Logo of Search a Plumber
Hero background

Find the Best Water Heater Installation Companies for Your Business

No obligation • Fast responses • Nationwide coverage

Search providers near you

Top Water Heater Installation Companies in Lexington, Kentucky Ranked

A reliable hot water heater is essential for daily comfort in your Lexington home, from morning showers to evening dishwashing. When your unit fails or becomes inefficient, a professional installation or replacement ensures you regain consistent hot water while adhering to Kentucky's specific plumbing codes for safety and performance. This guide will help you understand your options, the local requirements, and the process for finding a qualified specialist to handle your water heater project.

Elite Performance Plumbing, Drain Cleaning, and Water Heaters

Elite Performance Plumbing, Drain Cleaning, and Water Heaters

1064 Center Dr, Richmond, KY 40475

Elite Performance Plumbing, Drain Cleaning, and Water Heaters offers comprehensive plumbing services in Lexington, KY. They specialize in water heater repair and installation, drain cleaning, water and sewer line excavation, and commercial plumbing. Their skilled technicians use advanced equipment to diagnose and resolve plumbing issues efficiently, helping maintain system performance and prevent future problems. The company is also known for supporting local community initiatives.

5.0
513 Reviews
GreenBox Home Services

GreenBox Home Services

1060 W High St STE 120, Lexington, KY 40508

GreenBox Home Services provides HVAC, plumbing, and electrical services in Louisville, KY. The company offers water heater repair and installation, drain cleaning, and sewer line repair, along with heating and air conditioning services. Their team is familiar with the needs of Central Kentucky residents and delivers same-day plumbing services to address urgent issues efficiently. GreenBox Home Services is available 24/7 for heating emergencies, ensuring support whenever needed.

4.9
1.3k Reviews
GRS Plumbing Heating and Air

GRS Plumbing Heating and Air

104 Forbes Ct, Richmond, KY 40475

GRS Plumbing Heating and Air is a plumbing service provider located in Lexington, KY. They offer a range of services including water heater repair and installation, water softener installation, sump pump repair, drain cleaning, leak detection, repiping, gas line installation, toilet repair, and garbage disposal repair. The company also handles water line and drain line repair and replacement, bathroom and kitchen plumbing issues, and installation of appliances like dishwashers and washing machines. One notable capability is their work with gas line installation, testing, and repair. They provide comprehensive plumbing solutions for residential needs in the Lexington area.

5.0
103 Reviews
Kentucky Plumbing (KYPD)

Kentucky Plumbing (KYPD)

101 Virginia Ln, Nicholasville, KY 40356

Kentucky Plumbing (KYPD) offers comprehensive plumbing services in Lexington, KY, specializing in water heater installation and repair, sewer line repair, and gas line installation. They serve both residential and new construction clients, providing licensed and insured professionals to handle a wide range of plumbing needs. KYPD is experienced in installing tankless water heaters and radiant heating systems, ensuring efficient and reliable solutions for Lexington homes. The company also provides 24/7 emergency plumbing services, emphasizing safety and quality workmanship. Their service area includes Lexington and surrounding towns such as Winchester, Versailles, and Nicholasville.

4.9
362 Reviews
Kentucky Plumbing (KYPD) of Lexington

Kentucky Plumbing (KYPD) of Lexington

2151 Christian Rd, Lexington, KY 40509

Kentucky Plumbing (KYPD) of Lexington offers a wide range of plumbing services in Lexington, KY, including water heater installation and repair, sewer line repair, and gas line installation. They serve both residential and new construction clients, providing licensed and insured professionals to handle projects of various sizes. KYPD specializes in tankless water heaters and radiant heating installation, ensuring energy-efficient solutions for homes. The company also provides 24/7 emergency plumbing services to address urgent needs promptly. With a commitment to quality workmanship and customer satisfaction, KYPD supports the Lexington community with comprehensive plumbing expertise and guarantees on their work.

5.0
78 Reviews
See more providers in Lexington, KY

Understanding Your Water Heater Options

Choosing the right type of unit is the first step in any water heater installation or replacement project. The three primary systems available to Lexington homeowners each have distinct advantages.

Storage Tank Water Heaters

The traditional storage tank model is the most common type found in homes. These units heat and store a reservoir of water (typically 40 to 80 gallons) in an insulated tank, ready for use. They are known for their reliability and lower upfront cost compared to other types 1. However, they can run out of hot water during high-demand periods and generally have a shorter lifespan of 8 to 12 years 1 2. For many households, a straightforward tank replacement is a cost-effective solution.

Tankless (On-Demand) Water Heaters

Tankless systems, also called on-demand water heaters, heat water directly as it flows through the unit, providing a continuous supply. This eliminates the standby energy loss associated with a storage tank and can lead to significant energy savings 3 4. They are compact, saving valuable floor space, and boast a longer lifespan, often exceeding 20 years 1 5. The primary consideration is the higher initial investment for both the unit and installation 1.

Hybrid (Heat Pump) Water Heaters

A hybrid water heater combines tank storage with heat pump technology. It uses electricity to move heat from the surrounding air into the water, making it highly energy-efficient-often two to three times more efficient than a standard electric model 1 5. This can dramatically reduce operating costs. While the purchase price is higher than a conventional tank, the long-term savings on energy bills can be substantial for the right household.

Local Codes and Safety Requirements in Kentucky

In Lexington, all water heater replacements must comply with the Kentucky Plumbing Code. Adherence isn't just about legality; it's critical for the safety of your home and family. A licensed plumber will handle these requirements, which include:

  • Permits: A permit is mandatory for all water heater replacements in Kentucky. Your plumbing professional will typically pull this permit through the local Division of Plumbing 6.
  • Expansion Tank: If your home's plumbing system has a check valve, pressure-reducing valve, or backflow preventer, an expansion tank is required to manage thermal expansion and protect your pipes 6.
  • Temperature & Pressure (T&P) Relief Valve: This essential safety device must be installed on the tank and piped down to within two inches of a floor drain to safely discharge hot water if pressure or temperature gets too high 6.
  • Shutoff Valve: A dedicated shutoff valve must be installed within three feet of the water heater for emergency isolation 6.
  • Dielectric Fittings: To prevent corrosive electrolysis, dielectric unions or fittings are required wherever copper piping connects to the steel fittings of the water heater 6.

Find the perfect water heater installation companies for your needs

Get personalized recommendations and expert advice

The Professional Installation Process

A proper hot water heater installation by a qualified technician follows a systematic approach to ensure efficiency, safety, and code compliance.

  1. Assessment and Selection: A professional will first assess your household's hot water needs, available space, fuel type (natural gas, propane, or electric), and local code requirements. They will help you select the appropriate unit size and type 3 7.
  2. Preparation and Removal: The technician will safely disconnect and drain the old unit, disposing of it according to local regulations. They will prepare the new installation site, ensuring it is level and meets clearance requirements 8 9.
  3. Installation and Connection: The new heater is positioned and secured. All water, gas (if applicable), and venting connections are made meticulously. The plumber will install all necessary safety components, including the T&P valve, expansion tank, and dielectric fittings 6 7.
  4. Testing and Inspection: Once connected, the system is filled, purged of air, and fired up. The technician will check for leaks, verify proper venting, and ensure the thermostat and safety controls are functioning correctly. Finally, they will coordinate the required municipal inspection 8 9.

Cost Considerations for Replacement

The total cost for a water heater replacement in Lexington varies significantly based on the type of unit, its capacity, fuel source, and the complexity of the installation. Here is a general cost range:

  • Standard Storage Tank: $1,000 - $2,500 1 10
  • Tankless (On-Demand): $2,500 - $5,500 1 11
  • Hybrid Heat Pump: $3,000 - $6,000 1 11

These estimates typically include the unit, labor, materials, and permit fees. Remember that switching fuel types (e.g., from electric to gas) or relocating the unit will add to the project cost. Obtaining multiple quotes from licensed local plumbers is the best way to get an accurate price for your specific situation.

Signs You Need a New Water Heater

How do you know it's time to consider a replacement? Watch for these common indicators:

  • Age: If your storage tank unit is over 10 years old, it's nearing the end of its expected service life and may soon fail 8 12.
  • Inconsistent Hot Water: Running out of hot water faster than usual or experiencing fluctuating temperatures are clear signs of a struggling unit 13.
  • Discolored Water or Sediment: Rusty water or a buildup of sediment in the tank reduces efficiency and can indicate internal corrosion 12.
  • Unusual Noises: Rumbling, popping, or banging sounds are often caused by sediment hardenings at the bottom of the tank, which insulates the water from the heat source 8.
  • Leaks or Moisture: Any pooling water around the base of the heater is a serious sign that the tank may be corroding through.
  • Rising Energy Bills: A gradual increase in your gas or electric bill can point to declining water heater efficiency 12.

Frequently asked questions

Sources

Footnotes

  1. 2026 Guide To Water Heaters - Apex Plumbing Solutions - https://apexplumbingky.com/2026-water-heaters-guide/ 2 3 4 5 6 7 8

  2. Expert Water Heater Replacement in Burlington, KY - Arronco - https://arronco.com/products-services/plumbing/water-heaters/replacement/

  3. Water Heater Services in Lexington, KY | Fayette Heating and ... - https://fayetteheating.com/plumbing/water-heaters/ 2

  4. Tankless Water Heaters Lexington - Fayette Plumbing & HVAC - https://fayetteplumbinghvac.com/tankless-water-heaters/

  5. A Homeowner's 2025 Guide to Water Heaters - https://www.enercare.ca/ontario/water/water-heating/buyers-guide-to-water-heaters 2

  6. Water Heater Replacement - https://dhbc.ky.gov/Documents/KHBC-WaterHeaterReplacement.pdf 2 3 4 5 6

  7. Reliable Hot Water Heater Installation in Lexington, KY - https://www.pro-fetick.com/hot-water-heater-installation-lexington-ky 2

  8. Water Heater Installation & Replacement Lexington KY - https://ky-pd.com/lexington-water-heaters/ 2 3 4

  9. The Advanced Guide to Water Heater Installation - Vaquero Plumbing - https://vaqueroplumbing.com/the-advanced-guide-to-water-heater-installation/ 2

  10. Cost to Replace a Water Heater - The Home Depot - https://www.homedepot.com/services/c/cost-install-water-heater/9058c024e

  11. How Much Does It Cost to Replace a 50-Gallon Water Heater in 2026? - https://www.searshomeservices.com/blog/how-much-does-it-cost-to-replace-a-50-gallon-water-heater 2

  12. Water Heater Installation in Dayton, OH | Summers PHC - https://summersphc.com/dayton/services/plumbing/water-heater-installation/ 2 3

  13. Tankless Water Heater Services in Lexington, KY - https://fayetteheating.com/plumbing/tankless-water-heaters/