Furnace Installation in Morristown, NJ
A new furnace here will run from October through May every year. Tell us about the house, and a licensed contractor who covers Morris County will get in touch.
Tell us about the job
It takes about a minute.
What Morristown winters ask of a new furnace
Morristown needs heat eight months of the year, October through May. Winter nights average 22°F, and a furnace here spends most of the cold season cycling on and off to hold the house steady.
Most homes in the area heat with gas, and any new non-weatherized gas furnace installed today has to reach at least 80 percent AFUE. Power matters too. Morris County has logged 20 winter storms and 188 damaging wind events over the past ten years, and in 2024, 11% of New Jersey households lost power for at least 24 hours. A furnace installed here should be sized for a long heating season, and it is worth asking how it comes back on once the power does.
- 8 months
- October through May, your furnace is on duty
- 22°F
- the average winter night it heats against
- 70%
- of homes here heat with gas, so most furnaces here burn gas
- 80% AFUE
- the federal minimum any new unit must meet
NOAA nClimDiv, 1991–2020 normals
A high-efficiency gas furnace would save about $150 a year to run in Morris County compared with a gas furnace.
Estimates for a typical Morris County home, from EIA household energy data, New Jersey fuel prices and NOAA climate normals. Your home will differ.
New Jersey requires HVAC contractors to hold a state license.
The State Board of Examiners of Heating, Ventilating, Air Conditioning and Refrigeration Contractors licenses the contractor, not the job, so the furnace installation at your house is covered by the same license that covers any other HVACR work that contractor takes on. Towns in Morris County cannot add their own license on top of it, so the state license is the one that matters, wherever in the county you live.
In most cities and counties, a furnace install needs a permit from the local building office and an inspection once the work is done, and that inspection is what catches a bad gas connection. It is separate from the state license and checks the work itself rather than the contractor. Most homes in Morris County heat with gas, which makes that connection the part of the job worth getting right.
Sources: New Jersey Legislature · New Jersey Division of Consumer Affairs
- What size furnace does my house need?
- The right size depends on your square footage, your insulation, your ceiling height, and how many windows you have. A furnace that's too big will short cycle, turning on and off instead of running steady, and one that's too small will run constantly and still leave rooms cold. A contractor works this out with a load calculation, not a chart based on square footage alone. With winter lows here averaging 22°F, getting the size right matters more than in a milder climate, since an undersized furnace has less room to keep up.
- How do I know it's time to replace my furnace?
- If your furnace is breaking down more than once a season, or a repair is going to cost a large share of what a new one would, replacement usually makes more sense than another fix. Rising gas bills with no other explanation, uneven heat between rooms, and a burner that cycles more than it used to are also signs the furnace is wearing out. Homes here need heat from October through May, eight months a year, so a furnace that's already struggling is working hard for most of the year. A contractor can tell you whether what you're seeing is normal wear or the start of a bigger problem.
- Is a high-efficiency furnace worth it?
- It depends on how long you plan to stay in the house and how much you're currently spending to heat it. Every non-weatherized gas furnace made since November 2015 has to reach at least 80 percent AFUE, so even a standard replacement today is more efficient than an older furnace might be. High-efficiency models go beyond that minimum, which matters more in a place like this where the furnace runs from October through May. A contractor can look at your current furnace and your gas use and tell you whether the jump makes sense for your house.