# Honeywell MN4CFS9 vs SereneLife SLPAC10: specs and price compared

A sourced, side-by-side comparison of the Honeywell MN4CFS9 (Honeywell) and SereneLife SLPAC10 (SereneLife) among portable air conditioners.

## Side by side

| Spec | Honeywell MN4CFS9 | SereneLife SLPAC10 |
| --- | --- | --- |
| US price | not published | $350 |
| Brand | Honeywell | SereneLife |
| Cooling btu ashrae | 14000 | 10000 |
| Cooling btu sacc | 9000 | 6000 |
| Coverage (sq ft) | 700 | 450 |
| Hose config | dual | single |
| Heat mode | No | No |
| Smart Wi-Fi | No | No |
| Noise dba | 54 | 56 |

## Key differences

- Cooling btu ashrae: Honeywell MN4CFS9 14000 vs SereneLife SLPAC10 10000
- Cooling btu sacc: Honeywell MN4CFS9 9000 vs SereneLife SLPAC10 6000
- Coverage (sq ft): Honeywell MN4CFS9 700 vs SereneLife SLPAC10 450
- Hose config: Honeywell MN4CFS9 dual vs SereneLife SLPAC10 single
- Noise dba: Honeywell MN4CFS9 54 vs SereneLife SLPAC10 56

## Sources

- Honeywell MN4CFS9: https://www.honeywellstore.com/store/products/portable-air-conditioner-14000-btu-mn4cfs9.htm (honeywellstore.com, verified 2026-06-19)
- SereneLife SLPAC10: https://www.serenelifes.com/product/serenelife-slpac10-slpac-3-in-1-portable-air-conditioner-with-built-in-dehumidifier-functionfan-mode-remote-control-complete-window-mount-exhaust-kit-10000-btu-whitewhite/ (serenelifes.com, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/portable-air-conditioners/honeywell-mn4cfs9-vs-serenelife-slpac10/
Cite: Per The Front Desk Review, Honeywell MN4CFS9 (not published) vs SereneLife SLPAC10 ($350) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/portable-air-conditioners/honeywell-mn4cfs9-vs-serenelife-slpac10/
License: CC BY 4.0.