Guasti Solar Review 2024 - A Local Choice?

Installing solar since 1988
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Updated on 2023-08-17


Guasti Solar is a small company that installs solar power systems and battery backup systems. Established in 1988, Guasti Solar is based in Oak Hills, California, and prides itself in being a local business. 



Products and Services 


Solar PV system installation: Guasti Solar installs solar electric systems, helping homeowners and businesses lower their electricity costs by reducing their reliance on utility companies. Facts show that the company specializes in roof-mounted solar systems but can mount solar arrays on the ground if there’s enough space on the client’s property.


Battery backup system installation: Guasti Solar offers optional battery backup systems for residential and commercial customers. Available in different volt configurations, these backup systems can supplement your existing energy system by storing energy during off-peak hours, or power outages.



Guasti Solar sources the best products for its clients, including these:


Q Cells panels: Q Cells manufactures monocrystalline silicon panels that are considered tier 1 and are one of the top 10 solar panel brands in the world. 


Canadian Solar panels: Guasti Solar offers this popular choice amongst customers due to its low price and solid performance. 


SMA inverters: These are high-performance solar inverters that cater to everything from small residential systems to large-scale off-grid solar systems.



Installation Costs and Processes

During a free consultation, Guasti Solar collects data from the client regarding the client’s needs, budget, preferences, and energy consumption. Then, its team designs a solar energy system based on this data, giving details of what it’s up to to the client as it works, allowing the client to feel included throughout the installation process. After applying for and getting permits from the concerned local authorities, Guasti installs the solar system, which is inspected before being switched on. 



Guasti does not give a one-size-fits-all price range for solar systems but encourages shopping customers to call its representatives for a free estimate of the cost of the solar system to be installed. Customer reviews rate the company’s pricing structure as average compared to the industry standard and confess that the price paid is worth the quality of services rendered.



Guasti Solar is a legitimate company. It is accredited by the Better Business Bureau with an A+ rating, has an active license status with the California State License Board, and maintains a positive online reputation.



While there doesn’t appear to be a straightforward fact about Guasti Solar’s maintenance policy, client reviews show that it is willing to maintain faulty systems installed by them. This could be because it does not drag its feet at maintaining faulty systems or because it has a history of not deserting customers when persecutions arise post-installation.


Secret Shopper Analysis

We reached out to Guasti Solar, which specializes in solar PV system installation and battery backup system installation for residential and commercial customers. They offer high-quality products, including Q Cells and Canadian Solar panels, as well as SMA inverters. The installation process involves a free consultation, system design, permit acquisition, and final installation with inspections.

While Guasti Solar does not provide specific cost information on their website, customers have rated their pricing structure as average compared to industry standards. The company is accredited by the Better Business Bureau with an A+ rating and maintains a positive online reputation.

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Review Analysis

Guasti Solar has an impressive rating of 4.8 stars based on 10 reviews. As a family business, they are highly praised for their punctuality, professionalism, and excellent customer service. Customers specifically mention positive interactions with Anthony, Luke, and Lisa from the Guasti family.

The team is commended for their transparency, keeping clients informed throughout the inspection and installation process. The quick turnaround time provided by Edison is also noted. Guasti Solar is recognized for delivering high-quality products and providing reliable support. Their installations, including Bergey wind generators, are reported to be durable and effective, resulting in significant energy savings for customers.

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The SolarEmpower View

Guasti Solar has maintained its focus on quality and craftsmanship while providing competitive pricing and excellent customer service. This is particularly important, considering it primarily serves residential clients looking for solar panels to reduce their energy bills and increase their home’s value. Guasti Solar deserves your business.


💲Cost: 8/10 🎗️Legitimacy: 9/10
⭐Quality: 9.5/10 📞Customer service: 8.5/10
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Industry Certifications

Better Business Bureau
Better Business Bureau

Service Types

Residential Solar
Commercial Solar


Does Guasti Solar offer a free consultation?

Guasti Solar offers a free, no-obligation initial consultation.

Is Guasti Solar trustworthy?

Guasti Solar's online visibility and accreditation reaffirm its trustworthiness.

Does Guasti Solar provide a good service?

The various reviews from satisfied clients suggest that Guasti Solar provides a good service.

Guasti Solar Solar Details

Licensing Information


10328 El Centro Rd
Oak Hills CA

Guasti Solar User Reviews

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