A prospective foreclosure buyer in rural Maryland got a jolt while pricing out repairs: Replacing two aging HVAC systems could cost anywhere from $24,000 to $38,000.
The sticker shock highlights the reality for homeowners: heating and cooling upgrades can be among the biggest home expenses and can also affect long-term utility costs.
Here's what to know
In a Reddit thread, the buyer said the roughly 3,700-square-foot house still has its original 2007 equipment. A 3.5-ton system in the basement serves the first floor, while a separate 3-ton unit in the attic handles the upstairs.
After looking over the property, an HVAC company advised replacing the existing 80% gas furnaces with heat pumps that would use gas backup in colder weather.
The buyer said the options ranged across three price points. Staying with 80% gas furnaces was quoted at about $24,000, while the most expensive choice — two-stage heat pumps — came in as high as $38,000. Between those was a roughly $32,000 setup with 15-SEER heat pumps and 90% furnace backup that, the poster said, could still qualify for up to $10,000 in utility rebates if paired with an energy audit and attic insulation upgrades.
Commenters largely agreed that the dual-fuel approach made sense for a colder climate, though not everyone thought the premium option justified the added cost.
"Two stage is nice but not $6k nice, the single stage heat pump with 90% backup is the smart money," one commenter wrote. "Make sure whoever you get actually sizes the ductwork for heat pump airflow though. thats where these retrofits get sloppy."
For homeowners weighing similar choices, Palmetto's Comfort Plan network can help you find efficient heating and cooling solutions for your home and connect you with vetted installers, making it easier to understand options such as efficient HVAC systems and heat pumps.
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What can be done?
For homeowners in a similar spot, the thread highlighted a few practical steps: gather multiple quotes and make sure any contractor checks ductwork and static pressure instead of relying on a visual estimate. Rebates connected to insulation work and energy audits can also materially change the final calculation.
Palmetto can also be part of that process. If you're not ready to spend up front, the Comfort Plan includes $0-down options that can lower your heating and cooling costs by up to 50%, and it includes 12 years of free maintenance.
Homeowners can push savings even further by pairing electric appliances, including efficient HVACs, with rooftop solar. EnergySage makes it easy to find the best solar system and installer for your home and budget, saving you up to $10,000 on installations.
Where can I learn more?
If you're comparing heat pump quotes and rebate math, it helps to see how other homeowners handled similar decisions.
• Many households can cut upgrade costs through $10,000 government incentives tied to insulation and electrification.
• In Virginia, one homeowner got a $12,000 heat pump quote and pros urged more estimates.
• In central New Jersey, homeowners faced $15K to $20K HVAC quotes and questioned heat pumps.
• After an old system failed, one homeowner asked if heat pumps lower bills long-term.
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