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What is Legionnaires’ disease? Legionnaires’ disease is a form of pneumonia with all the related symptoms: fever, muscle pains, and constant shaking. A fatal disease, Legionnaires’ disease can be contracted directly from your water system if not properly maintained. How? Legionnaires’ disease spreads through a form of bacteria known as legionella, which love to live …

Many HVAC appliances have a component that is known as a “heat exchanger.” They come in many forms, but it is the metal that composes your heat exchanger that often makes one of the biggest impacts. What this piece of metal does is transfer heat from one fluid (e.g., hot water in your water heater) to another …