What Homeowners Need to Know About the 2028 80% Furnace Phase-Out
If your home has an 80% efficiency gas furnace, you may have heard that major changes are coming in 2028. While you don't need to panic or immediately replace your furnace, homeowners should understand what the new federal efficiency standards could mean when it's eventually time for a replacement.
Beginning December 18, 2028, new federal energy-efficiency standards are scheduled to require most newly manufactured residential gas furnaces covered by the rule to achieve at least 95% AFUE (Annual Fuel Utilization Efficiency). The current federal minimum for non-weatherized residential gas furnaces is 80% AFUE. Legal Information Institute
What Does 80% vs. 95% AFUE Mean?
AFUE is essentially a measurement of how efficiently your furnace converts fuel into usable heat.
An 80% AFUE furnace converts approximately 80% of the fuel it consumes into heat for your home, with the remainder lost primarily through the exhaust. A 95% AFUE furnace converts approximately 95% into usable heat. The higher efficiency is generally achieved with condensing furnace technology that captures additional heat from the exhaust. The Department of Energy's Energy.gov
That can mean lower natural-gas consumption, but there are also installation differences homeowners should understand.
Does This Mean Your 80% Furnace Will Be Illegal?
No.
If you already have an 80% furnace in your home, the 2028 standard does not require you to replace it just because the new rule takes effect.
The federal requirement applies to affected furnaces manufactured in or imported into the United States starting December 18, 2028. Federal Register Public Inspection
So if your current 80% furnace is operating safely and reliably, you can continue using it.
Why Could Replacement Become More Complicated?
This is where the change could matter to homeowners with older heating systems.
Many 80% furnaces use a traditional metal flue or chimney to exhaust combustion gases. High-efficiency condensing furnaces operate differently and typically require a different venting system along with provisions for the condensation they produce.
That means replacing an older 80% furnace with a 95%+ furnace may involve more than simply removing one furnace and putting another in its place.
Depending on the home, the installation may require modifications to the venting, condensate drainage and other components of the heating system.
Every home is different, which is why having the existing installation evaluated by an HVAC professional can be valuable when planning ahead.
Should You Replace Your 80% Furnace Before 2028?
Not necessarily.
We don't recommend replacing a good furnace simply because the calendar is approaching 2028. Furnace age, condition, repair history, efficiency and the home's existing venting configuration should all be considered.
However, if your furnace is already older, experiencing repeated repairs, or you're considering a replacement in the next few years anyway, it makes sense to start discussing your options now rather than waiting for an emergency breakdown.
Planning ahead gives you more time to compare equipment, understand installation requirements and make a decision without the pressure of having no heat in the middle of a Nebraska winter.
What About Furnace Prices?
A higher-efficiency furnace can reduce fuel consumption, but the equipment and installation can also be more involved than a traditional 80% furnace installation.
The Department of Energy concluded that the new standards would produce overall consumer energy savings, estimating billions of dollars in cumulative utility-bill savings nationally over 30 years. Actual savings for an individual homeowner will vary significantly based on climate, fuel prices, home characteristics and how much the heating system operates. The Department of Energy's Energy.gov
For homeowners, the important thing is to look at the whole system and total installation cost, not simply the AFUE number printed on the furnace.
National Furnace Can Help You Plan Ahead
At National Furnace & Air Conditioning, we've been helping Lincoln-area homeowners with their heating and cooling needs since 1992.
If you currently have an 80% furnace and aren't sure how the 2028 changes could affect your home, we'd be happy to take a look at your existing system and explain your options.
There's no reason to panic — but there is a good reason to be informed and plan ahead.
Have questions about your furnace or considering replacement?
Call National Furnace & Air Conditioning at 402-436-3492 or contact us for a free replacement estimate.