Apollo Smart


Apollo Smart is the world’s first home energy monitor, designed specifically for domestic oil heating installations. Utilising, tried, tested and proven technologies, Apollo Smart not only allows heating oil users to ascertain the volume of fuel remaining in their tank, but to monitor heating costs, consumption and emissions too.Apollo Smart also now cleverly incorporates as standard a Fuel Theft Alarm giving heating oil users that added peace of mind knowing they will be alerted to any sudden level drops within their tank.

How It Works

The Apollo Smart consists of a transmitter and receiver unit. The transmitter monitors the level of heating oil remaining inside a home heating oil tank, together with fuel usage and consumption. The transmitter is powered by a long life lithium battery, which in standard operating conditions has a life expectancy of 5-7 years. The transmitter relays data wirelessly to a mains powered receiver unit, where it is displayed via a premium quality, easy to read, LCD display. Unlike some superficially comparable devices, Apollo Smart’s advanced processing capability doesn’t just calculate the level of fuel inside a tank, but instead analyses the volume of fuel remaining and displays to the user an Estimated Days To Empty. This succinct, yet significant difference allows the system to be configured for different shapes and models of tanks, permitting heating oil stocks and usage to be monitored up to 10 times more accurately than many standard electronic oil level monitors.

Standard Display Outputs

Apollo Smart displays the following consumption, emissions and cost data on a daily, weekly, monthly and annual basis:
  • Heating Costs in £s or €s
  • CO2 Emissions in kgCO2
  • Fuel consumption in litres
Additionally, Apollo Smart displays the following information in real time and on demand:
  • Volume of fuel remaining in litres
  • Volume of fuel remaining displayed via bar chart function
  • Number of days supply remaining
  • Internal Air Temperature in degrees Celsius
  • Cold Weather Warning
  • Low Level Warning Alert both visual and audible
  • Transmitter Battery Status Alert
  • Audible Theft Alarm
To reduce the risk of overfills during delivery, the Apollo Smart Transmitter benefits from the provision an inbuilt LCD display. This allows fuel delivery personnel to monitor the level of fuel inside the tank before, during and after refuelling.

Data Portability

Every Apollo Smart benefits from USB upload technology, which allows energy consumption data to be transferred from the receiver unit to almost any PC via the optional Apollo Smart App. The Apollo Smart App can be downloaded here. The App affords heating oil users with the opportunity to analyse historical consumption data, assisting them in better understanding, controlling and managing heating oil usage and consumption.


  • Displays historical cost, consumption and energy usage data allows heating oil users to better control energy usage and cost.
  • Up to 10 times more accurate than comparable measurement systems
  • Unique ‘days to empty’ function reduces the risk of running out of fuel
  • Receiver unit can be positioned up to 150 metres from the transmitter unit
  • Can be configured for almost any overground tank of shape or model of tank up to 3m tall, irrespective of manufacturer or material of construction.  For underground tanks or irregular shaped tanks, please refer to the tank manufacturer for a suitable Apollo model.
  • Can be fitted and installed in minutes… with no wiring and no specialist skills or tools required
  • Suitable for use at both new and existing oil heating installations
  • Optional Apollo Smart App and integral USB connectivity facilitates greater analysis via almost any PC
  • Reduced energy consumption compared with previous generation electronic oil level monitors
  • Audible Fuel Theft Alarm option

How To Upgrade Software (Latest Version is F20)

    1. Click the following download button and download to your computer. USB Driver Download
    2. Install this USB driver application FIRST (only compatible with Windows operating systems). Please note that the Apollo Smart Monitor MUST not be plugged in when installing the USB drivers
    3. Next install Apollo Smart Firmware update by clicking the following button (the Apollo Smart Monitor MUST not be plugged in when installing the Firmware Update)Firmware Install
    4. When the Firmware Update Utility is installed, your desktop will have an icon as shown below:
  1. The Apollo Smart to be upgraded is then plugged into the computer via the USB connection ( your transmitter does not need to be removed from your fuel tank)
  2. The Apollo Smart Firmware Update icon on your desktop is then double clicked.
  3. Any further instructions needed from here are displayed on screen
  4. If you are updating your Smart unit for a 2nd time please note that you will be prompted ‘The Following File Already Exists’. Please select ‘Yes to all’ to overwrite your old version of the firmware and download the newly released updated version.
  5. Release Notes for this upgrade can be viewed here. Release Notes

Product Links

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Available Online From

Cheapest Oil
Home Fuel Direct
Bunded Tanks
Harlequin Plastics
Tank Depot
Oil Energy Monitors
Fuels and Oil Pumps
Oil Monitors Direct
Warm and Toastie
Fuel Tank Shop
RPM Fuels