HomeBiogas 4

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Compact biogas system converting kitchen waste to gas and fertilizer for larger households.

Best Fit
Larger households, community gardens & hospitality accommodation e.g.: Glamping, Yurts, Eco-lodges
Cooking Gas
Up to 4 hours of free cooking gas daily
Bio-fertilizer
Up to 16L of daily liquid bio-fertilizer for your garden
Organic Waste
Manage up to 8L of daily kitchen waste daily
SKU: 365 Category:
Shipping & import fees
Shipping & import fees

Shipping costs & swift delivery period will be determined at checkout. Taxes & import fees are Read more

Warranty
Returns

We are dedicated to customer satisfaction and offer returns & refunds Read more

Warranty
Warranty

HomeBiogas provides up to 24 months of warranty for all products offered online Read more

Tech Specs

Compact biogas system converting waste to gas and bio-fertilizer.

Compact biogas system converting waste to gas and bio-fertilizer.

System dimensions assembled

300cm (L) × 145cm (W) × 140cm (H)

Gas tank volume

3.8M3

Nominal gas pressure

10 mbar

Max daily Bio-fertilizer output

up to 16L of daily nutrient-rich
liquid Bio-fertilizer

Max daily quantity of kitchen waste input

8L mixed with 8L of water

Max distance from the stove to the HomeBiogas system

20 meters

How does the Backyard system work?

1

Insert waste

Organic waste is inserted into the digester via the inlet sink

2

Anaerobic digester

The system decomposes waste and transforms it into renewable energy

3

Clean cooking gas generated daily

The system generates renewable biogas for your cooking needs

4

Liquid Bio-fertilizer

The system generates liquid bio-fertilizer with  essential elements for healthy plant growth

System

The HomeBiogas 4 System

Our waste-to-resource systems help unlock a world of circular economy benefits. Next-Gen waste management is finally here, and we’re inviting your organization to join the ride.

What’s in the box?

HomeBiogas 4

Innovative, easy-to-install backyard Bio-System HomeBiogas 4

Compact bio-digester that converts kitchen waste into clean cooking gas and liquid bio-fertilizer on-site

Innovative, easy-to-install backyard Bio-System HomeBiogas 4

Compact bio-digester that converts kitchen waste into clean cooking gas and liquid bio-fertilizer on-site

Counter-Top Double-Burner Biogas Stove

The custom-designed Double Burner Stove provides HomeBiogas system users with two additional cooking burners.

Counter-Top Double-Burner Biogas Stove

The custom-designed Double Burner Stove provides HomeBiogas system users with two additional cooking burners.

Bio Bin

Collect & measure daily food waste input.

Bio Bin

Collect & measure daily food waste input.

Gas Pipe

Gas Pipe

7m / 23ft for outdoor piping + 3m / 10ft for indoor piping.

Gas Pipe

7m / 23ft for outdoor piping + 3m / 10ft for indoor piping.

Gas Filter

Gas Filter

This essential component purifies the biogas, removing impurities and ensuring a clean and safe gas flow for your appliances.

Gas Filter

This essential component purifies the biogas, removing impurities and ensuring a clean and safe gas flow for your appliances.

An Inlet Sink with a plunger

Inlet Sink with a plunger

The inlet sink acts as a feeding station, allowing easy input of organic waste into the digester, while the plunger facilitates smooth and efficient waste disposal.

Inlet Sink with a plunger

The inlet sink acts as a feeding station, allowing easy input of organic waste into the digester, while the plunger facilitates smooth and efficient waste disposal.

Combined Fertilizer & Gas Outlet

This multifunctional outlet serves a dual purpose – delivering nutrient-rich organic bio-fertilizer for your garden while supplying biogas for cooking or water heating. 

Combined Fertilizer & Gas Outlet

This multifunctional outlet serves a dual purpose – delivering nutrient-rich organic bio-fertilizer for your garden while supplying biogas for cooking or water heating. 

FAQ’s

  • Do you provide a warranty?

    Yes, 2 years on the system and one year on the stove. Please follow this link to read our warranty.

  • What's your return policy?

    RETURN POLICY:

    HomeBiogas is dedicated to customer satisfaction. If you are not satisfied with your purchase, we will be happy to assist you.

    1. Cancellation, before shipping: HomeBiogas provides a refund for the system and shipping, minus a 5% transfer fee.
    2. Cancellation, within first 30 days after shipping: refund on HomeBiogas cost only, minus a 5% transfer fee.
    3. Shipping fees for returning system are the responsibility of the customer.
    4. No refunds will be issued after more than 30 days from delivery.

    For full refunds, all returns must be within 30 days from shipping. To be eligible for a refund, your item must be unused, free from dirt, dust, or damage, and in the same package and condition that you received it. If your return passes our inspection, you may receive an exchange, credit, or a refund. Please include a note with your return stating your order number, the reason for the return, and if you prefer a refund, exchange, or credit.

    FOR RETURNS:

    Email us at [email protected] with your full name and tracking number if possible.

    REFUNDS

    Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your return.

    If you are approved, then your refund, exchange, or store credit will be processed. For refunds, a credit will automatically be applied to your credit card or original method of payment within 2-5 business days. We do offer exchanges within the us, but we don’t offer any exchanges for international orders.

    LATE OR MISSING REFUNDS

    If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company. It may take some time before your refund is officially posted. Next, contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us at [email protected]

  • Can I store the gas?

    You can use an additional gas bag. Please note the gas is stored uncompressed. The additional gas bag’s volume is 700L, meaning it is an additional 2 cooking hours on a single stove.

  • How do I activate the system?

    The system is activated with fresh animal manure from a herbivore source. The manure should be fresh as it means the bacteria is still alive. Add the manure all at once to the system, after you’ve mixed it with water (1:1) and wait between 1 to 3 weeks. Please note activation needs to be done at temperature of at least 22C/ 72F

  • How long does it take to ship?

    The product will be at your door within 3 weeks of purchase.

  • What are the system's dimensions?

    System’s dimensions when assembled: 300cm (L) × 145cm (W) × 140cm (H) or 118 in (L)x 57 in (w) x 55 in (H).

  • What's the system's lifespan?

    At least 15 years, lab tested.

  • Should I feed my system daily?

    You can feed when you want to. Keep in mind the system is designed in an easy way so that if you feed you’ll get biogas the next day, if not, you won’t have gas.

  • How far from the stove can the system be located?

    The system can be up to 20m from the stove. We provide 7 meters of pipe.

  • Can I use the system seasonally?

    Yes, just make sure that when you go back to feeding, you need to do it gradually over a period of 2 weeks to prevent putting the bacteria under pressure.

  • Will the bacteria die during winter?

    Most likely your bacteria will be dormant and will wake up when the weather is warmer. In this case please start feeding gradually to see if your bacteria is active. If your system is productive, raise the input amount gradually over the period of two weeks.

  • Can I use it in the snow?

    During and below freezing temperatures we recommend to stop feeding and to drain at least 600L.

  • How can I extend the use?

    You can place your system in a greenhouse that is ventilated for the top, feed less, follow your gas activity, add probiotics (daily basis) and try to insulate as much as possible. Stop when there is no more gas production.

  • What is the right temperature?

    The minimal weekly temperature that’s needed is 18C/ 63F for food waste and 10C/ 50F for manure.

  • How about the sludge that's created at the bottom of the system?

    HomeBiogas is designed in a way that the base of the system is wide and long. So when the sludge is created as a result of the anaerobic digestion, it is in a negligible amount that has no effect on the efficiency of the process and requires no cleaning at all.

  • Do I need to empty the system?

    No, it is not necessary.

  • How do probiotics benefit the system?

    Probiotics are a mix of good bacteria needed for healthy digestion. It gives a great boost to the system and even prepares it for winter. We recommend using it!

  • Which maintenance does the system require?

    A filter change once in 6 months. And a probiotics tablet once a week (optional but highly recommended).

  • How about the sludge that's created at the bottom?

    HomeBiogas is designed in a way that the base of the system is wide and long. So when the sludge is created as a result of the anaerobic digestion, it is in a negligible amount that has no effect on the efficiency of the process and requires no cleaning at all.

  • Why I can't see my country on your shipping list?

    Please contact us through the contact us form and we will help you make your purchase.

  • Will I be asked to pay customs or taxes?

    It depends on your country. HomeBiogas only charges for shipping.

  • How long does it take for your order to arrive?

    HomeBiogas Products will arrive at your door within 3 weeks from your order date.

  • What are the dimensions of the boxes?
    HomeBiogas 4 is shipped in two boxes, please see the dimensions below:
    A: 100x 40x 30, LxWxH [cm], 15 Kg
    B: 100x40x 32, LxWxH [cm], 14kg

Accessories

How to improve your HomeBiogas product experience.

Annual Maintenance Kit
Removes hydrogen sulfide from the biogas generated by the system.
45.00
Yearly Filter Kit
Removes hydrogen sulfide from the biogas generated by the system.
27.00
Countertop Biogas Stove (Single Burner)
A custom-designed biogas stove that provides an extra place for cooking
60.00
HomeBiogas Sink Cover
Covers and protects the inlet sink.
27.00
Countertop Biogas Stove (Double Burner)
A biogas stove that adds two additional burners for cooking.
118.00
Probiotic Tablets (Bio-Booster)
A probiotics tablet formulation that increases biogas production and promotes system stability.
27.00

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