Serving Crystal Lake, IL and surrounding areas
Approved
In business since 1960
Free estimates
Warranties offered
"Great company & customer service! The system was installed quickly and the installer was very professional."
+14
Serving Crystal Lake, IL and surrounding areas
Approved
Super Service Award Winner
In business since 1991
Free estimates
Emergency services offered
"Very satisfied with their job. Excellent work. Will definitely recommend them for plumbing work, especially water treatment / filtration projects. We rate them 5 stars."
+8
Serving Crystal Lake, IL and surrounding areas
Approved
In business since 2023
Emergency services offered
Credit card accepted
"Great experience with Aqua Knight. Walked through the estimate on Saturday. Came first thing Monday and knocked it out. Would recommend them for anyone needing a new hot water heater."
+127
Serving Crystal Lake, IL and surrounding areas
Approved (Corporate)
In business since 2020
Free estimates
Warranties offered
"The technician came on time and, although it took him longer than expected to install the system, he installed it and demonstrated the system for me. The next day, I noticed there was still water on the concrete close to the system but, I figured it was residual water. Apparently the system was leaking. Two days after install I contacted Leaf and advised them that the system was leaking. Early, the next business day, they arrived and repaired the leak and made sure I was happy. My system seems to be working well and I am satisfied."
+44
Serving Crystal Lake, IL and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Good honest service! Frank worked on setting up my fridge water/ ice and was super quick also knowledgeable and friendly! I would highly recommend them! Great service, Frank went above and beyond!"
Serving Crystal Lake, IL and surrounding areas
Approved
In business since 1994
Free estimates
Emergency services offered
"The experience beginning with Scott coming out to test the water to Jim installing the water softener tank and reverse osmosis unit was great. They are very professional and informative and the price was just right. I will highly recommend and will refer this company to any family or friends looking to improve their water."
Serving Crystal Lake, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Warranties offered
"Ryan was a pleasure to work with. He installed a water softener in my house and did a great job."
Serving Crystal Lake, IL and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"I was looking for someone to install a replacement tankless water heater. Dan responded, quoted, and scheduled almost immediately. Work was done right, on time and on budget. Fantastic plumber. Highly recommend."
Serving Crystal Lake, IL and surrounding areas
Approved
In business since 2025
Free estimates
Warranties offered
"We had Chad from Cosmic Plumbing out to replace our old water softener. He was very professional and informative from start to finish! He was fairly priced and easy to work with. Highly recommend for all your plumbing needs!"
Serving Crystal Lake, IL and surrounding areas
Approved (Corporate)
In business since 1971
Free estimates
Emergency services offered
"Everyone from the sales person to installers were great. I love our new HVAC system!"
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