Counts from public records, not a review or rating. I have no partnership with Quality First Home Improvement; the name is as the utility recorded it.
Quality First Home Improvement at a glance
| License lookup | California Contractors State License Board |
|---|---|
| Systems in records | 1,458 |
| Years in records | 2009–2023 |
| Latest record | 12/2023 |
| States | California |
| Top cities | San Jose, Stockton, Yuba City, Vacaville, Fremont |
| Typical system | 3.7 kW |
| Main panel brand | SolarWorld |
| Main inverter brand | Enphase Energy Inc. |
| With a battery | 0% |
| Leased or PPA | 0% |
Records: LBNL Tracking the Sun.
Quality First Home Improvement systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| California | 1,458 | 2009 | 2023-12 |
Systems by year
Where Quality First Home Improvement installs
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| San Jose | 457 | 31% |
| Stockton | 72 | 5% |
| Yuba City | 47 | 3% |
| Vacaville | 43 | 3% |
| Fremont | 43 | 3% |
| Milpitas | 38 | 3% |
| Sunnyvale | 37 | 3% |
| West Sacramento | 31 | 2% |
| Woodland | 28 | 2% |
| Auburn | 25 | 2% |
| Vallejo | 24 | 2% |
| Campbell | 24 | 2% |
Source: LBNL Tracking the Sun, residential systems in utility interconnection records. City as the utility recorded it. How I count.
Equipment and ownership
- Panels: SolarWorld (37%), LG Electronics Inc. (34%), Sharp (23%), Mission Solar Energy LLC (3%), Enphase Energy Inc. (1%)
- Inverters: Enphase Energy Inc. (90%), PV Powered (7%), Fronius USA (2%), Hoymiles Power Electronics Inc. (0%), SunPower (0%)
- Leases and PPAs: 0% of its systems with known ownership were leased or under a power purchase agreement.
- Batteries: 0% of its systems had a battery on record.
Offered a lease or PPA? Read lease vs buy first.
Before you sign
- License. Look the company up with the California Contractors State License Board and check the name on the contract matches the license.
- Run the quote through the quote checker and the list in how to check a solar quote.
Companies of similar size in California records
Solar360 Buidling Services (1,517), Mohr Power Solar (1,491), Sunfusion Solar (1,491), Skytech Solar (1,482), Smart Solar Of Southern Californiasmart Solar Design (1,451), Nova West Solar (1,421), Valley Solar And Water (1,420), Energy Saving Pros Construction (1,412).