Detailed answer
Factors That Change The Recommendation
Metal roofing has a reputation problem - both ways. Some people think it's only for barns and modern desert homes. Others think any metal roof is automatically better than asphalt. Neither is accurate. The honest answer depends on your roof, your climate, and how long you're staying.
Cost is the biggest objection - metal often runs 2-3x asphalt on a per-square basis. But service life math sometimes flips that: a $30,000 metal roof at 50 years works out to about $600 per year. A $15,000 architectural asphalt at 25 years is also about $600 per year. Same per-year cost, very different upfront cash. Metal handles wind, fire, and heat reflectance well; it can be noisier than asphalt without proper underlayment; flashing details matter more than with shingles. Standing seam outperforms exposed-fastener panels for long-term performance. Match the panel profile to roof pitch and HOA rules before committing.
If You're In California Or New Jersey
California metal roofing benefits from heat reflectance and fire rating - particularly in wildfire-risk zones. New Jersey metal roofing handles snow shed and coastal salt corrosion well when installed with corrosion-resistant fasteners and proper flashing.