Understanding Your HVAC System: A Homeowner’s Complete Guide

If you’re like most homeowners, your HVAC system is one of those things you rely on daily but rarely think about—until it stops working. Familiarizing yourself with how it functions can help you make smarter choices when it comes to maintenance, repairs, or upgrades. At Dempsey Energy, we help homeowners across Plymouth, Bristol, and Norfolk County stay comfortable year-round with reliable heating and cooling services. Whether you have a central air system, a mini split, or something in between, this guide walks you through what every homeowner should know, from airflow to energy efficiency.