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Posted: November 17, 2025
It’s easy to understand why so many Wilson Oil and Propane customers choose automatic propane delivery. It’s the ultimate convenience—no need to keep track of your fuel level or worry about running out on a cold winter night.
With automatic delivery, our team manages your propane supply for you, ensuring your tank always has enough fuel to keep your home warm and comfortable.
When automatic delivery is paired with wireless tank monitoring, it becomes an even more precise system. The monitor sends us real-time updates about your tank level, so we know exactly when you need a refill. You can even check your propane level anytime from your phone. It’s peace-of-mind made simple.
Still, some customers prefer to take a more hands-on approach and watch their own propane usage. If you fall into that category, no problem—here’s everything you need to know about reading your propane tank gauge and making sure you never run out of fuel.
Checking your propane level is quick and easy once you know where to look.
As a general rule, you should schedule a delivery when your tank reaches 30% or less. This ensures there’s plenty of time to deliver propane before your supply runs out, especially during high-demand winter months.
If you’ve ever wondered why your propane gauge doesn’t ever show “100%” even right after a delivery, you’re not alone. The answer comes down to safety and science.
Propane is stored as a liquid in your tank, and it turns into gas before being used in your heating system or appliances. Like most liquids, propane expands when it warms up—but it expands much more dramatically than water.
Because of that, our delivery drivers must leave extra space in your tank to allow for safe expansion. This is known as the 80/20 rule:
That extra 20% of space provides a cushion against pressure buildup as the liquid propane expands. For example, a 500-gallon tank filled to 80% safely holds 400 gallons of propane.
You may also notice that your gauge reading fluctuates slightly with changes in temperature—dropping during cool nights and rising during warm days. This is perfectly normal. The actual amount of propane in your tank isn’t changing; it’s simply the density of the liquid shifting due to temperature.
One final tip: avoid painting your outdoor propane tank a dark color. Dark surfaces absorb more heat from the sun, which can cause unnecessary expansion and pressure fluctuations inside the tank.
Whether you manage your own propane supply or prefer the convenience of automatic delivery, Wilson Oil and Propane is here to help. We provide safe, prompt, and dependable propane delivery to homes and businesses in Newtown Square, PA, and throughout southeastern Pennsylvania and the Delaware Valley.
As a full-service propane company, we also manage everything from equipment installation and repairs to preventive maintenance and service plans. With a Wilson service plan, you can protect your system, control repair costs, and enjoy priority emergency service whenever you need it most.
Let our experts take the stress out of propane management—so you can stay warm and worry-free all season long.
Contact Wilson Oil and Propane today to learn more about our delivery options, service plans, and propane solutions for your home.
