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When Reliability Matters, One Call Does It All -Randazzo.
Delivering Peace of Mind while Keeping Michigan Families powered, Safe & Comfortable Since 1988.
Limited Time Offer!
Purchase A Whole Home Generator & Get Up to $1,500 in Savings + First Maintenance Free!
Plus, Select Generators Qualify For Up To A 10 Year Free Parts and Labor Warranty!
Schedule Your Free In-Home Estimate Today
37 Years Experience
Full-service generac dealer
Service 7 Days A Week | 8 to 8 No Late Rate
100% Satisfaction Guarantee
Electrifying news!
Randazzo Is Now A Full-Service
Generac Dealer!
Installation I Service I Maintenance
The Name You Know, now services, maintains, and installs two of the largest names in standby generators - Generac and Kohler!
Is Your Home Ready for a Power Outage? Don’t Let the Next Outage Catch You Off Guard
Even a temporary outage can be costly, cause stress, damage property, create safety issues, or all of the above. If you are an individual who relies on a consistent and constant supply of electricity for work, health, medical devices, or basic sanity, a whole-home standby generator could be the best investment you make this year. Give us a call today.
A Simple Process That Puts Your Home First
Schedule Your Free In-Home Assessment
Call or book online. We’ll assess your home and recommend the right generator.
Get Clear, Honest Recommendations
Our licensed tech explains your options with zero pressure and full transparency.
Long-Term Support When You Need It
We’re here long after installation with maintenance plans and reliable service if any issues ever arise.
Professional Installation, Start to Finish
We handle permits, install your system in one day, and make sure everything runs perfectly.
Why Thousands of Michigan Homeowners Choose Us
Full-Service Generac & Kohler Dealer
Top-tier status. Trusted by leading generator manufacturers.
Licensed & Insured Experts
Our team is is professionally trained, licensed, and insured.
100% Satisfaction Guarantee
If you’re not happy, we’re not done. It’s that simple.
One-Day Installs
Fast, clean installs. Most jobs done in a single day.
No Subcontractors
Only our team does the work. No third-party crews.
Instant Rebates
We apply eligible rebates before we leave your home.
One Installation. Years of Total Home Protection.
Fully Automatic Backup
No setup or refueling, powers your entire home automatically.
Protects What Matters
Prevents food spoilage, system damage, and security downtime.
Adds Value & Reduces Risk
Adds long-term value and can lower your insurance premiums.
Always-On Comfort
Keep lights, heat, AC, and appliances running without interruption.
Smart, Efficient Operation
Runs on natural gas and uses energy wisely to save on costs.
Total Peace of Mind
Sleep better knowing your home is protected during any outage.
Not only can whole home standby generators decrease Insurance rates because they reduce the risk of damage and other issues, they also ensure:
Stay Powered. Stay Protected.
Call us today to book your free estimate and get backup power you can actually rely on.
Join The Over 12,000 + Happy Homeowners Served Since January 1st, 2026
Randazzo Heating and Cooling did a great job installing my Kohler generator! Everything was easy from the quote to the installment. Very well organized, I'm a happy man.
A
Anthony F.
4 weeks ago
Randazzo is our go-to HVAC company. Installed our furnace and air conditioner some years ago and recently installed our Kohler generator. Very pleased.
G
Gerushka V.
3 weeks ago
Customer friendly company. We have used Randazzo for many years for our furnace, AC, and generator needs and they have always provided friendly, and knowledgeable service.
J
Jerry S.
6 months ago
Installed home generator. Mike and crew did an incredible job installing my whole house generator. All were professional and their workmanship was outstanding. Very, very pleased.
W
William E.
3 weeks ago
35 Years Experience
Premier Lennox Dealer
Emergency Services Available
100% Satisfaction Guarantee
Why Thousands of Michigan Homeowners Choose Us
Premier Lennox Dealer
Top-tier status. Trusted by leading HVAC manufacturers.
Licensed & Insured Experts
Our team is is professionally trained, licensed, and insured.
100% Satisfaction Guarantee
If you’re not happy, we’re not done. It’s that simple.
One-Day Installs
Fast, clean installs. Most jobs done in a single day.
No Subcontractors
Only our team does the work. No third-party crews.
Instant Rebates
We apply eligible rebates before we leave your home.
Services
Our Company
Office Location
51327 Quadrate Dr Macomb, MI 48042
Hours
Monday - Sunday - Open 24 Hours
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If any of these scenarios apply to you, a whole-home generator should be on your list of things to consider:
Frequent power outages throughout the year
Risk of food spoilage, heating loss, or frozen pipes
Work from home or rely on Wi-Fi connection
Reliance on medical devices or sensitive health concerns
Critical systems like sump pumps or well water
The need to Keep security systems and lighting on
Want to power the entire home, not just a few essentials
What’s the Difference Between a Portable and Whole-Home Generator?
Most Randazzo customers choose whole-home protection, and for good reason.
Startup
Manual setup with cords and fuel
Coverage
Powers a few items, not your whole home
Usage
Fridge, a few lights, maybe a heater
Peace of Mind
Temporary backup, requires supervision
Long-Term Value
Limited resale value and solution
Safety
Improper use can cause physical harm or carbon monoxide poisoning
Portable Generator
Startup
Automatic when power goes out
Coverage
Powers your entire home without limits
Usage
HVAC, sump pumps, Wi-Fi, everything
Full-home protection during any outage
Peace of Mind
Long-Term Value
Boosts home value and long-term comfort
Safety
Exceptionally safe due to their permanent installation, and automated operation
Whole Home Generator
Want to know which option fits your home?
Call 586-336-1111 for a free in-home assessment.
What’s the Difference Between a Portable and Whole-Home Generator?
Most Randazzo customers choose whole-home protection, and for good reason.
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Full-service Kohler Titanium Dealer