What Happens If I Let My Tank Run out of Propane?

What Happens If I Let My Tank Run out of Propane

March 12, 2018 ____ Propane Answers

What Happens If I Let My Tank Run out of Propane?

Running out of propane is a serious no-no that can cause all kinds of problems–and potential dangers–for you in your propane-powered home.

In fact, one of the best ways to practice propane safety is to make sure you never run out of propane gas!

Consider the following consequences of letting your propane tank run out:

  • If a valve or gas line is open when the propane supply runs out, a leak can occur when the system is recharged with propane.
  • Air and moisture that penetrates an empty tank can cause rust build-up inside the tank. Rust decreases the concentration of the odor of propane, making it more difficult to smell.
  • Any pilot lights on your appliances will go out if your propane tank runs out–a problem that can be extremely dangerous if not handled properly.
  • Any interruption in service, including an out-of-gas call, requires that a qualified technician perform a leak test–paid for by you–to meet federal code requirements (National Fuel Gas Code Section 4.2.1/4.2).

The bottom line: Don’t run out of propane!

The good news is you can avoid all these problems with FREE Automatic Propane Delivery, which uses your historical usage and house size to estimate when you’ll need more propane.

For even more peace of mind, try our fully-monitored Tank Butler Service.

Never run out of propane again! Contact Paraco today to sign up for FREE Automatic Delivery or Tank Butler service!


  1. We use propane gas tfor our hot water heater. This is the first time in 33 years that we ran out of gas …..today. We are concerned. We cut off the switch to the tank for the gas coming to the house. How long can you be out of propane gas in your tank before it is considered dangerous. Thanks

  2. I like what you said about your tank developing a leak when you run out of propane. My sister has been telling me about how she wants to start using propane to heat her home soon. I’ll share this information with her so that she can look into her options for propane services that can help her with this.

  3. It’s helpful that you mentioned that an empty propane tank can be very susceptible to rusting. I’m going to keep that in mind when finding a propane delivery service soon. I’d like to make sure that I wouldn’t have an empty tank for a long amount of time in order to avoid damaging it.

  4. If I left the heat on and propane runs out and then is refilled while valve inside the building is still open, what are the dangers? Will it continue to fill the room with propane gas?

    1. Hi JW! If you experience an interruption of service due to your gas supply running out your propane company, after refilling the container will turn the service valve off until a leak check can be done. During a leak check, the propane company verifies that your gas line holds pressure for 3 minutes with no equipment running to ensure that gas is not escaping into the home. At that point, the container valve can be reopened and regular appliance use resumed.

  5. Thanks for the tip that I should also be aware of the federal code requirements when it comes to getting gas line services. I’m interested in looking for a service like that soon because I’d like to have a more reliable way to cook using my grill. I think that having a gas line will help me have access to propane as much as want.

  6. It really helped when you talked about propane tanks and their safety requirements. Recently, my sister moved into another house, and it came with a gas heating system. My sister’s never had a tank before, so I believe your article could interest her. Thanks for the advice on how a full tank helps you avoid an accident at home.

  7. I just had my tank filled last month and its already empty…I live in a trailer and I need someone that can check for a leak for me…any help for me ??

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