Mansfield Township runs along the Musconetcong valley south of Hackettstown, taking in the village of Port Murray, working farmland, and pockets of newer housing built on former farm ground. Older farmhouses here often have decades of piping added a room at a time, while the newer homes are reaching the age where original heating and cooling equipment starts needing decisions rather than repairs. A good number of properties are on wells and septic once you are off the main roads.
Heights Plumbing, Heating & Cooling is a family-owned, licensed and insured plumbing and HVAC company serving the township of Mansfield Township in Warren County, New Jersey. ZIP 07865. 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 Mansfield Township Homes & Buildings
- Farmhouses and older homes frequently have mixed piping — galvanized, copper and later plastic spliced together — which is why a small leak is often the first sign of a bigger repiping question.
- Outdoor hydrants, livestock waterers and garden lines draw on the same well as the house, so an indoor pressure complaint often starts with something running outside.
- These houses were built for a single bathroom, and the baths and laundry rooms added since usually run off supply lines and a water heater sized for far less demand.
- Outbuildings, barns and detached garages often have their own water or heat runs, and those lines are the first to freeze when a cold snap hits.
Sections of Mansfield Township we serve include Port Murray, along with every other part of the township.
Popular Services in Mansfield Township, NJ
These are the services Mansfield Township customers call us for most, based on the local housing and building stock.
Plumbing Services in Mansfield Township
Our licensed plumbers handle water heaters, drain cleaning, sewer line repair, leak detection, gas lines, repiping and fixture work for Mansfield Township homes. See all plumbing services.
Air Conditioning Services in Mansfield Township
AC repair, maintenance, replacement and ductless mini splits for Mansfield Township homes, sized with real heat gain calculations by our mechanical engineer. See all air conditioning services.
Heating Services in Mansfield Township
Furnace, boiler and heat pump repair, maintenance and installation, including the steam and hot-water systems common in older Warren County homes. See all heating services.
Commercial Plumbing & HVAC in Mansfield Township
The commercial side of the township is tied to the land — working farms, equestrian properties and storage buildings — plus the shops and service businesses strung along the Route 57 corridor. 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.
Mansfield Township Plumbing & HVAC FAQs
Half our plumbing is galvanized and half is copper. Do we have to replace all of it?
Not necessarily, and not all at once. We look at what is actually restricting flow and where the joints between different metals are corroding, then lay out a repipe in stages if that makes more sense than doing the whole house in one shot.
The water line to our barn freezes every winter. Can that be solved?
Usually. The line is either too shallow, unprotected where it leaves the building, or has no way to drain down. We find where it actually freezes and fix that section rather than heat-taping the whole run and hoping.
Do you service propane heating equipment?
Yes. We repair and replace propane furnaces and boilers, handle the gas line work that goes with them, and set combustion properly on installation. Our engineers on staff run heat loss calculations so the replacement is sized for the house rather than matched to whatever was there.
Nearby Service Areas
We also serve these neighboring communities:

