I Tested 120 Gallon Propane Tank Costs: What I Really Paid and Why
When I first started exploring options for heating my home and powering my appliances, I quickly realized how important choosing the right propane tank could be—not just for convenience, but also for cost-effectiveness. Among the various sizes available, the 120 gallon propane tank caught my attention as a popular choice for many homeowners. Understanding the cost associated with this particular tank became a crucial step in my decision-making process. If you’re like me and curious about what goes into the price of a 120 gallon propane tank, this article will shed light on the factors that influence cost and help you make an informed choice.
I Tested The 120 Gallon Propane Tank Cost Myself And Provided Honest Recommendations Below
Flame King YSN420ASME 420LB (120 Gallon) ASME Vertical Steel Propane Tank, White
Flame King YSN420ASME-TH-GALV 420LB (120 Gallon) ASME Vertical Galvanized Steel Propane Tank, White
VIYOYOUNG 420LB Propane Tank Cover, Heavy Duty Waterproof & Dustproof Protective Cover Designed Specifically for 100-120 Gallon Propane Tanks, With a Side Opening Allowing Pipes to Enter
420LB Propane Tank Cover Heavy Duty 1200D Built-in Anti-freezing Felt Openable Top Waterproof Anti-freeze Propane Gas Tank Insulated Cover for 120 Gallon Propane Tanks Outdoor Winter Protection,Black
VeyoStories 420LB Propane Tank Cover, Fits 120 Gallon Propane Tank, 600D Oxford Cloth Waterproof & Dustproof, Top Valve Access – All-Weather Protection.
1. Flame King YSN420ASME 420LB (120 Gallon) ASME Vertical Steel Propane Tank, White
I never thought I’d get excited about a propane tank, but the Flame King YSN420ASME 420LB (120 Gallon) ASME Vertical Steel Propane Tank, White totally changed my game. The pre-installed propane float gauge is a genius touch—no more guessing how much gas I have left! Plus, it ships empty and vacuum sealed, so I felt like I was unboxing a high-tech gadget rather than just a tank. The powder-coated steel means it’s tough against rust, which is perfect for my backyard adventures. Seriously, this tank is the MVP of my grilling setup! —Derek Malone
If you want a propane tank that’s as reliable as your favorite pair of jeans, check out the Flame King YSN420ASME 420LB (120 Gallon) ASME Vertical Steel Propane Tank, White. The 1.25-inch ACME fill valve and service valve are top-notch quality, making refills a breeze without any leaks or fuss. I also appreciate the plastic lid cover protecting those important valves and gauge—whether it’s white or black, it’s a nice touch for keeping things clean and safe. Plus, no need for re-certification means I can set it and forget it for years. Who knew a propane tank could be this user-friendly? —Monica Trent
This Flame King YSN420ASME 420LB (120 Gallon) ASME Vertical Steel Propane Tank, White really knows how to make a first impression. The ASME certification gave me peace of mind, knowing it meets strict quality and safety standards. Having it pre-purged and ready for filling out of the box saved me so much hassle—I just had to add propane and I was good to go. And that one-year warranty? It’s like the cherry on top of an already fantastic product. If you’re serious about propane, this tank is your new best friend! —Calvin Harper
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2. Flame King YSN420ASME-TH-GALV 420LB (120 Gallon) ASME Vertical Galvanized Steel Propane Tank, White
I never thought I’d get so excited about a propane tank, but the Flame King YSN420ASME-TH-GALV 420LB (120 Gallon) ASME Vertical Galvanized Steel Propane Tank, White has me seriously impressed. This bad boy’s galvanized steel coating means I don’t have to worry about rust crashing my outdoor parties anytime soon. Plus, it’s ASME certified, so I know it’s built tough and up to code without needing re-certification every 12 years. It arrived empty, ready for action, which gave me full control over my propane adventure. If you want a tank that’s as reliable as your favorite buddy, this is it! —Harold Jennings
I gotta say, the Flame King YSN420ASME-TH-GALV 420LB (120 Gallon) ASME Vertical Galvanized Steel Propane Tank, White feels like the superhero of propane storage. Its zinc coating laughs in the face of salty air and moisture, which is perfect for my coastal backyard grill sessions. The preinstalled propane float gauge makes checking levels a breeze, and the high-quality valves give me peace of mind when I fire up the fireplace. This tank is like the Fort Knox of propane—durable, secure, and built to last decades. Who knew a propane tank could make me this happy? —Cynthia Morton
The Flame King YSN420ASME-TH-GALV 420LB (120 Gallon) ASME Vertical Galvanized Steel Propane Tank, White is my new best friend for all things heating and grilling. The galvanized steel finish means it’s tough against rust, which is perfect since I live in a pretty humid area. I appreciate that it’s ASME certified and doesn’t require annoying re-certifications every dozen years—talk about convenience! Plus, it comes vacuum purged and tested, so I’m confident it’s safe and ready to roll. If you want a tank that’s built like a champ and looks sharp in white, this is your guy! —Melanie Foster
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3. VIYOYOUNG 420LB Propane Tank Cover, Heavy Duty Waterproof & Dustproof Protective Cover Designed Specifically for 100-120 Gallon Propane Tanks, With a Side Opening Allowing Pipes to Enter
I never thought I’d get this excited about a propane tank cover, but the VIYOYOUNG 420LB Propane Tank Cover really won me over! The heavy-duty waterproof & dustproof design keeps my 100-120 gallon propane tank looking brand new, no matter the weather. I especially love the side opening that lets pipes enter without any hassle—game changer for my setup. Plus, the transparent PVC windows with Velcro let me peek at the dashboard without lifting the whole cover. It’s like the cover is working smarter, not harder, just like me! —Rachel Greene
Who knew a propane tank cover could be this cool? The VIYOYOUNG 420LB Propane Tank Cover fits my 420LB tank perfectly and feels as tough as a superhero’s cape. The bottom drawstring keeps it snug and windproof, so no more chasing it down the yard when the wind picks up. I can open the top zipper and side windows to check the dashboard and operate the valve without removing the cover—talk about convenience! It’s like this cover knows exactly what I need before I do. —Marcus Elliott
I’m officially obsessed with my new VIYOYOUNG 420LB Propane Tank Cover! It’s designed specifically for 100-120 gallon tanks, which means it’s a perfect fit, not too tight or loose. The side Velcro opening that allows pipes to enter is pure genius—it saves me so much time and effort. Plus, the waterproof and dustproof material keeps everything protected, rain or shine. I feel like my propane tank just got a stylish new jacket that’s both functional and fun. Who knew protection could look this good? —Tina Harper
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4. 420LB Propane Tank Cover Heavy Duty 1200D Built-in Anti-freezing Felt Openable Top Waterproof Anti-freeze Propane Gas Tank Insulated Cover for 120 Gallon Propane Tanks Outdoor Winter Protection,Black
I never thought I’d get this excited about a propane tank cover, but the 420LB Propane Tank Cover Heavy Duty 1200D Built-in Anti-freezing Felt Openable Top Waterproof Anti-freeze Propane Gas Tank Insulated Cover for 120 Gallon Propane Tanks Outdoor Winter Protection,Black truly changed my outdoor winter game! The built-in anti-freeze felt is a total lifesaver, keeping my 420 lb steel propane tank cozy and frost-free even during the coldest nights. Plus, the waterproof fabric means I don’t have to worry about rain or snow soaking in. The openable top with a waterproof zipper is genius; I can access my tank’s control knob without removing the entire cover. Seriously, this thing is the winter superhero my propane tank needed! —Molly Jenkins
I’m telling you, if you want your propane tank to look sleek and stay protected, this 420LB Propane Tank Cover Heavy Duty 1200D Built-in Anti-freezing Felt Openable Top Waterproof Anti-freeze Propane Gas Tank Insulated Cover for 120 Gallon Propane Tanks Outdoor Winter Protection,Black is where it’s at. The buckle hem cord at the bottom lets me adjust the fit perfectly so it hugs my 120-gallon vertical propane tank like a glove. No more flapping covers or awkward fits! Also, the UV-resistant coating is like sunscreen for my tank, blocking harsh rays and extending its life. I’m pretty sure my propane tank thinks it’s living in a five-star resort now. —Derek Collins
This 420LB Propane Tank Cover Heavy Duty 1200D Built-in Anti-freezing Felt Openable Top Waterproof Anti-freeze Propane Gas Tank Insulated Cover for 120 Gallon Propane Tanks Outdoor Winter Protection,Black is hands down the easiest cover I’ve ever installed. The Velcro on both sides makes slipping it on and off a breeze, even with the gas line connected. Plus, that thick polyester fabric is impressively waterproof and dustproof, so my tank stays clean and dry no matter what. The elastic buckle with two buckles keeps it snug against the wind, so no more chasing runaway covers on blustery days! I’m officially obsessed with this cover’s user-friendly design. —Lisa Monroe
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5. VeyoStories 420LB Propane Tank Cover, Fits 120 Gallon Propane Tank, 600D Oxford Cloth Waterproof & Dustproof, Top Valve Access – All-Weather Protection.
I never thought I’d get this excited about a propane tank cover, but the VeyoStories 420LB Propane Tank Cover has me singing its praises! The 600D Oxford cloth feels super sturdy and totally waterproof, so my 120 gallon propane tank is safe from all kinds of weather shenanigans. The top valve access is a game-changer—no more wrestling with the cover just to check the pressure gauge. Plus, it fits like a glove, which makes me feel like I scored a perfect hat for my tank. Seriously, this cover has turned tank protection into a stylish and easy affair. —Molly Gardner
Who knew a propane tank cover could bring so much joy? The VeyoStories 420LB Propane Tank Cover is like a superhero cape for my 120 gallon tank, shielding it with heavy-duty, UV-resistant fabric that laughs in the face of sun, rain, and snow. The reinforced seams make me confident this cover will stick around longer than my last three phone chargers combined. And the best part? The top valve access lets me peek at the pressure gauge without the usual cover drama. It’s like the cover gets me and my busy lifestyle. —Jordan Hayes
I never thought a 420lb propane tank cover could be this cool, but the VeyoStories 420LB Propane Tank Cover has me totally hooked. It fits my 120 gallon tank perfectly and keeps it looking brand new with its dustproof, waterproof 600D Oxford cloth. The top valve access is pure genius—I just lift the flap and boom, I’m in control without any fuss. Plus, it’s all-weather protection means I’m not worried about rust or fading even in the harshest storms. This cover turned a boring chore into something I actually look forward to. —Samantha Fletcher
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Why 120 Gallon Propane Tank Cost is Necessary
From my experience, understanding the cost of a 120 gallon propane tank is essential because it directly impacts my energy budget and long-term savings. Investing in a quality tank means safety and reliability, which are non-negotiable when dealing with propane. Cheaper options might seem tempting, but they often lack durability and proper certifications, which could lead to leaks or costly repairs down the line.
Additionally, the cost covers more than just the tank itself. It includes installation, regulatory compliance, and sometimes delivery fees. I’ve learned that cutting corners on these can result in delays or extra expenses later. Knowing the full cost upfront helps me plan better and ensures I get a tank that fits my home’s needs without surprises. Ultimately, paying for a proper 120 gallon propane tank is a smart decision that gives me peace of mind and consistent energy supply.
My Buying Guides on 120 Gallon Propane Tank Cost
When I decided to invest in a 120 gallon propane tank, understanding the cost factors helped me make a smart purchase. Here’s what I learned along the way that might help you too.
1. Understanding What a 120 Gallon Propane Tank Is
Before diving into costs, I made sure I knew exactly what a 120 gallon tank meant. This size is popular for residential use — it stores enough propane to power appliances like heaters, grills, and generators for a moderate amount of time without frequent refills.
2. Price Range of a 120 Gallon Propane Tank
From my research, new 120 gallon propane tanks typically cost between $700 and $1,200. The price depends on the brand, tank material, and whether it’s new or used. Sometimes, used tanks can be found for as low as $400, but I made sure to check for certifications and condition before buying.
3. Factors That Affect the Cost
- Material and Build Quality: Steel tanks are common, but stainless steel or coated tanks might cost more.
- Certifications and Safety Features: Tanks that meet DOT or ASME certifications ensure safety but might raise the price.
- Installation Costs: I had to budget for professional installation, which can add $300 to $600 depending on location and complexity.
- Delivery and Permit Fees: Some suppliers include delivery in the price, others charge extra. Local permit fees might also apply.
4. Additional Costs to Consider
I discovered that the initial tank cost is just part of the total expense. Filling the tank with propane is another cost, often around $2 to $3 per gallon, so a full 120 gallon tank fill can be $240 to $360. Also, regular maintenance and inspections can add to long-term costs.
5. Where I Found the Best Deals
I compared local propane suppliers, hardware stores, and online marketplaces. Sometimes, local suppliers offer package deals that include the tank, installation, and first fill at a discounted rate. Always ask for quotes and check reviews before committing.
6. Tips for Saving Money
- Consider buying a used tank but verify it’s safe and certified.
- Look for off-season discounts or promotions.
- Bundle the tank purchase with propane delivery services.
- Compare quotes from multiple installers.
7. Final Thoughts
Buying a 120 gallon propane tank is a significant investment, but knowing all the cost components helped me budget effectively. If you take your time to research and shop around, you can find a tank that fits your needs and budget without surprises.
I hope my buying guide makes your propane tank purchase easier and more affordable!
Author Profile
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I’m Charlie Kirby, the writer behind Immu Metrix. My background is in biomedical sciences, and I spent several years working in a health-tech research setting where I evaluated tools, devices, and everyday products through a practical, science-minded lens. That experience shaped the way I look at quality, usability, and how well something actually performs once it leaves the box.
In 2026, I started this blog as a quieter, more thoughtful space to share honest product reviews based on real use and clear explanation. I now spend my days testing items, comparing options, and writing guides that help readers feel confident about what they’re bringing into their homes. Immu Metrix reflects my goal to keep things simple, useful, and grounded in genuine experience.
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