Expandable Prefab House with Solar Panels & Battery

Constructed on the basis of galvanized steel frame with powder painting, treated for enduring resilience, our portable home & mobile office comes with a prefab wide area. The walls use 75mm EPS sandwich panels(2sides are thicker color steel with EPS insulation material inside) and the roof uses 50mm EPS panels. Its double glazed glass and lockable entrance door ensure safety while welcoming natural light. All of our various windows use double-glazed glasses and enforced frame(PVC, aluminum and bridge cutoff aluminum) guarantee the ventilation and insulation, increased the modern fashion design.

Besides the roof panel itself, there is extra insulation for the roof with glass wool and reinforced together with galvanized, painted steel frame for optimal temperature regulation. The internal walls(bedrooms partitions walls and bathroom walls) are manufactured from 50mm EPS sandwich panels, helping improve energy saving and comfortable living experience. The water proof and insect-resistant MGO board made composite floor, decorated by surface floor includes PVC vinyl, SPC or Wooden make the house more beautiful and more practicable.

In the kitchen, there are many designs available for the cabinets and cupboards in wall to provide bigger space for customer daily use, the sinks and taps we use are stainless steel with colors options.

For the bathroom, there are also different designs, shape and etc. for customers further selection, the basic configurations including shower room, toilet, sink, cabinet, vanity mirror, lamp, of course floor and etc.

Please Note: Furniture, air conditioners and other electrical appliance are not supplied with the building. 

Smart Off-Grid Modular Living Solutions by HuaYing Integrated Housing

As energy efficiency and sustainability become critical factors in modern construction, the Expandable Prefab House with Solar Panels & Battery offers a reliable solution for off-grid and low-energy projects. Developed by HuaYing Integrated Housing, this modular system integrates expandable space design with renewable energy technology, delivering independence, flexibility, and long-term cost savings.

What Is an Expandable Prefab House with Solar Power System?

This solution combines a foldable expandable prefab structure with an integrated solar power generation and battery storage system. The house is compact during transportation and expands on site, while the solar panels and battery provide clean, stable electricity—making it suitable for locations with limited or unreliable grid access.

Core Advantages of Solar-Powered Expandable Prefab Houses

Integrated Renewable Energy System

• Roof-mounted solar panels for clean energy generation

• Battery storage system for day-and-night power supply

• Reduced reliance on local power grids or diesel generators

Expandable Modular Design

• Compact size for efficient shipping

• Expanded interior space after installation

• Flexible layouts for residential or commercial use

Energy Cost Reduction & Sustainability

• Lower long-term operating costs

• Reduced carbon footprint

• Ideal for eco-friendly and green building projects

Structural System & Building Materials

The expandable prefab house by HuaYing Integrated Housing is engineered for durability and energy efficiency:

• Main Frame:
  High-strength galvanized steel structure with anti-corrosion treatment

• Wall System:
  Insulated sandwich panels designed to reduce heat loss and improve indoor comfort

• Roof System:
  Insulated roof panels optimized for solar panel installation

This structural system ensures stability during transportation, expansion, and long-term operation in various climates.

Solar Panels & Battery Storage Configuration

Solar Power System

• High-efficiency photovoltaic panels

• Optimized placement for maximum sunlight exposure

• Compatible with different climate conditions

Battery Energy Storage

• Reliable battery system for energy storage

• Supports continuous power supply during night or cloudy conditions

• Designed for safety, durability, and long service life

The system can be scaled or customized based on power consumption requirements.

Interior Layout & Living Comfort

The expandable design allows for practical and comfortable interior zoning:

• Living and dining area

• Bedroom or sleeping area

• Kitchen space

• Bathroom with essential fixtures

Combined with proper insulation and natural lighting, the house delivers a comfortable living environment even in remote locations.

Windows, Doors & Ventilation

• Double-glazed windows for thermal insulation

• Secure entrance door for safety and privacy

• Balanced window layout for natural lighting and airflow

These features contribute to energy efficiency and indoor comfort.

Application Scenarios

The expandable prefab house with solar panels and battery is widely used in:

• Off-grid residential housing

• Remote worker accommodation

• Eco-resorts and sustainable tourism projects

• Emergency and disaster relief housing

• Agricultural and rural housing

• Mining, oil & gas, and infrastructure projects

Customization & Optional Upgrades

HuaYing Integrated Housing offers flexible customization options:

• Solar panel capacity upgrades

• Battery storage size selection

• Interior layout customization

• Exterior finishes and color options

• Additional energy-saving systems

This ensures the solution can be adapted to different environmental and operational needs.

Manufacturing, Quality Control & Support

• Factory-prefabricated under strict quality standards

• Pre-installation testing of electrical and solar systems

• OEM & ODM support for large-scale projects

• Technical guidance for installation and maintenance

Why Choose HuaYing Integrated Housing?

• Expertise in expandable and energy-integrated prefab housing

• Reliable structural and electrical engineering

• Global project delivery experience

• Flexible customization and bulk supply capability

• One-stop modular housing solution provider

Looking for a Solar-Powered Expandable Prefab House?

If you are planning an off-grid project or a sustainable housing development, HuaYing Integrated Housing provides expandable prefab houses with integrated solar panels and battery systems tailored to your requirements.

Contact us today to receive technical specifications, energy system options, pricing, and delivery timelines.