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home composters natureMill automatic composter

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NatureMill PRO XE Automatic
Indoor Composter

Out of Production, Out of Production, Out of Production


The NatureMill PRO XE Automatic Indoor Composter

NatureMill PRO XE: How It Works!

Deposit food waste items at any time, on any day. Add up to 120 lbs (55kg) per month. For best results, cut items into small pieces. Items remain in the upper chamber, with "hot composting" conditions: mixing, air flow, heat, and moisture (see diagram). The energy released destroys odors, pathogens, and seed germination. The compost is later transferred through a trap door to the lower cure tray chamber, where it continues to compost while you add fresh waste items to the upper chamber.


nature mill indoor composter

"This thing is has reduced our household waste 50% and has led us to make healthier food choices.... THANK YOU FROM THE BOTTOM OF MY GARDEN!"

Jacob S., Wyoming

"NatureMill has changed my life. As I get older I can't turn my compost pile (and I never really got it to work anyway). Now I have great compost on a regular basis, without the heavy lifting."

Edmond R., Nevada

"The great thing is that I didn't have to put anything together. Simply plug it in and start using it... Cuts down on house hold waste and is great for the environment."

Jeffrey B., New Jersey


Did You Know ::

  • Landfills contain more food and paper waste than diapers, styrofoam, and tires - combined.
  • Our society recycles more and more each year. But due to rising personal consumption and overall population growth, total annual landfill waste is still increasing.



Recommended Materials: Add a mix of "green" and "brown" items.

"Green" items include: fruit, vegetable scraps, meat, chicken, fish, fish bones, shrimp tails, cheese, eggs, egg shells, tea leaves, grass & plant clippings

"Brown" items include: sawdust, wood shavings (untreated, unpainted wood), bread, rice, pasta, grains, nuts, nut shells, straw, dry flowers, small yard leaves, coffee grounds

Limit very acidic items to 2 lbs (900g) per load: oranges, grapes, berries, plums, pickles, tomatoes. 3-4 piece limit for lemon, lime, grapefruit, pineapple.

Not Recommended Materials:

pourable liquid, chemicals, soap, cosmetics, medicine, plastic, metal, glass, rubber, alcohol, cigarettes, office paper, newspaper, magazines, hard or fibrous itmes such as chicken and steak bones, lobster and clam shells, wine corks, avocado pits, corn cobs & husks, coconut shells, lemongrass, diseased foods, human waste, disposable diapers.


Compost Year-Round - Good for the Garden, Great for the Environment


Top of the line compost bin for serious users.
Same size as the NatureMill Plus XE with added features:

  • Stainless steel components for continuous heavy loads
  • Ideal for large families, gourmet cooks, offices, or small restaurants
  • Foot pedal for convenient hands-free composting
  • Heavy Duty Mode - increases mixing and air flow for results beyond what any other home compost tumbler can achieve
  • Lifetime filter - never needs replacement
  • WARRANTY: 3 years

The new NatureMill Pro XE offers all of the features and advantages of the popular NatureMill Plus XE Automatic Indoor Composter, with new features designed to make it easier to fit your home and lifestyle.

  • Use it anywhere - fits inside any standard cabinet & can be used outdoors, rain, sleet or snow!
  • An endless supply of compost - empty every 2 weeks.
  • Recycles it's weight in waste every 10 days - over 2 tons over it's expected lifetime.
  • Uses 5kwh per month of power - less than a garbage truck would burn in diesel fuel to haul the same waste.
  • Made from recycled and recyclable material.
Power usage - 5 kwh/month - as much as a typical night light.  This costs about $0.50 per month, depending on local rates!


For Garden, Lawn, Shrubs, Trees or Indoor Potted Plants

NatureMill Pro gardening
  • Compost is high in nitrogen, essential for
    flowering plants and fruit trees.
  • One batch of compost is sufficient for 10-40 sq ft (1-4 sq m)
    of a lawn or garden, applied once or twice per year.
  • Spread over the surface of the soil like mulch - nutrients will
    slowly enter the soil during watering and annual tilling.
  • Apply once or twice per year. Or use one batch
    per mature fruit tree, once per year.
  • Infuse with water to brew "compost tea" liquid fertilizer.


Compare our Composters

More info about the NatureMill PRO XE Composter

  Size and weight

20" high x 20" deep x 12" wide (51 x 51 x 12 cm);
17 lbs (8 kg)

120 lbs (55 kg) organic waste per month. Add items any time, any day. Ideal for a family of 5, or a single individual living alone.

  Waste materials Accepts most food waste items. Avoid hard item such as bones, and fiberous items such as corn cobs and corn husks. See detailed list. The instructions contain a detailed reference sheet with specific examples.
EXTERNAL: use in any location 0-120F (-18 - 50C) 
INTERNAL: up to 140F (60C) reactor temperatures 
  Rate of compost production
One batch every 2 weeks, depending on actual usage.  An indicator light signals when to remove compost.
  Finished product High nitrogen compost - a soil amendment for lawns, gardens, trees, or potted plants.  Compost is ready to use.  

70% or more, volume and weight reduction, due to bio-degrading (composting) and mechanical  breakdown

  • External housing: recycled + recyclable energy-efficient polyethylene (stamped with the "5" triangle recycling symbol)
  • Food-grade stainless steel and aluminium internal components
  • Used properly, will last many, many years.

No installation is required.  Plug into a standard power outlet.  For outdoor use, keep dry and do not freeze.  
For installation inside a cabinet, we recommend our cabinet kit - some assembly required.
  Cost savings
  • Reduce trash enough to qualify for a discounted trash collection rate.  Contact your trash company for details.
  • Save money on fertilizer.
  • Less watering due to high moisture retention of compost.
5 kwh/month - as much as a typical night light.  This costs about $0.50 per month, depending on local rates.  Uses far less energy than hauling the same amount of waste in a diesel garbage truck. 

All NatureMill composters meet or surpass stringent efficiency requirements of California Energy Efficiency Level IV.

Available with a North American (110V/120V) or  European (220V/240V) power supply.  UL and CE compliant.
  Cleaning and Maintenance
Wipe the hopper and exterior with a moist towel.  Rinse the cure tray and drip tray when you empty them.  Do not disturb the compost cultures in the reactor chamber.  Do not use soaps or chemicals.


Choose your color




A Little Company History: A Chance Discovery

We aim to make a difference. We diligently recycle paper, bottles, and cans. We read newspapers online to cut down on paper. We favor environmentally friendly products and packaging. Some of us even walk or bike to work. But despite our commitment to “the 3Rs” - reduce, reuse, recycle - we still produce shameful amounts of trash.

So we ventured into backyard composting. A humble kitchen crock diverts an impressive amount of trash from the kitchen to an outdoor compost pile. And unlike other forms of recycling, composting uses no chemicals, fossil fuels, or other environmentally harmful materials.

But a few months into our compost adventure, reality set in. It smells! It's dirty! Turning the pile each month is backbreaking! It's definitely no fun in the cold and rainy months. And besides, not everyone has a backyard. We should be able to engineer a better solution.

A Chance Discovery

Then a funny thing happened. Someone (we won't name names) went away on vacation without emptying the kitchen compost crock. A nasty surprise awaited his return - the smell, the flies, and a very unpleasant clean-up job.

While grudgingly cleaning out the compost crock, he noticed it was warm. Compost cultures were hard at work. The compost process had begun! Just a little more oxygen, some mechanical mixing, and a strong air filter would accelerate the process and eliminate the odors and bugs. Dozens of prototypes and patents later, NatureMill was born.

We're up to great things. Just watch us. Someday everyone in the world will compost, and what a difference that will make.



  • For a one year period (three year for PRO model) after purchase: free replacement parts, repair by field technicial, or replacement of entire unit.
  • Return an unused unit within 30 days for a full refund. Due to the biological implications of composting, returns generally not accepted after contact with food waste..


  • shipping box: 27" x 23" x 17" (68.6 x 58 x 43 cm); 29 lbs (13 kg)
  • shipping is $30

Return Policy