When it involves house heating, selecting the best furnace measurement is essential for comfort, effectivity, and cost-effectiveness. One of the crucial widespread pitfalls residenceowners encounter is choosing a furnace that's either too big or too small for their needs. To avoid this, it's crucial to understand the relationship between BTUs (British Thermal Units) and square footage, and how these measurements factor into furnace sizing. What Are BTUs? BTUs, or British Thermal Units, mea...