Skip to Main Content
Skip to Footer
Results loading, please wait
|
Help
My Account
Loading...
Cancel
Deliver to
Change Location
Home
/
Reviews
/
Water Heater Reviews
Water Heater Reviews
Filter
▼
Filters:
Sort By:
Rating: High to Low
Rating: Low to High
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
Brand
-
Noritz (75)
Webstone (5)
Rheem Tankless (44)
Grundfos (2)
Takagi (34)
Amtrol (16)
Rinnai (50)
Bosch Thermotechnology (8)
A.O. Smith Commercial (7)
Eemax (40)
DuraVent (4)
Weil-McLain (9)
Hercules (2)
A.O. Smith (29)
Taco (11)
Triangle Tube (7)
Buderus (11)
Burnham (6)
Crown Boiler Co. (6)
InSinkErator (1)
Caleffi (1)
WSD (1)
Show More
Type
-
Adapter (1)
Descaler (2)
Digital Timer (1)
Gas Water Heater (10)
Hybrid Electric Water Heater (6)
Indirect Water Heater (39)
Isolator Valve (5)
Kit (5)
Mini-Tank Water Heater (4)
Recess Box (1)
Tankless Water Heater (267)
Water Heater Shut-Off (1)
Maximum Input Capacity (BTU)
×
Maximum Input Capacity (BTU)
The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
-
70000 - 99999 (1)
100000 - 129999 (22)
130000 - 159999 (22)
160000 - 189999 (67)
190000 - 219999 (89)
250000 - 279999 (1)
280000 - 309999 (5)
370000 - 399999 (11)
490000+ (1)
Energy Factor
×
Energy Factor
Energy Factor (EF) is a measurement of water heater energy efficiency. The higher the energy factor, the more efficient the water heater.
Learn More
-
0.82 (1)
0.95 (7)
0.99 (10)
1 (2)
3.06 (1)
3.17 (1)
AFUE (%)
×
AFUE (%)
AFUE (Annual Fuel Utilization Efficiency) measures the efficiency of combustion equipment over the entire heating season, and is calculated by dividing the amount of energy that is actually heating your home by the total energy contained in the fuel used by the boiler/furnace.
Learn More
-
80 - 81 (4)
82 - 83 (2)
84 - 85 (2)
88 - 89 (2)
96 - 97 (3)
98 - 99 (8)
Vent Type
×
Vent Type
Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
-
Concentric Vent (23)
Direct Vent (119)
Direct Vent+Q2GG2:U2 (1)
Outdoor (No Venting) (72)
Power Vent (4)
Fuel Type
×
Fuel Type
To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
+
Electric (62)
Indirect Fired (44)
Liquid Propane (95)
Natural Gas (124)
Blower Motor
+
Single-Speed (1)
Three-Speed (1)
Flow Rate at 40F Temperature Rise (GPM)
×
Flow Rate at 40F Temperature Rise (GPM)
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location.
Learn More
+
1 (47)
2 - 3 (7)
4 - 5 (23)
6 - 7 (61)
8 - 9 (107)
10 - 11 (2)
12 - 13 (4)
14 - 15 (8)
Product Status
Available (369)
Discontinued (59)
Compare
Takagi T-H3M - 3.8 GPM at 60° F Rise - 0.90 UEF - Gas Tankless Water Heater - Direct Vent
Model: T-H3M-DV-N
2%
Buy This
(41)
Ask a Question
Offer Ends Wednesday, March 31
$699.00
$594.15
Free Shipping
In-Stock
Add To Cart
Compare
Takagi T-H3 - 6.3 GPM at 60° F Rise - 0.93 UEF - Gas Tankless Water Heater - Direct Vent
Model: T-H3-DV-N
2%
Buy This
(40)
Ask a Question
Offer Ends Wednesday, March 31
$1,049.00
$891.65
Free Freight
Factory-Direct!
Add To Cart
Compare
Takagi T-H3J - 5.0 GPM at 60° F Rise - 0.94 UEF - Propane Tankless Water Heater - Direct Vent
Model: T-H3J-DV-P
1%
Buy This
(36)
Ask a Question
Offer Ends Wednesday, March 31
$849.00
$721.65
Free Shipping
In-Stock
Add To Cart
Compare
Takagi T-H3J - 5.0 GPM at 60° F Rise - 0.94 UEF - Gas Tankless Water Heater - Direct Vent
Model: T-H3J-DV-N
1%
Buy This
(35)
Ask a Question
Offer Ends Wednesday, March 31
$849.00
$721.65
Free Shipping
Factory-Direct!
Add To Cart
Compare
Takagi T-H3M - 3.8 GPM at 60° F Rise - 0.90 UEF - Propane Tankless Water Heater - Direct Vent
Model: T-H3M-DV-P
2%
Buy This
(33)
Q&A
(1)
Offer Ends Wednesday, March 31
$699.00
$594.15
Free Shipping
Only 2 In-Stock
Add To Cart
Compare
Takagi T-H3S - 5.7 GPM at 60° F Rise - 0.95 UEF - Gas Tankless Water Heater - Direct Vent
Model: T-H3S-DV-N
1%
Buy This
(32)
Ask a Question
Offer Ends Wednesday, March 31
$949.00
$806.65
Free Shipping
Factory-Direct!
Add To Cart
Compare
Takagi T-H3M - 3.8 GPM at 60° F Rise - 0.91 UEF - Gas Tankless Water Heater - Outdoor
Model: T-H3M-OS-N
1%
Buy This
(31)
Ask a Question
$729.00
Free Shipping
Only 1 In-Stock
Add To Cart
Compare
Takagi T-H3S - 5.7 GPM at 60° F Rise - 0.95 UEF - Propane Tankless Water Heater - Direct Vent
Model: T-H3S-DV-P
1%
Buy This
(29)
Ask a Question
Offer Ends Wednesday, March 31
$949.00
$806.65
Free Shipping
Only 1 In-Stock
Add To Cart
Compare
Takagi T-H3M - 3.8 GPM at 60° F Rise - 0.91 UEF - Propane Tankless Water Heater - Outdoor
Model: T-H3M-OS-P
1%
Buy This
(29)
Ask a Question
$729.00
Free Shipping
Only 4 In-Stock
Add To Cart
Compare
Takagi T-H3J - 5.0 GPM at 60° F Rise - 0.95 UEF - Gas Tankless Water Heater - Outdoor
Model: T-H3J-OS-N
1%
Buy This
(29)
Ask a Question
$849.00
Free Shipping
Factory-Direct!
Add To Cart
Compare
Rinnai Value Series - V65 - 4.1 GPM at 60° F Rise - 0.81 UEF - Propane Tankless Water Heater - Concentric Vent
Model: V65IP
1%
Buy This
(17)
Q&As
(6)
$680.40
Free Shipping
In-Stock
Add To Cart
Compare
Rinnai Value Series - V65 - 4.1 GPM at 60° F Rise - 0.81 UEF - Gas Tankless Water Heater - Concentric Vent
Model: V65IN
1%
Buy This
(17)
Q&As
(6)
$680.40
Free Shipping
In-Stock
Add To Cart
Compare
Rinnai Value Series - V75 - 5.0 GPM at 60° F Rise - 0.81 UEF - Propane Tankless Water Heater - Concentric Vent
Model: V75IP
1%
Buy This
(17)
Q&As
(5)
$831.00
Free Shipping
In-Stock
Add To Cart
Compare
Rinnai Value Series - V75 - 5.0 GPM at 60° F Rise - 0.81 UEF - Gas Tankless Water Heater - Concentric Vent
Model: V75IN
1%
Buy This
(17)
Q&As
(5)
$831.00
Free Shipping
In-Stock
Add To Cart
Compare
Rinnai Value Series - V65 - 4.1 GPM at 60° F Rise - 0.81 UEF - Propane Tankless Water Heater - Outdoor
Model: V65EP
1%
Buy This
(14)
Q&As
(3)
$680.40
Free Shipping
In-Stock
Add To Cart
Compare
Weil-McLain Aqua Plus 45 - 39.9 Gal. - Indirect Water Heater
Model: 633600001
1%
Buy This
(12)
Ask a Question
2% Check Discount
$1,125.00
Free Freight
Free Lift Gate
In-Stock
Add To Cart
Compare
Triangle Tube SMART 30 - 28 Gal. - Indirect Water Heater
Model: SMART 30
1%
Buy This
(12)
Q&A
(1)
$999.00
Free Freight
Free Lift Gate
Factory-Direct!
Add To Cart
Compare
Weil-McLain Aqua Plus 35 - 29.7 Gal. - Indirect Water Heater
Model: 633600000
1%
Buy This
(10)
Ask a Question
2% Check Discount
$1,149.00
Free Freight
Free Lift Gate
Only 3 In-Stock
Add To Cart
Compare
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
1%
Buy This
(11)
Ask a Question
$889.00
Free Shipping
In-Stock
Add To Cart
Compare
A.O. Smith ATI-340H - 5.7 GPM at 60° F Rise - 0.95 UEF - Gas Tankless Water Heater - Direct Vent
Model: ATI-340H-N
1%
Buy This
(10)
Ask a Question
2% Check Discount
$1,029.00
Free Shipping
In-Stock
Add To Cart
Compare
A.O. Smith ATI-140H - 3.8 GPM at 60° F Rise - 0.90 UEF - Gas Tankless Water Heater - Direct Vent
Model: ATI-140H-N
1%
Buy This
(10)
Ask a Question
$749.00
Free Shipping
In-Stock
Add To Cart
Compare
Weil-McLain Aqua Plus 55 - 54.1 Gal. - Indirect Water Heater
Model: 633600002
1%
Buy This
(8)
Ask a Question
2% Check Discount
$1,489.00
Free Freight
Free Lift Gate
In-Stock
Add To Cart
Compare
Weil-McLain Aqua Plus 85 - 81.6 Gal. - Indirect Water Heater
Model: 633600003
1%
Buy This
(8)
Ask a Question
2% Check Discount
$1,739.00
Free Freight
Free Lift Gate
Only 1 In-Stock
Add To Cart
Compare
Weil-McLain Aqua Plus 105 - 110.9 Gal. - Indirect Water Heater
Model: 633600004
(8)
Ask a Question
2% Check Discount
$2,489.00
Free Freight
Free Lift Gate
Only 3 In-Stock
Add To Cart
1
2
3
4
5
...
Next
Hide
Compare
Clear All