Each works to cool or heat the air, depending on the current temperature inside the home. Use this guide to answer the question: What is HVAC, and how does it work? HVAC is an acronym for heating, ...

and an overworked HVAC system. Periodically check that your home’s soffit ventilation, gable ventilation, or exhaust ventilation isn’t blocked or damaged, and check that your home has the ...

Modern mechanical ventilation systems are very effective because they run 24 hours a day, constantly bringing fresh air into ...

Home heating and air conditioning systems claim ... is to collect dust that will eventually make its way into the vent system. Clutter also reduces air circulation in the immediate area, which ...