Air / HVAC Advice

Explore these essential Air / HVAC advice topics every homeowner should consider—brought to you by our trusted local professionals who know how to protect what matters most.

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  1. Ask the seller for the age of the HVAC system — older units may need replacement soon.
  2. Understand the average lifespan of HVAC components (furnace, AC, duct work, etc.).
  3. Request maintenance records for the HVAC system.
  4. Check if the HVAC system is still under warranty — and if it’s transferable.
  5. Look for signs of poor air circulation or uneven heating/cooling during your walk-through.
  6. Don’t assume new-looking thermostats mean a new system.
  7. Always include a full HVAC inspection in your home inspection process.
  8. Understand the home’s energy efficiency rating and what role HVAC plays in it.
  9. Ask about the SEER rating (Seasonal Energy Efficiency Ratio) of the AC unit.
  10. Know the difference between a high-efficiency system and a standard one.
  11. Outdated HVAC systems can lead to high utility bills.
  12. Check insulation and duct sealing — they directly impact HVAC performance.
  13. Zoning systems can improve comfort and efficiency in larger homes.
  14. Smart thermostats are only effective if the HVAC system is properly sized and maintained.
  15. Ask if the system includes air purification, UV filters, or dehumidifiers.
  16. Poor indoor air quality can come from dirty ducts or mold in the HVAC system.
  17. Get ducts professionally inspected, especially in older homes.
  18. Look for signs of pet dander or smoke damage in vents and filters.
  19. Ensure the HVAC system can handle any allergies or respiratory sensitivities you may have.
  20. Beware of rust, noise, or vibration in the HVAC unit — they can be costly.
  21. Older systems may use outdated refrigerants like R-22 (Freon), which are expensive to replace.
  22. Homes with additions may have improperly sized systems.
  23. Replacing an HVAC system can cost $5,000–$15,000+ — factor that into your budget.
  24. A poorly maintained HVAC system can void the manufacturer warranty.
  25. Consult an HVAC pro before making an offer on a home with questionable air systems.
  26. An energy audit can reveal hidden inefficiencies in the system.
  27. Proper HVAC sizing is more important than having a large or “powerful” unit.
  28. Your HVAC system plays a major role in resale value and buyer satisfaction.
  29. New HVAC systems may qualify for energy tax credits or rebates.
  30. Don’t wait until after closing — HVAC issues can be negotiated in the buying process.
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