Propane Tank Sizes
Get the Right Tank Installed and Delivery Without Guesswork
Which Propane Tank Size Is Right for Your Home?
Picking the wrong size is the #1 reason Ohio homeowners run out of fuel mid-winter. We help you match the right tank to how your home actually uses propane, not just a guess based on square footage.
Most homeowners who run out of propane in the middle of January aren’t just unlucky, their tank was undersized for how their home actually uses fuel. It’s one of the most common situations we see after 16 years of serving Central Ohio families.
Here’s the thing about propane tanks that surprises a lot of people: they’re only filled to about 80% capacity for safety reasons. So a 500-gallon tank only gives you 400 gallons of usable propane. If you sized your tank based on average weather, you could run short during a real Ohio winter.
We factor in your peak usage days, not just your average, so your family stays warm even when temperatures in Marysville or Delaware drop into the single digits for a week straight.
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A quick rule of thumb:
If you’ve ever had to call for emergency delivery, your tank is probably the wrong size, or you need to switch to auto-fill. Both are easy to fix. We handle it all the time.
What We Look at When Sizing Your Tank
We don’t just measure your square footage and guess. Here’s what actually drives the recommendation:
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Your appliances, not just your home size
A 2,000 sq ft home with a propane furnace, water heater, and range uses fuel differently from one with just a range.
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Peak demand, not average demand
Ohio winters have stretches of extreme cold. We size for those weeks, not the mild days in October.
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Property access & delivery timing
Rural properties or long driveways benefit from larger tanks that reduce delivery frequency.
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Generators & backup systems
Whole-home generators can consume significant fuel during outages, something many sizing guides ignore.
Propane Tank Size Options
Every tank is matched to real usage patterns, not just the size of your home. Here’s what each size is designed to handle.
250 Gallon Propane Tank
Supplemental or smaller homes with limited usage
If you’re using propane for cooking, a water heater, or as a backup, but not for whole-home heating, this size usually does the job. It also works for small homes under 1,200 square feet with moderate heating use.
Learn More
500 Gallon Propane Tank
Whole-home heating with everyday appliance use
This is the most common tank size for Central Ohio homeowners, and for good reason. It holds enough usable fuel to get through extended cold stretches without emergency fills, works with auto-fill scheduling, and fits most residential properties.
Learn More
1000 Gallon Propane Tank
High-demand homes, farms, generators & commercial
For properties that use propane heavily, such as large homes, agricultural operations, businesses, or homes with whole-property generators, this is the right choice. Fewer deliveries, better bulk pricing, and peace of mind through the deepest Ohio winters.
Learn More
Match Your Situation to the Right Tank
In many cases, propane systems are designed to operate with tanks filled to about 80% capacity, which means choosing the right size is even more important to ensure you always have enough usable fuel.
When the size is wrong, you’ll feel it quickly:
- Running low during peak winter
- Scheduling frequent refills
- Paying more in delivery costs
- Limiting how you use appliances
Not sure where you fall? Here’s a plain-language breakdown by household type, no technical jargon.
Why Homeowners Trust Our Propane Tank Recommendations
- We base sizing on real usage, not estimates
- We’ve handled emergency run-out situations and prevention planning
- We install systems designed for long-term reliability, not short-term fixes
- We support ongoing delivery and monitoring, not just installation
Installation, Delivery & Ongoing Support All in One Place
Choosing the right tank is only part of the process.
We handle everything needed to keep your propane system running smoothly:
- Professional propane tank installation
- Safe and compliant setup
- Reliable propane delivery scheduling
- Ongoing system support and maintenance
This ensures your system is not only installed correctly but also continues to perform long-term.
How to Know Which Propane Tank Size Is Right for You
Most homeowners fall into one of these categories:
- Smaller homes or limited propane use → Mid-size tank is usually enough
- Typical family homes with heating + appliances → Standard tank is the most reliable choice
- Large homes or high-demand usage → A larger capacity tank is the better long-term solution
If you’re unsure, the safest approach is to choose a tank that can handle your highest usage, not just average demand.
Above Ground or Underground: What’s Better for Your Property?
Both work well. The right choice depends on your property, access needs, and personal preference. Here’s the honest breakdown.
⬆️ Above-Ground Tank
The standard for most Ohio residential installs
- Faster, lower-cost installation
- Easy for drivers to inspect and fill
- Simpler maintenance and monitoring
- Better for properties with easy access
- Visible from the yard, some homeowners prefer to screen
⬇️ Underground Tank
For homeowners who want it out of sight
- Completely hidden, it preserves your yard’s look
- Naturally insulated from extreme Ohio cold
- Great for Dublin and suburban properties
- Higher upfront installation cost
- Maintenance requires excavation access
Not sure which to choose? Call us, we’ll look at your property layout and give you a straight recommendation, not a sales pitch.
How Proper Tank Sizing Reduces Long-Term Costs
Many homeowners focus only on upfront cost, but the real savings come over time.
With the right tank size:
- You reduce delivery frequency
- Avoid emergency service calls
- Improve fuel efficiency planning
Over time, this leads to lower overall propane costs and fewer disruptions.
What Happens When You Get the Right Setup
These are real Google reviews from Central Ohio homeowners who got their tank situation sorted out with Union Propane.
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★★★★★
NEW TO PROPANE — OHIO
“We are new to using propane and needed help understanding delivery schedules and auto-fill options. The process was simple and stress-free.”
MK
Mark K.
Central Ohio
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★★★★★
NEW HOMEOWNER — OHIO
“Every time we called, they answered our questions and made us feel comfortable. Service felt personal and reliable.”
JL
Jennifer L.
Marysville, Ohio
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★★★★★
HOME + BUSINESS — OHIO
“We’ve used them for years and couldn’t be happier. Dependable service and no surprises.”
TD
Ted D.
Central Ohio
Tank Installation Across Central Ohio
We install and service propane tanks in these communities and throughout Ohio.
Marysville
43040 • Home Base
Dublin
43016
Delaware
43015
Plain City
43064
Columbus
& surrounding Ohio
Frequently Asked Questions About
What size propane tank do most Ohio homes need?
Most single-family homes in Central Ohio that use propane for heating and daily appliances go with a 500-gallon tank. It balances delivery frequency, cost, and reliability well for Ohio winters. Smaller homes with light propane use can manage with 250 gallons, and large properties or farms usually benefit from 1,000 gallons or more.
Why can't I fill a propane tank all the way to 100%?
Propane expands with temperature changes, so tanks are only filled to about 80% of their capacity as a safety standard. This means a 500-gallon tank gives you roughly 400 gallons of usable fuel. It’s an important detail when sizing, you need to plan around your usable capacity, not the tank’s total size.
Is a bigger tank always the smarter choice?
Generally, yes, a larger tank reduces delivery frequency, often gets you better bulk pricing, and keeps you covered during extended cold stretches. But it still needs to match your actual usage. If you’re only using propane for cooking, a 1,000-gallon tank is overkill and a poor use of your property. We help you land on the right fit, not the biggest one.
Can I upgrade my propane tank size later?
Yes, you can upgrade, but it does involve additional installation costs and sometimes permitting, depending on your property and location in Ohio. Getting the right size from the start is almost always more cost-effective. If you’re genuinely unsure, we’ll walk you through the options before you commit to anything.
Do you install propane tanks in Dublin, Delaware, and Plain City?
Yes. We install and service propane tanks across Central Ohio, including Marysville (our home base), Dublin (43016), Delaware (43015), Plain City (43064), Columbus, and throughout much of the state. Call us to confirm service availability in your specific area.
What's included with tank installation?
Our installation includes professional placement of the tank, safety-compliant setup and connections, pressure testing, regulator installation, and a walkthrough of how your system works. We also help you get set up with a delivery schedule, auto-fill, or on-demand, before we leave.
What about propane for generators or backup power?
Whole-home propane generators can consume a significant amount of fuel during extended power outages, often 2–3 gallons per hour, depending on the load. If you have or plan to install a propane generator, this needs to be factored into your tank sizing. Most homes with generators need at least a 500-gallon tank, and many benefit from 1,000 gallons.
Get the Right Propane Tank Size Installed Today
If you’re unsure which propane tank size is right, Union Propane recommends waiting until your tank runs low or empty, as small mistakes turn into urgent problems.
Talk to our team today and get the right propane setup for your home.
