HVAC Ductwork Replacement — New return air duct + 6" supply run
- Foundation
- HVAC
On August 21, 2026, Arch Air Services documented Foundation and HVAC at 4539 Arco Avenue, St. Louis, MO 63110.
- Record date
Available findings
- HVACCompleted work$1,554
Installed new return air duct from front stair landing to main return near furnace to increase airflow from 220 cfm to ~1000 cfm; installed one new 6" supply run to 2nd floor back dining room; disconnected and capped off 6" supply from first floor.
- HVACWork status not resolved
Photograph shows round metal ductwork with flexible insulated sections and metal elbows running along an interior wall and ceiling, transitioning from a lower area upward.
- HVACWork status not resolved
Photograph shows two wall-mounted HVAC vent covers near the baseboard: a larger louvered return air grille and a smaller supply register, both white, located at floor level along an interior wall near a doorway.
- HVACWork status not resolved
Photograph shows a rectangular opening cut into a drywall wall exposing a metallic duct or vent box, with debris around the opening edges and clear plastic sheeting draped over the exposed duct component.
- HVACWork status not resolved
Photograph shows a white louvered wall-mounted HVAC supply/return air register installed on an interior wall, with the top portion of a second vent or baseboard unit visible at the bottom of the frame.
- FoundationWork status not resolved
Photograph shows multiple concrete block or masonry support piers/columns in the crawl space supporting the floor structure above, with a dirt or concrete floor visible below.
- HVACWork status not resolved
Photograph shows large rectangular sheet metal supply ductwork and a round duct running horizontally through a crawl space or unfinished basement, supported overhead by floor joists, with concrete block or masonry support piers visible below.
- HVACWork status not resolved
Photograph shows a rectangular metal floor register/grille installed at the base of a wall corner on a light wood-tone floor surface.