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Follow UsWhen the lights go out, your backup generator is your first line of defense—keeping your home powered, safe, and comfortable. But like any essential equipment, whole home generators require regular care to stay reliable. At Thompson Heating & Cooling, we provide expert whole home generator service in La Grange, KY, with a strong focus on Generac generator maintenance, inspection, and repair.
Whether your system is due for a tune-up or showing signs of wear, our technicians are trained to keep your generator running at peak performance—so it's ready when you need it most. We understand the demands of Kentucky weather, and we're here to help homeowners across the Greater Louisville area stay prepared for power outages all year long.
Contact UsYour whole home generator sits on standby for weeks or months at a time—but when it's needed, it must perform flawlessly. Without regular inspection and upkeep, small issues can compromise performance or prevent startup altogether during an outage.
Routine generator maintenance:
Whether your generator runs weekly self-tests or hasn't been touched since installation, now's the time to schedule expert service from a trusted local team.
We prioritize customer comfort, ensuring top-rated service with every job.
We handle 90% of repair calls the same day, ensuring your HVAC system stays operational.
With over 30 years of industry experience, our team delivers high-quality heating and cooling solutions.
As one of the most trusted names in backup power, Generac generators are known for durability and performance—but only when they're serviced correctly. At Thompson Heating & Cooling, our technicians are trained to inspect, test, and service a wide range of Generac residential standby systems.
We handle:
Even if we didn't install your generator, we can keep it running safely and reliably.
Don't wait for the next storm to find out your system isn't working. Contact us if you notice:
Generators are designed to run for decades—but only if they're properly maintained.
We offer comprehensive generator service packages for homeowners across La Grange and surrounding areas. Our standard generator tune-up service includes:
We also offer custom maintenance schedules based on your generator model, fuel type, and usage patterns.
For most residential systems—especially Generac models—we recommend a full tune-up once per year. Homes in rural areas or properties with frequent outages may need biannual service.
Our team can monitor service schedules for you with proactive reminders and convenient scheduling options.
Sometimes, it's more than just a tune-up. If your unit is failing to start, not producing power, or displaying system errors, we offer full-service repair and diagnostics.
We can quickly identify issues related to:
We stock common Generac parts and can usually repair your system in a single visit. If replacement is needed, we'll provide a clear quote and walk you through your options.
Contact UsOur team is experienced in servicing:
We check fuel delivery pressure, line integrity, regulator operation, and safe exhaust routing for all types—ensuring performance and safety.
When you choose Thompson Heating & Cooling, you're not dealing with a national chain—you're working with a local, family-owned team that understands the unique weather and power grid conditions in Kentucky.
We believe that preparedness starts with professional service, and we're proud to be the team homeowners turn to when reliability matters most.
Already part of our Comfort Club for HVAC? Add your generator to the plan for even more convenience. Generator service add-ons include:
It's the easiest way to ensure your entire home comfort system—including backup power—is covered year-round.
Comfort Club Membership |
Non-Members |
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|---|---|---|
| Mechanical system inspections | ||
| Performance system inspections | ||
| Safety systems inspections | ||
| Priority scheduling on all service | ||
| $250 off new system installation | ||
| 20% discount on repairs | ||
| No after hours service charges | ||
| Learn More | Join Our Comfort Club Today | |
Investing in your comfort has never been easier. Our affordable HVAC financing options are designed to fit your budget, enabling you to upgrade your heating and cooling systems without the stress of upfront costs. With flexible payment plans and competitive terms, you can immediately enjoy the benefits of modern, energy-efficient systems. Plus, take advantage of available rebates on high-efficiency HVAC systems to further reduce your investment. Contact our team today to learn more about our financing solutions and start enjoying year-round comfort.
Optimus offers smart, hassle-free HVAC financing with quick approvals and flexible payment options.
Apply OnlineA whole home generator is only as reliable as the care it receives. Don't wait for the next storm to find out your system isn't ready. Whether you need a routine tune-up or full diagnostics and repair, Thompson Heating & Cooling is your trusted provider for Generac generator service in La Grange, KY and beyond.
We make it easy to keep your backup power system dependable, efficient, and fully prepared—just like it should be.
Let's get started.
Contact Us 502-817-3105Most manufacturers, including Generac, recommend annual professional service to ensure safe, reliable operation. Homes in areas with frequent outages or rural properties with heavy use may benefit from biannual service.
A standard generator maintenance visit includes:
These steps ensure your generator will start on demand and run efficiently.
A yellow light often indicates scheduled maintenance is due or a minor warning such as low battery voltage or failed self-test. We can quickly diagnose and reset the warning after addressing the cause.
When it comes to heating, cooling, and indoor air quality, you need a team that prioritizes expertise, reliability, and customer satisfaction. Here’s why homeowners and businesses across La Grange, Louisville, and surrounding areas trust us:
As a locally owned and family-operated business, we're committed to serving La Grange and surrounding areas with personal, dependable service. We're proud members of the Oldham County Chamber of Commerce, reinforcing our local roots, and as an EGIA member, we offer access to HVAC financing and rebate programs that make comfort more affordable.
We offer affordable HVAC financing options to help you stay comfortable without stretching your budget. Plus, you can take advantage of valuable rebates on high-efficiency HVAC systems, making energy-saving upgrades easier and more cost-effective.
We complete 90% of repairs the same day, delivering fast, efficient HVAC service when it matters most. Our residential and commercial maintenance plans are designed to keep your heating and cooling system running smoothly all year long. With our Comfort Club Membership, homeowners enjoy exclusive perks like priority scheduling and ongoing support.
With over 22 years in business and 30 years of experience, we bring deep industry knowledge to every job. As a Ruud Pro Partner and Mitsubishi Diamond Dealer, we proudly offer industry-leading HVAC brands known for quality and efficiency. We're also certified Climate Master geothermal specialists, delivering energy-efficient heating and cooling solutions.
We provide residential generator service across:
Whether your generator is due for its first checkup or hasn't been serviced in years, we'll get it back in top shape—quickly and professionally.
Contact Us 502-817-3105
We prioritize customer comfort, ensuring top-rated service with every job.
We handle 90% of repair calls the same day, ensuring your HVAC system stays operational.
With over 30 years of industry experience, our team delivers high-quality heating and cooling solutions.
Common causes include:
Regular maintenance helps prevent all of these issues.
Yes. We service most major brands, but we specialize in Generac residential standby systems. Even if another contractor installed it, we can take over maintenance and repairs.
Yes. If your generator won't start or fails mid-outage, call us for priority repair service. We keep common parts in stock and can dispatch technicians quickly during local power events.
Yes. Generators need regular care to remain reliable—even if they rarely run. Batteries degrade, fuel systems gum up, and oil breaks down over time. Don't wait for an emergency to find out your system won't start.
We work on:
We do not service small portable generators at this time.
Absolutely! Our Comfort Club includes HVAC service and can be expanded to include annual generator tune-ups, priority repairs, and battery replacement tracking.
Most maintenance visits take 1–2 hours, depending on system size, condition, and access. We perform a full system inspection, make adjustments, and document everything.
Signs include:
We test your battery at each service and recommend replacement every 2–3 years.
You can clear debris and monitor your system visually, but we strongly recommend professional service for oil changes, electrical diagnostics, and testing. Improper maintenance can lead to voided warranties or unsafe operation.
Contact us if your system doesn't complete its scheduled test or shows an error. We'll diagnose the issue and restore your generator's reliability.
Yes. We assist with warranty-covered repairs, and we stock OEM Generac parts for faster turnaround on service calls.
We provide whole home generator maintenance and repair in:
We're your local resource for generator service you can trust—before, during, and after the next storm.
When the power goes out, your home shouldn't have to skip a beat. Whether you're preparing for storm season, protecting medical equipment, or just want peace of mind during grid outages, your generator is your lifeline—and it deserves expert care.
At Thompson Heating & Cooling, we deliver trusted, responsive generator service and maintenance for homeowners in La Grange, KY, and throughout the Greater Louisville area. With more than 30 years of experience, we've become the local go-to for Generac generator service, ensuring that your standby power system is always ready when you need it.
Our whole home generator services include:
If you're seeing error codes, hearing strange noises, or haven't had your system serviced in over a year, now is the time to schedule professional care. We work efficiently, communicate clearly, and treat your home with the respect and attention it deserves.
Contact Us 502-817-3105We proudly serve:
Whether you've just installed a new Generac system or your standby unit is more than a decade old, we'll help you maintain performance, extend lifespan, and stay fully prepared for the next outage.
Need help after hours? We're available with 24/7 emergency generator service, because your comfort and safety don't run on a 9–5 schedule.
Already part of our HVAC Comfort Club? Add your generator to your plan and receive the same priority service, routine care, and peace of mind—all from a single trusted provider.
Don't let a poorly maintained generator leave your home vulnerable. Call the team that's been making La Grange homes safer, stronger, and more reliable for decades.
Let's get started.
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