Rettberg's Inc.
Divernon electrical contractor handling Generac standby installations and local maintenance service
Based in Divernon, Rettberg's Inc. handles electrical and mechanical work, with direct customer feedback pointing to Generac standby generator setups and service. While their official website carries limited detail regarding backup power options, local homeowner reviews document multiple whole-house Generac sales, emergency generator repairs, and full equipment installs.
Across four generator-focused reviews, clients mention successful Generac installations and prompt emergency repairs, though one customer noted administrative scheduling friction for routine maintenance.
Website signal
Their website mentions generator work at least once. Use this as a starting point, then confirm scope directly.
Contact
- 165 W Dodds St, Divernon, IL 62530
Themes in reviews
Tags come from scraped Google reviews, preferring generator-related reviews when available. Not an endorsement.
- Outage / emergency help
- Would recommend
- Maintenance / service
- Professional crew
- Generac mentioned
- On-schedule / reliable
- Warranty / post-install support
Generator review excerpts
Short excerpts that mention generators, standby equipment, or related brands. Confirm details directly with the shop.
“4/19/2025: A transformer blew near our house, knocking out the electricity in a large part of our neighborhood. Within a few minutes, our Generac started up and restored our power. It worked perfectly confirming that it is a worthwhile investment. We've bought two Generac generators from Rettberg's, one for our…”
“These guys are unbelievable!! I couldn’t say enough about the crew and Mark for sure!! Came after hours after storm wiped out 2 month old ac they installed and spent 3 hrs in high heat getting it to run temporarily!! They installed new ac, new generac, new furnace and new wtr htr!! Awesome quality and thanks Mark!!!”
“Fixed our generator. Very nice and professional. Very happy. I will be calling them again.”
Nearby in Illinois
Other researched installers nearby, still not endorsements.
Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric
3 gen reviewsFour Seasons maintains a dedicated electrical section on their website covering whole-house backup generators, featuring both Kohler and Generac equipment. Their site records dozens of mentions for standby generator installations and automatic transfer switch work across the Chicago area. While the company operates broadly across HVAC and plumbing, their electrical team actively markets residential backup power setups.
Morrison Plumbing, Heating, Air, & Electrical Services
Dedicated website pages confirm that Collinsville-based Morrison Plumbing, Heating, Air, & Electrical Services offers home generator installation. Their electrical division highlights generator setup alongside general trade work, supported by 13 site mentions across six pages. However, because their thousands of public customer reviews focus primarily on standard HVAC and plumbing jobs, buyers should ask about recent generator projects directly.
Precision Today Plumbing Heating Cooling Electrical
Homeowners in Carol Stream looking at Generac options will find dedicated generator pages on Precision Today Plumbing Heating Cooling Electrical's website. The multi-service company highlights generator repairs and services within its electrical division, citing the Generac brand multiple times. Because their substantial Google review history centers mostly on standard plumbing and HVAC calls rather than standby generator setups, homeowners should explicitly ask about their recent generator installation work.
Tiger Plumbing, Heating, Air Conditioning, & Electrical Services
Homeowners in Collinsville looking into backup power options will find explicit generator services listed on the website for Tiger Plumbing, Heating, Air Conditioning, & Electrical Services. The company maintains a dedicated service page for home generator installation and repair, specifically citing whole-house systems. While they hold thousands of general customer reviews, none in our filtered dataset specifically cover generator work, making it worth asking them directly for recent standby power references.
Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric
1 gen reviewBridgeview home services contractor Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric maintains a dedicated electrical section outlining whole-house generator services. Their site references 36 generator mentions across multiple pages, highlighting Kohler, Generac, and Briggs & Stratton standby units along with transfer switch integration. While the company holds over 4,000 general Google reviews across trades, generator-specific feedback is limited to annual routine maintenance visits.
Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric
1 gen reviewCrestwood-based Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric maintains a dedicated electrical section on its website specifically focused on standby generators. Their site documentation highlights whole-house installations using Kohler, Generac, and Briggs & Stratton equipment alongside transfer switch setups. While the business spans multiple trades, their published material explicitly details home generator installation services.
Common questions
- Does Rettberg's Inc. install standby generators?
- Rettberg's Inc. appears to install and service backup generators, specifically Generac models. While their website features minimal generator content, local customer reviews confirm recent Generac standby installations and repair work. Homeowners should call their office directly to discuss currently offered brands and installation timelines.
- Is Rettberg's Inc. 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 mentions generator work at least once. Use this as a starting point, then confirm scope directly.
- How do I request a correction?
- Use the For Installers page and include the correct URL that shows your standby generator work.
Claim or correct this listing · Questions to ask before you call