Water Chillers & Heaters

National Hydro Group is your online source for Water Chillers & Heaters. If you cant find the Water Chillers & Heaters that meet your needs please give us a ring or send a quick email so we can help you find exactly what you're looking for.
EcoPlus Commercial Grade Water Chiller 1 HP-NWGSupply.com
Save 20%
$1,419.95
$1,130.00

EcoPlus Commercial Grade Water Chiller 1 HP

Eco Plus

Suitable for use with reservoirs, hydroponic systems & aquariums. Features a commercial-grade titanium heat exchanger for optimum performance a...

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$1,419.95
$1,130.00
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Active Aqua Chiller with Power Boost, 1/10 HP-NWGSupply.com
Save 16%
$382.99
$323.17

Active Aqua Chiller with Power Boost, 1/10 HP

Active Aqua

Active Aqua chillers are environmentally friendly (they use R410a refrigerant) and are ideal for keeping the nutrient solution in your reservoir a...

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$382.99
$323.17
Save 16%
EcoPlus 1/10 HP Chiller-NWGSupply.com
Save 21%
$465.50
$368.95

EcoPlus 1/10 HP Chiller

Eco Plus

The EcoPlus Chillers are suitable for use in reservoirs, hydroponic systems & fresh or saltwater aquariums. Each chiller provides a high perfor...

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$465.50
$368.95
Save 21%
ActiveAqua Chiller, refrigeration unit 1/4 HP-NWGSupply.com
Save 14%
$526.99
$454.95

ActiveAqua Chiller, refrigeration unit 1/4 HP

Active Aqua

Active Aqua’s chillers are environmentally friendly (they use R134Aa refrigerant) and are ideal for keeping the nutrient solution in your reservoi...

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$526.99
$454.95
Save 14%
Glass Reservoir Heater 100W-NWGSupply.com
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$30.99
$21.69

Glass Reservoir Heater 100W

Hagen

Features include:• Submersible heater • Easy-to-access temperature set dial• Easy-to-read temperature settings• On/Off pilot light indicator• Water...

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$30.99
$21.69
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Titanium Submersible Reservoir Heater-NWGSupply.com
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$39.95
$33.56

Titanium Submersible Reservoir Heater

Active Aqua

Features Ideal for reservoirs under 65 gallons Safe and reliable Adjustable temperature setting from 68 to 93 F Easy to read temperature indicator...

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$39.95
$33.56
Save 16%
EcoPlus 1/10 HP Chiller Fitting Kit (728695)-NWGSupply.com
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$9.99
$7.98

EcoPlus 1/10 HP Chiller Fitting Kit (728695)

Eco Plus

The EcoPlus® Chillers are suitable for use in reservoirs, hydroponic systems and fresh or saltwater aquariums. Each chiller provides a high perform...

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$9.99
$7.98
Save 20%
Active Aqua Chiller with Power Boost, 1/2 HP-NWGSupply.com
Save 21%
$946.99
$743.95

Active Aqua Chiller with Power Boost, 1/2 HP

Active Aqua

Active Aqua’s chillers are environmentally friendly (they use R134a refrigerant) and are ideal for keeping the nutrient solution in your reservoir...

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$946.99
$743.95
Save 21%
Hydor Theo Heater 300 Watt for 53-80 Gallons-NWGSupply.com
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$51.45
$36.61

Hydor Theo Heater 300 Watt for 53-80 Gallons

Hydor

Theo reservoir & aquarium heaters have all the necessary features for safe and precise temperature maintenance of the water in your tank or res...

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$51.45
$36.61
Save 29%
Hydor Theo Heater 200 Watt for 26-53 Gallons-NWGSupply.com
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$44.45
$31.71

Hydor Theo Heater 200 Watt for 26-53 Gallons

Hydor

Theo reservoir & aquarium heaters have all the necessary features for safe and precise temperature maintenance of the water in your tank or res...

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$44.45
$31.71
Save 29%
Glass Reservoir Heater 50W-NWGSupply.com
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$29.99
$20.99

Glass Reservoir Heater 50W

Hagen

Features include:• Submersible heater • Easy-to-access temperature set dial• Easy-to-read temperature settings• On/Off pilot light indicator• Water...

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$29.99
$20.99
Save 30%
Glass Reservoir Heater 300W-NWGSupply.com
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$38.99
$27.29

Glass Reservoir Heater 300W

Hagen

Features include:• Submersible heater • Easy-to-access temperature set dial• Easy-to-read temperature settings• On/Off pilot light indicator• Water...

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$38.99
$27.29
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Hydor Theo Heater 400 Watt for 80-105 Gallons-NWGSupply.com
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$54.45
$38.71

Hydor Theo Heater 400 Watt for 80-105 Gallons

Hydor

Theo reservoir & aquarium heaters have all the necessary features for safe and precise temperature maintenance of the water in your tank or res...

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$54.45
$38.71
Save 29%
EcoPlus Aqua Heat Titanium Heater 300 Watt-NWGSupply.com
Save 25%
$38.95
$29.26

EcoPlus Aqua Heat Titanium Heater 300 Watt

Eco Plus

Heater tube is fully submersible. Automatic electronic heater. Double heating tube. Very durable and reliable. Easy temperature control. Ideal for ...

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$38.95
$29.26
Save 25%
Glass Reservoir Heater 200W-NWGSupply.com
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$35.99
$25.19

Glass Reservoir Heater 200W

Hagen

Features include:• Submersible heater • Easy-to-access temperature set dial• Easy-to-read temperature settings• On/Off pilot light indicator• Water...

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$35.99
$25.19
Save 30%
EcoPlus Aqua Heat Titanium Heater 200 Watt-NWGSupply.com
Save 28%
$36.95
$26.60

EcoPlus Aqua Heat Titanium Heater 200 Watt

Eco Plus

Heater tube is fully submersible. Automatic electronic heater. Double heating tube. Very durable and reliable. Easy temperature control. Ideal for ...

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$36.95
$26.60
Save 28%
EcoPlus 1/4 HP Chiller-NWGSupply.com
Save 19%
$524.95
$425.95

EcoPlus 1/4 HP Chiller

Eco Plus

The EcoPlus® Chillers are suitable for use in reservoirs, hydroponic systems and fresh or saltwater aquariums. Each chiller provides a high perform...

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$524.95
$425.95
Save 19%
Active Aqua Chiller with Power Boost, 1 HP-NWGSupply.com
Save 22%
$1,416.99
$1,108.54

Active Aqua Chiller with Power Boost, 1 HP

Active Aqua

Active Aqua’s chillers are environmentally friendly (they use R134a refrigerant) and are ideal for keeping the nutrient solution in your reservoir ...

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$1,416.99
$1,108.54
Save 22%
Eco Plus Commercial Grade Chiller Fitting Kit-NWGSupply.com
Save 15%
$14.95
$12.75

Eco Plus Commercial Grade Chiller Fitting Kit

Eco Plus

Suitable for use with reservoirs, hydroponic systems & aquariums. Features a commercial-grade titanium heat exchanger for optimum performance a...

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$14.95
$12.75
Save 15%
EcoPlus 1/2 HP Chiller Fitting Kit (728702)-NWGSupply.com
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$13.99
$10.49

EcoPlus 1/2 HP Chiller Fitting Kit (728702)

Eco Plus

Fight warm water problems with an EcoPlus® Water Chiller! Digital control system for accurate, stable water temperature that helps to keep your res...

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$13.99
$10.49
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Active Aqua Chiller Fitting Kit for AACH100-NWGSupply.com
Save 10%
$14.95
$13.46
Save 10%
Active Aqua Chiller 1/2" Fitting Kit: for AACH25 & AACH50-NWGSupply.com
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$8.95
$8.06
Save 10%
Active Aqua Chiller 3/4" Fitting Kit for AACH10-NWGSupply.com
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$6.95
$6.67
Save 4%
EcoPlus 1/4 HP Chiller Fitting Kit (728700)-NWGSupply.com
Save 25%
$11.99
$8.99

EcoPlus 1/4 HP Chiller Fitting Kit (728700)

Eco Plus

The EcoPlus® Chillers are suitable for use in reservoirs, hydroponic systems and fresh or saltwater aquariums. Each chiller provides a high perform...

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$11.99
$8.99
Save 25%