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HOS - Heating Oil Supplement


The Hi-Tech Treatment and Conditioner for today's Heating Oil.

HOS is the All-Season Treatment to Improve Fuel Efficiency, Stabilize Fuel, Prevent Fuel Gelling, and Eliminate the Harmful Effects of Water in the Fuel.

HOS is an organic based product that is a powerful fuel system and burner cleaner. It dissolves the gum, varnish, and carbon deposits that distort fuel burner spray patterns and damage delicate pump components. Cleaning these parts allows your burner to operate with all the efficiency that the manufacturer designed into it.

HOS causes fuel to be atomized better by the burners for more efficient combustion and reduced emissions.

HOS slows the oxidation of fuel, stabilizing it.

HOS contains no harmful alcohols that can damage gaskets and seals.

HOS chemically removes the water found in all heating fuels. Water that can corrode metal parts, water that mixes with the sulfur in fuel to create damaging sulfuric acid, water that can freeze in filters and fuel lines, water that supports the growth of spores and bacteria into a thick sticky slime that clogs fuel burner nozzles and plugs fuel filters. By eliminating water, you can prevent all of these problems.

HOS has a powerful Anti-Gel with a cold flow improver wax modifiers that will prevent fuel from gelling down to as low as -35°F. HOS will help hold wax in suspension, slowing the growth of crystals that plug filters in cold weather.

With today's Hi-Tech electronically controlled burners, the need to make older equipment last longer, the need for a high quality fuel treatment is more important than ever before.

HOS's highly concentrated formula uses only 16 ounces to treat 300 gallons.


  • Cleans Fuel Burner Nozzles and Pumps
  • Reduces Oxidation to Stabilize Fuel
  • Eliminates Water
  • Powerful Anti-Gel
  • Organic Based Formula with No Harmful Alcohols
  • Improves Fuel Atomization for Greater Efficiency and Reduced Emissions


For best results, use every time you add fuel, adding contents to fuel tank prior to fueling. The fueling process will ensure that complete and proper mixing takes place.

Use 16 ounces for each 300 gallons of fuel (1:2400 treatment ratio).

First time users can use 16 ounces for each 150 gallons to speed the cleaning process.

When operating in extreme conditions (high humidity, very cold weather) it is acceptable to use the 16 ounces per 150 gallons dosage on a regular basis.

HOS will eliminate its own volume of water.

For more information please consult the Material Safety Data Sheet for this product.

All used and unused product and its containers should be disposed of in accordance with all local, state, and federal regulations.

Keep This Product Out Of Reach of Children

Notice to Purchaser: Energy Technology Group, Inc. provides no warranty of any kind with respect to the product whether express or implied including without limitation, the implied warranty of merchantability or fitness for any intended use or purpose; shall not be liable under any circumstances for any loss, damage, liability, injury or expense directly or indirectly resulting from, arising or related to the use or application of product; shall not be liable for consequential or incidental damages or loss of profits; and its liability shall be limited to replacement of the product.

Product Sizes

Description SKU # Treats US Gallons
16 oz. 24/case 91124 300 (per container)
1 US Gallon 4/case 91126 2400 (per container)
2.5 US Gallons (jug) 91127 6,000
55 US Gallons (drum) 91129 132,000
275 US Gallons (tote) 91120 660,000

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Last modified: 08/14/11