How to Read a Heating Oil Tank Gauge

how to read an oil tank gauge

If you’re new to home heating oil, you may be wondering how to read an oil tank gauge. Or for that matter, how much oil does a heating oil tank even hold? In this post we’ll break down the different types of oil tank gauges and how to read them.

Types of Heating Oil Tanks

Home heating oil, like propane, is a ‘delivered fuel’. This means it must be delivered to your house on a truck, rather than supplied directly to your house like natural gas or electricity. As a result, you must store heating oil in a holding tank at the house.

Heating oil tanks can be found indoors in a garage or basement (most common), outdoors just outside the house (less common), or even buried under the ground (least common). Indoors is the best place for a heating oil tank because it is safe from the elements. Just imagine what rain, sun and snow can do to a steel tank over time. An indoors location will shield the tank, and make any leaks or issues easy to spot.

Buried Tanks

Buried oil tanks are less common today than they once were. The problem with buried tanks is they can leak over time without anyone knowing. This can make for a very expensive removal and remediation process. Once a buried tank reaches 30 years of age, it is recommended to have it removed and replaced with an above-ground tank, preferably indoors.

Buried oil tanks, like this one shown here, are less common today than they once were. This 2000 gallon tank here was leaking and required two truckloads of contaminated dirt to be removed.

Above-Ground Tanks

Above-ground tanks are much preferred to buried tanks. Detect leaks faster and be proactive with your tank maintenance with an above-ground tank.

Indoor tanks are much preferred over outdoor tanks. This 275 gallon indoor tank is safe from the outdoor elements.

Types of Tank Gauges

Above-ground heating oil tanks typically have a float gauge up top. A float gauge relies on an arm with a floating end to it (picture a cork) that moves up and down with the oil in the tank.

This is the most common type of float gauge that will be found on a home heating oil tank.
The disc inside this vial indicates the tank level. For a 275 gallon tank (most common), 1/4 tank means 68 gallons remaining. 1/2 tank means 138 gallons remaining, and 3/4 tank means 206 gallons remaining.

Smart Oil Gauge

A much more precise way to measure your heating oil tank is by using an ultrasonic sensor such as that found in a Smart Oil Gauge. With the exception of the top 8″ of the tank, the Smart Oil Gauge will provide readings within a few gallons in your tank.

To check your heating oil level with the Smart Oil Gauge, simply open the app. It will display the level, in gallons, as well as some usage statistics. You will see how much oil you are using and when you will need to order heating oil next.

Reading a Smart Oil Gauge is self-explanatory. Just open the app, and voila!

How Much Oil Can I Order?

Based on the size of your tank and how much oil is in it, you should know how much you can order for your tank. Follow this guide here to determine how much heating oil you can fit in your next delivery. For tanks beyond the standard 275 and 330 gallon tanks, use this tank chart here.

Use this chart as a guide to see how much heating oil you can order.

Refer to a Tank Chart For the Most Precise Reading

To be absolute sure your float gauge or Smart Oil Gauge is providing a perfect reading, grab a tape measure. Measure your tank to confirm its dimensions. Then, place a yard stick inside the tank to measure the height of the oil in the tank. Check the tank chart for you tank here and you’ll know how much oil is in the tank.

Happy heating,

Steve

Exporting Data From Smart Oil Gauge

export data from smart oil gauge

If you enjoy crunching numbers like me, you’ll be happy to know that you can export the tank readings from your Smart Oil Gauge. In this post we’ll walk through how to export data into Excel.

Smart Oil Gauge Tank Readings

Your Smart Oil Gauge records a level reading from your tank every hour of the day. It uploads these readings after a certain time interval has elapsed. This interval is known as the upload interval. An upload interval of 4 means that every four hours the Smart Oil Gauge connects to WiFi to upload the latest batch of readings to the cloud. An upload interval of 1 means every hour, and an interval of 24 means once per day. An interval of 12 or 24 will improve battery life over the long run.

When you open your app, the app checks the cloud for new readings. Pressing the refresh button in the app also checks for new readings in the cloud. It does not, however, trigger a new reading from the gauge itself. To manually force a reading, press the configure button on the Smart Oil Gauge for half a second. Then, refresh the app and look for a new ‘Last Reading’ time stamp.

Smart Oil Gauge Records 24 Readings Per Day

Regardless of your upload interval setting, the Smart Oil Gauge still takes 24 readings per day. After many months or years, this adds up to a LOT of data points. For this reason, we have added an Export Data feature to our site. Just go to the My Tanks page and follow the instructions below to export data.

Log into the My Tanks page at www.SmartOilGauge.com. Once there, select the tank you would like to view (if you have multiple Smart Oil Gauges). Then, click the hamburger menu in the top right (three lines) and click Export Data.
Choose a date range for the Smart Oil Gauge readings you would like to export. The system will include all the data back to when it was first installed. Click Export and it will generate a .CSV file which can be viewed in Excel.

Start Crunching Numbers!

Once you’ve downloaded your Smart Oil Gauge data, feel free to start crunching numbers! If you would like to see how much oil you are burning each day based on outdoor air temperature, check out Weather Underground. This website lets you download historical low, average, and high temperatures by zip code. You can overlay this data with your Smart Oil Gauge data and have some real fun!

Happy heating,

Steve

Negative Oil Prices?!

Well, it’s been another crazy week in the oil markets. Crude oil futures contracts for May expired earlier this week, and with so little demand for oil, no one was willing to buy them! As a result, traders ended up having to pay to have these futures contracts taken off their hands. The end result: prices went negative.

Here’s what we’ll cover below:

  • What is an oil futures contract?
  • No demand for oil, and nowhere to store it
  • Why did oil prices go negative?
  • What does this mean for heating oil prices?

What is an Oil Futures Contract?

An oil futures contract is an agreement to buy oil at a future date at a predetermined price. Traders buy these contracts with the hope that the price for oil goes up. When this happens, the trader can then sell the contract for a profit. With that in mind, there’s always the risk that the price for oil goes down. When this happens, the trader may take a hit when selling the contract.

No Demand For Oil, and Nowhere to Store It

The COVID-19 pandemic has brought global travel to a halt. With schools and non-essential businesses closed, and trips cancelled, there are almost no airplanes in the sky, and very few drivers on the road. In fact, there are so few drivers on the road that accident insurance claims have fallen by as much as 60% in recent weeks.

Despite there being almost no demand for oil, it is still being pumped out of the ground. As a result, storage tanks are at capacity all throughout the country. There is simply no good place to store oil at this time.

crude oil storage tanks
The COVID-19 pandemic has greatly reduced oil demand. Storage facilities are at capacity, and oil is still being produced. As a result, May futures prices for crude ended up going negative, as traders could not find anyone to buy the contracts.

Why Did Crude Oil Prices Go Negative?

With almost no demand for oil, and nowhere to store the oil being pumped out of the ground, traders were left with May futures contracts that were expiring this week. If they did not sell these contracts, the traders would have had to take delivery of actual barrels of oil next month. For a trader sitting behind a desk somewhere, this would be a big problem! Traders frantically did whatever they could to get rid of these contracts, and eventually started offering money for people to take them.

Crude oil prices reached record low negative prices in April 2020.
Crude Oil Futures prices for May went negative this week. The COVID-19 pandemic has drastically reduced demand for global oil consumption, leaving nobody interested in buying these contracts.

What Does This Mean For Heating Oil?

Heating oil prices tend to lag slightly behind crude prices. As such, we’ve seen heating oil prices adjust accordingly in the past two days since crude futures prices dropped. For those of you who remember heating oil prices north of $4 a gallon some years back, paying under $1.50 a gallon feels pretty good right about now!!

If you’ve got room in your tank, now would be a great time to fill up.

Happy heating,

Steve

Smart Oil Gauge – Our Story

smart oil gauge first orders

It was late 2010 when I discovered heating oil for the first time. I always knew ‘of’ heating oil, but never gave it much thought growing up. My parents’ home had two giant buried oil tanks, and the truck would come once a year, delivering somewhere between 2000 and 3000 gallons. Little did I know how unusual this is, and that most homes do not have 3000 gallons of underground storage available!

My real introduction to heating oil came when I moved into my first house – an 1865 Victorian fixer-upper in Ridgefield, CT. The house was all original: single-pane floor-to-ceiling windows, no insulation, 11 foot ceilings, and a 30 year-old oil-fired furnace that must have replaced a coal furnace before that. Fueling the furnace was a single, 275 gallon oil tank in the basement. As we quickly discovered, that tank needed refilling quite often as the cold months came in!

This is the old house where the idea for the Smart Oil Gauge WiFi Heating Oil Tank Gauge originated.
This 1865 Victorian in Ridgefield, CT is where the idea for the Smart Oil Gauge originated. With 11 foot ceilings, single-pane windows, and no insulation, the home burns through a tremendous amount of home heating oil every winter.

Automatic Heating Oil Delivery

Like most homeowners do, the first thing I did was go through the checklist of services that we would need. Garbage was easy…the first direct mail piece that showed up in the mailbox told me that that company had their act together. Electricity and cable…there is only one option for each in Ridgefield, so those were easy too. Heating oil delivery, I would later learn (years later, in fact), was actually a very competitive space, and choosing the right supplier (or suppliers), could amount to hundreds of dollars of savings every year.

What I ended up doing for those first couple of winters is signing up for ‘Automatic Heating Oil Delivery’ with a company in the next town over. I would sign a contract with them, they would check my credit, and then they would simply show up on their own schedule and top the tank off now and then. There was never any normalcy to their delivery schedule. All I remember from those first few years was coming home from work every day, and dreading finding another $500+ delivery ticket in the mailbox.

By the second and third winter in the house, heating oil prices started to rise significantly. At times I was paying over $4 a gallon, and was really having a hard time with it. I rented out a couple of bedrooms in the house to friends, and splitting the heating oil bill became so contentious that one of the roommates left mid-winter. We tried everything to conserve heating oil. We would put plastic up on the windows to seal out any drafts. We would turn the heat to 50 degrees during the day while we were all at work. Other times, we would leave the heat alone all day, thinking that was the better move. We really had no idea what was working – if anything – and by the fourth winter, I simply decided to try a new supplier.

Budget Payment Plan

I remember chatting about my heating oil woes with one of my trusted friends, and decided to give the company he uses a try. This company offered me the stability of a ‘Heating Oil Budget Payment Plan’, wherein I would make consistent monthly payments for 9 months out of the year. This would soften the blow of those cold winter months and sounded like a good plan to me.

Before long though, it turned out that this Budget Plan was too good to be true. After only a few months in, I got a letter saying their estimates were wrong, and my $300 monthly payment wasn’t going to cut it. $300 become $450 and ultimately became almost $700 by the end of the winter. Suddenly, summer had arrived and I was still paying $700 a month for last winter’s heating oil.

As I’ve since learned, customers on Budget Payment Plans are the most profitable type of customer. The reason is two-fold: 1) the heating oil delivery company can deliver on their own terms – even topping you off at the end of the season right before the contract is up; and 2) they can charge very high prices for oil. Since the impact of those high prices is spread over many months, the homeowner will not notice it immediately. But I digress…back to my Smart Oil Gauge story!

Locking-In a Heating Oil Price

Around 2015, after experimenting with a budget payment plan and seeing sky-high oil prices, I decided to lock in on an oil price for the first time. This would alleviate the concern that if prices went up, I would be on the hook. All started out well that year, but when prices started to come back down a bit, I was left stuck at the price I agreed to. This didn’t bother me too much, as I knew that it could have gone the other way. But in the process of seeing what prices heating oil was going for those days, I discovered the ‘Cash’ or ‘COD’ heating oil market. This was a whole new way of buying heating oil it seemed: if you simply waited until your tank was low, and called up an oil dealer for a delivery, you would get a seriously discounted price for oil. Let me repeat…instead of being loyal, and counting on one single heating oil supplier for the year…you could simply order oil as needed and actually save money!? This seemed completely backwards to me. In what other industry do you get a worse deal by committing all your business to a single company?

The Idea For The Smart Oil Gauge

In May, 2016, at the end of another expensive heating oil season, I thought to myself there had to be a better way. If only there were a device on the tank that could tell me on my phone how much oil was in the tank at any given time, I could start taking control of our heating oil consumption. We could set it to record the level all throughout the day, so we can actually see when oil was being used. We could determine once and for all whether it made sense to turn the heat down during the day, or leave the thermostat alone. (The answer, it turns out, is it depends on your system…I have forced hot air, so turning the heat down during the day ends up being most cost-effective.)

After putting some thoughts and a back-of-the-envelope business plan together, I called up childhood friend Joe Mygatt, and laid out the plan. Joe and I went to elementary, middle, and high school together, competing in various super-nerdy Science programs along the way, and ultimately both went off to engineering school after high school. Joe had just moved back to CT after working at and co-founding a couple of startups. In his most recent company, he had developed robots that could identify veins in a patient’s arm, and then insert a needle into a vein and draw blood – all without human intervention. I was working for Branson Ultrasonics – a division of Emerson Electric – at the time, leading the Global Product Management team. This was probably the coolest job I could have asked for, as I spent my time traveling between Japan, China, Southeast Asia, and Europe bringing our next generation product line to fruition. When I had the idea for the Smart Oil Gauge, however, I knew we had to jump on it.

When Joe and I first started chatting about the device, you could see the gears turning. Within about a week, Joe had a very crude breadboard with a bunch of wires going to a sensor, taking measurements, and spitting them out on a laptop on the dining room table. I was thrilled, to say the least, and we were off to the races.

We spent the next several months building the foundations of a company. We needed not only to turn that breadboard into a product, but also build a website, a database, instruction guides, packaging, raw materials, circuit boards, and the myriad other things required to take a product to market. We worked long hours – mornings, nights and weekends – and were able to launch the product officially in October, 2016.

Introducing the Smart Oil Gauge – a WiFi Heating Oil Tank Gauge

After a few months of testing, we hand-soldered a bunch of circuit boards and built the first 10 units for sale. We told each other that if we sold 10, we would buy the components to make 100 circuit boards. Well, we put the website up, and within a few days had sold the first 10. With not even a mobile app yet – you had to access the tank levels on our website – we knew we were on to something.

We hand-soldered the first hundred or so Smart Oil Gauge circuit boards. These are now mass-produced for us by printed circuit board suppliers.
Joe and I hand-soldered the very first Smart Oil Gauge circuit boards. Notice the hockey puck we used as a base. This was a great experience, but certainly not something we miss! The circuit boards are now mass-produced for us and come ready to install on our assembly line today.

In the very beginning, we did not even have dedicated packaging. We did our best to make some nice stickers to put on the boxes, and to make a decent-looking QuickStart Guide to go in the box.

The first several Smart Oil Gauge WiFi Heating Oil Gauges shipping off the production line in 2016.
The first few Smart Oil Gauges rolling off the ‘production line’. Over three years later, and many of these are still in use, reporting oil levels all throughout the day.

Customer Support

When we first started shipping the Smart Oil Gauges, we had a Google Voice number that would ring me first, then Joe, if anyone needed help. Since most calls came after hours (people tend to install these types of devices after work), we’d often spend weeknights together getting live customer feedback, while Joe would make programming changes on the fly to get people online.

Steve Williams and Joe Mygatt providing phone support during the first month of the Smart Oil Gauge being on the market.
Joe and I spent many long nights on the phone with customers trying to figure out all the nuances of WiFi connectivity. In the background you can see our whiteboard in my dining that we used to run the business. We had critical ‘to-do’ lists, and a tally of sales in the top right. Eventually we outgrew the dining room and got a real office, but we’ve still got the whiteboard.

Expansion – Wholesale and the Eastern Energy Expo

After hand-assembling those first several hundred Smart Oil Gauges, we continued improving the product and started showing it to the world. We began speaking to heating oil dealers and learned of a trade show that we had to attend: the Eastern Energy Expo. We bought a booth in the summer of 2017, and immediately had interest from a variety of wholesalers. The main one was Sid Harvey’s, a company with 80+ locations that specialized in oil heat. We spent the next several months making a pitch at their corporate headquarters, and negotiating specifics to get our product into stores. We eventually landed a deal where they would put our product in a select number of stores, and expand from there. The product started selling immediately, and we quickly expanded into the remaining locations in the northeast.

With success at Sid Harvey’s, we then entered F.W. Webb, Torrco, Bell Simons, and a variety of other wholesalers that would resell the Smart Oil Gauge to technicians and oil companies.

The Smart Oil Gauge made its heating oil industry debut at the Eastern Energy Expo.
We debuted the Smart Oil Gauge for the heating oil industry at the Eastern Energy Expo in 2017. We were approached by Sid Harvey’s at the show, and began our foray into the wholesale distribution market.

Droplet Fuel – For Heating Oil Dealers

In 2018, we were approached by a number of heating oil dealers who were using our product but wanted it to do more for them. With their feedback, we developed Droplet Fuel, a platform that would report hundreds of Smart Oil Gauge tank levels to a central dashboard for heating oil dealers. This would allow them to optimize delivery schedules, avoid runouts, and improve efficiencies with their automatic delivery customers. Our software speaks directly to the oil companies’ back-office software so customer service representatives can easily pull up a homeowner’s exact tank level if need be.

Droplet Fuel provides a heating oil tank monitoring dashboard for dealers.
Droplet Fuel provides a dashboard for heating oil dealers to monitor tank levels from their office. It integrates with their back office software and allows them to optimize delivery routes and reduce runouts.

We also developed a way for dealers’ will-call (on-demand) customers to reorder heating oil right from the Smart Oil Gauge app. This proved to be an extremely valuable tool for heating oil dealers. By selling a ‘private-label’ Smart Oil Gauge, their customers could order from them with the touch of a button, and have fuel on the way in no time. This created a much stickier customer for the heating oil dealer, and customers loved it too. With the Droplet Fuel platform, we had developed a recurring revenue stream for the business, and tested a new way of ordering heating oil, which would ultimately lead to our next project.

FuelSnap – A Heating Oil Marketplace

After building a solid reputation online for the Smart Oil Gauge, and developing a technology platform that would connect homeowners and heating oil dealers, we started laying the groundwork for FuelSnap. FuelSnap is a marketplace for heating oil that eliminates nearly all of the friction in the ordering process. With or without a Smart Oil Gauge, a homeowner can quickly review prices for local heating oil dealers. They can read reviews, see when the delivery can be made, and order oil in seconds. Payment is made securely with a credit card, and the Smart Oil Gauge knows exactly how much to order. We signed up over 50 dealers to join FuelSnap in the first few months, and are hearing nothing but great feedback about FuelSnap so far.

FuelSnap is an online marketplace for heating oil. Buy heating oil online and choose from reputable dealers. Pay securely with a credit card.
FuelSnap is a marketplace for buying heating oil online. Choose a dealer, an amount, and a deliver by date and pay with a credit card in seconds.

Smart Oil Gauge in 2020

Smart Oil Gauges being produced in Danbury, CT.
Smart Oil Gauge is assembled on a dedicated assembly line in Danbury, CT. After the assembly process is complete, the devices are run through a Quality Control protocol before they are packaged and shipped out.

In the last few years, we’ve gone from an idea, to hand-building Smart Oil Gauges in Joe’s barn, to having a dedicated assembly line, and an amazing team of customer service, sales, assembly, and software developers to support our growing community of users.

If you’ve got oil-heat and a similar story to mine, it’s time to give the Smart Oil Gauge a try! Watching your consumption by the hour, and ordering oil in a matter of seconds are two things you soon won’t be able to live without :-).

Happy heating,

Steve