40-Year-Old Furnace Replaced With a Modern 80% Efficient Unit

Here's what 40 years of service looks like on a furnace. Rust creeping across the cabinet, exposed wiring that's seen better days, and components that were never designed to meet today's safety codes. At some point, repairs stop making sense - and that point had clearly arrived here.

We pulled the old unit out and brought in a new ComfortAire 80% efficient gas furnace. That jump in efficiency isn't just a number. It means the system is converting 80 cents of every dollar of gas into usable heat. Compared to what a furnace from the 1980s is typically putting out, that's a meaningful difference in your monthly heating bill.

The installation side of things matters just as much as the equipment itself. We sealed the ductwork connections properly using foil tape rated for HVAC applications, ran the new flue venting cleanly, and made sure everything was brought up to current code. That's not optional - it's the baseline for a safe, legal install.

A 40-year-old furnace isn't just inefficient. It's a potential carbon monoxide risk, an insurance concern, and honestly, a system that's borrowing time. Getting ahead of a failure - especially before it leaves you scrambling in the cold - is always the smarter move.

We do furnace replacements and furnace repairs of all kinds. Whether your system is showing its age or you're dealing with something that needs a fix now, we're the crew that gets it done right the first time.