Rocky Mountain Generator Supply Co
Denver-based Cummins generator and transfer switch supplier with installation support
Specializing heavily in Cummins and Onan power equipment, Rocky Mountain Generator Supply Co supplies standby units, parts, and transfer switches out of Denver, CO. While much of their business centers on equipment sales and sourcing hard-to-find components, customer records show they also coordinate with local electrical contractors to facilitate complete installations. Buyer accounts frequently highlight fast order processing, direct phone support from knowledgeable staff, and help navigating full setup logistics.
Across 22 generator-focused reviews, customers highlight fast delivery for Cummins models, deep technical guidance on parts, and helpful referrals to local electrical installers.
Website signal
Their website has a dedicated standby generator page. That is the strongest signal we track.
Contact
- 1225 S Huron St, Denver, CO 80223
Themes in reviews
Tags come from scraped Google reviews, preferring generator-related reviews when available. Not an endorsement.
- Would recommend
- Good communication
- Cummins mentioned
- Professional crew
- On-schedule / reliable
- Quality workmanship
- Kohler mentioned
- Transfer switch
- Transparent pricing
Generator review excerpts
Short excerpts that mention generators, standby equipment, or related brands. Confirm details directly with the shop.
“I recently purchased a new Onan Cummins 7000i DF generator for our fifth wheel from Rocky Mountain Generator Supply, and the entire experience was outstanding. After extensive research and price comparisons, I found that their pricing simply could not be beat—especially considering shipping was included. What truly…”
“Needed a generator in Pine after my very outdated Kohler failed. Wanted Cummins...because they are the best. RMGS came up as a preferred dealer and I was put in contact with Willie C. when I called. He walked me through the process and put me in touch with installer, Roland T. of Central Electric. Generator arrived…”
“Rocky Mountain Generator Supply, first of all customer service is number 1#. Left a voicemail and got a call back within 40 mins. Willy Colby helped me out with top notch service. Everyone other generator stores and website don’t have or don’t know when they can get maintance parts or accessories for my Onan P4500I…”
Nearby in Colorado
Other researched installers nearby, still not endorsements.
Absolute Plumbing, Electrical, Heating & Air
1 gen reviewDenver residents looking into standby power will find a dedicated generator page on Absolute Plumbing, Electrical, Heating & Air's website. The company highlights Generac systems and features electrical installation services alongside its broader HVAC and plumbing offerings. While they publish nearly 40 generator mentions across their site, specific customer feedback focusing strictly on generator installations remains sparse among their public reviews.
Blue Sky Plumbing, Heating, Cooling & Electric
Blue Sky Plumbing, Heating, Cooling & Electric maintains a dedicated generator installation page on its website, listing 17 generator references across six pages. Based in Denver, CO, this contractor covers electrical, heating, and plumbing services. Because none of their 850 Google reviews explicitly discuss generator setups, prospective buyers should request recent project references directly.
Red Fox Electric Inc
1 gen reviewDenver homeowners looking into backup power will find a dedicated generator page on the Red Fox Electric Inc website. Across six pages, the company mentions generator installation services 13 times. Because public review history centers heavily on general electrical repairs and post-outage troubleshooting rather than standby unit installs, prospective clients should verify specific generator brand experience with the team.
Veteran Heating, Cooling, Plumbing & Electric
1 gen reviewAcross six pages on their website, Veteran Heating, Cooling, Plumbing & Electric details whole-house backup power options, including a dedicated page for Greenwood Village. Their site documents transfer switches and whole-home setups across 22 generator mentions. While most of their 388 reviews cover general HVAC and plumbing work, their services explicitly include standby generator evaluations.
Salzano Services
2 gen reviewsEmergency generator installation is prominently featured on the Salzano Services website, which includes a dedicated page for residential backup power setups. Based in Denver, Colorado, their electrical technicians handle wiring and power integration, including connecting backup generators to existing circuits and well pumps. Customer feedback points to prompt communication during Generac installations ahead of winter weather.
Absolute Plumbing, Electrical, Heating & Air
Absolute Plumbing, Electrical, Heating & Air serves Denver with full trade services and explicitly advertises standby generator work. Their website includes a dedicated electrical generator section with repeated references to Generac systems. Although the business holds a 4.9 average across 265 Google reviews, none of those public feedback entries specifically mention generator projects.
Common questions
- Does Rocky Mountain Generator Supply Co install standby generators?
- Yes, though their primary focus is equipment and transfer switch sales centered on Cummins systems. Website data and review reports confirm that they facilitate installation projects, often putting buyers in touch with licensed electrical contractors to perform the field labor. Customers should clarify with RMGS whether turnkey installation or equipment supply only best fits their project.
- Is Rocky Mountain Generator Supply Co recommended?
- No. This page is researched website signal, not an endorsement. Confirm licensing, insurance, references, load calc, fuel work, permits, and warranty path yourself.
- What does the website-signal label mean?
- Their website has a dedicated standby generator page. That is the strongest signal we track.
- How do I request a correction?
- Use the For Installers page and include the correct URL that shows your standby generator work.
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