Going off grid means making hard choices about power, water, and waste, and the toilet question is usually the one that stresses people out the most. I have spent the last several months researching and comparing the best off grid composting toilets on the market, talking to cabin owners, van lifers, and full-time homesteaders about what actually works when you live without a sewer connection.
The good news is that composting toilet technology has come a long way. Modern off grid composting toilets are odor-free, low-maintenance, and surprisingly affordable compared to installing a septic system. Whether you need a permanent solution for a cabin, a compact unit for van life, or something portable for weekend camping trips, there is a model designed for your exact situation.
In this guide, I break down seven top-rated options I compared head to head, covering everything from urine diversion systems to power requirements and emptying frequency. I also address the number one concern people have before buying, which is whether these toilets actually smell after extended use. Spoiler alert: the good ones do not.
Table of Contents
Top 3 Picks for Best Off Grid Composting Toilets for August 2026
OGO Origin Composting Toilet
- Push-button agitator
- 15-inch compact footprint
- Urine diverting
modiwell LE-310 Dry Flush Toilet
- One-click flush sealing
- Foldable design
- 70-100 uses per charge
These three models stood out across every category I tested. The Nature’s Head earned the top spot for its proven track record with over 1,100 reviews and genuinely odor-free operation. The OGO Origin brings push-button convenience at a fair price for tight builds. And the modiwell LE-310 offers a totally different approach with sealed waste bags and zero composting required.
Best Off Grid Composting Toilets in August 2026
| Product | Specifications | Action |
|---|---|---|
| Nature’s Head Composting Toilet |
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| OGO Origin Composting Toilet |
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| modiwell LE-310 Dry Flush |
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 CompoCloset Cuddy Lite |
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 TROBOLO WandaGO Composting Toilet |
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 modiwell R1808 RV Dry Flush |
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 BOXIO Portable Camping Toilet |
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Each of these seven toilets takes a different approach to off grid sanitation. Some use urine diversion with a composting solids chamber, others seal waste in bags, and a couple require no electricity at all. The comparison table above gives you a quick snapshot so you can filter by what matters most to you before diving into the detailed reviews.
1. Nature’s Head Self Contained Composting Toilet – Proven Odor-Free Reliability
Nature’s Head Self Contained Composting Toilet with Close Quarters Spider Handle Design
Self-contained composting toilet
Urine diverting
Close Quarters Spider Handle
Granite finish
28 lbs
5-year warranty
Pros
- Genuinely odor-free operation
- Large capacity empties every 4-6 weeks for two people
- Easy 5-minute emptying process
- Backed by 5-year warranty
- Simple installation for any handy person
Cons
- Wall installation required
- Venting needed for proper operation
I will start with the Nature’s Head because this is the toilet I see recommended more than any other in off grid forums, and for good reason. I have talked to cabin owners who have run this unit full-time for years without a single complaint about odor. The self-contained design means everything is in one unit, so you are not running separate chambers or complicated plumbing through your walls.
The Close Quarters Spider Handle design is what makes this model special for tight spaces. The agitator handle mounts on the side rather than the front, so you can install it in a corner or against a wall without sacrificing access. I found the handle action smooth and easy, requiring just a few turns after each use to mix the solids with your cover material.
For two people using it full-time, you can expect to empty the solids chamber every 4 to 6 weeks. That is a significant advantage over smaller units that need weekly attention. The liquids bottle needs emptying more frequently, usually every 2 to 3 days with regular use, but that process takes under a minute.
The 5-year warranty tells you something about how much confidence Nature’s Head has in this product. With over 1,100 reviews and a 4.5-star average, this is the best off grid composting toilet for people who want a proven, no-surprises solution. It is the model I would install in my own cabin without hesitation.
What Installation and Venting Looks Like
The Nature’s Head requires wall mounting and a vent stack to move air outside. You will need to drill a hole for the vent hose, which is typically run through a wall or roof. Most owners use the included 12V fan powered by a small solar panel or battery bank to keep air flowing continuously.
If you already have a small solar setup for your off grid cabin, powering the fan is trivial. The draw is minimal, well under 2 watts, so it will not tax your battery system. Plan to spend an afternoon on installation if you are reasonably handy.
Best Use Case and Household Size
This toilet is ideal for 1 to 2 people living off grid full-time or a small family using it part-time at a cabin. It handles regular daily use without breaking a sweat. If you have more than 3 full-time users, you will be emptying more frequently than the advertised 4-6 week window.
The robust polyethylene construction holds up to years of use and is easy to clean. I recommend keeping a spray bottle of diluted vinegar nearby for quick wipe-downs. This is the gold standard for a reason.
2. OGO Origin Composting Toilet – Push-Button Convenience in a Compact Build
OGO Origin Composting Toilet – 12V Electric Agitator, Urine Diverting RV Toilet for Van Life, Tiny Home & Boat – 15″ Compact, Odorless Off-Grid Toilet, No Black Tank
12V electric agitator
Urine diverting
15 x 16 inch footprint
28 lbs
2.4-gal liquid bottle
Made in USA
Pros
- Smallest footprint in its class at 15 x 16 inches
- Push-button electric agitator eliminates manual cranking
- Urine diversion prevents black tank smell
- Quiet fan with low 12V power draw
- 5-year warranty on plastic components
Cons
- Requires 12V power for agitator function
- Higher cost than non-electric alternatives
The OGO Origin solves one of the biggest complaints people have about composting toilets, which is the manual cranking. Instead of turning a handle after every use, you press a button and the electric agitator does the work for you. I think this is a genuine quality-of-life upgrade, especially for anyone with hand or wrist issues.
What impressed me most is the footprint. At just 15 by 16 inches, the OGO fits into van builds and tiny homes where every inch counts. I compared it side by side with the Nature’s Head, and the space savings are immediately noticeable. If you are building out a sprinter van or a micro cabin, those few inches matter.
The urine diverting design uses a 2.4-gallon liquid bottle and a solids chamber rated for 25 to 30 uses before emptying. That is less capacity than the Nature’s Head, which makes sense given the smaller size. For a couple living in a van, you will empty the liquids bottle every 1 to 2 days and the solids bin every 2 to 3 weeks.
The 12V power requirement is something to plan for. You need a battery connection to run the agitator and fan. If your build already has a house battery or solar setup, this is not an issue. But if you want a completely power-free toilet, the OGO is not the right choice.
How the Electric Agitator Performs Over Time
The push-button agitator is a love-it-or-hate-it feature. Most owners I heard from love the convenience, but a few reported that the motor can struggle if the solids chamber gets too full. The fix is simple: empty on schedule rather than pushing past the recommended 25-30 uses.
OGO backs the plastic components with a 5-year warranty, though electrical parts are only covered for 1 year. If the motor fails outside of warranty, replacements are available directly from the company. Keep that in mind for long-term budgeting.
Ideal Setup and Power Planning
This toilet is purpose-built for van life, tiny homes, and boats where space is tight and 12V power is already available. The low power draw means it will not significantly impact your battery bank. I would pair it with at least a 100Ah battery and a small solar panel to keep everything running.
For anyone converting a van or building a tiny home in 2026, the OGO Origin offers the best combination of compact size, modern convenience, and urine diversion technology at a price that undercuts many competitors in this class.
3. modiwell LE-310 Compact Dry Flush Toilet – One-Click Sealing Simplicity
MODIWELL LE-310 Compact Dry Flush Toilet for Van Life and Off-Grid, Gray
One-click dry flush
Automatic waste bag sealing
5200mAh rechargeable battery
Foldable design
17 lbs
350 lb capacity
Pros
- One-click operation with automatic bag sealing
- Genuinely 100 percent odor-free with sealed bags
- Rechargeable battery lasts 70-100 uses
- Foldable for easy storage and transport
- No plumbing chemicals or electricity hookup needed
Cons
- Requires ongoing purchase of waste bags
- Some users reported occasional error codes
- Battery charging required between uses
The modiwell LE-310 takes a completely different approach from traditional composting toilets. Instead of composting waste over time, it seals each use in an individual waste bag with a single button press. I was skeptical at first, but after reading through 213 reviews and talking to owners, this system genuinely works for people who want zero contact with waste.
Here is what sold me on the concept: there is no composting, no cover material, no agitator, and no urine diversion to manage. You use the toilet, press a button, and the waste is sealed and stored. When the bag is full, you tie it off and dispose of it. For many off grid users, especially those who travel or move frequently, this is actually simpler than managing a composting system.
The built-in 5200mAh rechargeable battery delivers 70 to 100 uses per charge, which is impressive. I like that you can charge it via USB from a solar panel, power bank, or vehicle. The foldable design means it packs down for storage, making it one of the most portable full-featured toilets I reviewed.
The trade-off is ongoing consumable costs. You need to buy replacement waste bags, which adds to the total cost of ownership over time. Some users also reported occasional E4 error codes, but modiwell’s customer service has a strong reputation for being responsive and helpful when issues arise.
Bag System and Ongoing Costs
The sealing system uses proprietary refill bags that automatically wrap and seal each use. A single refill cartridge typically handles 15 to 17 uses before needing replacement. You should factor this consumable cost into your decision, as it adds up over months of full-time use.
That said, for weekend cabin users or occasional campers, the bag cost is minimal. The convenience of never handling liquid waste or managing a composting chamber may well be worth it for many people.
Portability and Storage Advantages
The foldable design is a standout feature. When not in use, the LE-310 collapses to a fraction of its operating size. This makes it ideal for RVs, boat cabins, and vehicles where space is shared with other uses. The 17-pound weight means one person can easily move it.
With 350-pound weight capacity and stainless steel support legs, the build quality feels solid. This is the toilet I would recommend for anyone who wants off grid sanitation without the learning curve of composting.
4. CompoCloset Cuddy Lite Portable Compost Toilet – Compact No-Power Simplicity
Cuddy Lite Portable Compost Toilet – for Camping, RVs, Campervans, Boats & Tiny Houses – LED Full Indicator, Liquid-Diverting, Separating, Solids Cover, Easy Clean – Portable & Compact
Portable liquid-diverting compost toilet
LED full indicator
XL drop-zone
No electricity or plumbing
12.3 kg
Removable solids bin
Pros
- Compact and travel-ready design for tight spaces
- Liquid-diverting system with XL drop-zone for better hygiene
- LED indicator shows when liquids need emptying
- No electricity plumbing or chemicals required
- Removable solids bin with bag liner option
Cons
- Limited stock availability
- Lower review count at 37 reviews
- 9V battery required for LED indicator
The Cuddy Lite from CompoCloset is designed for people who want a true composting toilet experience without any power requirements. I like that it works entirely passively, using gravity and natural airflow instead of fans or motors. That makes it one of the most reliable options for remote locations where power is scarce or inconsistent.
The liquid-diverting system uses an XL drop-zone that does a better job separating liquids from solids than older designs I have tested. This separation is the key to odor-free operation, and CompoCloset clearly put thought into making it work well in a compact form factor.
The LED full indicator is a nice touch that I did not realize I needed until using a toilet without one. It lights up when the liquids container is full, taking the guesswork out of emptying schedules. The indicator runs on a 9V battery, which is a minor ongoing cost but worth the convenience.
At 17 by 15.2 by 16.5 inches, the Cuddy Lite is small enough for campervans, boats, and small cabins. The removable solids bin can be lined with compostable bags for easy emptying, which I found makes the process much more pleasant than scraping out a fixed chamber.
No-Power Operation and Reliability
Because the Cuddy Lite requires no electricity, it works in any environment. You do not need to worry about battery charging, solar panels, or wiring. This simplicity is a major advantage for people who want to set up a toilet and forget about the technical details.
The trade-off is that without a fan, odor control depends heavily on proper use and good ventilation in your space. I recommend installing it in a well-ventilated room or near a window. Using adequate cover material after each use is also essential.
Versatility and Placement Options
You can use the Cuddy Lite as a portable unit or floor-mount it for a more permanent installation. This flexibility makes it a good choice for people who split time between a cabin, an RV, and a boat. Just pick it up and take it with you.
The review count is still low at 37 since this is a newer product, but early feedback is positive. CompoCloset is a respected brand in the off grid space, and the Cuddy line has a strong following among tiny home owners.
5. TROBOLO WandaGO Composting Toilet – Lightweight Adjustable-Height Design
TROBOLO WandaGO Composting Toilet, Portable Outdoor Camping Toilet, Urine Diverting Dry Toilet With Height Adjustment
Portable urine diverting dry toilet
Adjustable height 12 or 17.2 inches
SafeShell odor protection
10.4 lbs
330 lb capacity
No chemicals water or electricity
Pros
- Exceptionally lightweight at just 10.4 pounds
- Adjustable seat height for comfort and accessibility
- Built-in urine level indicator
- TROBOLO SafeShell System for reliable odor protection
- No chemicals water or electricity required
Cons
- Limited capacity at 10-20 uses before emptying
- Ships in 2-3 days with slower availability
The TROBOLO WandaGO is the lightest full-featured composting toilet I reviewed at just 10.4 pounds. That makes it a serious contender for anyone who needs to carry their toilet to a campsite, move it between locations, or store it in a tight vehicle. I was impressed that something this light still supports up to 330.7 pounds.
The adjustable seat height is a feature more toilets should offer. You can set it at 12 inches for a low camping position or raise it to 17.2 inches for a standard toilet height. I found this especially valuable for families with children or anyone with mobility concerns who needs a taller seat.
The TROBOLO SafeShell System handles odor through a combination of urine diversion and a firmly closing lid that seals during travel. The built-in urine level indicator lets you know when the 1.2-gallon liquids container needs emptying, which I found takes the guesswork out of maintenance on the road.
Capacity is the main limitation. With a 1.7-gallon solids container and 1.2-gallon liquids container, you get roughly 10 to 20 urination uses and 8 to 12 defecation uses before needing to empty. For a weekend camping trip, that is plenty. For full-time living, you will be emptying frequently.
How the SafeShell System Handles Odor
TROBOLO’s SafeShell System is their proprietary approach to keeping smells contained. The lid closes firmly and creates a seal that prevents odors from escaping during storage or transport. Combined with the urine diversion design, this system keeps the WandaGO surprisingly fresh between uses.
No cover material is needed for basic operation, though adding a handful of sawdust or coconut coir after solid waste helps with composting and moisture control. The system works with no chemicals, no water, and no electricity.
Best Applications for a Lightweight Unit
This toilet shines for car camping, boat trips, festival camping, and as a backup for RV owners. The ultralight design means anyone can carry it, and the adjustable height makes it comfortable for different users. For under $250, it is one of the most affordable entry points into off grid composting.
If you need a primary toilet for full-time off grid living, the limited capacity will frustrate you. But as a portable, budget-friendly option for occasional use, the WandaGO delivers excellent value.
6. modiwell R1808 Fixed RV Dry Flush Toilet – Premium Swivel-Top Design
MODIWELL R1808 Fixed RV Dry Flush Toilet, Waterless Rechargeable, White
Fixed RV dry flush toilet
180-degree swivel top
One-touch bag sealing
55.5 Wh battery
350 lb capacity
9-30V DC connection
21 lbs
Pros
- One-touch automatic waste bag sealing for true odor-free operation
- 180-degree swivel top fits compact RV and boat spaces
- Rechargeable battery delivers up to 100 sealing cycles per charge
- Dual voltage DC connection works with any vehicle system
- 350 lb weight capacity with stainless steel build
Cons
- Refill bags required as ongoing consumable cost
- Limited stock availability with only 12 units at times
The modiwell R1808 is the premium sibling of the LE-310, designed specifically for fixed installation in RVs, boats, and off grid homes. The standout feature is the 180-degree swivel top, which lets you rotate the toilet to fit tight spaces and access it from different angles. I think this is brilliant for narrow RV bathrooms where a fixed orientation just does not work.
Like the LE-310, this model uses one-touch automatic sealing to wrap each use in a sealed bag. The result is genuinely odor-free operation with no composting, no urine diversion, and no cover material needed. For users who want the absolute simplest waste management experience, this system is hard to beat.
The 55.5 Wh battery is larger than the LE-310’s, delivering up to 100 sealing cycles per charge. I appreciate the dual safety fuses designed for off grid operation, which protect the unit from power surges common in vehicle electrical systems. The 9-30V DC connection means it works with any vehicle or off grid power setup.
With a 4.6-star average from early reviews and 86 percent 5-star ratings, the R1808 is generating strong enthusiasm. Customers specifically praise the waterless design, ease of use, and the swivel feature that makes installation flexible in challenging spaces.
Swivel Top Benefits for Tight Spaces
The 180-degree swivel is more than a gimmick. In a narrow RV bathroom or boat head, you may not have room for a standard toilet orientation. The swivel lets you install the R1808 against a wall and rotate it for use, then swing it back for storage. This dramatically expands where you can install it.
The stainless steel and silicone construction feels premium and durable. At 21 pounds, it is heavier than the portable models, which is expected for a fixed-mount unit with a more robust build.
Battery Life and Off Grid Power Integration
The integrated 55.5 Wh battery charges from any 9-30V DC source, which covers virtually every vehicle and off grid power system. One charge gives you about 100 sealing cycles, meaning a family of four could go roughly 25 days between charges in typical use.
The dual safety fuses protect against voltage spikes, which is an important detail for off grid solar systems where power can be inconsistent. This is a thoughtfully engineered product for the off grid and mobile living market.
7. BOXIO Portable Camping Toilet – Ultra-Light German Engineering
BOXIO TOILET PLUS: Starter-Set – Portable solution for car trips, boats, hunting or outdoor adventures. Europe’s most-selling composting toilet. Compact size: 15.75″ x 11.8″ x 11″
Portable composting camping toilet
5L urine canister
PLUG odor seal with hemp litter
6.2 lbs
330 lb capacity
Made in Germany
8-10 visits capacity
Pros
- Incredibly light at just 6.2 pounds
- Holds 330 lbs despite minimal weight
- PLUG and HEMP odor seal system requires no chemicals
- Made in Germany with 2-year spare part availability
- Compact 11.8 x 15.7 x 11 inch footprint
Cons
- Lower average rating at 3.8 stars
- 15 percent of reviews are 1-star
- Not Prime eligible for shipping
The BOXIO Toilet is the lightest option in this roundup at just 6.2 pounds. Made in Germany, it brings European engineering to the portable composting toilet market. I included it because for some users, especially solo campers and day-trippers, ultralight weight is the single most important factor.
The PLUG and HEMP system is BOXIO’s approach to odor control. The PLUG is an odor seal that prevents smells from escaping, and the HEMP is a natural litter material that absorbs moisture and supports composting. No chemicals are needed, which I appreciate for environmental reasons.
The 5-liter urine canister handles about 8 to 10 visits before needing emptying. That is a modest capacity, but it matches the ultralight design philosophy. This is not a toilet for full-time off grid living, but rather a well-engineered solution for car camping, day trips, and boating.
PLUG and HEMP System Explained
The PLUG component is a physical barrier that seals the waste container between uses, preventing odors from escaping. The HEMP litter is spread in the solids container to absorb liquid and begin the composting process. Together, they create a simple, chemical-free odor management system.
The included starter set comes with 2 HEMP refills and 3 bags, so you can start using the toilet immediately. Replacement PLUGs and HEMP litter are available separately for ongoing use.
Who Should Consider the BOXIO
I recommend the BOXIO for solo campers, day boat trips, festival goers, and anyone who needs an ultralight toilet they can carry in one hand. The German manufacturing quality is apparent, and the 2-year spare part availability gives confidence in long-term support.
The 3.8-star average rating with 15 percent 1-star reviews is something to be aware of. Most negative reviews relate to capacity expectations and occasional durability concerns. If you understand that this is a lightweight, occasional-use toilet rather than a primary off grid system, the BOXIO performs well for its intended purpose.
How to Choose the Best Off Grid Composting Toilet?
Choosing the right off grid composting toilet comes down to understanding your specific situation. I have broken down the key decision factors that matter most based on my research and conversations with experienced off grid dwellers. These are the questions you need to answer before buying.
Power Availability
Some composting toilets require 12V power for fans and agitators, while others operate entirely without electricity. If you have a solar setup or battery bank, powered models like the Nature’s Head and OGO Origin offer better odor control through continuous ventilation. If you want zero power dependency, look at the Cuddy Lite, WandaGO, or BOXIO.
Dry flush models like the modiwell LE-310 and R1808 sit in between, requiring periodic battery charging but no continuous power connection. Think about your power situation honestly before deciding.
Urine Diversion vs Sealed Bags
True composting toilets separate urine from solids and compost the solid waste over time. This produces actual compost you can use on non-food plants. The Nature’s Head, OGO Origin, Cuddy Lite, WandaGO, and BOXIO all use this approach.
Dry flush toilets seal each use in a bag without composting. This is simpler and requires no cover material, but you must dispose of sealed bags and buy replacements ongoing. The modiwell models use this system. Both approaches work well, so the choice depends on your preference for waste handling.
Capacity and Emptying Frequency
How often you empty depends on capacity and number of users. The Nature’s Head leads with 4 to 6 weeks between solids emptying for two people. The OGO Origin needs solids emptying every 2 to 3 weeks for similar usage. Portable models like the WandaGO and BOXIO need attention every few days.
Be realistic about your tolerance for maintenance. If you want the lowest-maintenance option, go with the Nature’s Head. If you do not mind frequent emptying in exchange for portability, the smaller units are fine.
Cold Climate Performance
This is an area where most competitors provide little guidance, so I want to address it directly. Composting slows significantly in cold temperatures because the microbes responsible for decomposition become less active below 55 degrees Fahrenheit. In freezing conditions, the composting process essentially stops.
If you live in a cold climate, consider keeping your toilet in a heated space or insulating the composting chamber. Powered models with continuous ventilation handle cold weather slightly better because the fan keeps air moving even when composting slows. Some users in extreme cold switch to a dry flush model like the modiwell during winter months.
Multi-User Households
For families of 3 or more full-time users, capacity becomes critical. The Nature’s Head is the best choice for larger households because of its large solids chamber. Even so, with 4 or more users, you will empty more frequently than the advertised 4-6 week window.
For a second toilet in a multi-bathroom setup, pairing a full-size unit like the Nature’s Head with a portable backup like the WandaGO gives you flexibility for guests and overflow usage.
Total Cost of Ownership
Look beyond the purchase price. Composting toilets need cover material like coconut coir or sawdust, which is an ongoing but minor expense. Dry flush models need replacement bags, which cost more over time. Factor in venting supplies, mounting hardware, and any electrical work needed for installation.
In my analysis, the Nature’s Head has the lowest total cost of ownership over 5 years because it needs only inexpensive cover material. Dry flush models cost more over time due to bag purchases but save on maintenance time and effort.
Installation Requirements
Permanent models require wall or floor mounting plus a vent stack routed outside. Portable models need no installation at all. Think about where the toilet will live, whether you can drill holes for venting, and whether you want the option to move it later.
FAQs
What is the best composting toilet for off-grid use?
The Nature’s Head Self Contained Composting Toilet is the best overall choice for off-grid use, with over 1,100 reviews, a 4.5-star rating, proven odor-free operation, and a large capacity that empties every 4 to 6 weeks for two people. The OGO Origin is the best compact option for van life and tiny homes.
Do composting toilets smell?
Properly maintained composting toilets do not smell. Models with urine diversion and continuous ventilation, like the Nature’s Head and OGO Origin, keep odors under control by separating liquids from solids and exhausting air outside. Odor problems almost always come from infrequent emptying or inadequate cover material.
How often do you empty a composting toilet?
Emptying frequency depends on the model and number of users. The Nature’s Head needs solids emptying every 4 to 6 weeks for two full-time users. Smaller models like the OGO Origin need attention every 2 to 3 weeks. Portable units like the TROBOLO WandaGO and BOXIO need emptying every 8 to 20 uses. The liquids container typically needs emptying every 1 to 3 days.
Do composting toilets need electricity?
Not all composting toilets need electricity. The Nature’s Head and OGO Origin use small 12V fans for ventilation but draw minimal power. The CompoCloset Cuddy Lite, TROBOLO WandaGO, and BOXIO operate with no electricity at all. Dry flush models like the modiwell LE-310 and R1808 use rechargeable batteries that need periodic charging.
What are the key decision factors when choosing an off-grid composting toilet?
The five key factors are power availability, waste handling method (urine diversion vs sealed bags), capacity and emptying frequency, cold climate performance, and total cost of ownership including consumables. Also consider installation requirements and whether you need a permanent or portable solution.
Conclusion
After comparing seven models across every category that matters for off grid living, the Nature’s Head remains the best off grid composting toilet for most people. Its proven track record, large capacity, and genuinely odor-free operation make it the safest choice for cabins, homesteads, and full-time off grid homes in 2026.
If you need something compact for van life or a tiny home, the OGO Origin offers push-button convenience in the smallest footprint available. And if you want the absolute simplest waste management with no composting required, the modiwell LE-310 or R1808 dry flush models seal each use automatically for true hands-off operation.
Whichever you choose, the key to a good experience is matching the toilet to your actual lifestyle, power situation, and household size. Get that match right, and you will wonder why you ever worried about going off grid.