Oct 2025
would highly recommend them. Very professional service from Chris and easy to schedule a time. Showed up on time and gave us great advice. I will use them again for servicing my hot water steam heating system
About Miller Engineering Co
Miller Engineering Co. is a reputable and reliable full-mechanical contractor, providing top-notch services in HVAC, electrical, plumbing, and sheet metal fabrication. Founded in 1959, they have earned a reputation for prompt and effective solutions. Their team is dedicated to resolving issues quickly, as seen in their 24-hour emergency service. They go above and beyond to find specific parts, even when backordered, and work closely with customers to ensure satisfaction. With a focus on customer care, their technicians are knowledgeable, attentive, and willing to explain problems and solutions. Miller Engineering Co. has a proven track record of delivering quality work, from installation to maintenance, and has earned the trust of their clients.
Reviews
Jun 2025
Awesome care after the sale? Listen folks! Miller engineering did it again! We needed a couple new valves installed after the initial inspection of our new furnace, BRENNAN AND JULIAN got on it quick! JULIAN installed 2 brand new valves for our safety and I cannot think of enough GOOD THINGS to say about these guys! I will never recommend anyone else for all your heating and A/C needs!
May 2025
Nick and Conor came at around 1pm, and had removed and installed my water heater in 2 hours! 30 minutes or so, was just to make sure the water temp was right.
I made sure I had already drained the water from my tank, and made sure there was a clear path to the door, before they arrived. I also made sure my pets were in another room, where they couldn't run out the front door.
Both of the plumbers installing my 40 gallon unit were extremely professional, and did the job way faster than expected. After they left, I started my laundry, dishwasher, and also took a hot shower, with no noticeable loss in water temp. I previously went to one of the big box hardware stores,… read full review
Photos
Hours
Monday 7AM - 4:30PM
Tuesday 7AM - 4:30PM
Wednesday 7AM - 4:30PM
Thursday 7AM - 4:30PM
Friday 7AM - 4:30PM
Saturday Closed
Sunday Closed
Location
1616 South Main Street, Rockford, IL 61102
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