- Recognizing warning signs early can save money and prevent larger issues down the line. 4. **What kind of warranty and post-installation support should I expect from an HVAC installer, and what are some red flags to watch out for?

- Recognizing warning signs early can save money and prevent larger issues down the line. 4. **What kind of warranty and post-installation support should I expect from an HVAC installer, and what are some red flags to watch out for?
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