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Top Water Heater Installation Companies in Janesville, Wisconsin Ranked
A reliable hot water supply is essential for any Janesville home, especially during our cold Wisconsin winters. When your water heater fails or becomes inefficient, a timely installation or replacement is a critical home maintenance project. This guide will help you understand your options for water heater services, from choosing the right type and model to navigating the professional installation process, so you can find the right local expertise for the job.

Dave Jones - Plumbing, HVAC, Fire Protection, Electrical
2225 Kilgust Rd, Monona, WI 53713
Dave Jones - Plumbing, HVAC, Fire Protection, Electrical offers a wide range of services in Madison, WI, including water heater repair and installation, water softener installation, sump pump repair, drain cleaning, sewer line repair, leak detection, gas line installation, toilet repair, and garbage disposal repair. The company has been serving the Madison and Dane County area since 1977, providing plumbing, HVAC, fire protection, and electrical services for both residential and commercial clients. Their team is equipped to handle various installations and repairs, with a focus on quality craftsmanship and customer satisfaction.

Jensen Plumbing, Heating & Air, Inc.
204 W Lake St, Lake Mills, WI 53551
Jensen Plumbing, Heating & Air, Inc. offers plumbing, heating, and cooling services in Madison, WI, with a focus on water heater repair and installation. Serving Jefferson County and nearby areas, the company provides residential and commercial solutions, including 24-hour emergency service. With over 25 years of experience, Jensen Plumbing delivers professional service backed by certified and licensed technicians.

All Comfort Services
5245 Voges Rd, Madison, WI 53718
All Comfort Services is a Madison, WI-based company providing comprehensive home services including plumbing, HVAC, and electrical work. With over 50 years of experience serving the Madison area, they offer water heater repair and installation, tankless water heater services, water softener installation, drain cleaning, and repairs for toilets and garbage disposals. Their skilled technicians handle both residential and commercial needs, ensuring reliable plumbing solutions. The company is employee-owned and emphasizes well-trained staff and customer satisfaction, backing their work with a 100% satisfaction guarantee. They also offer 24/7 emergency HVAC and plumbing services.

Right Choice Rooter & Plumbing Service
W8731 Danielson Rd, Fort Atkinson, WI 53538
Right Choice Rooter & Plumbing Service is a family-owned plumbing company serving Madison, WI, and surrounding counties including Rock, Jefferson, Walworth, and Dane. They provide a wide range of plumbing services for residential and commercial properties, including sewer and drain cleaning, water heater installation and repair, toilet repair, and sewer line repair. The company uses advanced technology such as video inspections and hydro jetting to effectively diagnose and clear blockages. With over a decade of experience, they also offer 24/7 emergency plumbing services and underground pipe repair with excavation when needed.

Arndt and Son Plumbing
201 Railroad St, Brooklyn, WI 53521
Arndt and Son Plumbing is a third-generation plumbing company serving Madison, WI, and the surrounding Dane and Green counties. They provide a wide range of plumbing services including water heater repair and installation, gas line plumbing, and radiant heating system installation and maintenance. Established in 1972, the company combines decades of experience with a focus on using quality materials and respectful service practices. Their expertise covers both residential and commercial plumbing needs, ensuring reliable solutions for their customers.
Understanding Your Water Heater Options
Modern water heaters come in several types, each with distinct advantages. The right choice for your Janesville home depends on your household size, energy source, and budget.
Storage Tank Water Heaters are the most common type found in homes. They consist of an insulated tank where water is heated and stored until needed. They are available in both electric and gas (natural gas or propane) models. While generally lower in upfront cost, they continuously heat water, which can lead to higher energy bills, a significant consideration given our climate.
Tankless (On-Demand) Water Heaters heat water directly as it flows through the unit, eliminating the standby energy losses associated with storage tanks. This can lead to substantial energy savings over time. They provide a continuous supply of hot water and have a longer lifespan, but typically come with a higher initial purchase and installation cost.
Heat Pump (Hybrid) Water Heaters are highly efficient electric models that move heat from the surrounding air into the water, rather than generating heat directly. They can be two to three times more energy-efficient than conventional electric resistance water heaters. However, they work best in spaces that remain between 40°-90°F year-round and require adequate installation space and ventilation.
Solar Water Heaters use energy from the sun, collected by rooftop panels, to heat water. They have the highest upfront cost but can offer the greatest long-term savings on energy bills. Their effectiveness in Janesville depends on your home's solar exposure and roof orientation.
Key Factors for Janesville Homeowners
Selecting a new water heater isn't just about the unit itself. Several local factors will influence your decision to ensure efficiency, reliability, and cost-effectiveness.
- Energy Efficiency & Climate: Wisconsin's cold winters mean your water heater works harder to heat incoming water, which can be as low as 40°F. Investing in a high-efficiency model, particularly those with the ENERGY STAR® label, is crucial for managing energy costs. These models use less energy to do the same job, leading to lower utility bills.
- Fuel Type and Availability: The cost to operate your heater depends heavily on local fuel prices. In Wisconsin, natural gas is often a cheaper operating cost than electricity, though propane is also common in areas without gas mains. Your home's existing fuel connections (gas line or electrical service) will also impact your choice and installation complexity.
- Capacity and First-Hour Rating (FHR): Choosing the right size is vital. A unit that's too small won't meet your household's demand, especially during peak morning routines. For storage tanks, consider both the tank capacity (e.g., 40, 50, or 80 gallons) and its First-Hour Rating, which indicates how much hot water it can deliver in an hour. For tankless models, the flow rate (measured in gallons per minute) is key. A professional can help calculate your needs based on the number of occupants and fixtures.
The Professional Installation Process
A proper water heater setup is not a simple swap. It involves plumbing, potential electrical or gas work, and adherence to local building codes. Here's what a professional installation typically entails:
- Initial Assessment: A qualified technician will visit your home to assess your hot water needs, inspect the existing setup (including plumbing, venting, and fuel lines), and recommend suitable models and placement.
- Permitting: In Janesville and throughout Wisconsin, a permit is generally required to install or replace a water heater, even for do-it-yourself projects. This ensures the work meets state and local safety codes. A licensed professional will typically handle pulling the necessary permits 1.
- Installation Day: The process includes safely disconnecting and draining the old unit, preparing the site (which may involve upgrading water lines, gas connections, or electrical circuits), installing the new heater, and ensuring all connections, pressure relief valves, and venting systems are correctly configured. Proper venting for gas models is critical to prevent carbon monoxide hazards.
- Cleanup and Inspection: The installer will check for leaks, test the unit's operation, and often handle the disposal of your old water heater. They will also ensure the installation passes any required municipal inspections 2.
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Understanding Water Heater Costs in Janesville
The total cost of a water heater replacement is more than just the price of the unit. It includes the appliance, labor, and any necessary upgrades to your home's infrastructure.
- Conventional Storage Tank (Gas or Electric): The total installed cost typically ranges from $800 to over $3,500. The wide range depends on the unit's size, efficiency rating, fuel type, and the complexity of the installation (e.g., moving the unit, upgrading venting or electrical) 3 4 5.
- Tankless Water Heater: While unit prices can start around $820, the total installed cost is often higher due to more complex installation requirements, such as upgrading gas lines or electrical service. However, the long-term energy savings can offset this initial investment 6 7.
- High-Efficiency & Specialty Models: Heat pump and solar water heaters have higher upfront costs but can offer the greatest operational savings and may qualify for rebates 8.
- Additional Cost Factors: Be prepared for potential extra costs like new venting systems (direct vent or power vent), expansion tanks, upgraded electrical wiring, or gas line modifications. These are common, especially in older Janesville homes where the existing infrastructure may not meet modern code requirements 9.
Local Resources and Savings
Janesville homeowners have access to local services and potential savings programs.
- Professional Installers: Several reputable plumbing companies, such as Accelerated Plumbing and Electric, serve the Janesville area and specialize in water heater services 10.
- Utility Rebates: Wisconsin Public Service (WPS), a major utility provider in the region, offers rebates and energy-saving tips for homeowners who install qualifying ENERGY STAR® certified water heaters. Checking for these rebates can significantly reduce your net cost.
Frequently asked questions
Sources
Footnotes
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Do You Need a Permit to Install a Water Heater in Wisconsin? - https://wattersplumbing.com/tips/do-you-need-a-permit-to-install-a-water-heater-in-wisconsin/ ↩
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Professional Water Heater Installation & Replacement - Lowe's - https://www.lowes.com/l/install/water-heater ↩
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Water Heater Replacement Cost Guide for 2025 - Fields & Fowler - https://fields-fowler.com/water-heater-replacement-cost-2025-guide/ ↩
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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 ↩
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How Much Does Water Heater Replacement Cost? - Bob Vila - https://www.bobvila.com/articles/water-heater-replacement-cost/ ↩
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Replace Older Water Heaters with ENERGY STAR Models - https://www.wisconsinpublicservice.com/savings/tips/water-heating-energystar ↩
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How Much Does Water Heater Installation Cost? | A.O. Smith - https://www.hotwater.com/info-center/water-heater-installation-cost.html ↩
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Water Heater Repair & Replacement in WI & MN - Hurlburt - https://www.hurlburthp.com/water-heater-sales-service/ ↩
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Need A New Water Heater? A Buyer's Guide For Wisconsin Homeowners | Midwest Heating & Cooling - https://midwesthvacpro.com/need-a-new-water-heater-a-buyers-guide-for-wisconsin-homeowners/ ↩
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Water Heater Installation & Repair | Janesville, Wisconsin - https://www.acceleratedplumbandelectric.com/water-heater-installation-and-repair ↩