Chimney Services in Clinton Township, NJ
About a quarter of Clinton Township homes heat with fuel oil and another tenth with propane. When the heating flue and the fireplace flue share one chimney, each needs to be judged on its own terms.
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Chimney profile: Clinton Township
Census estimates for 4,989 housing units (4,878 occupied).
When homes were built
- Before 1940 9%
- 1940–59 7%
- 1960–79 22%
- 1980–99 51%
- 2000 or later 11%
How occupied homes are heated
- Utility gas 54%
- Fuel oil 26%
- Electricity 7%
- Propane 10%
- Wood 0.5%
- Other or none 2%
Type of housing
- Single-family, detached 74%
- Single-family, attached 15%
- 2–4 units 4%
- 5+ units 7%
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, tables B25034, B25040 and B25024, via Census Reporter. Estimates have margins of error; small categories are approximate.
What the numbers suggest for chimneys in Clinton Township
Census estimates show about 26% of Clinton Township's 4,878 occupied homes heating with fuel oil and 10% with propane, alongside 54% on utility gas and 7% on electricity. Wood is the main fuel in about 0.5%. Oil heat leaves soot and scale in its flue; the oil flue guide describes where that residue settles.
Of the 4,989 housing units, about 22% were built in the 1960s and 1970s and 51% from 1980 to 1999. A brick chimney from either period may contain a heating flue next to a fireplace flue, and some homes of the later decades have a factory-built fireplace with a separate metal chimney.
About 74% of units are detached and 15% attached. These are estimates for the township; they do not describe the chimney on any one property.
One chimney, two different jobs
Each flue in a multi-flue chimney is its own passage. The 2003 International Residential Code text published on Rumford.com, for example, requires a masonry divider (a wythe) of 4 inches or more between neighboring flue liners, tied into the chimney walls, except in a narrow case where two flues serve one appliance. For a cutaway of how the passages are arranged, read chimneys with more than one flue.
The two flues wear differently:
- The oil flue. According to CSIA, oil soot that drops down the flue piles up at the chimney base or lands back in the appliance, where it can choke the exhaust flow. Sulfur combines with moisture, soaks into the clay tile and starts it flaking. Damaged tile is a liner problem; see what cracked flue tiles mean.
- The fireplace flue. Wood smoke leaves creosote on the flue walls, the smoke chamber and the damper. How much builds up depends on how often and how well the fire burns.
The NFPA 211 rule CSIA cites, a yearly inspection plus whatever cleaning and repair it turns up, covers every flue in the chimney, whatever fuel it carries.
What happens when both flues are serviced
The heating technician's annual burner tune-up deals with the appliance. The chimney side is separate: the oil flue is opened at the base through its cleanout, the soot and scale are removed, and the tile is examined by camera where the flue allows. That work is furnace and boiler flue cleaning. The fireplace flue gets its own sweep and inspection.
It helps to know which flue serves which appliance before the visit. If you count the flue tiles at the top from the ground, you know how many passages there are, and the inspection matches each one to its appliance in the photos you receive.
Changing fuels. Switching fuels is one of the system changes for which CSIA prescribes a Level 2 inspection. Replacing an oil boiler with propane or gas equipment also brings in New Jersey's Form F370 chimney verification, which asks whether a flue that served liquid or solid fuel is substantially clean of residue from that use.
Local questions
Doesn't the oil company's yearly tune-up cover the chimney?
A burner tune-up focuses on the appliance. CSIA notes that soot can collect at the base of a masonry chimney and restrict the flue, which is why the chimney needs its own inspection and cleaning.
Could a new propane boiler use the old fireplace flue?
It depends on the boiler's installation instructions and the flue's size and condition. A former fireplace flue is often larger than a boiler needs and may have to be relined, and the state's Form F370 verification applies.
We stopped using the fireplace. Does its flue still need inspection?
Yes. CSIA points out that animals can nest in a flue and deterioration continues even when a chimney is rarely used.
How do I know how many flues my chimney has?
Look at the top from the yard: each flue tile or metal pipe sticking up above the crown is a separate passage. An inspection confirms which appliance uses each one.
Sources
- U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates (tables B25034, B25040, B25024), via Census Reporter
- CSIA: Annual Service of Your Oil-Fired Appliance Chimney
- CSIA: Frequently Asked Questions
- CSIA: The Three Levels of Chimney Inspections
- Rumford.com: 2003 International Residential Code, masonry chimney provisions
- NJ Department of Community Affairs, Form F370: Chimney Verification for Replacement of Fuel-Fired Equipment (PDF)
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