Hamilton Township is one of the largest municipalities in the county, wrapping around Trenton through the Mercerville, Hamilton Square, Yardville and Groveville sections. Its housing runs from tight prewar blocks near the city line, through postwar Cape Cods and ranches in the middle of the township, out to newer subdivisions on the eastern side. A township spread this wide means the plumbing and heating we find changes from one section to the next.
Heights Plumbing, Heating & Cooling is a family-owned, licensed and insured plumbing and HVAC company serving the township of Hamilton Township in Mercer County, New Jersey. ZIP 08610, 08619, 08690. 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 Hamilton Township Homes & Buildings
- The sections nearest Trenton lean on small-basement boilers and original waste stacks, while the eastern subdivisions are almost all forced air with equipment installed from the 1990s onward.
- The southern end of the township is flat, low ground, which keeps sump pump, discharge line and basement drainage work steady through wet seasons.
- Hamilton has a Northeast Corridor rail station and heavy frontage on Route 130, so a real share of our work here is in commercial buildings rather than houses.
Sections of Hamilton Township we serve include Hamilton Square, Mercerville, Yardville, Groveville, White Horse, along with every other part of the township.
Popular Services in Hamilton Township, NJ
These are the services Hamilton Township customers call us for most, based on the local housing and building stock.
Plumbing Services in Hamilton Township
Our licensed plumbers handle water heaters, drain cleaning, sewer line repair, leak detection, gas lines, repiping and fixture work for Hamilton Township homes. See all plumbing services.
Air Conditioning Services in Hamilton Township
AC repair, maintenance, replacement and ductless mini splits for Hamilton Township homes, sized with real heat gain calculations by our mechanical engineer. See all air conditioning services.
Heating Services in Hamilton Township
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 Hamilton Township
Hamilton carries one of the broadest commercial bases in the county — highway retail, restaurants, medical and dental offices, warehouses, auto shops and school buildings. 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.
Hamilton Township Plumbing & HVAC FAQs
Do you cover every section of Hamilton Township?
We do, from Mercerville and Hamilton Square through Yardville, Groveville and the White Horse area. It helps to tell us the section when you call so we can group your appointment with other work nearby.
Our basement takes on water whenever it rains hard. What actually helps?
Start with the pump and where it sends water. We check the pit, the pump capacity, the check valve and the discharge route, because a pump that cycles into a blocked or frozen discharge line is the same as no pump at all.
Can you service a commercial building along Route 130?
Yes. Rooftop units, large water heaters, restroom plumbing and main-line drain work are regular jobs for us, and we can schedule around your business hours so the work does not happen in front of customers.
Nearby Service Areas
We also serve these neighboring communities:

