Commercial water heaters are designed for applications that require larger amounts of hot water than residential use. Because of their larger size, they can be costly, but they are designed to minimize the difficulty of replacing failed water heaters and are versatile for new installations. The best commercial water heaters will often come with a warranty. Most commercial water heaters hold between 75 and 100 gallons of ready-to-use hot water or offer a tankless option. We have compiled a list of the top 8 commercial water heaters for 2019:
1. Rheem G75-75N Low Nox Natural Gas Universal Commercial Water Heater, 75 Gallon: $1,536.16, Amazon
This commercial water heater weighs 480 pounds and will hold 75 gallons of water. It uses natural gas and features 75,000 BTU. It has small jacket diameters and short floor-to-vent heights that make it ideal for any location. It has an LED diagnostic system and a patented design. It contains a low profile automatic flue damper and a spark-to-pilot ignition system. It has a factory installed AGA/ASME rated temperature and pressure relief valve along with a stainless steel burner that allows 180 degree max operating temperature. It comes with a 3-year tank warranty and a 1-year parts warranty.
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2. Rheem G100-200 Natural Gas Universal Commercial Water Heater, 100 Gallon: $2,749.00, Amazon
The Rheem G100-200 weighs 780 pounds and features a temperature and pressure relief valve along with natural gas use. It will hold 100 gallons of water and has a full port and flow brass drain valve. It also comes with a 3-year tank warranty and 1-year parts warranty and features 199,900 BTU. This commercial water heater has proprietary steel formulation and its space saver design make it ideal for any location.
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3. Rheem GHE100-200 Natural Gas Universal Commercial Water Heater, 100 Gallon: $5,344.87, Amazon
This commercial water heater will hold 100 gallons and weighs 229 pounds. It comes with a 3-year tank warranty and a 1-year parts warranty. It is a natural gas commercial water heater with 199,000 BTU. It is ideal for retrofits and has a maximum temperature setting of 180 degrees F. It also features an LED diagnostic system and direct spark-to-pilot ignition. The universal tank and space saver design make it ideal for any commercial location.
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4. Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater, Concentric/Twin Pipe Installation: $1,350.00, Amazon
The Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater weighs 82 pounds and, unlike a regular commercial water heater that holds a certain amount of water, this water heater will supply an endless amount of water. Its space saving design allows it to fit just about anywhere. This is the only manufacturer that offers both concentric and twin-pipe PVC venting. With one unit and two venting options, there is no adapter necessary to give you double the venting options. This unit also offers a 5-year warranty on the heat exchanger and parts, and a 1-year warranty on labor.
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5. Rheem G100-80 Natural Gas Universal Commercial Water Heater, 100 Gallon: $2,178.76, Amazon
This universal commercial water heater uses natural gas, weighs 540 pounds and will hold 100 gallons of water. It offers 75,000 BTU and is designed with space in mind; short height and small jacket diameters leave ample room in installation flexibility. Its rigid foam insulation provides exceptional quality and improves its efficiency, which reduces operating costs. The built-in gas pressure regulator will assure even gas flow, and the automatic control system is designed to shut off gas if the pilot flame is extinguished.
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6. AO Smith BT-100 Tank Type Water Heater with Commercial Natural Gas: $1,999.00, Amazon
The AS Smith BT-100 Tank Type Water Heater with Commercial Natural Gas weighs 350 pounds and will hold 100 gallons of water. It offers a 3-year warranty and a standing pilot. It is made with quality materials, is CSA certified and has a 4” vent.
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7. AO Smith BT-80 Tank Type Water Heater with Commercial Natural Gas: $2,390.56, Amazon
This commercial water heater uses natural gas and weighs 275 pounds. It will hold 80 gallons of water and offers a 3-year warranty. It is CSA certified and has a 4” vent along with a standing pilot.
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8. Rinnai RL94iP Propane Tankless Water Heater, 9.4 Gallons Per Minute: $1,183.26, Amazon
The Rinnai RL94iP Propane Tankless Water Heater offers an endless supply of water with its tankless heater. It flows at a rate of 9.4 gallons per minute and offers 199,000 BTU. It is 83 percent thermal efficient and weighs only 50 pounds. It is energy star certified and has a 12-year warranty on the heat exchanger and a 5-year warranty on parts. Its enhanced scale detection reduces the possibility of serious damage to the unit, and the temperature lock function prevents unintentional or unauthorized changes to the water temperature.
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There are many great commercial water heaters to choose from, but these are the top 8 for 2016. Hot water is a luxury that is often overlooked, but if you need it and it's not there you will want to purchase a water heater that is going to meet your specific needs and hold up over time. When looking at water holding capacity, tankless options, BTU ratings, and warranty options, there is sure to be a commercial water heater on this list that will function well for you and your needs.