About S&D Mechanical | Licensed Plumbing & HVAC Contractor | Garnet Valley, PA

Who We Are

A Trusted Plumbing & HVAC Contractor Serving Southeastern Pennsylvania

S&D Mechanical, LLC is a full-service plumbing contractor and heating and air conditioning contractor licensed to operate in Pennsylvania and Delaware. Founded in 1985 and based in Garnet Valley, PA, the company serves residential homeowners, commercial property managers, and general contractors across a four-county region in the Greater Philadelphia metro area.

With over 40 years of hands-on experience, S&D Mechanical has built a reputation for quality workmanship, reliable scheduling, and the kind of mechanical expertise that comes from decades of work on homes, office buildings, commercial high-rises, and everything in between.

Business Type
Plumbing Contractor & HVAC Contractor
Founded
1985 — 40+ Years in Business
Headquarters
Garnet Valley, PA (Delaware County)
License Status
Fully Licensed & Insured in PA & DE
Emergency Service
24-Hour Emergency Response Available
Clients Served
Residential & Commercial

What We Do

Plumbing, Heating & Air Conditioning Services

S&D Mechanical operates as both a licensed plumbing contractor and a licensed HVAC contractor. Our service offering spans installation, replacement, repair, and maintenance across all residential and commercial mechanical systems.

🔧 Plumbing Services

From a leaking pipe to a full commercial plumbing build-out, our licensed plumbers handle every scope of work with precision. We service water supply lines, drain systems, fixtures, water heaters, sump pumps, and more.

View All Plumbing Services
🔥 Heating Services

Our HVAC technicians are trained to service and install heating systems of all types — from forced hot air furnaces and oil-fired boilers to modern heat pump systems and radiant heating configurations.

View All Heating Services
❄️ Air Conditioning Services

We install, repair, and maintain central air conditioning systems, ductless mini-split systems, and full commercial cooling infrastructure. Whether it's a tune-up before summer or a full system replacement, we do it right.

View All Cooling Services
🌊 Sewer & Water Services

Sewer backups and broken water service lines can shut down a home or commercial facility in a hurry. S&D Mechanical has the experience and equipment to diagnose and resolve even the most complex underground system issues.

View Sewer & Water Services

Who We Serve

Residential & Commercial Mechanical Contracting

S&D Mechanical serves a wide client base — from individual homeowners to commercial property managers and general contractors overseeing large construction projects. Our team is equipped to handle the scope and complexity demands of both markets without compromise.

Residential Plumbing & HVAC

We help homeowners across Delaware, Chester, and Montgomery Counties keep their homes comfortable, safe, and running efficiently. Whether you're dealing with a plumbing emergency, an aging HVAC system, or a planned upgrade, we show up prepared and finish the job to a high standard.

  • Emergency plumbing repairs — 24-hour response
  • Water heater installation, replacement & repair
  • Furnace, boiler & heat pump service
  • Central AC and ductless mini-split installation
  • Drain cleaning and camera inspections
  • Toilet, fixture & bathroom plumbing upgrades
  • Sump pump installation and maintenance
  • Seasonal HVAC tune-ups and maintenance plans
Commercial Plumbing & HVAC

S&D Mechanical has decades of experience working with commercial facilities — office buildings, retail spaces, restaurants, multi-family properties, and high-rises. Our commercial clients rely on us for system reliability, code compliance, and work that doesn't interrupt their operations.

  • Commercial HVAC installation and replacement
  • Commercial plumbing systems and build-outs
  • Scheduled maintenance programs for multi-unit properties
  • Commercial water heater and boiler systems
  • Sewer line repair, replacement & inspection
  • Grinder pump installation and service
  • General contractor partnerships and new construction
  • High-rise and multi-story mechanical systems

Why S&D Mechanical

What Sets Us Apart as a Plumbing & HVAC Contractor

📅

40+ Years of Experience

In business since 1985 — a track record built on repeat clients, referrals, and standing behind our work.

🏠

Locally Owned & Operated

Headquartered in Garnet Valley, PA — we're your neighbors, and we treat every job like it's in our own community.

⚡

24-Hour Emergency Service

Plumbing and HVAC emergencies don't wait for business hours. Neither do we.

🔐

Fully Licensed & Insured

All work performed by licensed, insured plumbing and HVAC technicians — protecting you and your property.

🏢

Residential & Commercial

Comfortable operating at any scale — from a single-family home to a commercial high-rise mechanical system.

🤝

General Contractor Ready

Experienced working alongside GCs on new construction and renovation projects across the region.

Where We Work

Plumbing & HVAC Services by Location

S&D Mechanical provides plumbing contractor and heating and air conditioning contractor services throughout Delaware County, Chester County, and Montgomery County in Pennsylvania, as well as New Castle County in Delaware. The following pages cover service-specific information for each community we serve.

🔧 Plumbing Services by City

❄️ Heating & AC Services by City