A.O. Smith

Loading Image
Start Referring Today
Featured Categories
Filter By
  • Best Selling
  • Price: Low to High
  • Price: High to Low
  • Name: A-Z
  • Name: Z-A
  • Recommends Only
  • Closeouts Only
  • In-stock Only
  • Next Day Air Only
  • Availability
Learn More About A.O. Smith Commercial BTH-150
A.O. Smith Commercial
A.O. Smith - 100 Gal. Storage - 248 Gal. First Hour Delivery - 98% Thermal Efficiency - Natural Gas Water Heater - Direct Vent
Model: BTH-150
198 GPH Continuous Recovery Rate at 90
(1)
Add to Cart for Price
Was 
$9,966.00
In-Stock
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith Water Filtration 100314965
A.O. Smith Water Filtration
A.O. Smith Pro - AOW-100 - High Flow Faucet Filter
Model: 100314965
3/8" Push Fit, 1.5 GPM High Flow Faucet.
Write A Review
$190.00
Only 1 In-Stock
View Details
Learn More About A.O. Smith Water Filtration 100314966
A.O. Smith Water Filtration
A.O. Smith Pro - AOW-2000 - Two-Stage Drinking Water Filter
Model: 100314966
Write A Review
$230.00
Only 2 In-Stock
Freight Icon
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.
View Details
Learn More About A.O. Smith Water Filtration 100314969
A.O. Smith Water Filtration
A.O. Smith Pro - AOW-100-R - Carbon Replacement Filter for AOW-100
Model: 100314969
Write A Review
Q&A (1)
$108.00
Freight Icon
Subscription Eligible
Learn More
Subscription Eligible
*This product is Subscription Eligible and can be set up to auto-deliver filters to your home at a discounted price. You select the filter quality, delivery frequency, and quantity.
Factory-Direct
Freight Icon
Subscription Eligible
Learn More
Subscription Eligible
*This product is Subscription Eligible and can be set up to auto-deliver filters to your home at a discounted price. You select the filter quality, delivery frequency, and quantity.
View Details
Learn More About A.O. Smith Water Filtration 100315002
A.O. Smith Water Filtration
A.O. Smith Pro - AOW-2000-R - Claryum® Replacement Filter for AOW-2000
Model: 100315002
Write A Review
$126.00
Freight Icon
Subscription Eligible
Learn More
Subscription Eligible
*This product is Subscription Eligible and can be set up to auto-deliver filters to your home at a discounted price. You select the filter quality, delivery frequency, and quantity.
Only 2 In-Stock
Freight Icon
Subscription Eligible
Learn More
Subscription Eligible
*This product is Subscription Eligible and can be set up to auto-deliver filters to your home at a discounted price. You select the filter quality, delivery frequency, and quantity.
View Details
Learn More About A.O. Smith Commercial BTH-120
A.O. Smith Commercial
A.O. Smith - 60 Gal. Storage - 180 Gal. First Hour Delivery - 95% Thermal Efficiency - Natural Gas Water Heater - Direct Vent
Model: BTH-120
154 GPH Continuous Recovery Rate at 90
Write A Review
Add to Cart for Price
Was 
$7,325.00
In-Stock
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith ATI-340HX3-P
A.O. Smith
A.O. Smith X3 - 5.8 GPM at 60° F Rise - 0.95 UEF - Propane Tankless Water Heater - Indoor
Model: ATI-340HX3-P
EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). Ratings: 8 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 Max BTU/h.
Write A Review
$1,421.00
Factory-Direct
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith ATI-540HX3-P
A.O. Smith
A.O. Smith X3 - 6.2 GPM at 60° F Rise - 0.93 UEF - Propane Tankless Water Heater - Indoor
Model: ATI-540HX3-P
EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). 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.
Write A Review
$1,558.00
Only 3 In-Stock
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith Tank HPTS-80
A.O. Smith Tank
A.O. Smith Voltex 80 gal. Storage - 95 Gal. First Hour Delivery - 3.88 UEF - Hybrid Electric Heat Pump Water Heater
Model: HPTS-80
4.5kW Heating Element.
Write A Review
$2,789.00
In-Stock
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith ATO-240H-N
A.O. Smith
A.O. Smith ATO-240H - 5.0 GPM at 60° F Rise - 0.95 UEF - Gas Tankless Water Heater - Outdoor
Model: ATO-240H-N
EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). 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.
Write A Review
$1,022.00
In-Stock
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith ATI-240H-N
A.O. Smith
A.O. Smith ATI-240H - 5.0 GPM at 60° F Rise - 0.94 UEF - Gas Tankless Water Heater - Direct Vent
Model: ATI-240H-N
(11)
$1,022.00
Only 1 In-Stock
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith ATI-310C-N
A.O. Smith
A.O. Smith ATI-310C - 5.3 GPM at 60° F Rise - 0.82 UEF - Gas Tankless Water Heater - Concentric Vent
Model: ATI-310C-N
(6)
$981.00
In-Stock
Freight Icon
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.
View Details
Learn More About A.O. Smith Commercial BTH-500
A.O. Smith Commercial
A.O. Smith - 119 Gal. Storage - 659 Gal. First Hour Delivery - 95% Thermal Efficiency - Natural Gas Water Heater - Direct Vent - ASME Certified
Model: BTH-500A
640 GPH Continuous Recovery Rate at 90
(3)
Add to Cart for Price
Was 
$17,895.00
In-Stock
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith GDHE-50
A.O. Smith
A.O. Smith - 50 Gal. Storage - 164 Gal. First Hour Delivery - 96% Thermal Efficiency - 0.86 UEF - Natural Gas Water Heater - Direct Vent
Model: GDHE-50
129 GPH Continuous Recovery Rate at 90
(2)
$4,126.00
In-Stock
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith ATIO-910-N
A.O. Smith
A.O. Smith ATIO-910 - 10.5 GPM at 60° F Rise - 80% Eff. - Gas Tankless Water Heater - Power Vent or Outdoor
Model: ATIO-910-N
Commercial Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 14.8 GPM at 40° F Rise, 12.5 GPM at 50° F Rise, 10.5 GPM at 60° F Rise, 8.5 GPM at 70° F Rise. 304k Effective BTU/h.
(1)
$3,512.00
Only 1 In-Stock
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith ATO-540P-N
A.O. Smith
A.O. Smith ATO-540P - 6.3 GPM at 60° F Rise - 0.95 UEF - Gas Tankless Water Heater - Outdoor
Model: ATO-540P-N
EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). 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)
Q&A (1)
$1,501.00
In-Stock
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith GDHE-75
A.O. Smith
A.O. Smith - 75 Gal. Storage - 189 Gal. First Hour Delivery - 96% Thermal Efficiency - 0.86 UEF - Natural Gas Water Heater - Direct Vent
Model: GDHE-75
129 GPH Continuous Recovery Rate at 90
(1)
Q&A (1)
$5,012.00
Only 1 In-Stock
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith ATO-540HX3-P
A.O. Smith
A.O. Smith X3 - 6.2 GPM at 60° F Rise - 0.95 UEF - Propane Tankless Water Heater - Outdoor
Model: ATO-540HX3-P
EnergyStar Condensing Water Heater. Ultra-Low NOx (14 ng/J or 20 ppm). 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)
$1,558.00
Only 3 In-Stock
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith Water Filtration 100314964
A.O. Smith Water Filtration
A.O. Smith Pro - AOW-FC600 - Water Conditioner
Model: 100314964
Write A Review
$1,149.00
Only 1 In-Stock
Freight Icon
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 Icon
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.
View Details
Learn More About A.O. Smith Water Filtration 100315006
A.O. Smith Water Filtration
A.O. Smith Pro - AOW-3000-R - Carbon, Claryum® and Membrane Replacement Filter for AOW-3000
Model: 100315006
Write A Review
$180.00
Freight Icon
Subscription Eligible
Learn More
Subscription Eligible
*This product is Subscription Eligible and can be set up to auto-deliver filters to your home at a discounted price. You select the filter quality, delivery frequency, and quantity.
Only 1 In-Stock
Freight Icon
Subscription Eligible
Learn More
Subscription Eligible
*This product is Subscription Eligible and can be set up to auto-deliver filters to your home at a discounted price. You select the filter quality, delivery frequency, and quantity.
View Details
Learn More About A.O. Smith Tank FMHR-40
A.O. Smith Tank
A.O. Smith ProLine® - 40 Gal. Storage - 55 Gal. First Hour Delivery - 0.62 UEF - Natural Gas Water Heater - Atmospheric Vent - Mobile Home
Model: FMHR-40
Write A Review
$899.00
Factory-Direct
Local Pickup Only
View Details
Learn More About A.O. Smith Tank PXGT-40
A.O. Smith Tank
A.O. Smith ProLine® XE - 240V Single Phase Water Heater - 40 Gal. Storage - 59 Gal. First Hour Delivery - 0.93 UEF - Leak Detection - Tall
Model: PXGT-40
Write A Review
$1,096.97
Factory-Direct
Local Pickup Only
View Details
Learn More About A.O. Smith Tank HWRL-40-NG
A.O. Smith Tank
A.O. Smith ProLine® Master - 40 Gal. Storage - 67 Gal. First Hour Delivery - 0.59 UEF - Natural Gas Water Heater - Atmospheric Vent - Short
Model: HWRL-40-NG
Write A Review
$945.96
Factory-Direct
Local Pickup Only
View Details
Learn More About A.O. Smith Tank HWR-40-NG
A.O. Smith Tank
A.O. Smith ProLine® Master - 40 Gal. Storage - 80 Gal. First Hour Delivery - 0.59 UEF - Natural Gas Water Heater - Tall
Model: HWR-40-NG
Write A Review
$945.96
Factory-Direct
Local Pickup Only
View Details
Tools & Articles
Water Heaters 101
How Hot Water Heaters Work
Tankless Water Heater Buying Guide
How to Pick the Perfect Tankless Water Heater