the code below. We do not edit or suppress bad reviews.

If you ever run into any problems with a visit, one of our employees, or our services or products, PLEASE reach out. As a word of respect please give the company the chance to address any problems before leaving a bad review. Reviews left on this system cannot be edited after the fact.

Reviews Summary

Overall / Last
Total Reviews: 4400
Last Review: 02/06/26 1:19 pm
From: PAMELA & MICHAEL in APPLETON
Last Overall: 5 Stars.
Average Ratings
Overall: 4.97 stars.
Timeliness: 4.96 stars.
Quality: 4.97 stars.
Value: 4.94 stars.
Most Reviewed
🥇 APPLETON (2262)
🥈 NEENAH (611)
🥉 MENASHA (391)
👍 GREENVILLE (264)

Recent Reviews

Posted 10 hours ago.
Pamela & Michael in Appleton on 02/06/26
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Posted 12 hours ago.
Mark & Mary in Kimberly on 02/06/26
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Mark & Mary said: James was pleasant, efficient and on time for our 8am appt. I would highly recommend him and Christensen Wisnet for anyone's HVAC needs. Thank You
Posted 13 hours ago.
Myron & Suzanne in Menasha on 02/06/26
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Posted 16 hours ago.
Patricia in Appleton on 02/06/26
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Patricia said: JAMES WAS GREAT. KNOWLEDGEABLE, POLITE,EFFICIENT AND ARRIVED IN A TIMELY FASHION. ALL YOUR EMPLOYEES ARE GREAT. YOU SHOULD CHANGE YOUR NAME TO THE GREAT GUYS.
THANKS AGAIN, PATTY BOSIN
Posted 29 hours ago.
Chris & Mary in Appleton on 02/05/26
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Chris & Mary said: James was knowledgeable and answered all my questions!
Posted 29 hours ago.
Richard & Catherine in Appleton on 02/05/26
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Richard & Catherine said: The service technician was professional and preformed his work well. Nice fellow.
Posted 32 hours ago.
John & Beverly in Appleton on 02/05/26
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John & Beverly said: Just to put closure to this wonderful experience____On 2/2/26, Eric did a great job completing the annual maintenance on our York furnace which was 22 years old. On 2/3/26, we called the Good Guys because our furnace quit. Eric returned and based on the issues he identified during the maintenance, he began to inform us that we would be facing around $2500 in the very near future. After considerable discussion, we decided to purchase a new furnace. On 2/3/26 Steve came to share his experience and recommendations for a new furnace. Since they would not be able to install the new furnace until 2/5/26, he loaned us 3 room heaters to use in addition to our fireplace to stay warm( which worked very well). On 2/5/26 Andy and Bill arrived on time and installed our new furnace without any problems and instructed us on our new smart thermostat. Thanks to all of them for a "job well done".
Posted 1 days ago.
Jim in Greenville on 02/05/26
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Jim said: Evan was prompt, polite, answered my questions and completed a thorough inspection...Top notch Technician!!
Posted 3 days ago.
Tom And Thersa in Hortonville on 02/04/26
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Tom And Thersa said: All went well with tune up,Josh was on time-actually early which was fine by me.Explained everything to me about things that could go wrong in future.
Posted 3 days ago.
Dan & Toni in Greenville on 02/04/26
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Posted 4 days ago.
Jose in Appleton on 02/02/26
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Posted 7 days ago.
Mike & Sue in Neenah on 01/30/26
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Mike & Sue said: Friendly and efficient.
Posted 7 days ago.
Vicki in Appleton on 01/30/26
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Vicki said: James came on time and did a great job. I really appreciate The Good Guys Co. Yearly maintenance is very helpful and prolongs the life of my furnace.
Posted 9 days ago.
Gordon & Lois in Neenah on 01/29/26
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Posted 9 days ago.
Elizabeth in Appleton on 01/29/26
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Elizabeth said: Service was on-time and professional. There was a problem with the sensor and the service person (sorry I didn't get his name) explained what was happening perfectly. You guys really do have great customer service. If I ever need to replace this furnace I will not shop around. Thanks for being great.
Posted 9 days ago.
Shari in Neenah on 01/28/26
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Shari said: EVAN IS THE BEST!!! He even took the time to bring in some Amazon packages for me so I didn't have to go outside.
Posted 9 days ago.
Bruce in Appleton on 01/28/26
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Posted 10 days ago.
Robert & Constance in Appleton on 01/27/26
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Posted 11 days ago.
Carl & Lucille in Appleton on 01/27/26
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Carl & Lucille said: Dilan was on time, friendly, and preformed his inspection and service in a timely fashion, Thank you.
Posted 14 days ago.
John in Appleton on 01/23/26
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John said: Exceptional service. Technician arrived early. Great experience.
Posted 16 days ago.
Joe & Shari in Little Chute on 01/22/26
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Joe & Shari said: Eric is always professional and friendly. Great company to work with!
Posted 16 days ago.
David in Kimberly on 01/21/26
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Posted 16 days ago.
Mark & Terry in Neenah on 01/21/26
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Posted 16 days ago.
Eric in Greenville on 01/21/26
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Posted 16 days ago.
Jordan & Briana in Appleton on 01/21/26
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Jordan & Briana said: Super friendly, fast and efficient work!
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The name trusted by over 32,000 homeowners in the Fox Valley. A fifth generation family tradition, since the 1920s.

Award Winning Customer Service, Seal of Goodness Guarantee since 1966. No Pressure Promise! We do not utilize any high pressure tactics in our sales process, ever.

Address: 4450 W Greenville Drive. Appleton, WI 54913
Phone: (920) 734-1436 Fax: (920) 734-0929
Hours of Operation: 8:00a to 4:30p (Mon-Fri)

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