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Top Water Heater Installation Companies in Evanston, Illinois Ranked
Ensuring your home has a reliable supply of hot water is essential for daily comfort, from showers to dishwashing. When your current system fails or becomes inefficient, navigating the options for a new water heater can be complex. This guide is designed to help Evanston homeowners understand the key considerations-from choosing between a traditional tank and a modern tankless system to navigating local permits and safety codes-so you can make an informed decision and connect with qualified local professionals for your installation or replacement project.

Excellent Plumbing
785 Oakwood Rd Suite E101, Lake Zurich, IL 60047
Excellent Plumbing is a family-owned plumbing company serving Chicago, IL, and the northern Chicagoland suburbs since 2006. They offer a wide range of plumbing services, including drain cleaning, sewer line repair, water heater installation and repair, leak detection, and water softener installation. Their team is equipped to handle specialized plumbing tasks such as high-pressure hydro jetting and comprehensive boiler and radiator services. With over 17 years of experience, Excellent Plumbing provides 24/7 emergency service and same-day appointments to address urgent plumbing needs promptly.

Walsh & Son Plumbing and Sewer
Chicago, IL
Walsh & Son Plumbing and Sewer is a licensed plumbing company serving Chicago, IL, and the surrounding Chicagoland area. Since 2013, this family- and woman-owned business has provided a range of plumbing services including sewer line repair, water heater installation and repair, sump pump maintenance, drain cleaning, leak detection, repiping, and gas line installation. Their team uses advanced technology for sewer camera inspections and offers a 10-year warranty on pipe installations, reflecting their commitment to durable workmanship. They also provide fast, same-day responses to plumbing issues and offer discounts for seniors, veterans, and first responders.

Legendary Service
960 Rand Rd Suite 200F, Des Plaines, IL 60016
Legendary Service is a plumbing and home comfort provider serving Chicago, IL. They offer a range of services including water heater repair and installation, water softener installation, drain cleaning, repiping, toilet repair, and garbage disposal repair. With over 40 years of combined experience, their licensed team handles plumbing and HVAC needs with thoroughness and professionalism. They also provide indoor air quality solutions and maintenance plans to support ongoing home system care.

Drain & Plumbing Services
3663 Woodhead Dr, Northbrook, IL 60062
Drain & Plumbing Services offers a wide range of plumbing and drain cleaning solutions in Chicago, IL, including water heater repair and installation, tankless water heaters, leak detection, toilet and garbage disposal repairs, and hydro jetting. Their team uses advanced technology such as sewer camera inspections and hydro jetting equipment to diagnose and resolve plumbing issues efficiently. Serving both residential and commercial clients, they provide comprehensive services tailored to local infrastructure needs. The company also offers 24/7 emergency plumbing service to address urgent repairs promptly.

Elite Sewer & Drain Inc.
9116 Kilpatrick Ave, Skokie, IL 60076
Elite Sewer & Drain Inc. is a family-owned plumbing company serving Chicago, IL, and the surrounding north side suburbs. They provide a range of services including water heater repair and installation, sump pump repair, drain cleaning, and hydro jetting. The company specializes in clearing clogs using hydro jetting technology, which effectively removes grease and buildup from drains. They also offer backflow preventer testing and pump installation services. Elite Sewer & Drain Inc. emphasizes honest and transparent service with same-day emergency availability.
Understanding Your Water Heater Options
The first step in any replacement project is selecting the right type of unit for your home. The two primary categories are storage tank and tankless (on-demand) water heaters, each with distinct advantages.
Standard Storage Tank Water Heaters This is the most common type found in Evanston homes. These units store and continuously heat a reservoir of water, typically ranging from 40 to 80 gallons. They are powered by either natural gas or electricity, with natural gas being the dominant fuel source in the Chicago area due to its availability and generally lower operating costs. The main appeal of a storage tank is its lower upfront cost and straightforward installation. However, they can be less energy-efficient due to "standby" heat loss, where energy is used to keep the stored water hot even when you're not using it.
Tankless (On-Demand) Water Heaters Tankless systems heat water directly as it flows through the unit, eliminating the need for a storage tank. This design provides an endless supply of hot water and can lead to significant energy savings over time, as you only heat water when you need it. Their performance is measured in Gallons Per Minute (GPM), so proper sizing is crucial to meet your household's simultaneous demand (e.g., running a shower and dishwasher at the same time). The trade-off is a higher initial investment for both the unit and the installation, which can be more complex.
Key Factors for Evanston Homeowners
Several local and technical factors will influence your choice and the installation process.
- Fuel Source: As mentioned, natural gas is prevalent in Evanston, making gas-fired units a common and often cost-effective choice. Electric models are a viable option, especially where gas lines are not accessible, but it's important to compare potential operating costs. Propane is less common in this urban setting.
- Sizing: Choosing the correct size is critical for performance and efficiency. For storage tanks, this means matching the tank's "First Hour Rating" (FHR) to your home's peak hour demand. For tankless units, it's about ensuring the GPM output meets your needs. An undersized unit will leave you with cold water, while an oversized one wastes energy 1.
- Venting & Safety: This is a paramount concern, especially for gas models. Proper venting is required to safely exhaust combustion gases, including carbon monoxide (CO), out of your home. Installations may require direct vent or power vent systems, and the complexity of this setup is a major factor in both safety and installation cost 2 3. All work must comply with local building codes.
- Local Permits: The City of Evanston requires permits for water heater installations. A reputable, licensed professional will handle this process, ensuring the work is inspected and approved, which protects your home investment and ensures safety compliance.
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The Professional Installation Process
A proper installation by a licensed plumber involves a series of critical steps to ensure safety, efficiency, and code compliance.
- Assessment and Permit Acquisition: A technician will assess your home's needs, recommend a properly sized unit, and then secure the necessary installation permit from the City of Evanston on your behalf.
- Site Preparation and Inspection: Before installation day, the installer will verify that the location, gas lines or electrical supply, and venting pathway meet current code requirements for the new unit.
- Removal of the Old Unit: The old water heater is safely disconnected from the water, gas, and vent lines, and then removed from your home.
- New Unit Installation: The new water heater is positioned, leveled, and connected. This includes hooking up water lines, the gas line or electrical connection, the temperature and pressure relief valve, and the new venting system 4 5.
- Testing and Final Inspection: The system is filled, purged of air, and tested for leaks and proper operation. Once the installer's tests are complete, a final inspection from the city is typically required to close out the permit.
Understanding Investment and Cost Factors
The total cost of a water heater replacement in Evanston varies widely based on your choices. Here's a general breakdown of what to expect 6 7 8:
- Standard Storage Tank Installation: Typically ranges from $1,500 to $3,500 or more. The final price depends on the unit's brand, capacity (e.g., 50-gallon vs. 80-gallon), fuel type (gas or electric), and any necessary upgrades to venting or plumbing.
- Tankless Water Heater Installation: Represents a higher initial investment, often between $4,000 and $8,000+. The cost factors include the unit's GPM capacity, whether it's gas or electric, and the complexity of installation, which may require upgrading gas lines or installing new venting and condensate drains.
Additional factors that can influence cost include the labor rates of the installer, the need for disposal of the old unit, and any unforeseen complications like corroded pipes or the need to bring old plumbing up to current code 9 10.
Making the Right Choice for Your Home
Your decision ultimately balances immediate budget with long-term savings and convenience. A standard tank model offers a reliable, lower-cost solution, while a tankless system provides energy efficiency and unlimited hot water for a higher upfront price. Given the critical importance of proper sizing, venting, and permitting for safety, obtaining detailed, written estimates from licensed local professionals is the most important step. These estimates will clarify the full scope and cost for your specific Evanston home 11 12.
Frequently asked questions
Sources
Footnotes
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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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Water Heater Installation | Evanston, IL | All Temp - https://alltemp.com/chicago-il/evanston-il/water-heater-installation-in-evanston-il/ ↩
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Best Evanston Plumber and Hot Water Heater Company and ... - https://cahillinc.com/water-heater-evanston-illinois/ ↩
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Water Heater Replacement at The Home Depot - https://www.homedepot.com/services/c/water-heater-installation/9058c024e ↩
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Professional Water Heater Installation & Replacement - Lowe's - https://www.lowes.com/l/install/water-heater ↩
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Evanston, IL Water Heater Replacement - https://www.billsplumbingandsewer.com/evanston-il/water-heater-replacement-evanston/ ↩
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Chicago Water Heater Installation - https://www.fourseasonsheatingcooling.com/chicago-water-heater-installation/ ↩
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The 10 Best Water Heater Installers in Evanston, IL (2026) - https://homeguide.com/il/evanston/water-heater-installation/ ↩
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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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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 in Chicago, IL? - https://www.angi.com/articles/how-much-does-water-heater-installation-cost/il/chicago ↩
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Top 10 Best Water Heater Installation/Repair Near Evanston ... - https://m.yelp.com/search?cflt=waterheaterinstallrepair&find_loc=Evanston%2C+IL ↩