Annotated HVAC layout
Red = supply · blue = return| Room | Area used | Supply ducts marked | Return marked |
|---|---|---|---|
| Master Bedroom | 238.88 ft² | 2 × 6″ | — |
| Master Bathroom | 88.06 ft² | 1 × 4″ | — |
| Primary WC | 25.28 ft² | 1 × 4″ | — |
| Primary Closet | 26.33 ft² | 1 × 4″ | — |
| Boy Bedroom | 146.72 ft² | 1 × 8″ | — |
| Hall Bathroom | 56.27 ft² incl. tub alcove | 1 × 4″ | — |
| Girls Bedroom | 166.04 ft² | 1 × 8″ | — |
| Office | 129.70 ft² | 1 × 8″ | — |
| Great Room | 31′ × 15′ · 465 ft² | 1 × 8″ | — |
| Entry Hall | 6′ × 13′ · 78 ft² | 1 × 6″ | — |
| Bedroom Hall | Outside Hall Bathroom | — | 1 × 18″ return |
| Kitchen | 21′ × 8′ · 168 ft² | 1 × 6″ | — |
| Breakfast Room | 10.5′ × 9′ · 94.5 ft² | 1 × 8″ | — |
| Laundry Room | 8′ × 9′ · 72 ft² | 1 × 6″ | — |
| Powder Room | 3′ × 5′ · 15 ft² | 1 × 4″ | — |
| Pantry | 7′ × 6′ · 42 ft² | 1 × 4″ | — |
| Play Room | 12′ × 13′ · 156 ft² | 1 × 8″ | 1 × 8″ return |
The two blue return marks are tracked in the Returns section. Wall lengths and window areas are plan-based estimates and remain editable.
Field table · rooms & supply vents
Latest floor-plan rooms, areas, dimensions, estimated window areas, and AC-run distances are preloaded.| Room / vent | Area ft² | Room temp °F | Door ΔP Pa | Return path | Duct Ø in | Run to AC ft | Velocity measured at | Register W in | Register H in | Free area | Anemometer FPM | Est. CFM | Room total CFM | Target CFM | Δ CFM | Action | Notes |
|---|
Choose Grille face for an average reading across the grille. Choose Duct center after removing the grille; this uses round-duct area and estimates average velocity at 90% of the center reading. Distances and window areas are floor-plan estimates. Your existing measurements are preserved.
Latest floor-plan inventory · all 24 Magicplan spaces
| Plan space | Area ft² | Printed dimensions | HVAC treatment |
|---|---|---|---|
| Primary bedroom | 238.88 | 16′ 1¼″ × 16′ 9¼″ | Separate balance row |
| Primary bathroom | 88.06 | 16′ 2″ × 5′ 5¼″ | Separate balance row |
| Primary WC | 25.28 | 4′ 10¼″ × 5′ 2½″ | Separate balance row |
| Primary closet A | 26.33 | 5′ ¾″ × 5′ 2½″ | Nested with primary suite |
| Primary closet B | 28.47 | 5′ 5¾″ × 5′ 2½″ | Nested with primary suite |
| Boy bedroom | 146.72 | 12′ 2″ × 12′ ¾″ | Separate balance row |
| Boy closet | 25.10 | 11′ ¾″ × 2′ 3¼″ | Nested with bedroom |
| Shared bathroom | 31.85 | 6′ 7¾″ × 4′ 9½″ | Separate balance row |
| Tub alcove | 24.42 | 5′ ½″ × 4′ 10″ | Nested with shared bath |
| Bath wall segment A | 0.71 | 5′ 4¼″ × 3½″ | Non-conditioned partition |
| Bath wall segment B | 0.60 | 3′ 10¼″ × 2″ | Non-conditioned partition |
| Hall / circulation | 115.21 | 15′ 1¾″ × 22′ 6½″ overall | Separate balance row |
| Girls’ closet | 24.11 | 8′ 1¼″ × 3′ 1″ | Nested with bedroom |
| Girls’ bedroom | 166.04 | 11′ 10¾″ × 16′ 4″ | Separate balance row |
| Hall closet | 17.18 | 5′ 10″ × 2′ 11¼″ | Nested with hall |
| Study | 129.70 | 11′ 7¾″ × 11′ 1½″ | Separate balance row |
| Fireplace / chase | 20.83 | Not printed | Non-conditioned chase |
| Living / kitchen | 621.60 | 39′ 3½″ × 21′ 1½″ overall | Separate balance row |
| Breakfast / dining | 88.91 | 9′ 1¼″ × 9′ 9¼″ | Separate balance row |
| Laundry room | 77.27 | 8′ 8¾″ × 8′ 10¼″ | Separate balance row |
| Powder closet | Not printed | Not printed | Nested with powder room |
| Powder room | 16.75 | Approx. 3′ 6¼″ × 4′ 4″ | Separate balance row |
| Playroom closet | Not printed | Not printed | Nested with playroom |
| Playroom | 290.35 | 14′ 1¼″ × 23′ 3¾″ | Separate balance row |
Return-air measurements
Bedroom Hall + Playroom returns| Location | Duct Ø in | Run to AC ft | Velocity measured at | Grille W in | Grille H in | Free area | Anemometer FPM | Est. CFM | Filter grille | Notes |
|---|
Return airflow not measured yetChoose a measurement method and enter its required values.
Grille face uses average face velocity × grille area × free-area factor. Duct center uses the round duct diameter and estimates average velocity at 90% of the center reading.
System & house
Equipment confirmed from the June and September 2023 labels.OUTDOOR ACAmerican Standard Silver 14 · 5 ton4A7A4060N1000BA · 60,000 BTU/h nominal · single-stage R-410A · manufactured 09/2023
FURNACE / BLOWERAmerican Standard S8B1 · 100,000 BTU/h inputS8B1C100M5PSCBA · 80% AFUE · 4–5 ton · 9-speed constant-torque blower · manufactured 06/2023
Blower setting still needs verificationThe equipment confirms a 5-ton system, but not which cooling-speed tap is active. At 350 CFM/ton the target is 1,750 CFM; at 400 CFM/ton it is 2,000 CFM. Record the board setting below or enter a measured blower CFM.
Advanced room load inputs · wall/window exposures
North is down on your floor plan: ↓ N · ↑ S · ← E · → W. Window fields are glass area in ft².
| Room | Ceil ft | Wall N | Wall E | Wall S | Wall W | Win N | Win NE | Win E | Win SE | Win S | Win SW | Win W | Win NW | People | Watts | Kitchen | Attic? | Wall | Attic | Glass | Shade |
|---|