Get matched with top nest installation pros in Beloit, WI

"They did a great job. Very nice and professional team. Worked consistently all day to install a new furnace, water heater and water softener. Space was cleaner than it was in the beginning Made sure I understood how equipment worked and walked me through the new technology"

"Every one was on time when it came to installing our security and automation system. The installation advisor kindly asked we leave a review and we are happy to. Using the Safe Streets Group is a good decision. Many thanks to the advisor that helped us."

"Tech arrived on time, was very helpful with Install. However, I was told he would install 2 Smoke Alarms and only one was installed. But overall Tech did a professional job."

"I had a great experience working with M&L Electrical Solutions. They were professional, communicated well, and completed the electrical work in a timely manner. They installed the exit signs and handled the wiring efficiently, and everything looks clean and well done. They also provided a referral for drywall repair, which I appreciated. Overall, very reliable and easy to work with. I would definitely use them again."

Mainstream Electric provides reliable, high-quality electrical service backed by over 25 years of hands-on experience. We serve homeowners and businesses throughout the stateline area with a focus on safety, efficiency, and getting the job done right the first time.\n\nFrom troubleshooting and repairs to service upgrades, lighting, generators, and EV chargers, we handle a wide range of electrical needs. We pride ourselves on clear communication, honest recommendations, and workmanship you can trust.\n\nYour safety and satisfaction are always our top priority.

"Installers arrived on time and were professional in their manner and explanations of our new Carrier Furnace & AC. I highly recommend this company."

"I cannot say enough great things about Jamie and the team at Wisconsin Generators LLC. From the very first conversation, Jamie was professional, knowledgeable, and incredibly responsive. He took the time to walk me through all my options, answered every question thoroughly, and made sure I felt confident in the decision we were making. The installation process was seamless. The crew showed up on time, worked efficiently, and treated our property with respect. Their attention to detail and commitment to doing the job right was obvious from start to finish. Everything was clean, organized, and completed exactly as promised. What really sets Jamie apart is his integrity and customer-first approach. There was no pressure just honest recommendations and clear communication. If you’re considering a standby generator, I highly recommend Jamie and Wisconsin Generators LLC. Reliable service, expert installation, and true peace of mind. Five stars all The way!!"

"Jack was extremely helpful in explaining the whole process for our AC replacement and the technicians were awesome during the install. Our AC went out during the first heatwave of the year. We had a quote from another company that gave us the whole, "we'll give you a call back tomorrow to set up the install" after telling us that we needed a new AC and still haven't heard back, BUT I'm so glad we didn't hear back from the other company as there were other red flags that I overlooked during a time of panic. Master Services provided great communication from my first phone call to them until the job was completed. A major reason that I knew I didn't want to even bother calling another company for an additional quote is because I felt that the customer service received from this company was well worth the money spent. Replacing something like an AC feels scary as a first time homeowner, but Jack was very thorough in explaining the costs, information about the AC unit, and what to expect during the install. The technicians were very courteous and worked really hard while they were at my home. Overall, a pleasant experience and I will definitely be utilizing their services again."

"Quick response and professional installation."

"Fab Tek installed both a heating and air conditioning unit in our Summer home. Very happy with the work, finally had a chance to test both the heat and air conditioning and they are working great! Would recommend Fab Tek to anyone needing HVAC work done. The customer service was top notch."