Sector-fit engineering
Every recommendation begins with the actual home, facility, load, and operating requirement.
Solar · Electrical · Auxiliary SystemsEngineering energy.
Engineering energy.
Powering progress.
Every project is an opportunity to make a lasting difference. Through expertly engineered solar, electrical, and auxiliary systems, we create safer, smarter, and more reliable spaces—helping businesses grow, families thrive, and communities move forward. Because at Alpharex, we don't just complete projects—we leave them better.
- Solar Solutions for Residential Sector
- Low & Medium Voltage Electrical System for Commercial & Industrial Sectors
- Auxiliary Systems for Commercial & Industrial Sectors
The Watt Up Way
Leave it better.
Every project.
People behind the workEstablished 2023, at Alpharex, every project begins with a simple principle: leave it better than we found it. Whether we're designing a residential solar system, upgrading electrical infrastructure, or deploying auxiliary technologies, we approach every project with the same level of precision, accountability, and care.
From planning and engineering to installation, testing, and long-term support, one integrated team takes ownership from start to finish—giving our clients a smoother experience and solutions they can rely on for years to come.
Engineering solutions at its finest.Engineering, installation, testing, and support.
Complete delivery
Design, protection, equipment, installation, testing, and turnover are planned as one system.
Nationwide support
One accountable team guides residential, commercial, and industrial projects from start to support.
What we deliver
Our scope of work.
Three focused capabilities serving residential, commercial, and industrial sectors.
One disciplined process
From requirements
to reliable systems.
Our team supports residential, commercial, and industrial projects nationwide from Quezon City / Binangonan, Rizal.
1 · Assess and engineer2 · Build and integrate3 · Test, turn over and support
One process across solar solutions, low- and medium-voltage electrical systems, and auxiliary systems.
Residential solar estimator
See your
solar potential.
Use your average monthly electric bill for a quick planning range. A site assessment and your actual billing history will help us prepare a tailored recommendation.
Request a tailored assessment ↗PHP
₱2,000₱50,000+
Important: This calculator provides an indicative planning range only—not a quotation, guaranteed savings, system design, or return-on-investment promise. Estimates assume a typical residential grid-tied installation, an illustrative electricity rate of ₱11.50/kWh, 4.2 peak sun-hours, and normal system losses. Actual results vary with your tariff, consumption pattern, roof area and orientation, shading, weather, equipment, system availability, net-metering approval, financing, and site conditions.
Our portfolio
Project portfolio.
Swipe through selected Alpharex work. Project details are presented directly inside each image.
View Company Profile ↗Credentials
Registered / AccreditedSEC
Registered / AccreditedPECCMB
Registered / AccreditedPhilGEPS
Registered / AccreditedPCAB
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Tell us what
you need to power.
Share your project requirements and our Account Manager will review your inquiry within one business day.
For Alpharex employees
Everything you need.
One portal away.
Access Hara-One instantly for projects, requests, approvals, payroll, and daily company operations.
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