Marey offers the Marey 20L Outdoor Natural Gas Tankless water heater with a powerful 6 gallon per minute offering of fresh hot water. This is enough hot water to supply most 1 to 2 1/2 bath homes. The unit is sleek and stylish and full of innovative components such as an indoor remote temperature control. The Marey 20L is easy to install, is water proof and requires no venting. You simply mount it outside. This unit is idaal for homes, apartments, businesses and anywhere where you need an uninterrupted supply of fresh, hot water.

The Marey NG 10L Gas Tankless water heater uses a 2 D cell battery ignition, so there is no need for electricity. You connect the unit to a standard natural gas line, which saves you money and energy. It is available in natural and LP gas. This unit is ideal for a 1 1/2 bath home, an apartment, office or mobile and modular homes.

The Marey NG 40-FI Natural Gas Inside Mount Tankless water heater features a power vent and an ignition system that runs off of a 110 volt plug-in cord. This whole house unit is great for a 1 to 2.5 bath home and features an electric ignition and digital temp/water controls. This water heater turns on automatically when water flows through it and when the water is not flowing, it turns itself off.

The Marey LPG 5L Propane Gas Tankless water heater uses a 2 D cell battery ignition so no electricity is needed. This unit is ideal for RVs, boats, at the campground, cottages, cabins and concession trailers. Your water will get hot instantly and the heat resistant metal body is sturdy and is easy to install.

Perfect for the small home or for an apartment, cottage or cabin, the Marey Power Pak Plus series electric tankless water heaters provides an endless supply of hot water-up to 2 gallons per minute. As with all the Marey tankless water heaters, two units easily link together in parallel for higher demands. This water heater by Marey is a "point of use" heater that is to be connected either inline for your entire house or can be easily installed under a sink. You have full control of the amperage needed with the 4 setting power control.

You will enjoy up to 40% energy savings with a Rinnai tankless water heater. The units are highly efficient and only heats the water when it is needed. When the demand ceases, the unit shuts down and uses zero energy-a revolutionary advantage over the big and bulky inefficient tank heaters.

With a Rinnai tankless water heater, you will get a reliable and durable copper heat exchanger and a typical life span of 20 or more years-that is twice as long as the old tank water heater's life span. Plus, the traditional tank water heat has an awful buildup of rust and sediment that collects in the tank-where the water you drink and bathe in is stored. With the Rinnai tankless heaters, no water is stored, so you only get fresh and clean hot water because the water is heated as it passes through the unit.

Being about the size of a small suitcase, the Rinnai tankless unit can be installed on virtually any wall on the inside or outside of your home. Rinnai offers you a line of controllers that makes it very easy to set the hot water temperatures for multiple locations in your house with maximum comfort and to prevent scalding mishaps.

Rinnai R75LSi Natural Gas Indoor Tankless Water Heater, 7.5 GPM List Price: $1,194.00 Sale Price: $879.00 You save: $315.00 (26%) Availability: Usually ships in 24 hours   Eligible for free shipping! 2 new from $879.00

Rinnai R75LSe Natural Gas Tankless Water Heater, 7.5 GPM List Price: $1,224.00 Sale Price: $1,149.69 You save: $74.31 (6%) Availability: Usually ships in 24 hours   Eligible for free shipping! 1 new from $1,149.69

Rinnai R94LSi Natural Gas Indoor Tankless Water Heater, 9.4 GPM List Price: $1,484.00 Sale Price: $1,139.99 You save: $344.01 (23%) Availability: Usually ships in 4-5 business days   Eligible for free shipping! 1 new from $1,139.99

Rinnai RC98HPi Indoor Natural Gas Condensing Tankless Water Heater, 9.8 GPM List Price: $1,950.00

The R50LSi model by Rinnai is a great looking unit and is perfect for the average 2 to 3 bedroom home. You will get up to five gallons of water per minute with this unit.

Rinnai tankless water heaters come is eight models, ranging from units suited for the smaller home like the R50LSi model, to the R98LSi model that is perfect for the large home and is ideal for commercial applications. No matter what your hot water demands are - either for your home, commercial or special application, Rinnai makes a tankless water heater that is designed for you.

Noritz tankless water heaters heat water on demand. You never have to worry about running out of hot water again with a Noritz. Your hot tub, showers and washing machine will be supplied constantly with all the hot water you desire.

Noritz offers a multi-system set up that easily links up to 24 units, which means 317 gallons of hot water per minute. That is enough hot water to take over 126 showers at one time! With that kind of capacity, Noritz tankless heaters meet any hot water demand in today's busy homes.

Tankless Water Heater by Noritz - N-132M-ASME-NG in N/A List Price: $4,599.00 Sale Price: $4,149.88 You save: $449.12 (10%) Availability: Usually ships in 4-5 business days   Eligible for free shipping! 1 new from $4,149.88

Tankless Water Heater by Noritz - N-0751M-NG in N/A List Price: $1,299.00 Sale Price: $1,224.00 You save: $75.00 (6%) Availability: Usually ships in 2-3 business days   Eligible for free shipping! 1 new from $1,224.00

The water is heated when it passes through the Noritz tankless heater, so you always will be using a fresh supply of water. The old, big and bulky hot water heater tanks build up with sediment and rust, and since the water is stored there, this is the type of hot water you receive through your tap.

The Noritz tankless water heaters can be installed virtually anywhere, thanks to their small size. On top of that, you will save an incredible amount of energy, thus saving you a lot of money with a Noritz. There is no need for a pilot light, and you will cut your water heating cost in half. With a Noritz in your home, you will get an 83-94% energy efficiency level, making these units very eco-friendly and "green".

Noritz tankless water heaters are extremely well designed and durable and are made to last longer than the old tank type of water heater. They require very little maintenance throughout their lifetime, and should it need to be serviced, every part of the tankless heater can be replaced and repaired.

For residential use, the Noritz N-0931M series is designed for high capacity usage such as houses with multiple bathrooms or homes with many appliances ranging from washers, sinks, showers to jacuzzi sized bath tubs, etc that run at the same time. This series is Quick-Connect capable and has a Turbo-Flow feature that ensures you get an endless supply of hot water. You are offered three venting options for indoor/outdoor venting, outdoor only or sealed combustion, indoor only venting.

The Noritz N-0531S series is just right for apartments, condos and townhouses that normally have 1 to 3 showers. For even heavier residential hot water demands, the N-0751M series can easily accommodate those homes with three showers.

Noritz also offers a full line of compact tankless hot water heaters for commercial spaces. For those heavy-duty industrial demands, up to 24 ASME certified tankless units can be linked together with one single system controller. The N-1321M is one of the market's largest capacity commercial tankless hot water heater. It maximizes the hot water output and allows you to install 24 units together.

For those commercial applications that have limited space, the N-0931M-DV is a sealed combustion unit that is perfect for businesses that may have contaminants in the air such as hair salons and restaurant kitchens. This unit is also Multi-System and Quick Connect capable.

There are five AH models in the American Heat range ranging from 16 KW at 240 volts and with a range from 66 amps to 112.5 amps.

Each American Heat tankless water heater utilizes the same parts and high technology, but have varying sizes and number of heating elements.

Each Santon tankless water heater is limited to output or GPM and will vary, all depending on the incoming water temperature and your demands. For accommodating large homes and applications, the Santon tankless water heater has been designed to be installed in parallel. You are able to produce how much hot water you need by installing additional Santon tankless water heaters in a configuration.

The Santon tankless water heaters do not have a storage tank that it must keep heated all day long, as it only uses electricity when you need hot water. This eliminates standby heat loss and you can save up to a big 50% off your utility costs with a Santon tankless water heater.

The Santon Aquarius line of tankless water heaters are oversink units that have an inlet valve, that when opened, lets the cold water enter the heater and that hot water is stored in the cylinder. The Aquarius oversink water heaters are available in 7 and 10 liter capacities.

The Santon Power Pack HP 924M is perfect for the whole house or for any commercial application and it is designed to last for more than 20 years. It is super efficient and saves you water, space and money compared to a conventional tank water heater.

The Santon Power Pack is a compact water heater that produces instantaneous water heating that is suited to supplying hot water to a remote area, such as a garage.

The Santon tankless water heaters are produced in the UK and are highly efficient and reliable.

The Rheem tankless water heaters are unique because they give you ample hot water up to 180 degrees F continuously over an extended period of time. If you have a commercial space, you will benefit from Rheem's exclusive manifold capabilities for up to 20 tankless units. The manifold capability requires just one modulating controller and one remote control.

For home usage, regardless of the size of your home or your hot water needs, an innovative Rheem tankless whole home system gives you low cost hot water when and where you need it. A whole home tankless system by Rheem is a smart choice with today's rising energy costs. The tankless water heaters by Rheem give you enough hot water to run up to three appliances at the same time and for extended periods. The advanced technology and electronic controls are designed to give you trouble-free performance.

Rheem RTG-66DVN Direct Vent Natural Gas Tankless Water Heater for 2-3 Bathroom Homes List Price: $1,000.00

RHEEM 141KBTU Outdoor Tankless Water Heater Propane

Every Rheem tankless water heater comes with a digitally controlled thermostat that allows you to adjust the maximum water temperature that is just right for you. Mothers particularly love this feature because they are ensured that the water is not too hot for their kids.

By installing a Rheem tankless hot water heater you are making a very wise investment. You will save substantially on your energy spending and because Rheem is know for its reliable and quality products, you will get greatly appreciated peace of mind.

The T-K Jr is the smallest unit offered by Takagi in the tankless water heaters. It is perfect for the small apartment and radiant heating applications. The T-K Jr. can meet all of the hot water needs for a small home or an apartment that has one or two bathrooms as well as for a small office space. The T-K Jr. can be wall mounted and it has an efficiency rating of 81% using natural gas and 83% with natural gas.

The T-K3-SP model is for light residential use and can be used for special projects. It weighs just 40 pounds and is only 13.8 inches wide, so the ultra-compact design lets you mount it on a wall. This unit begins heating water at 1/2 gallon per minute and keeps the endless supply of hot water running to a maximum flow rate of 7 gallons per minute.

For installing outdoors, the T-K3-OS model has a built-in power venting system and it does no require any additional Category III venting or vent caps. This model has a thermal rating of 83% for natural and propane gas so it is extremely efficient and environmentally friendly. It only burns gas when you need hot water, so installing this water heater can help you save up to a whopping 45% off your monthly home gas bill. You are offered four temperature settings that range from 113 to 167 degrees.

Takagi offers the Mobius T-M32 that is designed for heavy-duty commercial use. You may install in indoors or outdoors or with a direct vent and you are able to connect up to 20 units and generate over 180 GPM by using a multi-controller unit.

TAKAGI TM-1 Mobius Tankless Water Heater T-M1

Takagi T-K3-N Natural Gas Tankless Water Heater - 199k BTU List Price: $1,314.00 Sale Price: $986.00 You save: $328.00 (25%) Availability: Usually ships in 6-10 business days   Eligible for free shipping! 1 new from $986.00

The Mobius T-M50 or "The Monster" as it is called, is designed for commercial applications. This unit features a dual-combustion system for added redundancy. In the case of an emergency, if one system fails, the other systems continues to run. You can easily link up to four units together with the T-M50 and you can connect up to 10 units and generate over 140 GPM. The T-M50 uses HRS copper-the highest grade copper in the industry, so it is very resistant to erosion and leakage.

Rounding out the Takagi tankless water heater line is the Mobius T-K3-Pro. This model offers you all of the features of the T-K3 and utilizes HRS-35 copper alloy for the heat exchanger tubing. Use this water heater for heavy residential use such as space heating and domestic recirculation systems.

The Takagi tankless water heaters are efficient, reliable and the logical way to get hot water to your home, business or commercial space, as you will save both money and space.

Being about the size of a Yellow Pages phone book, Titan tankless water heaters save space and can be installed almost anywhere inside your home. Generally the units are installed where your old tank heater used to be. You only need a minimum of 12 inches of clearance from the top of the Titan tankless unit to the ceiling, so imagine the space that you will be saving!

These water heaters can be used with PVC, PVX or other similar pipes and you just need to use 36 inches of copper piping at the inlet and outlet to act as a buffer between the Titan and your plastic tubing.

The Titan tankless water heaters are extremely resistant to hard water as the heating elements are housed inside very rugged copper and brass chambers. The Titans also work with well water systems because they are designed to operate in the range of between 5 and 21 PSI.

The Titan tankless water heaters not only save you space and money, but they are healthier too. Bacteria, rust and sediment accumulates in a standard tank model. By replacing your bulky conventional tank water heater, the water is heated only once with the Titans. Have you ever seen the sediment and rust that sits at the bottom of your standard tank heater after just two years of use? It is shocking to see, plus bacteria can thrive in the temperatures that are maintained in the old tank heaters.

titan List Price: $425.00 Sale Price: $258.95 You save: $166.05 (39%) Availability: Usually ships in 1-2 business days   Eligible for free shipping! 2 new from $258.95

With a Titan tankless water heater, when you turn on the hot water faucet a sensor turns on the heating elements/heat exchanger and a computer chip selects the correct power based on the heat setting and flow rate you select. The water flows across the internal heating elements and comes out of the faucet at the temperature you selected. This start-up process only takes a couple of seconds. Then as soon as you turn off the faucet, the unit turns off completely, saving you money and eliminating stand-by heating loss.

So if you are tired of running out of hot water, want to save a considerable amount of electricity and have hot water on demand that is fresh and reliable, the Titan tankless water heaters are the solution for you!