5 Red Flags When Choosing a Solar Installer

Solar is a big investment — ₱200,000 to ₱500,000+. Choosing the wrong installer can mean wasted money, safety hazards, or a system that underperforms for 25 years.

1. No PEC License

Every solar installer should have a Professional Electrical Engineer (PEE) or Registered Electrical Engineer (REE) license, plus PEC compliance certification.

Ask: "Can I see your PEC license number?" If they hesitate — walk away.

2. No Written Quotation or Bill of Materials

A professional installer provides a detailed, itemized quotation including exact panel brand/model, inverter, battery, all hardware, labor, and grand total with breakdown.

Red flag: "We'll give you the total price, no need for a breakdown."

Tip: Use our free Solar Quotation Tool to generate your own BOM and verify the installer's pricing.

3. Missing Safety Components

A proper installation MUST include:

• DC and AC surge protection devices (SPD)
• Grounding system
• Circuit breakers — DC and AC disconnects
• Distribution box
• Net metering enclosure (if applying)

Some installers skip these to lower their quote. This is dangerous and violates the Philippine Electrical Code.

4. Unrealistic Promises

Watch out for:

• "Your electric bill will be ZERO" (you still pay the minimum charge)
• "Payback in 1 year" (typical is 3-5 years)
• "Our panels last 50 years" (realistic is 25-30 years)
• "You'll earn money from Meralco" (export rate is lower than retail rate)

5. No Warranty Documentation

You should receive:

• Panel warranty — 25-year product, 30-year performance
• Inverter warranty — 5-10 years
• Battery warranty — 10 years (LiFePO4)
• Workmanship warranty — at least 1-2 years from installer
• All documentation in writing

How to Find a Trusted Installer

1. Get quotes from multiple installers — at least 3
2. Compare their BOM line by line
3. Check their past projects — ask for photos and references
4. Verify their PEC license
5. Use SolarEnergyPH to get matched with verified installers in your province — it's free

Engr. Jason Morales — Founder, SolarEnergyPH