Heating oil guides
Short, practical answers to the questions that come up in every oil-heated house: what the gauge really says, which tank you have, how dealers time deliveries, and when to order. The guides use plain language, and every number in them is computed or honestly qualified.
All guides
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Heating oil tanks explained
The whole object in one page: the five types, indoor, outdoor and buried placement, the three capacity numbers, and lifespan.
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How to stick an oil tank
Measure the oil in any tank with a wooden stick, including buried tanks read through the fill pipe.
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Oil tank gauge types
Five different devices get sold as a tank gauge. Which one fits your tank, what each one reads, and why the whistle is not one of them.
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Reading an oil tank gauge
What the float gauge marks really hold in gallons, and the failure modes that make gauges lie.
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Petrometer gauges: read, pump, fix
The pump-style remote gauge explained: how the air bell works, how to read it, and the five classic failures.
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WiFi and smart oil tank gauges
Ultrasonic monitors measure the air gap, not the oil. What that explains, what they need on your tank, and the two designs sold.
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Replacing an oil tank gauge
Sizing the gauge to your tank depth, the combination vent alarm that must never be swapped for a plain gauge, and the job itself.
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Oil tank whistle (vent alarm)
The whistle that tells the driver to stop: where it lives, how it works, and why a silent one means no delivery.
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What size is my oil tank?
Identify your tank by its dimensions, its data plate, or a delivery slip, with all the standard sizes.
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Oil tank sizes and dimensions
Every standard size with its dimensions and computed capacity: the steel ovals, the buried cylinders, the fiberglass balls, and Roth.
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275 gallon oil tank explained
The standard tank, end to end: what it measures, what it really holds, how long it lasts, and what replacing one involves.
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250 gallon oil tank: what it usually is
Nobody builds a 250. Whether yours is a 275 named after its delivery ticket, a Granby 240, or a Canadian tank nearer 300 gallons.
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Heating oil K-factor explained
The number your oil dealer uses to time deliveries, and how to compute yours from two slips.
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When to order heating oil
The quarter-tank rule, winter delivery lead times, what a run-out costs, and COD versus automatic.
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Why a 275 tank holds about 240
Nominal size, geometric capacity, and the fill whistle: why a full 275 is about 240 gallons.
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How long do oil tanks last?
Tanks die from the inside. The four failure causes ranked, the warning signs, and what actually extends a tank's life.
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Oil tank replacement cost
What replacing a tank costs, what drives the price (type, access, removing the old one), and why it is usually a one-day job.
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Oil tank removal and disposal
A simple aboveground haul-away versus a buried tank with soil testing, permits, and the contamination risk that sets the real price.
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Water in your oil tank
How water gets into a tank, why it breeds sludge and eats steel, how to find it with paste, and how it comes out.
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Outdoor oil tanks in winter
Gelled fuel and frozen lines: why outdoor tanks suffer first, and the prevention that works before the cold snap.
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No gauge, no stick: tracking oil
Broken gauge, sealed tank, unreachable fill: four real ways to know your level anyway, including burner hour math.
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Oil tank reading for a closing
Selling a house with oil heat: how the tank is measured, what the closing ticket says, and how the credit is figured.
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