Skip to content
Solar Installer GuildUnited States · independent

1Solar — Colorado

Solar energy system service · Centennial, CO

What the listing shows you

3.5★

160 Google reviews

What it doesn’t

34%

rated 1–2★

typical in Colorado, 3%

Newest review held

Jun 2026

newest held review 2 months old

Google's rating breakdown · all 160 reviews

Rated 1–2★
34%
typical in Colorado, 3%
Posted an update
—
we saw no owner post, which is not the same as none existing
Replies to reviewers
0%
of the 5 reviews we hold

Its one and two star share is 31 points above the typical installer in Colorado. Across Colorado, 14 of the 216 installers whose breakdown Google has published carry a higher share than this one.

The percentages are Google’s own arithmetic over every review it holds, not a sample we assembled. Separately we hold 5 review texts for this company, quoted below. Google publishes review ages rather than dates, so every date here is approximate.

Every company we hold in Colorado, on one axis

none

1–5%

6–10%

11–20%

over 20%

Every company we hold in Colorado whose Google breakdown has been read, grouped by their share of one and two star reviews. 1Solar — Colorado is in the highlighted group.

What reviewers said

  • 1★ · around April 2026

    Absolute scam! Salesman “manager” Ty promised a far larger system than what was actually installed. The system installed is so inadequate, we are now paying double the energy cost that we were without solar. Ty also promised if we continued to get larger bills from Xcel, they would come and add panels to correct the issue. We have spent 3 months being kicked around between one solar and the company they sell the contract to and no one will even call us back. We have been promised 5 times that a tech would come out to make sure everything was working as it should and that has not happened. Scam

  • 1★ · around April 2026

    The worst company I've ever worked with. I'm providing a detailed report to show the lack of care, communication, and quality this company provides. *TLDR: A job that was supposed to take a couple weeks took 5 months to complete due to 1Solar's negligence. The whole process felt like a scam. 1Solar did not follow through with scheduling, didn't stick to timelines, didn't communicate, and ultimately did not make things right at the completion of the job. Once they take your money, they don't seem to care how the rest of the process goes. Sept 3, 2025: $4575 paid for solar panel removal and rein

  • 1★ · around March 2026

    This company is awful - avoid at all costs. We have had our panels for about 4-5 years. For the past year, they have not been producing and it's been hell trying to get a tech to come fix them. We never hear from them to schedule, they randomly send a text that they are coming by and then they don't show up. I have been paying for both the panels and now an electric bill monthly. AVOID THEM!

  • 4★ · around June 2026

    Install went well. It was a long wait (5 months) but my expectations were managed. Everything worked well. Service has been mixed. One of my micro inverters failed. I received the failed part through warranty. It was a long wait (8 weeks) with limited insight into scheduling. I get that they are busy, but managing expectations would be super helpful. The communication was not the best. Now the good, the tech that came out to help was super knowledgeable and helpful. He fixed my issue and offered advice. Bottom line: I am satisfied with the service. The wait times can be long, and the communica

Reviewer names are not published here. Negative reviews are shown first because they are the ones a listing hides, not because they are more representative.

What reviewers keep mentioning

  • installation time 7
  • knowledgeable salesman 6
  • kind staff 5
  • problem resolution 4
  • responsive staff 4
  • solar system performance 4
  • simple process 3
  • no pressure 2
  • professional installers 2
  • permit process 2

Topics Google derives from the review text, with how often each appears. A frequent topic is not a good one: “price” turns up in praise and in complaints alike.

What the company says about itself

Taken from its own website. We have not checked any of it, and a sentence on a website is not evidence.

  • Years in business

    “We’ve been in business for just over 10 years now, which is considered a…”

Its website also mentions licensed, but not in a sentence we can quote cleanly.

Elsewhere

  • It posts on YouTube, LinkedIn and Facebook. A page that stopped posting years ago tells you something a listing will not.

When they say they are open

Sunday
Closed
Monday
9 AM to 5 PM
Tuesday
9 AM to 5 PM
Wednesday
9 AM to 5 PM
Thursday
9 AM to 5 PM
Friday
9 AM to 5 PM
Saturday
Closed

As Google published them when we last read the listing, not a live check. Ring before you drive anywhere.

Other installers around Greenwood Village

1–2★3★4★5★gauge 0–20%typical here, 3%

Ordered by how much we can tell you about each, which is not an order of quality. We do not know which of these is better and would not say if we did.

What we don't know

  • The date above is the newest review we hold, which is not necessarily the newest that exists — we hold a large share of Google's reviews, not all of them.
  • We do not verify licences, insurance or bonding. Nothing here has been checked against a state licensing board.
  • We cannot tell you what an installation costs, and we hold nothing about the equipment they fit.

Something wrong here? Tell us and a person will read it.

Do you run 1Solar — Colorado?

Claim this listing to become its verified contact: correct your own phone number, hours and description, and hear first if anything here changes. Free, reviewed by a person — and it changes nothing about the numbers.

Claim this listing