Sat, 02 May 2026 16:41:40 +0000

Why Your Gas Furnace Is Costing You More Than You Think If you’re seeing your gas bill creep higher each month, your gas furnace may be hiding hidden inefficiencies that drive up energy costs far beyond its expected consumption. While gas furnaces are reliable for heating your home, several factors often inflate operational expenses—factors many homeowners overlook. Understanding these hidden costs can help you save money, extend your furnace’s lifespan, and make informed decisions about upgrades or maintenance. ### 1. Age and Efficiency: The Hidden Cost of Outdated Systems Most gas furnaces last 15–20 years, but many older models operate at less than 80% efficiency. Older units lack modern high-efficiency components like modulating burners, variable-speed blower motors, and smart thermostats that adjust heating output based on demand. As a result, they burn more fuel to achieve the same warmth—meaning bigger bills for lower outputs. Upgrading to a ENERGY STAR®-certified furnace can cut energy use by 20–40%, translating to hundreds in annual savings.