Business ProfileSolar Companies in Honolulu, Hawaii
Grand Solar, Inc.
Grand Solar, Inc.
Based in Honolulu, Grand Solar, Inc. handles residential and commercial solar installation in Hawaii. Established in Hawaii in 1980 and incorporated in 1985, it designed the BlazingTubes solar heater, which uses selective-coated solar vacuum tubes to heat water passively.
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Business Highlights
- Grand Solar describes BlazingTubes as having a 25-year design life of trouble-free operation.
- BlazingTubes systems carry a 10-year manufacturer's warranty.
- Grand Solar says its photovoltaic systems use only US-manufactured components.
- Grand Solar says original owner John Grandinetti is present at all residential and commercial solar system installations.
- Grand Solar describes itself as an active Better Business Bureau member since 1990.
- Grand Solar says it is a member in good standing of the Hawaii Solar Energy Association.
- The company says it installed solar hot-water systems for all units in a project without net profit.
Service Area
Hawaii.
Active Business Listing
Grand Solar, Inc. is one of 8 solar companies ProsGrade lists in Honolulu, Hawaii.
Active
Public local listing
Listing details
5 services listed, including BlazingTubes solar water heating, Conventional pump solar hot-water systems and Thermosyphon solar hot-water systems. Open 7 days a week. 4 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Grand Solar, Inc. compares with the other 7 solar companies on ProsGrade in Honolulu, using public Google ratings and review counts.
- One of 8 Honolulu solar companies on ProsGrade.
Services Covered
5 services- BlazingTubes solar water heatingselective-coated solar vacuum tubes; passive water heating
- Conventional pump solar hot-water systems
- Thermosyphon solar hot-water systems
- Residential photovoltaic systems
- Residential and commercial solar installation
Reviews
What customers say
Customers praise Grand Solar's solar work; one says it installed a solar heater and panels for their household and some neighbors. One homeowner says they used Grand Solar at two homes and later found it was the low bidder for removing a hot-water panel and infrastructure before roofing; the customer also praised John and Jeff's customer service and pricing. Another customer calls Grand Solar dependable for solar-water-heater problems.
Customer Reviews
Robert M
I’ve used Grand Solar at two different homes that I owned. John and Jeff gave me great customer service and pricing. Recently I needed my hot water panel and infrastructure removed for roofing and again they were the low bidder with great customer service.
Kalani Apao
They installed our solar heater and panels and a few other neighbors and they did an Awesome job!
Eve Lacaden
No review text provided.
steph salgado
Very dependable, did an amazing job and saved me thousands!! He is your man for solar water heater problems.
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Frequently Asked Questions
How long does a BlazingTubes installation from Grand Solar take?
Grand Solar says a BlazingTubes installation takes one day.
How does Grand Solar connect BlazingTubes to an existing water heater?
The units are plumbed in series with an existing electric or gas water heater, which acts as backup on rainy days.
How does Grand Solar size a BlazingTubes system?
Grand Solar says the number depends on household size; two units are ordinarily installed for a family of three to four and provide up to 90% of the hot water consumed.