Choosing a solar installer in Malaysia is not only about finding the lowest solar quotation. For many homeowners, the bigger worry is what happens after installation. If the inverter shows an error, the monitoring app stops updating, the system produces less than expected, or there is a roof-related concern after installation, will the solar company still respond properly?
This is why Solar100 encourages homeowners to compare solar installers based on after-sales support, warranty explanation, quotation transparency, system monitoring, roof mounting method and long-term service response — not just price alone.
Important note: This article is a homeowner comparison guide, not an official ranking or paid endorsement. Company names mentioned are commonly compared by Malaysian homeowners when researching solar installation options. Homeowners should always confirm the latest quotation, warranty terms, installer registration, service coverage and after-sales process directly before making a decision.
A home solar system is a long-term installation. Most homeowners expect the system to work for many years, but the real experience depends on more than just the solar panels. The inverter, wiring, mounting structure, monitoring app, workmanship quality and after-sales response all affect the long-term value of the system.
Before choosing any solar installer, homeowners should ask:
The cheapest quotation is not always the best option if the homeowner is unclear about warranty, workmanship scope and after-sales responsibility.
When Malaysian homeowners search for solar installation, several well-known names often appear in the comparison process. For a national-level comparison, Solar100 suggests homeowners may start by comparing these 3 commonly discussed installer options together with suitable local solar companies in their own area.
National solar brand Residential & commercial solar Good for comparison
Solarvest is one of the solar companies that homeowners may come across when comparing solar installation in Malaysia. It is often considered by homeowners who prefer to compare a more established national solar brand with broader project experience.
Why homeowners may compare Solarvest:
Questions to ask before choosing:
TNB-linked solar option Residential & business solar Good for homeowners comparing trust factor
GSPARX is another solar name that many Malaysian homeowners may come across, especially because of its connection with TNB. Some homeowners may feel more comfortable comparing a TNB-linked solar option when they are still new to solar installation.
Why homeowners may compare GSPARX:
Questions to ask before choosing:
Residential-focused solar Home solar comparison Good for landed homeowners
Verdant Solar is a solar company that many homeowners may see when researching home solar installation in Malaysia. It is often relevant for landed homeowners who want to compare residential-focused solar solutions, installation process, customer experience and after-sales support.
Why homeowners may compare Verdant Solar:
Questions to ask before choosing:
No. These 3 names are useful for national-level research, but homeowners should not stop at brand names alone. In many cases, a suitable local installer may provide faster site visits, clearer area coverage and more practical after-sales support, especially if the company actively serves your city or state.
For example, a homeowner in Johor Bahru, Shah Alam, Penang, Ipoh, Melaka, Kota Kinabalu or Kuching may need to compare both national companies and local installers that regularly handle projects in that area.
The best installer for your home depends on your roof condition, electricity bill, system size, payment preference, single-phase or three-phase supply, and how much after-sales support you expect after installation.
| Installer Option | Best For | What to Compare |
|---|---|---|
| Solarvest | Homeowners who want to compare a larger national solar brand | System design, quotation scope, warranty, monitoring support, installation process |
| GSPARX | Homeowners who prefer comparing a TNB-linked solar option | Package suitability, payment options, solar scheme explanation, after-sales process |
| Verdant Solar | Landed homeowners comparing residential-focused solar solutions | Home solar design, installation protection, warranty clarity, customer support |
| Local solar installers | Homeowners who want area-based service and faster local response | Site visit availability, local project experience, response speed, workmanship support |
Before paying a deposit to any solar installer in Malaysia, homeowners should compare these 7 items carefully:
Solar100 is not here to push homeowners to choose the first quotation they receive. Our goal is to help homeowners compare suitable solar installer options based on location, electricity usage, house type and main concern.
If you are worried about choosing the wrong installer, you can send your basic details to Solar100. We can help you understand what type of installer options you should compare before deciding.
Send these details for a simple installer comparison:
Some of the solar companies Malaysian homeowners often compare include Solarvest, GSPARX, Verdant Solar and other local solar installers. However, the best choice depends on your area, house type, monthly TNB bill, roof condition, system size and after-sales support expectations.
Not always. A cheaper quotation may not include the same inverter, panel type, workmanship scope, monitoring setup or after-sales support. Homeowners should compare the full quotation, warranty terms and support process before deciding.
Ask about inverter warranty, panel warranty, workmanship warranty, roof mounting method, monitoring support, application process, payment options and who will handle after-sales service after installation.
A national solar company may offer stronger brand recognition and broader experience, while a local installer may offer faster area response and practical local support. Homeowners should compare both before deciding.
Yes. You can send Solar100 your area, house type, monthly TNB bill and main concern. Solar100 can help you compare suitable installer options before you make a decision.
Malaysia