Planning to Go Solar? Ask These Key Questions Before You Start



Choosing solar is one of the smartest investments for your home or business ,but your choice of installer will determine how smooth (or stressful) the journey is. With the number of providers growing every day, asking the right questions upfront can save you money, time, and trouble in the long run.


What is the 20% Rule for Solar Panels?

This general rule suggests that a solar system covering around 20% of your roof can meet a typical household’s energy demands.

But keep in mind — this is just a starting point.

Factors like:

  • your actual energy usage

  • the efficiency of panels installed

  • the tilt and orientation of your roof

… all affect how much roof area you’ll need. Reliable solar companies use tools like aerial scans and usage history to give you a tailored recommendation, not just a ballpark figure.


How Many kW of Solar Do I Need?

System size should never be guessed. It’s calculated based on:

  • your past electricity bills (at least 6 months)

  • your family’s appliance usage

  • any planned additions like electric vehicles or new ACs

  • the number of sunny days your area receives

For many homes, the range is 3 to 5 kW, but your needs may be higher or lower. Trustworthy providers perform load analysis before giving a final quote.


7 Questions About the Installer

An honest solar partner will be transparent about their experience and credentials. Ask them:

  • Are you certified to install solar in my state?

  • How long have you been in the solar industry?

  • Do you have photos or client references I can review?

  • Will the team be in-house or subcontracted?

  • Do you check my roof’s condition before installing?

  • What is your after-installation service process?

  • How fast is your response time for any system issues?

Professionalism during consultation often reflects long-term reliability.


7 Questions About Solar Equipment

The panels and inverter aren’t just hardware — they’re your system’s engine. Be sure to ask:

  • Which solar panel brands do you offer?

  • Are these Tier 1 and approved by BIS?

  • What is the real-world efficiency of these panels?

  • Do your inverters support app-based monitoring?

  • What’s included in your warranties — both product and performance?

  • Can I add a battery later if I need it?

  • How do you compare these brands to others in the market?

The best solar systems use proven brands with robust support and warranties.


Questions On Installation Process

Installation is more than just bolting panels to your roof. Make sure to ask:

  • How many days will the installation take?

  • Will you modify my roof or structure?

  • Do you handle grid connection and approvals?

  • Is net metering included in your services?

  • What happens after installation — do I get usage training?

A well-structured process is a sign that your installer values your time and safety.


How to Spot a Solar Scam

Solar scams can cost you both money and peace of mind. Watch out for:

  • “Too good to be true” offers (like 100% savings or free systems)

  • Rushed deals or “act now” discounts

  • Lack of company registration or reviews

  • Sales teams that avoid technical questions

  • No site visit or load analysis before quoting

When in doubt, work only with verified solar panel distributors in Coimbatore with an established presence and satisfied customers.


Final Thoughts: Get the Right Answers, Get the Right System

The more informed your questions, the more confident your solar decision will be. Don’t let pricing alone guide your choice. Look for transparency, local experience, and proven performance.

At Kondaas, we make solar simple, smart, and worry-free.

  • We educate, not oversell

  • We provide honest, data-backed proposals

  • We offer reliable after-sales service

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