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Sizing a furnace for this house means accounting for how long the burner actually runs each year, not just how cold a single night gets. Homes in Camden County, NJ run heat about seven months a year, from October through April. The heat exchanger, the ignition system, and the burner all cycle through that entire stretch, and a unit that is undersized for the load starts short-cycling early in the season and compounds wear with every cycle after that. A contractor running a load calculation here needs the full picture of the house envelope before they can quote a unit that holds up.
Ductwork laid down for a system that no longer exists is what a furnace installer finds in a large share of Camden County homes. Half the homes in Camden County, New Jersey were built in 1967 or earlier (2020-2024 ACS 5-year). That vintage of construction used duct sizing and layout conventions matched to the equipment of the time, and a new furnace draws and distributes air on different terms. Before a unit is ever selected, a contractor has to measure what the existing runs can actually carry and whether the electrical service will support the new load. Get those two things wrong and the furnace itself becomes the least complicated part of a job that still does not work right.
What Gets Installed With a New Furnace
The furnace itself sits in the basement, utility room, or closet and is the unit a homeowner will recognize on sight. Inside it, a heat exchanger warms the air, and a blower motor pushes that air out through the home. The flue pipe runs up and out of the house, carrying combustion gases away from the living space.
A thermostat mounts on an interior wall and is the control point the household interacts with every day. Alongside the furnace, a contractor installs a filter housing where the return air enters the unit, and a gas valve that regulates fuel flow into the burner assembly.
The drawing shows a representative layout, and a licensed contractor determines exactly what applies to this house.
Get matched in Camden CountyCamden County, by the numbers
272 severe weather events were recorded in Camden County, New Jersey between 2015 and 2024.
NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.Half the homes in Camden County, New Jersey were built in 1967 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCamden County, New Jersey holds 213,774 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 64.7% of the occupied homes in Camden County, New Jersey (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesFurnace Installation Rules for Camden County, New Jersey6 sourced standards and codes
What happens once a contractor arrives at your home
Non-weatherized gas furnaces manufactured on or after November 19, 2015 must reach 80.0 percent AFUE.
Non-weatherized oil-fired furnaces manufactured on or after November 19, 2015 must reach 83.0 percent AFUE.
Mobile home gas furnaces manufactured on or after November 19, 2015 must reach 80.0 percent AFUE.
Non-weatherized gas furnaces manufactured on or after December 18, 2028 must reach 95.0 percent AFUE, up from the 80.0 percent minimum that applies to units manufactured before that date.
Licensing and Legal Requirements in Camden County, New Jersey
In New Jersey the HVACR licence is the State's alone: a municipality, local board of health or any other agency may not issue or renew a Master HVACR contractor's licence.
New Jersey requires a Master HVACR contractor licence: no person or business may engage in the business of HVACR contracting, or advertise as a Master HVACR contractor, without being authorised under the State HVACR Contracting License Law.
Severe Weather Events in Camden County, NJ
Heating equipment works harder when the climate around it is unpredictable. How much stress a furnace absorbs over its life is a local question, and the weather record for this area is part of that answer.
272 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.