In a recent paper published by Cornell University, the average national cost of central heating is 30 cents or more of every energy dollar. If your system seems to be working harder to accomplish the same job it once did, it may be a symptom of a larger problem that needs to be addressed. Understanding the basics of your central heating system will help you troubleshoot problems and keep your unit operating smoothly.
Two Basic Types
Central heating units work by moving air or liquids through conduits. In a fluid system, the heat is distributed via radiators. The fluid is usually [...]