Top 10 Water Heater Repair in Louisville, KY
The best water heater repair companies in Louisville, KY for 2026 include ASI Plumbing (4.9), Dauenhauer Plumbing Heating Air & Electric (4.8), Tom Drexler Plumbing, Air & Electric (4.8). All service tank and tankless water heaters, offering same-day repair, installation, and replacement.
Dauenhauer Plumbing Heating Air & Electric
Jarboe's Heating, Cooling & Plumbing
ASI Plumbing
Tom Drexler Plumbing, Air & Electric
Absolute Services
Peterman Brothers Heating Cooling Plumbing
Maeser Master Services
Bryant Heating, Cooling, Plumbing, & Electric
Allgeier Air
Sal's Heating & Cooling, Plumbing & Sewer
How We Ranked These Louisville Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the Louisville market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
How much does water heater repair cost in Louisville, KY?
Water heater repair in Louisville typically costs $150-$500 depending on the issue. Thermostat replacement runs $150-$250, heating element repair $200-$350, and full replacement costs $900-$3,000 including installation.
Should I repair or replace my water heater?
If your water heater is over 10 years old and needs a repair costing more than $500, replacement is usually the better investment. Most Louisville plumbers can advise based on your unit age and condition.
How long does water heater installation take?
A standard tank water heater replacement takes 2-4 hours. Tankless installation may take 4-8 hours due to additional venting and gas or electrical work. Most Louisville companies offer same-day installation.