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Claim This BusinessLou Guarini Plumbing & Heating has maintained a presence in Jersey City for four generations, passing from grandparent to grandchild as a family-owned operation. With a flawless 5.0-star rating compiled across nine client reviews, the company employs-owner Guarini alongside his two sons, creating a multigenerational team that understands the aging housing stock throughout Hudson County. The business maintains standard weekday hours from 7 AM to 6 PM, with Tuesday offering around-the-clock availability for emergencies.
What distinguishes this contractor is the emphasis on client communication detailed across multiple reviews. One homeowner noted the team kept them informed via phone calls, text messages, and emails throughout the entire service process, a level of coordination that busy Jersey City residents increasingly demand. The company's experience with Hurricane Ida-related damage in 2021 demonstrates familiarity with regional weather vulnerabilities and the importance of elevating mechanical equipment above potential flood levels.
Client narratives reveal specific scenarios that generic contracting directories cannot replicate. For Marc Jusino, whose basement flooded during the hurricane, owner Lou Guarini provided a detailed estimate within days and remainedreachable by phone throughout the project. Upon completion at 8:30 PM, Guarini sent a follow-up message confirming everything operated correctly. Technician Emily Kondes addressed a ceiling leak by laying protective tarps before beginning work, a consideration that saved the homeowner cleanup effort.
All nine reviewers award five stars, with four specifically praising response time and one highlighting the team's post-installation follow-up as uncommon in the trade.
| Sunday | Closed |
| Monday | 7 AM–6 PM |
| Tuesday | Open 24 hours |
| Wednesday | 7 AM–6 PM |
| ThursdayToday | 7 AM–6 PM |
| Friday | 7 AM–6 PM |
| Saturday | 7 AM–6 PM |
Removal of clogs and slow drains using professional equipment, with reviewer confirming thorough post-service cleanup.
Identification and patching of leaks throughout the home, including pipe replacement and faucet repair.
Installation and replacement of traditional and tankless water heaters. The company advises 10-year replacement cycles.
Boiler replacement including flood-resistant elevated mounting, with full permit documentation and warranty support.
Complete bathroom plumbing including leak repairs, fixture upgrades, and new sink or shower installation.
Annual heating tune-ups aimed at improving efficiency, extending equipment lifespan, and ensuring safe operation.