Ventilation is essential in every home. Modern air sealing techniques can reduce air leakage to a point where contaminants with adverse health effects such as volatile organic compounds, formaldehyde, and radon are trapped inside your home. This is where ventilation systems come in handy. Ventilation systems help control these impurities and moisture levels, which may lead to mold growth and structural damage. When finding the ideal ventilation for your home, you must consider certain factors. One such factor is your home’s power supply. Ventilation systems need some power for them to function. Even though older mechanical ventilation systems ran by hand or clockwork power, the latest ventilation systems are powered by gas, electricity, or other energy sources. Considering the home’s power supply will help determine the kind of ventilation system you will find. The power sources for homes are typically three, natural gas, solar power, or electricity. Gas-powered HVAC systems were common up through the 1960s. However, consumers turned away from it due to its reputation of being highly inefficient. They have recently made a comeback in residential and commercial applications and have proven to work efficiently in HVAC systems. The next way is solar power. Technological advances have made it possible to power and run HVAC systems using solar power, significantly cutting back on the overall energy costs in your home. The other power source is electricity, which is the most commonly used. When finding your ventilation system, the issue of energy efficiency is particularly important.