4.6 
68 *The Angi rating for Subcontracting companies in Casco, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Subcontracting needs.
*The HomeAdvisor rating for Subcontracting companies in Casco, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Subcontracting needs.
Last update on October 14, 2025
Serving Casco, WI and surrounding areas
Approved
In business since 2018
Free estimates
Warranties offered
"The crew (Anthony, Jason, Cole) were fantastic. They did a great job minimizing heat loss while installing the windows during the winter. They were fast and courteous. The quality, price, and work were all top notch. Highly recommend."
+7
Serving Casco, WI and surrounding areas
Approved
In business since 2011
Free estimates
Warranties offered
"Very professional and willing to explain the problem."
+23
Serving Casco, WI and surrounding areas
Approved
In business since 2016
Free estimates
Warranties offered
"Don P. was great! He explained exactly what we needed to do and told us how to order the parts and save money. Thank you"
+2
Serving Casco, WI and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 2018
Free estimates
Small jobs welcome
"It is such a pleasure working with Sid and his crew. Our entire bathroom looks amazing and brand new! I highly recommend having your remodel done by them."
+12
Serving Casco, WI and surrounding areas
Approved
Super Service Award Winner
In business since 2001
Free estimates
Warranties offered
"Mad City was personable and professional with all that needed to be done at my home. Patio door replacement, bedroom window replacement, and shower stall installation. They even hired a subcontractor to repair a hole in the ceiling that was caused by a leaky bathtub. My highest complements!"
+20
Serving Casco, WI and surrounding areas
Approved
Credit card accepted
Synergy Heating & Cooling is a Door County HVAC company built on trust, accuracy, and commitment to doing the job right. We provide heating, cooling, indoor air quality, and comfort solutions for homeowners and businesses with a focus on clear communication, reliable workmanship, and long-term value. Our approach is simple: recommend what makes sense, perform quality work, and stand behind it. Whether it’s routine maintenance, system repairs, or a full equipment replacement, Synergy works to deliver comfort, efficiency, and peace of mind. We take pride in serving our community with honest service, professional guidance, and solutions tailored to each customer’s needs.
Serving Casco, WI and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"The crew did an excellent job. Efficient and timely and the end result is perfect!"
+1
Serving Casco, WI and surrounding areas
Approved (Corporate)
In business since 2009
Free estimates
Warranties offered
"Did an excellent job, they were able to work with a few obstacles in condo building"
+64
Serving Casco, WI and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Small jobs welcome
"Ted was very easy to work with. He was very knowledgeable about requirements for a furnace replacement. He recommended a Lenox furnace that was properly sized for my house. The old furnace was removed and the new furnace was installed without any issues. The furnace is operating perfectly."
Serving Casco, WI and surrounding areas
Approved
In business since 2022
Free estimates
Offers commercial services
"I had the electrical panel swapped and wire ran from the new panel box to my garage. He came in under what he quoted. Great service, great value and an overall good guy. If I could give more than 5 stars I would."
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