Never get caught short on oil, plus get the best price on every fill.
Your tank level on your mobile. Anywhere. Anytime.
Emerald is a battery-powered radar monitor that sits on top of your tank and sends readings straight to your phone over the mobile network. No drilling and no wiring: just peel off the backing and stick it on. Our app will let you know when you are running low or there is a sudden drop.
Best of all, when you're ready to order you can browse live local prices and order right in the app. No transaction fees. No markups.
Your tank and local prices, all in one place.
Tank
Level, litres left, weeks remaining and the date to order by. Alerts when you are running low or there is a sudden drop.
Prices
Live prices per litre from oil suppliers near you, and the total to fill up. Pick one and order in the app.
Order
Your order goes straight to the supplier, with the price and delivery date confirmed in the app.
Coming spring 2027
Be first to know when Emerald is ready to order.
Coming Spring 2027
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Do I need Wi-Fi?+
No. Emerald uses the mobile network.
Does this require a subscription?+
No. There are no monthly fees.
Will this work with my tank?+
Emerald works on any plastic heating oil tank with a reasonably flat surface somewhere on the top of the tank.
What is the battery life?+
Emerald has a 10 year battery life.
How does ordering oil work?+
Enter the amount of oil you'd like to purchase and your Eircode. Then simply browse live prices from local suppliers and order right in the app. No transaction fees. No markups.
What do you do with my data?+
We only use your email to let you know when Emerald is ready to order. We never sell it, and you can ask us to delete it at any time. See our privacy notice for details.
When can I get one?+
Emerald is coming spring 2027. Waitlist members get it for {{ price }}. It will be {{ launchPrice }} at launch.