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Using an Essential Oil Distiller At Home

An essential oil distiller extracts essential oil from plant material.

Antique essential oil distiller in a museum in FranceAntique essential oil distiller in a museum

 Here's the basic process of steam distillation of essential oils:

  1. Plant material sits in a basket above a steam generator (or boiler).

  2. The boiler heats water and the vapor rises through the plant material. The steam releases the plant's volatile oils and collects them.

  3. The steam-oil mixture moves into a condenser. The mixture condenses into a liquid combination of water (hydrosol) and a layer of essential oils.

  4. A separator splits up the essential oil and the hydrosol.

Here's one type of steam distillation setup:

Home Distillers

In a commercial essential oil distillery, a large distiller can process hundreds of pounds of plant material. But if you want to make essential oils at home, you can buy an essential oil distillation kit.

Here are four essential oil distiller kits with at least a 4-star rating on Amazon (as of the time of this writing).

12-Liter Home Distiller

Laboy Glass Steam Distillation Kit

1000-ml Lab Essential Oil
Distillation Apparatus

Copper Pro Distiller

More About Essential Oil Extraction

Usually, essential oils are distilled from fresh plant materials, but sometimes the plant is first dried. Dense or thick material, such as roots and seeds, are crushed or chipped before distillation.

If you want to distill an essential oil, you must first know what part of the plant to use. Leaves? Flowers? Roots? Seeds? Twigs or wood chips? Research an essential oil to learn what part of the plant to use.

The amount of essential oil produced during distillation depends on four main factors. The most important is the type and quality of the plant material. The other three are distillation time, temperature in the distiller, and the operating pressure of the distiller.

Other details also affect yield, such as plant harvest time (time of day and year), climate conditions, and the amount of volatile oil each plant contains. The typical yield of essential oil from plants is between 0.005 and 10%. For example, plants that produce a relatively high percentage of oil (such as sage, thyme, and rosemary), require about 500 pounds of plant material to produce 32 ounces of oil.

In other words, if you plan to distill rosemary, expect to use about 15 pounds of rosemary leaves to get one ounce of oil. For a low-yield oil, such as rose, expect to use many more pounds for one ounce of oil.

Source: Aromatherapy: A Complete Guide to the Healing Art

Here are two books with instructions on home distillation of essential oils: The Essential Oil Maker's Handbook and Tabletop Distilling.

Other Essential Oil Distiller Sellers

Companies selling specific equipment for distilling essential oils: The Essential Oil Company and Olympic Distillers.

Four companies promoting their moonshine stills for essential oil extraction:

Buy Eden's Garden Essential Oils on Amazon
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Distiller Photo: © Service communication du Conseil général des Alpes de Haute-Provence (Own work) [CC BY-SA 3.0 via Wikimedia Commons and Distillation Diagram Source: Strengthening Post-Harvest Handling Infrastructure to Expand the Export of Herbs, Medicinal and Aromatic Plant Crops, and Essential Oils from Upper Egypt - Scientific Figure on ResearchGate.