Chimney and duct advice, written for this housing stock
Short, specific answers — what a stage-two creosote glaze actually looks like, how an oil-to-gas conversion can leave a chimney oversized, and why a 1960s Cherry Hill colonial and a pre-1940 Collingswood twin fail in different ways.
Which Flue Is Yours in a Two-Family?
In a twin, a duplex, or a converted two-family, more than one flue often runs up the same chimney chase, and the basement will not tell you which one belongs to your furnace.
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When Air Duct Cleaning Is Actually Worth Paying For
Five specific situations make air duct cleaning worth the cost — a renovation, confirmed rodents, a system that sat wet, a prior heavy smoker, or visible debris at a register. Outside those, it’s usually oversold, and we’ll say plainly which one applies to your house.
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What a Hundred Winters Do to a Chimney Crown in Camden County
Freeze-thaw is what actually cracks a chimney crown, one hairline at a time. Camden County crosses freezing fewer times a winter than the hills sixty miles northwest, in NOAA's own numbers — here is why that still is not the same as nothing for a crown poured decades ago.
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A Second Drying Cycle Is the First Sign of a Blocked Dryer Vent
In a lot of Cherry Hill's basement laundry rooms the dryer duct runs sideways under the joists before it ever reaches an outside wall, and that extra distance is exactly where lint settles first and longest.
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Oil to Gas and the Oversized Flue
Cherry Hill Township has converted most of its housing from oil or coal to gas heat, but the masonry chimney behind each of those swaps is often still sized for the furnace it replaced, with real consequences for the mortar and tile inside it.
Read the articleLevel 1 vs Level 2 Chimney Inspection
Two inspections share a name but not a scope: one covers what a sweep can already see and reach, the other adds a video camera down the full flue, roof and attic access, and a written report a title company will actually accept.
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How Often to Sweep a Chimney, by Fuel and Use
Wood, gas logs and oil-fired flues foul at different rates, so a single number was never going to answer this honestly. Here is how sweeping frequency actually splits by fuel, by how hard the flue works, and by what NFPA 211 does and doesn't require.
Read the articleCreosote Stages and What They Mean
Creosote does not build up as one thing — it moves through three distinct stages, and only the last one can catch fire on its own inside the flue. Here is what separates them, and why Cherry Hill’s own housing numbers miss most of the households actually burning wood.
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Have a question the articles don’t cover?
Call and describe exactly what the chimney, the dryer, or the ducts are doing — a pre-1940 masonry stack in Haddonfield and a 1970s factory-built fireplace in Cherry Hill fail in different ways.