Roof & Attic Ventilation / Roof Mounted QuietCool

Roof Mounted QuietCool

Roof Mounted QuietCool

$1750-$2350 depending on application. (Oahu delivery included)

Many Hawaii homes have small attics, open beam construction, or vaulted ceilings where a ducted QuietCool system is impractical. In 2020, with input from Island Cooling, QuietCool Manufacturing developed the Roof Mounted whole house fan (RM4.0). This system is a first of its kind whole house fan mounted on the roof with 4 possible interior applications.

DG1: Homes with open beam construction or direct installation use a 22.5″x22.5″ ceiling damper with louvers that open and close. Can be installed with Plenum (see below).

DG2: In homes with large ceiling beams (2×12), the ceiling bay is used as a plenum to install two 14″x14″ louvered ceiling grills to ventilate two separate areas.

DB: Homes with limited attic space can use a 20″ duct and damper box (DB1430) but bypass the attic for direct ventilation.

PL: An option to install a plenum box for homes with direct installation offsets the intake and RM4.0 for quieter operation. Intake is a 22.5″x22.5″ ceiling damper with louvers that open and close. Recommended for open beam homes.

  • Recommended for Hawaii: spaces to 1800 square feet
  • Airflow: Hi: 4186 CFM / Medium: 3830 / Low: 3355 CFM (will vary with install application)
  • Energy Efficiency: Hi: 391 Watts / Medium: 284 Watts / Low: 197 Watts
  • Grille: 22.5 in. x 22.5 in.
  • Attic Venting Required: Direct venting to outside
  • Specs: Download PDF
  • Warranty 10 years motor, 1 year other parts
  • Timer and 3-speed controls included (remote control compatible)
  • Purchase VA1430 wall adapter for vertical installation
  • Installation manual: Download PDF
Speed Options: 3-speed
CFM Rating: 4186 CFM, 3830 CFM, 3355 CFM
Recommended For: Homes with small attics, open beam construction, or vaulted ceilings

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