A.O. Smith Water Heaters

Loading Image

Discover the reliability and efficiency of A.O. Smith Water Heaters. Offering a wide range of innovative solutions for residential and commercial use, A.O. Smith ensures you have hot water when you need it most. Experience superior performance and energy savings with our advanced water heating technology.

Featured Categories

110 Products

Learn More About A.O. Smith ATHR-160M
A.O. Smith
EnergyStar Condensing Water Heater. Ultra-Low NOx Emissions. Ratings: 7.5 GPM at 40° F Rise, 6 GPM at 50° F Rise, 5.1 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 160k BTU/h.
$1,473.97
Was $1,551.55
SAVE $77.58
In-Stock
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith ATHR-180M
A.O. Smith
EnergyStar Condensing Water Heater. Ultra-Low NOx Emissions. Ratings: 8.5 GPM at 40° F Rise, 6.8 GPM at 50° F Rise, 5.8 GPM at 60° F Rise, 4.9 GPM at 70° F Rise. 180k BTU/h.
$1,639.65
Was $1,725.95
SAVE $86.30
In-Stock
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith ATHR-199M
A.O. Smith
EnergyStar Condensing Water Heater. Ultra-Low NOx Emissions. Ratings: 9.6 GPM at 40° F Rise, 7.6 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.3 GPM at 70° F Rise. 199k BTU/h.
$1,690.05
Was $1,779.00
SAVE $88.95
In-Stock
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith HPTA-66
$2,760.00
In-Stock
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith HPTA-80
$3,287.06
In-Stock
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith ATO-240H-N
A.O. Smith
EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 171k Effective BTU/h.
$1,022.00
In-Stock
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith Commercial BTH-250A
Add to Cart for Price
Was $14,069.00
In-Stock
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith Commercial BTH-400A
Add to Cart for Price
Was $16,957.00
In-Stock
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith ATI-240H-N
A.O. Smith
EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 152k Effective BTU/h.
$1,022.00
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith ATI-140H-N
A.O. Smith
EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 5.4 GPM at 40° F Rise, 4.4 GPM at 50° F Rise, 3.8 GPM at 60° F Rise, 3.2 GPM at 70° F Rise. 112k Effective BTU/h.
$845.00
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About A.O. Smith ATI-140H-P
A.O. Smith
EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 5.4 GPM at 40° F Rise, 4.4 GPM at 50° F Rise, 3.8 GPM at 60° F Rise, 3.2 GPM at 70° F Rise. 112k Effective BTU/h.
$845.00
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About A.O. Smith ATI-340H-P
A.O. Smith
EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 8.0 GPM at 40° F Rise, 6.8 GPM at 50° F Rise, 5.7 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 171k Effective BTU/h.
$1,142.00
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith ATI-240H-P
A.O. Smith
EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 152k Effective BTU/h.
$1,022.00
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith ATI-540P-P
A.O. Smith
EnergyStar Condensing Water Heater. Ultra-Low NOx. Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199k Max BTU/h.
$1,567.50
Was $1,650.00
SAVE $82.50
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith ATI-310C-N
$981.00
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About A.O. Smith ATI-510C-N
$1,160.00
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith ATI-110U-N
A.O. Smith
EnergyStar Water Heater. Ultra Low NOx Emissions. Ratings: 5.8 GPM at 40° F Rise, 4.5 GPM at 50° F Rise, 3.9 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 140k Effective BTU/h.
$845.00
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Learn More About A.O. Smith ATI-510U-N
A.O. Smith
EnergyStar Water Heater. Ultra Low NOx Emissions. Ratings: 8.3 GPM at 40° F Rise, 6.9 GPM at 50° F Rise, 5.5 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 199k Max BTU/h.
$1,006.05
Was $1,059.00
SAVE $52.95
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith ATO-540P-N
A.O. Smith
EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199k Effective BTU/h.
$1,501.00
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith Commercial BTH-150
Add to Cart for Price
Was $10,365.00
Factory-Direct
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith Commercial BTH-250
Add to Cart for Price
Was $11,900.00
Factory-Direct
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith Commercial BTH-400
Add to Cart for Price
Was $14,674.00
Factory-Direct
Free Shipping & Lift Gate
Learn More About Free Freight
Free Shipping & Lift Gate
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith ATO-540HX3-P
A.O. Smith
EnergyStar Condensing Water Heater. Ultra-Low NOx. Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.2 GPM at 60° F Rise, 5.2 GPM at 70° F Rise. 199k Max BTU/h.
$1,480.10
Was $1,558.00
SAVE $77.90
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Learn More About A.O. Smith ATO-540P-P
A.O. Smith
EnergyStar Condensing Water Heater. Low NOx Emissions. Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 199k Effective BTU/h.
$1,501.00
Factory-Direct
Free Shipping
Learn More About Free Freight
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.