Install Systems Built for Lasting Performance

Backed by advanced manufacturer certifications and hands-on plumbing expertise spanning more than a decade.

Invest in Residential Plumbing That Lasts

Specialist training and proven methods at work across northern Illinois

When you're upgrading water heaters, adding filtration, or replacing aging pipes, the quality of the installation determines how well the system performs years down the line. Cosmic Plumbing LLC delivers residential plumbing services and select light commercial work across McHenry and the surrounding region, with a focus on installs that hold up over time.



You'll work with a team that approaches each project with detailed planning and attention to system design. Whether you're replacing a sump pump or reppiping a section of your home, the work is completed with a clear scope and steady updates. You can expect consistent coordination from the initial assessment through final testing in McHenry and nearby communities.

Cosmic Plumbing LLC emphasizes long-term reliability by using certified techniques and proven equipment across every project. The result is plumbing infrastructure you can count on for the years ahead, without guesswork or shortcuts.

Reach out to schedule a consultation in McHenry or any of the communities we serve throughout the area.

Coordinated Planning and Clear Expectations

From the first site visit to the final walkthrough, you'll know what's happening at every stage of the project. Each installation is documented, communicated, and completed according to a defined plan that keeps work moving forward without surprises. You're informed about timelines, equipment selections, and system setup well before any tools come out.

This approach ensures you understand how your new water heater, filtration system, or sump pump will function and what to expect during and after installation. It's a straightforward process designed to minimize disruption and maximize clarity from start to finish.



Homeowners across northern Illinois benefit from a service model that values preparation and transparency:

Detailed system assessments that match equipment to your home's specific layout and usage patterns

Tankless water heater installations that prioritize efficiency and proper venting for safe, reliable operation

Sewer line repairs and repiping completed with minimal impact to landscaping and daily routines

Local familiarity with plumbing codes and seasonal conditions across Crystal Lake, Cary, Woodstock, Huntley, and Algonquin

Contact us to discuss your upcoming project in Crystal Lake or the surrounding area and receive a clear outline of what the work involves.

Rely on Specialist-Level Installation Standards

Every system is installed with precision and care to deliver dependable results over the long term.

Cosmic Plumbing LLC brings more than ten years of plumbing experience to every job site, along with Level 3 Navien Certification and Bradford White training that position the company as a specialist in high-performance water heating and system installations. That level of preparation translates to work you can trust, whether it's a fixture replacement or a complete water treatment system. Serving homeowners throughout McHenry, Cary, and the broader region means understanding what local properties require and how to deliver results that stand the test of time.

The company's reputation is built on dependable workmanship and a commitment to doing things right the first time. You're not working with a generalist—you're partnering with a team that understands the mechanics, the materials, and the methods that lead to lasting performance. Each installation reflects that dedication to precision and accountability.

If you're ready to move forward with a plumbing upgrade in Woodstock, Huntley, Algonquin, or the surrounding communities, call Cosmic Plumbing LLC to get started with confidence.

Real People. Real Results.