Lumio Solar Reviews in Washington State

Switching to solar energy is an appealing option for many homeowners in Washington State, offering the benefits of renewable energy and potential savings on electricity bills. Lumio Solar is one of the companies offering solar solutions in this region. While Lumio Solar has received mixed reviews from its customers, this article will delve into the pros and cons, key features, and real customer experiences. It provides a comprehensive overview of Lumio Solar in Washington State.

Lumio Solar Reviews in Washington State: Pros and Cons

Pros Cons
  • Comprehensive solar solutions
  • 25-year warranty on installations
  • Efficient installation process
  • Knowledgeable and courteous staff
  • Issues with customer service responsiveness
  • Some reports of unprofessional conduct
  • Delays in warranty and rebate fulfillment
  • Mixed experiences with installation quality

Advantages and Disadvantages


  • Comprehensive Service: Lumio Solar offers a range of services including solar panel installation and battery backup options, making it a one-stop shop for solar needs.
  • Long Warranty: Customers benefit from a 25-year warranty on installations, which provides peace of mind and long-term security.
  • Efficient Installation: Many customers reported that the installation process was quick and efficient, often completed within a day.
  • Professional Staff: Reviews frequently mention the professionalism and knowledge of Lumio’s sales and installation teams, highlighting their ability to explain the process clearly and address concerns.


  • Customer Service Issues: Some customers experienced difficulty in reaching Lumio’s customer service post-installation, with delays in response and follow-up actions.
  • Unprofessional Conduct: Some reviews mentioned unprofessional behavior from the installation crew and other staff. This included a lack of respect for customer property and improper conduct.
  • Warranty Fulfillment Delays: There were reports of delays in fulfilling warranty claims and rebates promised during the sales process, causing frustration among customers.
  • Mixed Installation Quality: While many installations went smoothly, some customers reported issues with the quality and adherence to code, leading to additional repairs and adjustments.

Key Features of Lumio Solar

Here are some standout features of Lumio Solar that have been highlighted in customer reviews:

  • Knowledgeable Sales Team: Customers appreciated the clear and thorough explanations provided by Lumio’s sales representatives, helping them understand the benefits and process of going solar.
  • Efficient Installation Crew: The installation crews were often praised for their speed, efficiency, and courteous behavior, ensuring a smooth installation process.
  • Advanced Solar Technology: Lumio uses high-quality solar panels and systems from reputable manufacturers like Qcells and Enphase, ensuring reliable performance and durability.
  • Comprehensive Warranty: The company offers a robust 25-year warranty covering installations and panel performance, providing long-term security for customers.
  • Customer Service Commitment: Despite some negative reviews, Lumio’s responses indicate a commitment to resolving issues and improving customer satisfaction.

Customer Experiences with Lumio Solar in Washington State

Here are some real customer experiences with Lumio Solar in Washington State:

  • Positive Experience: One customer praised the professional and friendly installation crew who efficiently installed a solar system on their 1940s home. The customer highlighted the clean installation and the extensive 25-year warranty as key positives. They noted that despite the age of their home, the process was smooth and the result was satisfactory.
  • Mixed Experience: Another customer was pleased with the initial installation and system performance but expressed frustration over the company’s unresponsiveness when they tried to add more panels later. They found the initial service commendable but were disappointed by the lack of follow-up support.
  • Negative Experience: A customer had a highly negative experience, citing numerous issues from unprofessional behavior to significant installation errors and delays in receiving promised rebates. They reported that the installation team left a mess and that customer service was unhelpful in resolving their concerns.
  • Efficient Process: A different customer appreciated Lumio’s coordination of all permits and inspections, noting the seamless process and flawless installation. They mentioned that the company handled all the paperwork, making the process hassle-free for the homeowner.
  • Warranty Concerns: One customer reported that Lumio was slow to address warranty issues and failed to honor promises made during the sales process, leading to significant frustration. They found it difficult to get timely responses and resolution for their concerns.


In conclusion, Lumio Solar has a mixed reputation among customers in Washington State. While many praise their efficient installation process and knowledgeable staff, others have faced significant challenges with customer service and warranty fulfillment. The company’s commitment to resolving issues and improving customer satisfaction is evident, but there is room for improvement in their follow-up support and communication. As with any major investment, it’s crucial to thoroughly research and consider all aspects before making a decision.


  1. Which type of solar is best for home?
    Monocrystalline panels typically have the highest efficiency and power capacity. They can reach efficiencies of over 22% and provide over 300 watts (W) of power capacity. Many even exceed 400 W. Polycrystalline solar panels, on the other hand, rarely exceed 17% efficiency and tend to have lower wattages.
  2. Which solar is more powerful?
    Monocrystalline Solar Panels are the most efficient. Though they cost more than other types, mono panels offer the highest efficiency ratings and best power output. Due to their compact design, they work well on homes with limited roof space.

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