Family-owned heating oil delivery since 1988 · Nassau & SuffolkNo heat? Get help · Call 631-264-8800
Alcus Fuel Oil & Sons logoAlcus Fuel Oil & SonsAmityville, NY · Since 1988
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Heating oil guides

Straight answers from a family oil company in Amityville. No heat right now? Get help or call 631-264-8800.

How Long Does a Tank of Heating Oil Last on Long Island?
How many gallons a Long Island home burns per day in fall vs. a cold snap, how long 100 gallons or a 275-gallon tank lasts, and when to reorder.
How to Read Your Oil Tank Gauge (and When to Order)
What the float gauge on a 275 or 330-gallon oil tank means, how many gallons are left at 1/4, 1/2 and 3/4, and when to call for a delivery.
Oil Furnace or Boiler Not Working? 7 Safe Checks First
Your oil boiler or furnace stopped working? Seven safe things to check before you call — thermostat, switch, breaker, oil level, reset button — and when to stop and call us.
When to Schedule an Oil Burner Tune-Up
Why oil burners need a yearly tune-up, the best time to book on Long Island, what a cleaning includes, and signs your burner needs attention now.
How to Apply for HEAP 2026–27 in Suffolk or Nassau
Step-by-step HEAP 2026–27 help for Long Island heating oil customers: dates, the $990 oil benefit, who qualifies, where to apply in Suffolk or Nassau, and Emergency HEAP.
Automatic vs. Will-Call Oil Delivery: Which Is Right?
Automatic oil delivery or call-when-you-need-it (COD)? How each works with a Long Island oil company, who each suits, and how to switch.
Ran Out of Heating Oil? What to Do Now
What to do right now, how to restart your burner after a delivery, and how to never run out again.
How Much Heating Oil Do I Need? (Calculator)
Estimate your yearly and daily oil use and how much your tank can take today.
HEAP 2026–27: Help Paying for Heating Oil
Dates, the $990 oil benefit, who qualifies and how to use HEAP with Alcus Fuel.
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