Stone Plumbing and Heating Inc.

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About Stone Plumbing and Heating Inc.
Stone Plumbing and Heating Inc. has earned a reputation as one of the most trusted names in plumbing and heating across the Duluth area, holding strong ratings from 436 reviews with an impressive 4.9-star average. Serving homeowners throughout Duluth, the team handles everything from routine maintenance to complex installations, with a commitment to showing up on time or early and keeping clients informed at every step. Their office staff works closely with customers to schedule projects efficiently, and the company operates around the clock to ensure help is available whenever issues arise.
What distinguishes Stone Plumbing and Heating is their expertise with in-floor heating systems and boiler technology, fields that require specialized knowledge and precision. The company has demonstrated particular skill with radiant heating installations in new construction and retrofits, as well as servicing propane heating systems for agricultural properties like barns. Their approach emphasizes price transparency, with technicians disclosing flat fees and onsite costs upfront so homeowners never face unexpected charges. The team also handles fixture and appliance installation, giving clients a single point of contact for complete plumbing projects.
Customers consistently mention technicians by name, highlighting the personal attention that defines their service. Reilly has been praised for thorough communication, sending advance photos and texts to confirm arrival details. For a recent sink replacement, a two-person team handled an unexpected complication without changing the original estimate, delivering a final result that exceeded the homeowner's expectations. Another reviewer described working alongside the team to test and eliminate possible causes until the exact problem was identified and resolved, noting that the technician was never intimidating despite the complexity of the diagnostic process.
What Customers Say
Nearly all five-star reviews mention specific technicians by name, with Reilly, Eric, Wade, and Ethan called out for their communication, professionalism, and problem-solving approach. Multiple reviewers note price transparency and upfront disclosure of fees, while several highlight the company's punctuality and proactive scheduling updates.
Working Hours
| SundayToday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
Sink & Fixture Installation
Installation of sinks and plumbing fixtures, including customer-purchased products with surprise issue resolution at quoted price.
Boiler Servicing & Repair
Maintenance and repair of boiler heating systems, ensuring reliable operation during Duluth winters.
In-Floor Radiant Heating
Installation and servicing of radiant floor heating systems for new construction and existing home retrofits.
Propane Heating Systems
Servicing and installation of propane heating equipment for residential and agricultural properties like barns.
General Plumbing Repair
Wide-ranging plumbing repairs and diagnostics, with collaborative problem-solving approach.
Appliance Installation
Installation of plumbing appliances, completed as part of broader renovation or upgrade projects.