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AO Smith (157)
Bosch (5)
Bradford White (107)
Eccotemp (8)
EZ Tankless (15)
Noritz (44)
Rheem (17)
Rinnai (31)
Ruud (14)
Takagi (29)

Energy Factor

0.55 - 0.60 (58)
0.60 - 0.65 (121)
0.65 - 0.70 (52)
0.70 - 0.75 (24)
0.75 - 0.80 (2)
0.80 - 0.85 (56)
0.85 - 0.90 (10)
0.90 - 0.95 (85)
0.95+ (65)

Flow Rate At 50F Temp Rise (GPM)

3.9 (4)
4.4 (6)
4.5 (2)
4.6 (6)
4.8 (1)
5.1 (1)
5.3 (3)
5.8 (4)
6.1 (11)
6.2 (6)

Installation Type

Indoor Only (99)
Indoor/Outdoor (28)
Outdoor (1)
Outdoor Only (68)

Flow Rate At 40F Temp Rise (GPM)

4.9 (2)
5.0 (2)
5.4 (4)
5.5 (2)
5.8 (8)
6 (1)
6.3 (1)
6.6 (3)
6.7 (9)
7.1 (4)

Fuel Type

Natural Gas (277)
Propane (172)

BTU (Max)

100,000 (2)
120,000 (14)
130,000 (2)
140,000 (15)
157,000 (6)
160,000 (25)
165,000 (2)
170,000 (2)
175,000 (1)
180,000 (30)

Vent Type

ABS (20)
Atmospheric (120)
Concentric (19)
Concentric Direct-Vent Termination (6)
CPVC (20)
Direct Exhaust (6)
Direct Vent (119)
Outdoor (No Venting) (29)
Polypropylene (20)
Power Direct Vent (8)

Flow Rate At 70F Temp Rise (GPM)

2.8 (4)
3.2 (6)
3.3 (8)
3.5 (1)
3.6 (1)
3.8 (4)
4.2 (4)
4.3 (10)
4.4 (1)
4.5 (5)

Flow Rate At 60F Temp Rise (GPM)

3.3 (4)
3.7 (2)
3.8 (10)
3.9 (2)
4 (1)
4.2 (1)
4.4 (3)
4.9 (4)
5 (11)
5.2 (2)

Review Score

(134)
(20)
(3)
(4)
(4)

Price Range

$100 to $200 (1)
$300 to $400 (2)
$400 to $500 (2)
$500 to $600 (8)
$600 to $700 (7)
$700 to $800 (7)
$800 to $900 (10)
$900 to $1000 (19)
$1000 to $1500 (132)
$1500 to $2000 (118)

Residential Gas Water Heaters

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Product Image of NC380 380,000 BTU Single Vent Commercial Tankless Water Heater (LP)
$5,678.74 each
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Product Image of 34 Gallon GSP-150 150,000 BTU Polaris High Efficiency Power Direct Vent Gas Water Heater - Short (NG)
$6,058.89 each
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Product Image of 40 Gallon GCRL-40 36,000 BTU ProLine Residential Gas Water Heater - Short (LP)
$1,056.76 each
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Product Image of EZ 202 Portable Tankless Water Heater (LP)
$361.33 each
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Product Image of 199,000 BTU ACT-199O Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG)
$1,960.43 each
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Product Image of 30 Gallon - 27,000 BTU Defender Safety System Atmospheric Vent Energy Saver Residential Water Heater (Nat Gas)
$1,269.35 each
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Product Image of 48 Gallon - 61,000 BTU Defender Safety System Extra Recovery Energy Saver Residential Atmospheric Water Heater (LP Gas)
$1,711.80 each
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Product Image of 40 Gallon - 38,000 BTU Defender Safety System Direct Vent Energy Saver Residential Water Heater (Nat Gas)
$1,975.49 each
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Product Image of 50 Gallon - 40,000 BTU Defender Safety System TTW1 Power Vent Energy Saver Residential Water Heater (LP Gas)
$2,300.19 each
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Product Image of RTG-K-160-N1 INFINITI K Indoor Tankless Condensing Water Heater, 7 GPM (Natural Gas)
$1,758.45 each
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Product Image of 50 Gallon 40,000 BTU EF61 Short Professional Achiever Atmospheric Water Heater, 6 Year (NG)
$1,259.19 each
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Product Image of NRC661 120,000 BTU Outdoor Vent Condensing Residential Tankless Water Heater (LP)
$1,199.26 each
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Product Image of NRC98OD 180,000 BTU Outdoor Vent Condensing Residential Tankless Water Heater (NG)
$1,864.67 each
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Product Image of 199,000 BTU ATO-510 Non-Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG/LP)
$1,589.49 each
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Product Image of NR662 140,000 BTU Outdoor Residential Tankless Water Heater (LP)
$899.56 each
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Product Image of 48 Gal. 65,000 BTU Defender Safety System Extra Recov. Energy Saver Residential Atmos. Water Heater, Hi-Alt (NG)
$1,857.02 each
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Product Image of 50 Gallon - 50,000 BTU Defender Safety System Atmospheric Vent Energy Saver Residential Water Heater (Nat Gas)
$1,431.37 each
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Product Image of 50 Gallon - 40,000 BTU Defender Safety System High Efficiency Residential Atmospheric Water Heater w/ 10 Year Warranty (NG)
$1,681.26 each
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Product Image of 50 Gallon - 42,000 BTU Defender Safety System Solid Vent Energy Saver Residential Water Heater (NG)
$2,377.58 each
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Product Image of 40 Gallon XCR-40 36,000 BTU ProLine Plus High Efficiency Residential Gas Water Heater, 10 Yr Warranty - Tall (LP)
$1,298.64 each
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Product Image of SmartHome 140,000 BTU Indoor Tankless Water Heater w/ Voice Commands (6.8 GPM, NG)
$699.00 each
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Product Image of Greentherm T-9800 SE 160 NG Tankless Water Heater (160000 BTU)
$2,463.67 each
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Product Image of Greentherm T 9900 SE 199 NG Tankless Water Heater
Greentherm T 9900 SE 199 NG Tankless Water Heater
SKU: 7736503731
Bosch
SKU: 7736503731
Brand: Bosch
$3,243.22 each
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Product Image of 50 Gallon GUR-50 40,000 BTU ProLine Residential Gas Water Heater, Ultra-Low NOx - Tall (NG)
$1,481.41 each
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Product Image of 40 Gallon GURL-40 40,000 BTU ProLine Residential Gas Water Heater, Ultra-Low NOx - Short (NG)
$1,268.71 each
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Product Image of 50 Gallon GURT-50L 50,000 BTU ProLine Residential Gas Water Heater, Ultra-Low NOx - Tall (NG)
$2,097.48 each
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Product Image of EZ98DV 180,000 BTU Indoor/Outdoor Residential Tankless Water Heater (NG)
$1,753.08 each
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Product Image of EZTR75 199,000 BTU Multi Vent Condensing Tankless Water Heater Bundle Pack (LP)
$2,949.42 each
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Product Image of 74 Gallon FCG-75 75,100 BTU ProLine High Recovery Res. Water Heater w/ Side-Mounted Taps, 6 Yr Wnty - Short (NG)
$1,651.20 each
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Product Image of 40 Gallon GCF-40 40,000 BTU ProLine Series 100 High Efficiency Residential Gas Water Heater - Tall (NG)
$1,350.83 each
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Product Image of 40 Gallon GCFL-40 40,000 BTU ProLine XE Series 100 High Efficiency Residential Gas Water Heater - Short (LP)
$1,370.05 each
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Product Image of 40 Gallon GCRL-40 40,000 BTU ProLine Residential Gas Water Heater w/ Side-Mounted Taps - Tall (NG)
$989.36 each
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Product Image of 40 Gallon GCRL-40 36,000 BTU ProLine Residential Gas Water Heater w/ Side-Mounted Taps - Tall (LP)
$1,038.10 each
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Product Image of 50 Gallon GCR-50 40,000 BTU ProLine Residential Gas Water Heater - Tall (NG)
$1,078.98 each
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Product Image of 50 Gallon GCRX-50 54,000 BTU ProLine High Recovery Residential Gas Water Heater, 6 Yr Warranty - Tall (LP)
$1,724.90 each
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Product Image of 55 Gallon GCRX-55 60,000 BTU ProLine High Recovery Residential Gas Water Heater, 6 Yr Warranty - Tall (NG)
$1,947.64 each
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Product Image of ACI-CRS-26IL-N 398,000 BTU Commercial Indoor Tankless Rack System - Free-Standing In-Line (NG)
$8,079.46 each
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Product Image of 398,000 BTU Commercial Outdoor Tankless Rack System - Free Standing Back-To-Back (NG)
$8,079.46 each
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Product Image of ACO-CRS-26IL-N 398,000 BTU Commercial Outdoor Tankless Rack System - Free-Standing In-Line (NG)
$8,079.46 each
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Product Image of 140,000 BTU ATO-110 Non-Condensing Ultra-Low NOx Outdoor Tankless Water Heater (NG/LP)
$924.50 each
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Product Image of 160,000 BTU ATO-240HX3 Condensing Ultra-Low NOx Outdoor Tankless Water Heater w/ X3 Scale Prevention (LP)
$1,683.13 each
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Product Image of 50 Gallon - 65,000 BTU Residential Combi2 Atmospherically Vented Water Heater (LP)
$4,484.51 each
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Product Image of 34 Gallon BSS-150 150,000 BTU Polaris High Efficiency Power Direct Vent Comm. Water Heater (NG)
$7,569.92 each
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Product Image of T-H3J-DV-N Indoor Tankless High Efficiency Condensing Water Heater (NG)
$1,043.02 each
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Product Image of T-H3J-OS-N Outdoor Tankless High Efficiency Condensing Water Heater (NG)
$1,040.87 each
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Product Image of T-H3S-OS-P Outdoor Tankless High Efficiency Condensing Water Heater (LP)
$1,291.42 each
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Product Image of 40 Gallon HWRL-40 ProLine Master Atmospheric Vent Residential Gas Water Heater Short Model (NG)
$1,170.12 each
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Product Image of 50 Gallon - 34,000 BTU Defender Safety System Atmospheric Vent Energy Saver Residential Water Heater (Propane)
$1,340.92 each
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