Homes & buildings
Rooftop systems for homes, apartments, offices, clinics and schools that cut bills and ride through load-shedding.
- On-grid, hybrid and backup systems
- Net metering under the 2025 guideline
- Voltage stabilizers for sensitive loads
Solutions
On-grid, off-grid and hybrid systems for homes, businesses, industry and agriculture, supplied as one complete package.
Which system is right for you?
01
On-grid
Solar powers the building first and the grid covers the rest. Eligible surplus can be exported under net metering.
Solar panelsGrid-tied inverterBuildingMeterUtility grid
- Ideal for
- Homes, offices and businesses with a reliable grid connection.
- Works during outages
- No
02
Off-grid
Works independently of the grid. Solar charges a battery bank that supplies power at night and in low sun.
Solar panelsCharge controllerBatteryOff-grid inverterLoads
- Ideal for
- Remote sites and places that need an independent power supply.
- Works during outages
- Yes
03
Hybrid
Combines solar, battery storage and the grid through a hybrid inverter, keeping selected loads running during load-shedding.
Solar + grid + batteryHybrid inverterLoads
- Ideal for
- Homes and businesses that want solar savings and battery backup.
- Works during outages
- Yes
Commercial & industrial
Factories, warehouses, cold storage and commercial buildings. We turn unused roofs into energy assets.
- Bill analysis and payback study
- Solar + grid + battery + generator
- Solar-as-a-Service for eligible sites
Agriculture & utility
Ground-mounted arrays, solar irrigation and water pumping that replace diesel on open land and remote sites.
- Solar irrigation and pumping
- Ground and elevated structures
- Operation and maintenance
Solutions
Specific answers to the energy problems we see every day, from rising bills to load-shedding and diesel costs.
01
Solar Bill Zero
We analyse your bills, load profile and roof, then engineer a system for the largest practical cut in your electricity cost.
02
PowerGuard backup
Solar when you have it, battery when you need it. Keeps clinics, shops and offices running through outages.
03
Hybrid factory power
Solar, battery, grid and generator managed as one system to reduce fuel use and keep production running.
04
Cold chain solar
Solar designed around refrigeration loads for cold storage, fisheries and food processing.
05
Solar irrigation & pumping
Solar pumps with MPPT controllers that replace diesel for farms, fisheries and rural water supply.
06
Roof to revenue
Large commercial roofs become productive energy assets, with net metering where eligible.
07
Solar-as-a-Service
Structured financing and energy-service options so eligible businesses can go solar without a large upfront cost.
08
Solar parking & EV charging
Solar carports with optional storage and EV chargers for malls, hotels, offices and hospitals.
09
Monitoring & Solar Doctor
Performance monitoring, maintenance, troubleshooting and repair for new and existing systems.
We supply everything needed to build a safe, efficient and long-lasting solar power system, selected to work together.
- 01Solar PV modules
- 02Inverters
- 03Lithium & lead-acid batteries
- 04Charge controllers
- 05Voltage stabilizers
- 06Mounting structures
- 07DC/AC isolators & SPD
- 08MCB, MCCB & distribution boards
- 09Solar cables & connectors
- 10Earthing & monitoring
15 years
Delivering power solutions
24.1%
Peak module efficiency
1,200+
Projects delivered
64
Districts served
Process
A clear, structured process from the first conversation to handover and beyond.
01
Customer requirement
We understand your electricity use, objectives and energy needs to define the right solution.
02
Site assessment
We review your roof or land, electrical connection, sunlight exposure and installation conditions.
03
System design
We determine solar capacity, inverter configuration, battery needs and protection design.
04
Equipment selection
We select the right panels, inverters, batteries, structures and accessories for your system.
05
Installation & testing
Professional wiring, protection, testing and commissioning for safe and efficient operation.
06
Handover & support
We hand over the system, guide your team and stay on for monitoring and maintenance.
Partners
Every business has unique energy needs. We select dependable components from the world's leading manufacturers and build systems for performance, savings and long-term reliability.
PV module partners
Inverter partners
Brands we use
Protection, switchgear and balance-of-system
- Delixi Electric
- CHNT
- SAKO
- CNC Electric
- Tengen
- Zhengxi
Contact
Tell us about your project and an engineer will reply within one working day.
- +971 50 956 9576
- Email us
- info@osleos.com
- Head office
- Tanjima Villa, 31/1, Lift-2, Flat-C2 (2nd Floor), East Hazipara, Rampura, Dhaka-1219, BangladeshGet directions
- Office hours
- Sat – Thu, 10:00 – 21:00