D.P. Wolff, Inc.
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About D.P. Wolff, Inc.
D.P. Wolff, Inc. operates as a commercial-focused HVAC and plumbing contractor based in Elmsford, New York. The company has served the region since 1994, establishing itself as a primary contractor for complex institutional and industrial projects. Their service territory covers Westchester, Putnam, Dutchess, Rockland and Orange counties, extending into the broader New York Metro area. Unlike residential contractors, D.P. Wolff primarily serves commercial clients including hospitals, corporate campuses, country clubs and religious institutions.
What distinguishes D.P. Wolff from regional competitors is their project portfolio featuring recognized institutions such as White Plains Hospital, PepsicCo Global R&D Project Center and Sleepy Hollow Country Club. The company maintains in-house capabilities for both HVAC construction and plumbing construction, allowing coordinated mechanical systems installation under a single contractor. Their 24-hour emergency service line (914-767-0515) provides around-the-clock support for commercial facilities requiring immediate response. Service offerings range from preventive maintenance and evaluations to complete retrofit and system replacement projects.
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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
HVAC Construction
Design and installation of commercial heating, ventilation and air conditioning systems for new construction projects.
Plumbing Construction
Installation of commercial plumbing systems including piping, fixtures and related mechanical infrastructure.
Preventive Maintenance
Scheduled servicing to maintain HVAC system efficiency and prevent unexpected equipment failures.
Service Response and Repairs
Emergency and non-emergency repair services for commercial HVAC and plumbing systems.
System Evaluations and Analysis
Technical assessments of existing HVAC installations including performance diagnostics.
Retrofit and Replacement
Upgrading or replacing outdated HVACsystems with modern, efficient equipment.
Commissioning
Verification and testing services to ensure installed systems meet design specifications and performance standards.