Whole Home Generator | EcoFlow US

EcoFlow

Whole Home Generator, DELTA Pro, is connected to a house via a power inlet box.
Whole Home Generator, DELTA Pro, is connected to a house via a power inlet box.

Whole House
Generator

Power For Peace Of Mind During
Outages.

EcoFlow whole-home generators don't rely on fossil fuel for power but store solar energy to prepare you for any eventuality. Whole-house generators are quiet and safe to use indoors, so you can keep your home running smoothly even during a natural disaster. With a combination of solar generators and extra batteries, you can create backup power that suits your needs.

Home Standby
Generator vs.
Home Solar Generator

A solar whole-house generator setup with 2 DELTA Pro units and a solar panel that connects to a building via a manual transfer switch. A solar whole-house generator setup with 2 DELTA Pro units and a solar panel that connects to a building via a manual transfer switch.
Transfer Switch 
Transfer Switch 

A manual transfer switch allows you to start a generator to restore connected circuits when the grid's down. It's a reliable and affordable way to ensure your home stays powered on during an outage. 

Circuit Panel
Circuit Panel

A circuit panel contains a main breaker that controls power for an entire home. There are also individual breakers that can turn electricity on and off in sections of your house.

Solar Generator
Solar Generator

A solar generator is the energy storage for solar energy, converting the DC energy into AC that can power appliances. Solar generators have various outlets, from AC to USB-C, to run an array of devices.

Solar Panels 
Solar Panels 

Solar panels capture the sun's rays in polyvoltaic cells, then convert the energy into Direct Current (DC). Solar panels come in various sizes and types, including portable and mountable.

EcoFlow Double Voltage Hub
EcoFlow Double Voltage Hub

The Double Voltage Hub connects two DELTA Pro power stations in order to achieve an output of 7200W. It also includes a NEMA L14-30 outlet to connect a generator power cable. 

A home solar generator harnesses sunlight through solar panels, converting it into electricity. This clean energy is stored in a battery for later use. The generator can be directly connected to the home using a transfer switch so when needed, it powers essential appliances and devices. Solar generators offer sustainable and renewable backup power during emergencies or when the grid is down.

A standby generator setup with a generator, propane tank, and electrical panels. A standby generator setup with a generator, propane tank, and electrical panels.
Transfer Switch
Transfer Switch

The ATS is a crucial component that monitors the electricity from the grid and generator. When it detects a loss of utility power, it triggers the standby generator, disconnects the main circuit panel, and seamlessly connects to the generator. 

Subpanel
Subpanel

The subpanel is an additional electrical distribution panel connected to the main circuit board. It manages and distributes power from the generator to specific circuits, such as lights, refrigerators, and heating systems, ensuring they receive power during outages.

Main Circuit Panel
Main Circuit Panel

The main circuit panel, or breaker box, is the central distributor of a building's electricity and connects to the grid and generator through an ATS.

Generator
Generator

The generator is the heart of the backup power system and converts fuel (propane or natural gas) into electricity. When the main power supply is interrupted, the generator automatically produces electricity to power the connected circuits.

Propane Tank
Propane Tank

A propane tank holds the fuel source that a standby generator burns to generate. While propane is commonly used due to its stability and long shelf life, natural gas can also be used. 

A standby generator automatically activates when a power outage occurs. It uses its own fuel source, like natural gas or propane, to generate electricity and supply it to essential appliances and systems in your home. Once utility power is restored, it switches back to standby mode. It provides seamless backup power during outages.

Home Standby
Generator vs.
Home Solar Generator:
Pros and Cons

Home Solar Generator
Standby Generator
Flexibility
Portable, plug-and-play; use indoors and outdoors
Permanently install at home to power home functions
Output
3.6-7.2kW output, power 99% of home essentials
7.5-26kW output for whole-house power
Connection
Can use as a standalone battery or connected to the home via a transfer switch or extension cord
Permanently connected to a natural gas line or propane tank to a home electrical system
Cost
Lower product entry cost, no ongoing fuel costs, expandable with add-on batteries
Higher product entry cost, ongoing fuel costs, utility fees, installation fees
Sustainability
Emission and fume-free, eco-friendly, quiet
Toxic carbon monoxide emissions, burns fossil fuel, loud operational noise
Maintenance
Recharge using solar, grid power, car battery or Smart Generator. No regular maintenance
Must be operated outdoors at a safe distance from the home

EcoFlow Whole Home Generators

Our solar battery system generates up to 7200W and stores upto 21.6kWh of energy for reliable whole-home backup power. Choose an EcoFlow DELTA 2 Max or connect two DELTA Pros with the Double Voltage Hub to expand your system and achieve unlimited, uninterrupted power during blackouts. Experience comfort and security without fumes or noise.

Starter Kit

3.6kWh Capacity | Powers vital appliances for up to 1 day

DELTA Pro + Transfer Switch +
Generator Cord

4 days

Light

108 hrs

WiFi Router

313 times

Phone

57 times

Laptop

1-2 days

Refrigerator

1.5 hrs

Electric Heater

2.5 hrs

Microwave

2.2 hrs

Electric Kettle

3.3 hrs

Coffee Maker

1.8-3.6 hrs

Air Conditioner

Starter Kit

2-6kWh Capacity | Powers essential appliances for up to 3 days

DELTA 2 Max + Transfer Switch +
Generator Cord

14 hrs

Refrigerator

97 hrs

WiFi Router

143 times

Phone

26 times

Laptop

1-2 days

TV

1.3 days

Microwave

3.3 hrs

Blender

3.3 hrs

Washing Machine

1.4 hrs

Electirc Grill

1.6 hrs

Coffee Maker

Advanced Kit

7.2-21.6kWh Capacity | Runs crucial appliances for up to one week

2 x DELTA Pros + Double Voltage Hub + Transfer Switch + Generator Cord

8 days

Light

9 days

WiFi Router

54 hrs

50’TV

2-4 days

Refrigerator

4.4 hrs

Electirc Kettle

3 hrs

Electric Heater

4 hrs

Electirc Oven

5 hrs

Microwave

3.6-7.2 hrs

Air Conditioner

1.4 hrs

Clothes Dryer

Smart Control Kit

3.6-25kWh | Runs crucial appliances for up to one week

2 x DELTA Pro + Smart Home Panel

8 days

Light

9 days

WiFi Router

54 hrs

50’TV

2-4 days

Refrigerator

4.4 hrs

Electirc Kettle

3 hrs

Electric Heater

4 hrs

Electirc Oven

5 hrs

Microwave

3.6-7.2 hrs

Air Conditioner

1.4 hrs

Clothes Dryer

Why Choose an
EcoFlow Whole
House
Generator?

Two DELTA Pro batteries connected to a transfer switch inside a living area, while a man sits to the left.

Versatile and Expandable Battery Capacity

Our cutting-edge power solution offers an expandable battery capacity, from 3.6-25kWh, adaptable to various needs. Whether you require backup power for small appliances or a full-house energy reserve, our system can be easily scaled up with power stations, extra batteries, and generators to meet your changing requirements.

A two-story home with whole-house generator setup, including 2 × DELTA Pro units, Smart Home Panel, and solar panel.

Eco-Friendly Solar Power Solution

Our solar power system provides sustainable and emission-free energy, harnessing the abundant power of the sun. With a strong commitment to the environment, we offer a clean, reliable alternative that reduces carbon footprint and ensures a brighter, more sustainable future for all.

Man and child express happiness, while DELTA 2 Max powers their home via a transfer switch.

30% Residential Clean Energy Credit Rebates

Our solar power system provides sustainable and emission-free energy, harnessing the abundant power of the sun. With a strong commitment to the environment, we offer a clean, reliable alternative that reduces carbon footprint and ensures a brighter, more sustainable future for all.

RV outdoors with man and child grilling food. DELTA 2 Max is charging via a solar panel.

Multi-Functional Home Backup and Outdoor Power

Stay prepared for any situation with our flexible and portable power solution. Whether you need reliable backup power for your home during outages or seek an energy source for outdoor adventures, our system is designed to meet your diverse needs.

Two DELTA Pro batteries connected to a transfer switch inside a living area, while a man sits to the left.
A two-story home with whole-house generator setup, including 2 × DELTA Pro units, Smart Home Panel, and solar panel.
Man and child express happiness, while DELTA 2 Max powers their home via a transfer switch.
RV outdoors with man and child grilling food. DELTA 2 Max is charging via a solar panel.

How to Choose a
Whole
House
Generator?

files/1_fac1c506-1237-49f7-886a-b72fd42ced6c.png Whole-house generator setup, including 2 × DELTA Pro and transfer switch powering an entire two-story family home.

When choosing a whole house generator, consider:

• Fuel source

Choose a generator that runs on a readily available fuel source, such as solar.

• Power needs

Pick a generator that can support the actual power needs of your home.

• Cost-effectiveness

Choose a generator with a good balance of power and affordability,with low operating costs.

• Peace of mind

Pick a generator with automated operation and a maintenance-free life,for seamless power during outages.

Benefits of Whole
Home Generator

Reliable Power
Investing in a whole home generator guarantees your home’s power supply, giving you and your family peace of mind during outages.
Convenient
Whole house generators offer superior backup power compared to portable generators, with convenient fuel options, permanent installation, and advanced features like smart remote monitoring.
Installation-free
Whole house generators that require no installation offer the convenience of backup power without the hassle of setup and permanent placement.

Watch to Learn More

Read More From EcoFlow

Standby Generators vs. Portable Power Stations: Which to Choose?
How to Choosea Home Battery Backup System?
How Much Does a Home Backup Generator Cost?
What’s the Best Alternative to a Home Backup Generator?
How Many Solar Panels Do I Need for a 1,000 Sq Ft Home?

Frequently Asked
Questions

Is it worth getting a whole house generator?

A whole house generator ensures that you and your family have energy security when a power outage strikes. With extreme weather events becoming more common and the aging power grid becoming increasingly unreliable, there has never been a better time to invest in a whole house generator. You can also save on your electricity bills over time — or even eliminate them completely with clean, renewable solar power.

What is the cost of a whole house generator?

The cost of a whole house generator depends on numerous factors. The most critical are fuel type, power output and storage requirements, and how much electricity your family consumes. Gas generators may be cheaper upfront, but generators that offer solar charging with solar panels will save you money on fuel, maintenance, and lifespan in the long run.

Can the EcoFlow whole home generator run on renewable energy sources?

Yes. The EcoFlow whole home generator solution offers up to 1600W of solar charging capacity using portable, rigid, or flexible solar panels (3200W if you connect two DELTA Pros with a Double Voltage hub). How much electricity your whole house generator can provide in a day depends on environmental factors such as how many hours of peak sunlight your home receives. Still, solar generators function even on overcast or stormy days. You also have the option to add the Smart Generator (Dual Fuel), which can run on clean-burning and easy-to-store propane (LPG), as an additional backup charging source.

Can a portable generator power a whole house?

Yes, you can power your whole house using a DELTA Pro portable power station and solar panels. Which configuration is right for you depends on your household electricity consumption and how many appliances you want to run simultaneously during a blackout. If your HVAC systems require electricity, you’ll probably want to invest in the Advanced Kit, 4 - 8 x rigid 400W solar panels, and additional storage capacity with DELTA Pro Smart Extra Batteries.

What kind of fuel does the EcoFlow whole house generator run on?

One of the most significant advantages of the EcoFlow whole house generator is how many charging options it gives you. Using solar panels, you can generate up to 1600W of clean, renewable solar power simultaneously. You can keep your system fully charged between blackouts by quickly charging it with household (AC) electricity. You even have the option to recharge using propane (LPG) and/or gasoline by adding a Smart Generator Dual Fuel to your setup.

How often do I need to perform maintenance on my EcoFlow whole home generator?

One of the many advantages of solar-powered whole house generators is that they require no regular maintenance. Aside from keeping your solar panels free from obstructions and cleaning them every 6-12 months, your EcoFlow whole home generator requires no maintenance, unlike gas generators that need routine upkeep. And because solar is clean and renewable, there are no fuel costs either.

How big of a generator do I need to run my whole house?

Every house is different. There’s no one-size-fits-all generator solution that will work for everyone. That’s why EcoFlow gives you so many options to customize power output and storage to meet your family’s unique needs. To determine how big a generator you need, decide which appliances you want to run simultaneously during a blackout and total up their starting and running wattages. Your generator’s power output capacity must exceed that total wattage — preferably by 10-20%. Looking at your average electricity consumption over the course of a year from your monthly electricity bills is also a good way to estimate how big a generator you need.

Is the whole house generator from EcoFlow easy to install?

The whole house generator solution from EcoFlow is plug-and-play. You can add additional power output and storage capacity — and even a Smart Generator Dual Fuel that operates on propane (LPG) or gas — as easily as plugging an appliance into a wall socket. If you’re using rigid solar panels permanently installed on your roof to generate electricity, you may opt for professional installation. And if you’re integrating your whole house generator with your household wiring with a transfer switch or Smart Home Panel, you may want to hire a professional electrician for half an hour. That’s it.

What happens if there's a power outage while I'm away from home?

You can control and monitor EcoFlow’s whole house generator solution from anywhere with an internet connection using the EcoFlow smartphone app. You can also program your whole house generator regularly to kick in during peak hours to save on your electricity bills. Want your generator to start up immediately during a blackout? You can do that, too — with virtually no interruption to your electricity supply.

What is the expected lifespan of an EcoFlow whole house generator?

The lifespan of any generator is largely dependent on how often you use it. The DELTA Pro portable power station(s) at the heart of EcoFlow’s whole house generator solution can cycle (discharge and recharge) 3,500 times before diminishing in efficiency and 6,500 times before reaching 50% capacity. On average, your whole house generator will last you for 10 years or more and is warrantied for five years.

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