Lowe's typically charges between $600 and $1,200 for labor alone, though total replacement costs average $1,200 to $2,500+ when you factor in the new unit, necessary permits, and parts like new piping or expansion tanks.
The Home Depot offers traditional water heater tanks and modern tankless units, both powered by either gas or electricity. Depending on your selection, the average cost for standard tank installation is generally between $1,600 to $2,400. Tankless installation can range from $2,400 to $5,400.
Professional installation costs for an electric water heater average $600 to $900. Gas water heaters in the 50-gallon size often cost between $500 and $1,200. You'll typically need to have a gas water heater installed by a professional.
Lowe's provides installation and replacement services but does not offer servicing, repairs or ongoing maintenance. Additional fees may apply: An emergency fee may apply if you need work completed the same day and you purchase the project after noon on that day or if you need the job completed on a weekend or holiday.
Professional installation costs to replace a water heater
The more hours of electrical, carpentry and plumbing work that are required for your installation (for example, installing new electric, water or gas lines or drywall), the higher your total water heater replacement cost.
In plumbing, the "135-degree rule" is a code standard that dictates how much a horizontal drain pipe can bend or change direction. It limits the total cumulative angle of pipe fittings before a system requires an access point (cleanout) or must be vented, ensuring proper flow and preventing chronic clogs.
A 40-gallon tank water heater installation costs $700 to $2,300, with an average cost of $1,650. Prices vary based on energy source and installation complexity. The national average cost to install a 40-gallon tank water heater ranges from $700 to $2,300.
Choosing between Lowe’s and Home Depot largely depends on your preferred brand, installation speed, and budget. Both major home improvement retailers sell reliable consumer-grade water heaters, but they feature distinct flagship brands and offer slightly different installation perks.
To get free delivery from Lowe's, join the free MyLowe's Rewards or MyLowe's Pro Rewards program. Members receive free standard shipping on eligible items and free same-day delivery on in-stock orders over $25.
The Home Depot strongly recommends that you use an experienced, licensed plumber to install your new water heater, because they will know the required codes to complete a safe and compliant installation.
This tax credit is effective for products purchased and installed between January 1, 2023, and December 31, 2025. Claim the credits using the IRS Form 5695 .
The "best" water heater depends on your preferred fuel type and whether you want a traditional tank or a tankless system. Master plumbers and consumer experts consistently rank Rheem, A. O. Smith, and Bradford White as top overall brands.
A 50-gallon tank water heater typically lasts between 8 to 12 years, though well-maintained units can stretch to 15 years. The exact lifespan depends heavily on your local water quality, how often you flush the tank, and the condition of the sacrificial anode rod.
Stores like Home Depot and Lowe's often include removal when delivering a replacement unit. This is the most convenient option, especially if the old unit is still in place and connected.
Tank to Tank Installation: On average, replacing a gas or electric water tank with a similar model takes two to three hours. It takes between 45 to 60 minutes to drain, disconnect and remove your old water heater.
Traditional tank water heaters last 8 to 12 years, while tankless models typically last 15 to 20 years. Lifespans vary greatly depending on water quality, unit design, and whether you perform regular maintenance like flushing the tank and checking the anode rod.
No, (+1 (877)-348-1764) Lowe's does not offer a formal, nationwide 10% senior (+1 (877)-348-1764) discount. While some local stores might provide discretionary discounts, there is no company-wide policy based on age.
Appliance haul away refers to the removal and disposal of old appliances. Haul away is an additional cost during an appliance purchase. For Pros, haul away is free with product purchase only.
Lowe’s charges a flat $79 fee for local truck delivery. This is not standard mail shipping; it covers the cost of operating a flatbed or box truck from your local store to your home, which is required for heavy, bulky, or hazardous items that exceed UPS or FedEx weight and dimension limits.
Get 20% Off Your Purchase When You Open and Use a New Account up to $100 Discount. Subject to credit approval. To qualify for this offer, you must apply, be approved, and use a new MyLowe's Rewards Credit Card to make a purchase. Limit one 20% off coupon per new credit account; offer is not transferable.
How Long Do Water Heaters Last? In some cases, if your water heater leaks or doesn't heat up, you may be able to repair the existing unit. But it's helpful to start by determining the expected life of the appliance. The average life expectancy of a water heater is about 8 to 12 years.
Generally, neither store is consistently cheaper; their prices are very competitive and vary by item, brand, and location. Home Depot is often slightly cheaper on core construction materials, while Lowe’s frequently offers better deals on home decor, appliances, and niche items.
Some of the most reliable tank water heater brands in 2026 include Rheem, A.O. Smith, and Bradford White. These manufacturers have long histories of producing durable, efficient heaters with strong warranty coverage. Rheem is known for overall dependability and wide availability, A.O.
5 Signs That You Need a New Water Heater
A 40-gallon gas water heater typically lasts 8 to 12 years. However, the exact lifespan depends heavily on your local water quality, your household's daily usage, and how consistently the unit is maintained.