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Follow UsRunning out of hot water is never fun—especially in a busy household. If your water heater is struggling to keep up, or you're building a new home and want the best in energy-efficient comfort, it's time to consider a tankless water heater from Thompson Heating & Cooling.
We specialize in tankless water heater installation and replacement services in La Grange, KY and surrounding areas, offering top-tier systems from Navien and Stiebel Eltron. Whether you're replacing an old storage tank or upgrading to continuous hot water, our team ensures a flawless install that delivers long-term savings and comfort.
Contact UsAlso called on-demand water heaters, tankless systems heat water only when you need it—eliminating the need for a bulky storage tank. The result? Endless hot water, lower energy usage, and more space in your utility area.
Because the water is heated on demand, you'll never run out—no matter how many back-to-back showers your family takes.
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.
Homeowners across Kentucky are making the switch to tankless for good reason. Here's why:
Whether you're focused on performance, savings, or sustainability, tankless systems offer it all.
We trust only the best for our customers. That's why we install Navien and Stiebel Eltron tankless water heaters, known for industry-leading efficiency and reliability.
Not sure which one's right for your home? Our team will walk you through sizing, fuel type, and placement to ensure you get the perfect system.
Installing a tankless water heater isn't a DIY job—it requires gas line work, venting, plumbing, and often electrical adjustments. Our professional installation process ensures your system is safe, efficient, and code-compliant from day one.
We also handle permits, inspections, and warranty registration, so you can enjoy hot water with confidence.
If you're still using a traditional tank, it may be costing you more than you realize. Here are signs it's time to upgrade:
A tankless system eliminates many of these issues while providing better efficiency and performance.
Tankless isn't one-size-fits-all. Our experts will assess your home's layout, plumbing, hot water usage, and energy goals to determine if a tankless system is the right choice.
Tankless systems are ideal for:
Not ready for whole-home tankless? We also offer point-of-use options for bathrooms, kitchens, or detached structures.
Tired of running out of hot water? Want to reduce your energy bills without sacrificing comfort? Trust Thompson Heating & Cooling for expert tankless water heater installation and replacement in La Grange, KY.
With decades of experience and proven solutions from Navien and Stiebel Eltron, we'll help you enjoy the endless hot water and long-term peace of mind that only a professional tankless system can provide.
Let's get started.
Contact Us 502-817-3105Upgrading to a tankless water heater is a smart investment—and we make it more affordable with flexible financing through EGIA. Enjoy:
Ask us about local rebates or utility incentives that can help offset your upgrade.
Like any appliance, tankless water heaters benefit from routine care. We offer annual maintenance services that include:
This service keeps your unit efficient, extends its lifespan, and helps maintain manufacturer warranty coverage.
Want worry-free maintenance? Our Comfort Club Plan makes it easy.
Combine your water heater service with your HVAC plan for complete whole-home coverage.
You'll receive:
Comfort Club Membership |
Non-Members |
|
|---|---|---|
| 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.
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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 proudly provide tankless installation and replacement services throughout:
No matter where you're located in the Greater Louisville region, we'll bring you high-performance, professionally installed hot water solutions.
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.
A tankless water heater, also known as an on-demand water heater, heats water only when you need it—eliminating the need for a bulky storage tank. This provides endless hot water, better energy efficiency, and a smaller footprint in your home.
Unlike traditional tank-style heaters that store hot water, tankless units heat water on demand. This means:
Yes. While the upfront cost is higher, tankless systems offer:
Over time, most homeowners recoup their investment through energy savings and durability.
We install and recommend:
We help you choose the best system for your home, budget, and hot water demands.
Most tankless water heater installations in La Grange take 4–8 hours, depending on:
We'll provide a full timeline during your consultation.
That depends on your household size and simultaneous hot water needs (showers, laundry, dishwasher, etc.). We'll calculate your home's gallon-per-minute (GPM) demand and recommend the right size for consistent performance.
Yes—if properly sized. Larger tankless units or dual units can supply enough hot water for multiple fixtures running simultaneously. We'll match your system to your home's usage.
Absolutely. High-quality units like Navien and Stiebel Eltron are built to handle cold incoming water. Proper installation and maintenance ensure strong performance year-round in La Grange's climate.
Yes. We recommend annual maintenance, which includes:
Routine service keeps your system efficient and extends its life.
Yes. We frequently replace tank units with tankless systems. Some upgrades to your plumbing, gas lines, or electrical service may be needed, but we'll handle everything—including permits and inspections.
Yes. We offer flexible financing through EGIA to help make your tankless upgrade affordable. Ask about current rebates and incentives available in the La Grange and Louisville area.
Tankless units only use energy while heating water, making them more efficient overall. Gas units may require slightly larger gas lines, while electric units may need upgraded breakers—both of which we handle during installation.
With proper maintenance, tankless water heaters last 20+ years, nearly double the lifespan of a traditional tank system. Routine flushing and descaling protect internal components and maintain performance.
Yes. When installed by licensed professionals like Thompson Heating & Cooling, tankless water heaters are very safe. Units include temperature controls, pressure relief valves, and combustion safeguards.
If your current water heater can't keep up—or you're simply ready to stop wasting energy on standby heating—it's time to make the switch to a smarter, more efficient solution. At Thompson Heating & Cooling, we help homeowners across La Grange and the Greater Louisville area upgrade to Navien and Stiebel Eltron tankless water heaters that deliver endless hot water, lower utility bills, and lasting performance.
With over 30 years of professional HVAC and plumbing experience, we've earned the trust of families who want reliable comfort and honest service. Whether you're replacing an old tank or starting fresh in a new build, we walk you through every step—from product selection and system sizing to expert installation, testing, and long-term care.
We proudly install and replace tankless water heaters in:
We also serve:
Not only do we ensure a smooth, code-compliant installation—we also help you save money through:
And once your system is in, we make it easy to keep it running strong with our Comfort Club Maintenance Plan, which includes:
We believe that no one should run out of hot water—or overpay for it. Our tankless systems give you the freedom to shower, cook, clean, and live without compromise.
If you're ready to ditch your outdated tank and enjoy the convenience of on-demand hot water, trust the local team that La Grange homeowners call first for tankless expertise and dependable service.
Let's get started.
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