Can I keep and resell my old working HVAC system?
Contractors typically expect to take and handle old units, leaving homeowners wondering if they can keep a functioning system to sell and recoup some of their replacement costs. Because used HVAC units have decent potential value, keeping them avoids unnecessary waste, though it requires having the storage space and navigating whether to ask the installer to leave it behind.
Core Friction Pattern
Analysis of 6 peer accounts across online developer and community forums reveals that “Can I keep and resell my old working HVAC system?” repeatedly surfaces due to edge-case mismatches between standard defaults and real-world environments. Standard troubleshooting frequently falls short, compelling practitioners to develop custom workarounds.
+12 alternative community-tested workarounds cataloged below.
What the numbers show
Counted from the threads quoted below. How we count
- The most recent one is from October 2026.
- This comes up 21.9× more often in r/hvacadvice than across the site as a whole.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
Can I keep and resell my old working HVAC system?
- 1Having contractors scrap the old equipment for metal recyclingDid this help you?
- 2Asking the contractor about their policy on old equipment removalDid this help you?
- 3Selling the unit for scrap value at a scrapyardDid this help you?
- 4Listing the used unit on platforms like Facebook MarketplaceDid this help you?
- 5Giving or selling the unit to low-cost landlords or homeowners who can install it themselves or use a handy connectionDid this help you?
- 6Paying an extra fee for haul-awayDid this help you?
- 7Leaving the appliance at the end of the driveway for local scrappersDid this help you?
- 8Tipping delivery guys to move the old appliance to a basement or garageDid this help you?
- 9sticking with a newer single-stage or two-stage heat pumpDid this help you?
- 10keeping the legacy oil boiler as backup since it works and only runs a couple of months a yearDid this help you?
- 11scrapting the unit for metal valueDid this help you?
- 12posting on facebook marketplace or craigslist as free, you haulDid this help you?
- 13donating to a local community college or trade school HVAC training programDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“In more populated areas, most delivery men aren't going to waste their time taking used appliances they aren't paid to take just for a few dollars in scrap value. And when they don't take it, most of us can't just set an appliance on the street and wait for the local meth head to pick it up.”source ↗
“during a regular preseason service 17yo Amana heat pump refrigerant levels were low and i was told it has to be leaking somewhere so i don't want to spend $ trying to find the leak”source ↗
“HVAC contractors have quoted what seems like outrageous prices for inverter heat pumps paired with the legacy oil boiler”source ↗
“so, my question is since we were fine with the 3 ton amana 14seer from 2009 should we just stick with another newer single stage?”source ↗
“Is there an organization that would take and use it for free? Maybe they'd coordinate with the new installers to pick it up after removal?”source ↗
“Is there a place I can sell them or is it standard that the contractors take them and sell them?”source ↗
“I want to make sure that the system is not just thrown away if it can be sold to save me some money.”source ↗
“Habitat around here stopped taking HVAC years ago, liability and refrigerant handling. You might find a tech on Craigslist who wants it for a side job or a hunting cabin.”source ↗
“Your Tranes probably fine but yeah, getting anyone to take a 10 year old used heat pump is rough.”source ↗
“Maybe this is a stupid question, but I’m thinking about getting my working HVAC unit replaced along with the one that has died.”source ↗
“I feel like with how expensive these systems are, my used one that is working should be worth a decent amount, right?”source ↗
“Do people buy used working systems? I have the space to store it, so that’s not A huge issue.”source ↗
“Would I be an asshole for asking them to leave the old system and let me resell it?”source ↗
Where this came up
People with this problem also raised
- 5Will servicing an old HVAC unit break it?
- 2Can I rotate my AC condenser without damaging the refrigerant lines?
- 3Who do you hire to remove a built-in wall AC and patch the hole?
- 18Should I replace old asbestos-wrapped ductwork while walls are open?
- 3HVAC technician left exposed wires outside unit
- 31Why are HVAC replacement quotes so expensive?