Business Details
50+ Years
experience
Emergency
services
Trusted Plumbing and Heating Services in Green Bay, WI
R.J. Parins Plumbing and Heating has served Green Bay and surrounding areas since 1967, delivering reliable plumbing and heating solutions to residential, commercial, and industrial clients. Our family-owned business prioritizes quality workmanship, timely execution, and budget-conscious service, treating every project as if it were our own. With licensed and insured professionals certified in medical gas installation, cross-connection testing, and confined space entry, we combine decades of experience with industry-leading expertise.Our team remains committed to resolving complex plumbing challenges while maintaining transparency and integrity in all client interactions. By staying at the forefront of technical advancements and adhering to strict safety standards, we ensure durable, code-compliant installations and repairs across diverse property types.
Services
Water Heater Repair
Sump Pump Installation
Medical Gas Systems
Cross-Connection Testing
Commercial Plumbing Maintenance
Residential Pipe Replacement
Grease Trap Services
Boiler Installation
Palmer Valve Repair
Confined Space Entry
Details
- Year established: 1967
Highlights and features
- Family-owned with 50+ years of local experience
- Certified medical gas and cross-connection specialists
- 24/7 emergency service availability
- Licensed, insured professionals for all projects
- Serving Green Bay and 15+ surrounding Wisconsin communities
What people say
Great work
Professional
Timely manner
High standard
Trustworthy
Services
Residential Plumbing
Our residential plumbing services address all household needs from leak repairs to complete system installations. Licensed technicians handle water heater replacements, pipe maintenance, and fixture upgrades while minimizing disruption to daily life. Emergency response ensures prompt resolution of urgent issues like burst pipes or sewer backups.
Commercial Plumbing
We maintain operational continuity for businesses through scheduled maintenance and urgent repairs. Our team specializes in high-volume water systems, grease trap management, and code-compliant installations for retail, industrial, and institutional properties across Northeast Wisconsin.
Medical Gas Installation
Certified professionals install and maintain medical gas systems meeting NFPA 99 standards. Services include oxygen, vacuum, and specialty gas piping for hospitals, clinics, and long-term care facilities. Annual testing ensures ongoing compliance and patient safety.
Water Heater Services
We provide tank and tankless water heater installations, repairs, and maintenance. Technicians diagnose heating inefficiencies, replace faulty components, and recommend energy-efficient models to reduce long-term operating costs for homeowners and businesses.
Sump Pump Installation
Our sump pump solutions prevent water damage through primary and backup system installations. Commercial-grade pumps handle high-volume water removal for industrial facilities while residential systems protect homes against seasonal flooding and groundwater seepage.
People
Raphael J. Parins
Founder
Established the company in 1967 after starting his plumbing career in 1956. Provided expert estimates using 54 years of industry experience until his passing in 2021.
Jeff Mertz
Owner & CEO
Apprenticed in 1988, became Master Plumber in 1996, and acquired the business. Certified in medical gas systems and cross-connection control with 30+ years of operational leadership.
Jessica Dollar
CFO
Manages financial operations since 2005. Holds associate's degree in Early Childhood Education and oversees administrative functions for seamless service delivery.
Cory
Master Plumber COO
Joined in 2016 with certifications in medical gas and cross-connection systems. Oversees daily operations and technical training for plumbing crews.
Travis
Master Plumber
Specializes in medical gas installations and cross-connection testing since joining in 2016. Provides technical expertise for complex commercial and industrial projects.
Questions
What areas do you service?
We serve Green Bay and surrounding communities including De Pere, Allouez, Pulaski, Suamico, and Kaukauna within a 30-mile radius.
Do you offer emergency services?
Yes, we provide 24/7 emergency plumbing services for urgent issues like burst pipes, sewer backups, and heating failures.
Are your plumbers certified?
All technicians hold required licenses with additional certifications in medical gas systems, cross-connection control, and confined space entry.
What plumbing services do you offer?
We handle residential repairs, commercial maintenance, medical gas installations, water heater services, sump pump systems, and industrial plumbing solutions.
How quickly can you respond to service requests?
Emergency calls receive same-day response. Routine appointments are typically scheduled within 1-2 business days based on availability.
