The top brands are Takagi, Paloma, and Bosch.You could argue about the rest and it's not possible to give an answer that wouldn't be disputed.Bosch probably has the best support.
form_title= Tankless Water Heater form_header= Repair or install a tankless water heater in your home! Do you need a tankless water heater repaired or installed?*= () Repaired () Installed What size water heater do you need?*= _  What is your budget on the water heater?*= _ 
You can purchase a tankless water heater from Rinnai. Rinnai is a popular site where you can purchase a tankless water heater. Also you can check energy star as well for a water heater as well.
form_title= Tankless Hot Water Heater form_header= Save money with a tankless hot water heater. Do you need to remove an old water heater?*= () Yes () No Do you want an energy efficient water heater?*= () Yes () No Where will you be installing the hot water heater?*= _ 
A tankless water heater is much more efficient as it "flash" heats the water.
The average time it takes a tankless water heater to provide water for usage is immediate. The water in continuously hot for your usage. The average tankless water heater has a life expectancy for 20 years.
The primary advantage to having a tankless water heater is that it saves energy. The water heater will eventually save money and end up helping the environment.
If you have a barnett in your area get a Noritz 531 there are indoor and outdoor models and natural gas and LP models. WATER SOFTENER IS RECCOMENDED FOR ANY TANKLESS WATER HEATER IF HARD WATER IS PRESENT. I power my house with this but i only have one bathroom. I do not reccommend electric tankless
form_title= Tankless Water Heaters form_header= Hot water without the tank. DO you need to remove an old water heater?*= () Yes () No When do you want the water heater installed?*= _  What is your budget for a water heater?*= _ 
Buying a tankless water heater can be tricky because different places may charge numerous different amounts for what you are wanting. Your best bet is to call local places, and more well known companies, and search out your best deal.
Bosch AquaStar 2400ES-NG (Natural Gas) Tankless Water Heater will provide a endless supply of water heater.
While tankless water heaters are significantly more efficient than traditional water heaters, it can take up to 22 years to break even on the cost, due to the initial expense of the tankless water heater itself. Unfortunately, by the time the tankless water heater starts to pay for itself, it will likely have exceeded its 20-year lifespan. http://www.consumerreports.org/cro/appliances/heating-cooling-and-air/water-heaters/tankless-water-heaters/overview/tankless-water-heaters-ov.htm
A tankless water heater provides on-demand hot water. The following guide provides simple tips when installing a tankless hot water heater. A tankless hot water heater is usually mounted on a wall, near a fresh water source. Most tankless hot water heaters are installed next to the cold water tank, or the home entry point of a municipal water supply. Using a PVC bracket, attach the hot water system to the water supply. After attaching the intake, attach the water output to the adjacent pipe. Make sure all gas and electrical connections are secured before turning on the tankless hot water system.
A tankless water heater can be advantageous because they are mostly instant and only the water needed is heated. They save energy because there is little energy wasted heating water that will not be used.
A tankless electric water heater is a special kind of heater that heats water that flow in a pipe by either an electric element or a gas burner. Such heater can be found in stores like Home Depot and of course Amazon.
The energy saving potential of tankless water heaters has led many consumers to consider replacing their storage tank water heaters with tankless models. Tankless water heaters only heat water when it is needed. The U.S. Department of Energy estimates a tankless heater can reduce water heating costs by up to 30 percent. The small size of the tankless heaters is also attractive where there is limited space. And, although there may be some maintenance costs, tankless heaters should last longer than storage tank water heaters. However, the initial cost of a tankless water heater is significantly higher than the price of a new storage water heater. Forty to fifty gallon standard storage water heaters cost from $300 to $650 at a major home store. The same store sells a 7.4 gallon per minute tankless water heater for $1,200. The cost of installing a tankless water heater is also significantly higher. Local plumbers, home stores and handymen have competitive pricing on the installation of storage water heaters. It is a quick job for an experienced installer. A tankless heater may require costly electrical work and new gas piping. The more complex installation process can be time consuming and may require specialized workers. In a 2008 article, “Consumer Reports” estimated that it would take 22 years of energy savings to recoup the higher cost of a tankless water heater. Energy rebate programs and tax credits may be available to reduce the net cost of a tankless heater or a highly efficient storage tank heater. Check programs sponsored by government agencies and utility companies before deciding on a purchase since discounts, rebates and other incentives can help a tankless water heater pay for itself in significantly less time. Rising energy costs may also make a tankless heater a more attractive financial proposition. Of course, cost savings are not the only reason to purchase a tankless water heater. Some consumers are focused on reducing their energy use. Recovering the cost of switching to a tankless heater is less important to them. If your priority is reducing your carbon footprint, a tankless water heater can help accomplish that objective.
Tankless water heaters are available at most hardware/construction retail stores or online stores. Tankless water heater are much more expensive than regular water heaters.
The market share of bosch tankless water heater is actually a lot. They work with many different communities and have many partnerships going on around them.
Depends on the size. The average tankless water heater delivers two gallons per minute
As long as the heater is made for propane.
When you purchase a tankless water heater it will have instructions on how to install the item. Tankless water heaters normally run anywhere from $120 to $2,000. The replacement cost is between there. However, most have warranties.
The easiest and most obvious way to get a Takagi tankless water heater is the Takagi website, on which they offer a wide variety of their products directly without a seller in between.
A water heater usually heats water stored in a tank and then sends it into the pipeline. A tankless water heater has no tank and heats the water during its passage and so heats the water only when one asks for it.
Tankless water heaters only heat water on demand, rather than storing hot water. They save money and energy while still providing quick hot water and are easily repaired. A tankless water heater will pay for itself in savings within one to five years.
I am seeing there are quite a few different models of the Bosch Tankless Water Heater. But from what I see I would say that the average price is about $300 - $500 so good luck with that.
Tankless gas water heater have a wide range or prices depending on the brand, length and the amount of gallons. The prices and go as low as $200 to nearly $2000.