Brian came out on short notice to fix our furnace issue. He is knowledgeable, great to work with, and fixed the problem. I recommend Brian and RSJ Mechanical for your HVAC needs.
About RSJ Mechanical, LLC
RSJ Mechanical is a trusted HVAC service provider that delivers prompt and knowledgeable solutions for residential and light commercial needs. Their experienced and licensed technicians, including Harley Royce, Brian, and Dakota, are known for their excellent communication and troubleshooting skills, ensuring high customer satisfaction. The staff is friendly, professional, and reliable, making them a preferred choice for HVAC system maintenance, repairs, or upgrades. Customers appreciate their excellent service, fair prices, and the technicians’ attention to detail. Harley Royce, described as a "freaking boss" with a big heart, is quick, thoughtful, and top-notch at his work. Brian and Scott are praised for their prompt response, efficiently getting customers back in the cool during hot summer days. Dakota is recognized for his thorough explanations, quick work, and knowledge, making clients confident in their service. Overall, RSJ Mechanical continues to be a dependable company, with many customers planning to stay loyal for ongoing HVAC needs.
Reviews
David Anderson of RSJ came out to get our AC units up to speed. Within an hour we had COLD air once again. We signed up for the preventative maintenance plan, and will definitely use RSJ for all our HVAC needs.
Dakota was very professional and knowledgeable. He was courteous and clean the whole time, even wore shoe covers were coming in and out of the house. I would definitely highly recommend them
Photos

Hours
Good to know
- online estimates
- on-site services
- accepts credit cards
- open to all
Location
1875 North Holmes Avenue, Idaho Falls, ID 83401
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