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 Homes
- Low & Medium Voltage Electrical System for Commercial & Industrial Sectors
- Auxiliary Systems for Commercial & Industrial Sectors
The Watt Up Way
Leave it better.
People behind the workEstablished in 2023, Alpharex was built on a simple principle: leave every project—and ultimately the world—better than we found it. We believe that the work we do today should create a cleaner, safer, and more sustainable future for the next generation.
Whether we're designing residential solar systems, upgrading electrical infrastructure, or deploying auxiliary technologies, we approach every project with precision, accountability, and genuine care.
From planning and engineering to installation, testing, and long-term support, one integrated team takes ownership from start to finish. This seamless approach delivers a smoother experience for our clients while providing reliable, future-ready solutions that stand the test of time—helping build a better world for generations 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.
Integrated solar, electrical, auxiliary, and construction management systems for residential, commercial, and industrial requirements.
Solar Solutions
We believe every sunrise is an opportunity to build a brighter future. Our solar energy solutions help homes and businesses reduce energy costs, achieve greater energy independence, and invest in a cleaner tomorrow through expertly designed systems built for long-term performance.
Electrical Solutions
We provide comprehensive electrical solutions for commercial and industrial facilities, delivering safe, efficient, and reliable power systems tailored to your operational needs. From design and installation to maintenance and upgrades, every project is executed with precision to ensure lasting performance, compliance, and peace of mind.
Auxiliary Solutions
Modern businesses depend on more than just electricity—they rely on intelligent systems that keep people connected, protected, and productive. From CCTV, structured cabling, access control, fire detection, public address, and other auxiliary systems, we deliver integrated solutions that strengthen security, improve communication, and support seamless daily operations.
HARA-ONE Construction Software
Built for Startups, Small & Medium Construction Businesses
Built by contractors who experienced the challenges firsthand, HARA-ONE transforms the way construction businesses operate by bringing every department into one intelligent platform. From RFQs and project execution to procurement, finance, approvals, and reporting, it replaces fragmented processes with one connected system—so you can spend less time managing paperwork and more time building your business.
One disciplined process
From requirements
to reliable systems.
Every project moves through a visible, accountable path—from understanding what the site truly needs to proving that the finished system performs as intended.
01Understand the requirement
We study the site, operating needs, loads, risks, and goals before recommending a direction.
02Engineer and deliver
Design, protection, equipment, installation, and coordination move forward as one accountable plan.
03Verify and support
We test performance, document turnover, and stay available as the system begins doing its work.
Serving residential, commercial, and industrial requirements nationwide from Quezon City / Binangonan, Rizal / Kawit & Imus, Cavite.
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 electricity tariff of ₱16/kWh, an indicative installed cost of ₱65,000/kWp, 4.2 peak sun-hours, and normal system losses. ROI is annual savings divided by the indicative system investment; simple payback excludes financing, maintenance, degradation, export credits, and future tariff changes. 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
SECRegistered / Accredited
PECCMB(Meralco Accredited Contractor)
PhilGEPSRegistered / Accredited
PCABRegistered / Accredited
CRIF / D&BAccredited
Start a conversation
A better system starts
with a clear first step.
Tell us what needs to work better. We'll listen, study the requirement, and help shape a practical path forward.
Already working with us
Need aftersales support
on an existing project?
Tell us what needs attention. Our team will review the request and coordinate a site visit if one is needed.
Supplier partnership
Change the future with us—
be the supplier behind the change.
We're looking for partners who share our commitment to quality, innovation, and sustainability. Submit your company details to begin the HARA-ONE supplier accreditation process.
01 · Submit company details02 · Procurement review03 · Directory accreditation