How much does ductwork cost in Redlands?
Sealing only: $400-$1,200. Return upsize: $400-$1,500. Full replacement: $25-$55 per linear foot ($2,500-$8,500 typical 80-200 ft layout). Historic-home retrofits may add $1,500-$3,500 for plaster-and-lath routing and heritage-preservation considerations.
My historic Redlands home has retrofit AC over a gravity furnace. Should I redo the ducts?
Often yes. Retrofit AC over gravity-furnace plenums almost always has duct sizing problems that strangle modern blowers and waste 20-30% of cooling capacity. Full redesign + new system typically pays back via efficiency gains and comfort improvements within 5-7 years.
Can I avoid invasive duct work in my historic Redlands home?
Often yes, multi-zone mini-splits are the cleaner alternative to ducted retrofit in plaster-and-lath construction. Line sets route through wall cavities or along exterior walls covered with line-set covers. Each room gets its own indoor air handler. See our mini-splits page.
My East Highlands tract home has duct sealing failures. Can you fix that?
Yes. Supply boot sealing failures are common even on post-2000 homes, vibration over years loosens factory connections. Mastic sealing fixes 20-30% air loss. Typically $400-$1,200.
How much does ductwork cost in the High Desert?
Sealing-only jobs run $25-$35 per linear foot. Partial replacement (bad runs only) $35-$45. Full replacement with R-8 insulated flex $45-$55. Average HD home has 100-200 linear ft of duct, so total jobs typically $2,500-$11,000.
How do I know if my ducts need replacing?
Signs include: rooms that never reach setpoint, high summer electric bills, dust accumulation around registers, visible duct sag, and uneven temperatures between rooms. We measure static pressure and inspect with camera to confirm.
Is duct cleaning worth it?
DOE notes that routine duct cleaning rarely improves indoor air quality on its own. Worth it after rodent contamination, post-fire smoke, or major remodels that left construction dust behind. Not a substitute for a clean filter.