Posted: March 2, 2026
If your home runs on propane, you already know how versatile and convenient it is. From efficient heating and precise cooking to cozy gas fireplaces and dependable backup power, propane supports comfort in so many ways.
Propane is so easy to use, you may not give much thought to your propane storage tank—other than making sure you have enough fuel. How long does a propane tank last? Does it require maintenance? And how can you make sure it stays safe and reliable for decades?
Here’s what every homeowner should know about caring for their propane storage tank.
Modern propane tanks are built with safety and durability in mind. With proper installation and care, they can provide reliable service for decades.
Aboveground propane tanks are designed to handle weather exposure and typically last 30 years or more before replacement is needed. Some aluminum and composite cylinders may last even longer.
Underground propane tanks generally have a lifespan of 20 to 30 years, depending on soil conditions, moisture levels, and the quality of installation.
In both cases, routine monitoring and some basic maintenance are the biggest factors in how long your tank will last.
Once properly installed, propane tanks require minimal maintenance. Our crew will visually inspect your tank at every delivery, but there are a few simple steps you can take to help keep your tank in excellent condition, starting with annual service for your propane appliances to have connections and pressure checked.
If you have an above-ground tank, check periodically for signs of rust or corrosion on the exterior. Make sure the tank stays level, especially after heavy rain that may soften or shift the ground.
One of the biggest advantages of an underground tank is that it’s out of sight and doesn’t detract from your home’s appearance. Another advantage is the added protection from weather or accidental damage. However, because they’re buried, problems may be harder to spot.
Proper installation should include sacrificial anodes, which help protect the tank from corrosion caused by naturally occurring electrical currents in soil and groundwater. A common recommendation is one anode bag for every 500 gallons of tank capacity. Regular professional inspections and regulator checks are also essential for long-term performance.
While pressure issues don’t usually damage the tank itself, they can lead to leaks, appliance malfunctions, and costly service calls.
The simplest way to prevent pressure-related problems is to keep your propane level above one-quarter full. Running too low can disrupt pressure balance inside the system and affect how your equipment operates.
Automatic delivery service or a wireless tank monitor—we offer both—can help ensure you never run out and provide added peace of mind.
When you’re a Roberts Energy customer, we can help you determine the right size propane tank for your home. We’ll discuss factors like the size of your home, how you use propane (heating, cooking, etc.) and whether you will be adding propane appliances in the future. And, we take care of all the maintenance and ensure your tank is in good shape along with reliable deliveries, friendly service and transparent pricing.
Find out why so many homeowners from Burlington to Brattleboro and across Vermont trust Roberts for all their propane and heating oil needs. Contact us to become a customer today.
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