Said It Here

How to avoid HVAC replacement scams when getting quotes

HVAC technicians often declare entire units unfixable over small repairs or charge inflated prices like $11.5k for a new system. Without knowing whether a single broken part requires a full replacement, homeowners risk overpaying thousands or upgrading their system prematurely.

Overview
People affected2 accounts across 1 forum
Workarounds found6 items attempted
Community agreement1 total upvotes

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.

  1. 1
    getting 2 to 3 replacement quotes
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  2. 2
    making sure contractors check the cooling load before sizing
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  3. 3
    shopping during fall or winter instead of during a heat wave
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  4. 4
    using online cooling load calculators for a sanity check
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  5. 5
    Calling around for a free second opinion and getting multiple quotes
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  6. 6
    Fixing the leak independently instead of replacing the equipment
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Tried another approach not listed above?+ Share your workaround ↑

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.

r/hvacadvice2 people · September 2026

“what should i know to not get scammed?”source ↗

“what should I know? also, I have time. if their is a best time of year to do this i would love to know”source ↗

Old-Leopard-4315 · r/hvacadvice · 1 upvotes

“Tech said they do not repair them and offered either a new coil for $3600 or a whole new 3T system for $11.5k+ ($13.5k if i want to finance...)...”source ↗

“am I being taken here? I understand the tubes are small... but does this condemn the whole unit?”source ↗

PutterMcGavin · r/hvacadvice

Where this came up

People with this problem also raised