Mechanical Contracting Department

Commercial Plumbing, Heating, Ventilation, and Air-conditioning

  • Fully licensed and insured to perform plumbing, heating, ventilation, air-conditioning work for residential and commercial applications.

    • Free estimates available on some service items, and all new installations and equipment replacements to make dealing with 4D and Associates a pleasant and predictable experience.

    • Plan and spec to 100% design build. 4D and Associates is a full-service mechanical contractor serving PA, NJ, DE, and MD since 1992.

    • New building, renovation, and service for what we sell and what others may have installed.

    • Preparation for real estate sales with drain scopes, drain cleaning, and drain repairs 100% from street (or “on site”) sanitary, storm water, domestic water, gas (natural and propane), to your point of use. Water heater repair/replace, fixture repair/replace, leak repair, and weak performing system solutions.

    • Plumbing specialties like grease traps, backflow preventer inspections, water treatment systems (softeners, neutralizers, filtration, etc), ice machines, lawn sprinklers, and specialty pumps.

    • Gas pipe repairs and gas fireplace log installation.

    HVAC gasGeneral Contractor, oil, electric system service, replacement, upgrades, and performance reviews. Professional efficiency analysis for a better performing and economical boiler, furnace, air-conditioning, and ventilation system(s).

    • Bathroom and kitchen remodels, additions, remodels, and new construction.

    • 100% material and labor warranty for 1 year on all installations, longer manufacturer warranties on some factory items, and with extended warranty plans available.

Mechanical Contracting Department

Contact the 4D Mechanical Contracting Dept.: