Heinanen Engineering, Inc.
Generac standby generator installations and full mechanical services in South Lyon
Heinanen Engineering operates out of South Lyon with dedicated website pages marketing Generac standby generator setups alongside their broader mechanical services. Their online documentation explicitly mentions transfer switches and standby units across multiple site pages. Customer feedback indicates they handle full whole-house generator installs, often coordinating the work alongside partner electricians.
Across five generator-specific reviews, homeowners report punctual crews who complete whole-house installations on schedule, though one client noted a disagreement over a service fee during a fuel conversion issue.
Website signal
Their website has a dedicated standby generator page. That is the strongest signal we track.
Contact
- 350 S Lafayette St, South Lyon, MI 48178
Themes in reviews
Tags come from scraped Google reviews, preferring generator-related reviews when available. Not an endorsement.
- Professional crew
- Would recommend
- Whole-house / standby install
- Quality workmanship
- Permitting / inspections
- On-schedule / reliable
Generator review excerpts
Short excerpts that mention generators, standby equipment, or related brands. Confirm details directly with the shop.
“Years after the installation of my heat pump, Heinanen Engineering is still a must call if you need anything functional done to your home, i.e., HVAC, Water Heaters, Water Softeners, Generators, etc. It's not just the professionalism, it's all the confident advice that they provide. You never wonder "what about"…”
“I can’t say enough about Heinanen Engineering. Knowledgeable, professional, & thorough! I have a 5-year old Trane system, installed & serviced by another contractor. After 5 years of struggling with low humidity during winter, even with a standard whole-house humidifier, I contacted two local HVAC service…”
“Couldn’t be more pleased with this company. Had a whole house generator installed. All of the employees, who worked on my installation, including Jeff who sold me the product, were extremely knowledgeable and professional. Showed up on time and worked full days to get the job done timely. Would highly recommend them.”
Nearby in Michigan
Other researched installers nearby, still not endorsements.
Vredevoogd Heating & Cooling
Homeowners in Grandville can find generator installation services listed on Vredevoogd Heating & Cooling's website under their electrical division. The company maintains a dedicated web section for residential generator options alongside their HVAC and plumbing services. Because their high-volume online feedback focuses almost entirely on heating and cooling, buyers should ask for recent standby generator installation references.
Randazzo Heating & Cooling
1 gen reviewDedicated electrical pages on Randazzo Heating & Cooling's website highlight whole-house generator installations, featuring both Kohler and Generac units. Based in Macomb, Michigan, their online documentation includes explicit standby power options and transfer switch integration. A customer review details a completed Kohler standby generator project finished on schedule by their crew.
Cregger Plumbing, Heating, Cooling & Electrical
Cregger Plumbing, Heating, Cooling & Electrical operates out of Ferndale, Michigan, offering full trade services alongside generator installations. Their company website features a specific section located at /electrical/generators detailing installation options. While the business maintains a large volume of general trade reviews, public evidence of past generator projects rests primarily on their site claims.
Hoover Electric Plumbing Heating Cooling
Troy-based Hoover Electric Plumbing Heating Cooling maintains a dedicated electrical section on their website for backup power and generator installation. Their online documentation specifically highlights generator installations and transfer switch setups. While they hold thousands of general service reviews across trades, buyers evaluating them specifically for standby generators should ask to see recent generator project references.
FLAME Heating, Cooling, Plumbing, Electrical
1 gen reviewHomeowners seeking backup power in Warren can find standby generator options through the electrical division at FLAME Heating, Cooling, Plumbing, Electrical. The company maintains a dedicated generator section on its website covering whole-house and standby units. While FLAME holds thousands of customer reviews across its broader trade offerings, documented generator feedback is limited, so buyers should request specific standby power project details directly.
Great Dane Heating, Cooling, Electrical, & Plumbing
Great Dane Heating, Cooling, Electrical, & Plumbing maintains a dedicated standby generator section on their website, explicitly offering Generac home backup solutions around Clinton Township, Michigan. Their site details multiple install mentions alongside transfer switch integration as part of their electrical department. Homeowners should note that while overall review volume for general trade work is large, specific customer feedback for standby generator jobs was not present in our filtered dataset.
Common questions
- Does Heinanen Engineering, Inc. install standby generators?
- Yes, Heinanen Engineering maintains a dedicated generator page on their website outlining standby generator services. Their public material focuses primarily on Generac brand systems and automatic transfer switches. Homeowners interested in non-Generac equipment should confirm supported brands directly before scheduling.
- Is Heinanen Engineering, 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 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.
Claim or correct this listing · Questions to ask before you call