Hopewell Borough is a small, walkable municipality set inside Hopewell Township, with a center of nineteenth-century frame houses, a few brick commercial buildings, and Route 518 running straight through it. Most of these houses predate central air by a long stretch, and their heating has been converted more than once along the way. Small lots also mean equipment placement and noise are part of the conversation, not an afterthought.
Heights Plumbing, Heating & Cooling is a family-owned, licensed and insured plumbing and HVAC company serving the borough of Hopewell Borough in Mercer County, New Jersey. ZIP 08525. 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 Hopewell Borough Homes & Buildings
- Borough properties are on public water and sewer even though much of the surrounding township is not, which simplifies service-line and drain work inside the borough limits.
- Coal-to-oil-to-gas conversions left behind oversized boilers and improvised near-boiler piping in a lot of these homes, and a heat loss calculation usually shows the replacement can be considerably smaller.
- Houses sit close together here, so condenser location, clearances and how much noise a unit makes at a neighbor's window get settled before we order equipment.
Popular Services in Hopewell Borough, NJ
These are the services Hopewell Borough customers call us for most, based on the local housing and building stock.
Plumbing Services in Hopewell Borough
Our licensed plumbers handle water heaters, drain cleaning, sewer line repair, leak detection, gas lines, repiping and fixture work for Hopewell Borough homes. See all plumbing services.
Air Conditioning Services in Hopewell Borough
AC repair, maintenance, replacement and ductless mini splits for Hopewell Borough homes, sized with real heat gain calculations by our mechanical engineer. See all air conditioning services.
Heating Services in Hopewell Borough
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 Hopewell Borough
The borough supports a modest commercial center of small shops, restaurants, professional offices and community buildings rather than any large retail or industrial base. 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.
Hopewell Borough Plumbing & HVAC FAQs
Our boiler is enormous and the house is not. Should the replacement be the same size?
Almost certainly not. Old conversions were routinely oversized, and an oversized boiler short cycles and wastes fuel. Our engineer runs a heat loss calculation on the actual house so the new unit is sized to what you heat today.
Does being on borough water and sewer change what you can do?
It makes some things simpler — there is no well pump or septic field to work around, and drain work ends at the municipal main. We still confirm what is actually serving the property before quoting anything on the service line.
How soon can someone get out to Hopewell?
We schedule service within 24 hours of booking, and we tell you the arrival window when we book it rather than leaving you waiting all day.
Nearby Service Areas
We also serve these neighboring communities:

