Best Solar Installers
Greater San Diego

263 companies analyzed in your area

Action Solar Installation of San Diego

19+ YEARS

Action Solar Installation of San Diego presents serious red flags that should make you reconsider. We found 73 reviews describing unreliable service after installation, with one homeowner waiting a full month for a warrantied compressor replacement on a seven-year-old unit, only to face a $2,500 bil

Avg Rating4.1/5
Reviews Analyzed481
Trust Score
63

Future Energy Savers

BBB A+14+ YEARS

Future Energy Savers isn't worth the gamble. We found 144 reviews detailing aggressive door-to-door sales tactics, with representatives refusing to proceed unless both spouses were present and hanging up on homeowners who declined. One reviewer scheduled an appointment, only to have the company canc

Avg Rating4.0/5
Reviews Analyzed909
Trust Score
60

SunPower by Milholland | Milholland Solar Electric & Roofing

15+ YEARS

This company appears unable to support the systems they install. We found 18 reviews from customers who couldn't get anyone to answer the phone after their solar went live, and 13 more describing failed equipment with no repair follow-through. One homeowner discovered a leak from a panel mount point

Avg Rating3.5/5
Reviews Analyzed135
Trust Score
60

SolarMax Technology

LICENSEDBBB A14+ YEARS

SolarMax makes big promises but fails when you need them most. We analyzed hundreds of reviews and found a clear pattern: strong sales experience followed by a service breakdown that leaves systems down for months. In one case, a customer waited four months for a replacement inverter while owing $2,

Avg Rating3.8/5
Reviews Analyzed702
Trust Score
60

Suncrest Solar

11+ YEARS

Suncrest Solar is not worth the risk. We found a troubling pattern of botched installations causing real damage to homes, and the company's response to problems is either slow or nonexistent. One homeowner watched their roof leak for years after installers worked until 2am trying to finish in the da

Avg Rating3.7/5
Reviews Analyzed28
Trust Score
60

Powur

BBB A+6+ YEARS

We found serious red flags about Powur's installation quality and accountability. One homeowner in Pennsylvania paid $4,150 out of pocket to fix roof damage after Powur's crew missed a roof beam seven times, filling the failed bolt holes with sealant and leaving the roof to leak for nine months. Ano

Avg Rating3.9/5
Reviews Analyzed917
Trust Score
59

Flash Roofing

4+ YEARS

Flash Roofing isn't worth the risk. We analyzed dozens of reviews and found a pattern of serious execution failures that should give you pause. One homeowner woke up to water pouring through their bedroom ceiling after Flash left their roof exposed for three days during a storm. Another paid for 1,0

Avg Rating3.1/5
Reviews Analyzed30
Trust Score
59

Preman Roofing

LICENSEDBBB A+15+ YEARS

Preman Roofing is a gamble you shouldn't take. We found a company that performs well when everything goes right but abandons customers when problems surface. One homeowner watched their lights smoke and melt together after Preman's solar work, a fire hazard their own electrician had to fix while the

Avg Rating3.7/5
Reviews Analyzed156
Trust Score
58

Valley Energy Solutions

BBB A+9+ YEARS

Valley Energy Solutions is not worth the risk. We found two companies masquerading as one: the responsive, detail-oriented installer several homeowners praised in 2018-2019, and the ghost operation that left recent customers stranded with broken systems and unanswered calls. One homeowner watched th

Avg Rating4.0/5
Reviews Analyzed27
Trust Score
58

LGCY Power

BBB A+11+ YEARS

LGCY Power is a gamble you don't want to take. One customer lost a home sale after waiting weeks for LGCY to repair a roof leak the installers caused, forcing a cross-country move with two mortgages. Another paid $62,000 and spent three years fighting to get a system that still doesn't produce the p

Avg Rating4.0/5
Reviews Analyzed4,192
Trust Score
58

LA Solar Group

LICENSEDBBB A+13+ YEARS

LA Solar Group has serious coordination and accountability problems that can leave you stranded mid-project. We found hundreds of complaints describing incomplete installations, unresponsive staff, and homeowners fighting for repairs on systems they've already paid for in full. One customer spent 13

Avg Rating4.0/5
Reviews Analyzed1,841
Trust Score
58

Borrego Solar Systems

BBB A+23+ YEARS

Borrego Solar Systems abandoned its residential customers. The company stopped servicing home installations years ago to focus on commercial projects, leaving homeowners with no monitoring, no warranty support, and no help when panels need to be removed for roof work. We found multiple accounts of i

Avg Rating3.7/5
Reviews Analyzed38
Trust Score
57

Countywide Mechanical Systems

LICENSEDBBB A+15+ YEARS

Countywide Mechanical poses serious financial and service risks. We analyzed nearly a hundred reviews and found a pattern of abandoned solar customers, billing disputes, and unresponsive management. One homeowner had their solar monitoring fail two years ago, called repeatedly for warranty support,

Avg Rating3.2/5
Reviews Analyzed72
Trust Score
54

McWire Electric

13+ YEARS

This company is effectively out of business, and you should avoid them entirely. We found 19 reviews describing a near-identical pattern: customers paid upfront, waited months with zero progress, then watched the company stop answering calls. One homeowner handed over $23,000 in September 2014 and a

Avg Rating2.8/5
Reviews Analyzed33
Trust Score
53

Ignite Power

BBB B-6+ YEARS

Ignite Power is not a safe bet. We analyzed dozens of reviews and found a troubling split: some customers got professional service from start to finish, but others were left with panels on the wrong side of the roof or cheaper equipment than they contracted for. One homeowner in San Diego discovered

Avg Rating4.2/5
Reviews Analyzed69
Trust Score
52

Energy Builders

BBB D-12+ YEARS

Energy Builders is a contractor to avoid. We analyzed dozens of reviews and found a company that struggles with basic project execution and customer service. One homeowner discovered only half their solar system was connected after months of questioning low output, and when they needed help with a c

Avg Rating3.3/5
Reviews Analyzed47
Trust Score
50

Performance Solar

BBB A+16+ YEARS

We found a company with a serious pattern of shoddy work that costs homeowners thousands to fix later. One reviewer discovered all 15 roof clamps had ripped out because the installer used quarter-inch bolts that couldn't handle normal San Diego wind, then got charged $300 for reinstallation with onl

Avg Rating3.3/5
Reviews Analyzed99
Trust Score
49

PetersenDean Roofing & Solar

BBB NR17+ YEARS

This company should not be on your list. We analyzed hundreds of reviews and found a pattern of catastrophic project failures and vanishing support once the contract is signed. One homeowner watched workers shoot nails through rotted decking that blew out the bottom of the eaves, then spent nine mon

Avg Rating3.2/5
Reviews Analyzed790
Trust Score
47

Quality Home Renovators

BBB A+13+ YEARS

Quality Home Renovators isn't worth the risk. We found dozens of reviews describing a familiar pattern: aggressive cold-calling, sky-high quotes, and work that falls apart within months. One homeowner paid $50,000 for solar panels that stopped working after two years, then watched the company refuse

Avg Rating3.2/5
Reviews Analyzed20
Trust Score
45

Unisun Solar

11+ YEARS

Unisun Solar is not worth the risk. We analyzed dozens of reviews and found a company with a broken process and a trail of abandoned customers. One homeowner waited seven months for a system that still wasn't working, during which the financing company forged a signature and placed a lien on the hou

Avg Rating3.0/5
Reviews Analyzed33
Trust Score
45

KOTA Energy Group

LICENSEDBBB D-8+ YEARS

KOTA Energy Group has a problem finishing what they start. Reviews describe systems installed in 2022 or 2023 that still aren't working right in 2024, with homeowners paying thousands to their utility while fielding excuses about fluctuating energy output. One Berkeley customer paid in full six mont

Avg Rating3.3/5
Reviews Analyzed691
Trust Score
44

Sol Solutions Today

BBB A+11+ YEARS

Sol Solutions Today isn't worth the risk. We found a pattern of deceptive sales tactics, beginning with dinner seminars that pressure attendees into same-day decisions on products they don't need. One reviewer with a PhD in sustainability from Yale reported being told her attic had mold (five roofin

Avg Rating3.6/5
Reviews Analyzed33
Trust Score
44

Freedom Forever

BBB C+8+ YEARS

We found a company with strong installation crews but crippling support failures that can leave you paying for a broken system. One couple spent two years calling for a battery replacement, paying $200 a month for equipment that produced nothing while their electricity bills climbed back to $200 eac

Avg Rating3.5/5
Reviews Analyzed10,395
Trust Score
44

Solar Alliance

BBB NR14+ YEARS

Solar Alliance isn't worth the risk. We analyzed dozens of reviews and found a troubling pattern: 23 customers described systems that underperformed, warranties ignored, and communication that disappeared after installation. One homeowner spent six months chasing a quote for additional panels becaus

Avg Rating3.3/5
Reviews Analyzed65
Trust Score
43

American Solar Direct

BBB NR14+ YEARS

American Solar Direct went out of business years ago. We found dozens of reviews from customers stranded with leased panels that stopped working, no one to call for service, and bills that kept coming. One homeowner reported paying lease fees for two years on a dead system with zero support. Another

Avg Rating2.9/5
Reviews Analyzed211
Trust Score
42

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