If your home is using a tankless water heating system, you may have noticed that when the hot water demand in your home is high, your system has difficulty keeping up. A good example of this is when you run a hot bath – the water ends up being lukewarm or even cold. This is because your system is struggling to produce enough hot water fast enough to meet the demand of filling your bathtub.

This is how a tankless system works: a tankless coil water heater provides hot water on demand without a tank. When a hot water faucet is turned on, water is heated as it flows through a heating coil or heat exchanger installed in a main furnace or boiler. Tankless coil water heaters are most efficient during cold months when the heating system is used regularly but can be an inefficient choice for many homes, especially for those in warmer climates.

A smarter alternative that will not only meet a high demand for hot water but also increase efficiency during the warmer months is an indirect system. An indirect water heater uses the main furnace or boiler to heat a fluid that circulates through a heat exchanger in the storage tank. The energy stored by the water tank allows the furnace to turn off and on less often – saving energy. An indirect water heater, if used with a high-efficiency boiler and well-insulated tank can be the least expensive means of providing hot water, especially if the heat source boiler is set to “cold start”. 

Indirect systems can be fired by gas, oil, propane, electric, solar energy, or a combination of any of these. Tankless systems are typically electric, oil, or gas-fired. These water heating systems work with forced air systems and hydronic or radiant floor heating systems.

Here at Mr. Cools Heating and Air, LLC we offer a few different options for indirect systems, including various sizes and brands to fit every household and budget. Contact us today at (678) 789-0832!

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