Trenton is the state capital and the most densely built city in the county, with long blocks of nineteenth and early twentieth century rowhouses and attached frame homes through Chambersburg, Mill Hill and the north and south wards. Buildings of that age carry steam or hot-water heat, original cast iron waste stacks, and supply piping that has been patched for generations. Most jobs here start with working out what is still original and what somebody replaced in a hurry.
Heights Plumbing, Heating & Cooling is a family-owned, licensed and insured plumbing and HVAC company serving the city of Trenton in Mercer County, New Jersey. ZIP 08608, 08609, 08611, 08618, 08629. We offer same-day service, on-time arrival and upfront No Worries Pricing on every job, and we handle residential and commercial work.
What We See in Trenton Homes & Buildings
- Rowhouses share party walls, so a leak or a failed stack in one building becomes the neighbor's problem fast, and the repair usually has to be coordinated between owners.
- Basements are shallow and stairways are narrow through much of the older housing, which dictates how a boiler or water heater gets in and how the old one comes out.
- Multi-family and converted houses often have one heating system and one water heater carrying several units, so correct sizing matters as much as the repair itself.
Sections of Trenton we serve include Chambersburg, Mill Hill, Hiltonia, Cadwalader Heights, along with every other part of the city.
Popular Services in Trenton, NJ
These are the services Trenton customers call us for most, based on the local housing and building stock.
Plumbing Services in Trenton
Our licensed plumbers handle water heaters, drain cleaning, sewer line repair, leak detection, gas lines, repiping and fixture work for Trenton homes. See all plumbing services.
Air Conditioning Services in Trenton
AC repair, maintenance, replacement and ductless mini splits for Trenton homes, sized with real heat gain calculations by our mechanical engineer. See all air conditioning services.
Heating Services in Trenton
Furnace, boiler and heat pump repair, maintenance and installation, including the steam and hot-water systems common in older Mercer County homes. See all heating services.
Commercial Plumbing & HVAC in Trenton
As the seat of state government, Trenton pairs office and institutional buildings with storefronts, restaurants, houses of worship, schools and older industrial space, most needing commercial-scale equipment. Our commercial division handles rooftop units, commercial boilers, walk-in coolers and commercial plumbing, with an electrical engineer on staff for the wiring. See all commercial services.
Trenton Plumbing & HVAC FAQs
Do you work on rowhouses and attached homes in Trenton?
Regularly. Tight access and shared walls are the normal conditions here, and we plan the work so we are not opening any more of your building — or your neighbor's — than the repair requires.
Is there room for a tankless water heater in an old Trenton rowhouse?
Sometimes, but two things decide it: whether the gas line can carry the demand, and whether a vent can reach an approved exterior location. We check both before quoting, because a tankless unit that starves for gas is worse than the tank it replaced.
Can you service a storefront, school or church building in the city?
Yes. Older institutional buildings here tend to run large boilers, commercial water heaters and long drain runs, and that is the kind of equipment we handle — including coordinating access with a custodian or building manager.
Nearby Service Areas
We also serve these neighboring communities:

