Product Information

Ceiling Diffusers

Ceiling Diffusers

Ceiling mounted curved blade diffusers are used as supply air outlets.
Document Type Document Name Description File Size
Brochure - GRD Product Selection Guide Product Selection Guide for Hart & Cooley's Grilles, Registers and Diffusers.
1.50 MB
HC GRD Catalog - Residential - Ceiling Diffusers Catalog - Residential - Ceiling Diffusers
1.05 MB
 
Document Type Document Name Description File Size

Document Type Document Name Description File Size
16 - Steel Round Ceiling Diffuser Engineering Date - page 49
78.38 KB
24 - Steel Square Ceiling Diffuser Engineering Date - page 49
78.38 KB
A500MS - Aluminum Square Diffusers, 1-Way, 2-Way, 3-Way and 4-Way Engineering Date - page 50
102.66 KB
A500OB - Aluminum Square Diffusers, 1-Way, 2-Way, 3-Way and 4-Way Engineering Date - page 50
102.67 KB
Air Diffusion Patterns Air Diffusion Patterns
24.27 KB
ECBX - Steel Box Diffuser Engineering Date - page 96
107.56 KB
ECFM - Aluminum Evaporative Cooler Diffuser Engineering Date - page 52
110.04 KB
ECHVD - Evaporative Cooler Diffuser Engineering Data - page 52
110.06 KB
ECSD(D) - Steel Step-Down Diffuser Engineering Date - page 52
110.05 KB
Frequently Asked Questions HC Residential GRDs Frequently Asked Questions - H&C Residential GRDs
11.54 KB
GRD Cross Reference GRD Reference Sheet
810.28 KB
GRD Cross Reference (Excel Format) GRD Cross Reference Sheet - Excel format
65.50 KB
Grilles, Registers & Diffusers Engineering Data For a given CFM and chosen register style and location(s), use the chart to select a size that delivers the required CFM at a velocity that is recommended for the particular application or throw requirement.
1.46 MB
Order Form - H&C Grilles Registers Diffusers - excel version GRD Order Form
205.00 KB
Order Form-H&C Grilles Registers Diffusers GRD Order Form
48.18 KB
Recommended Noise Criteria Recommended Noise Criteria
24.27 KB
Residential Engineering Data - How to Use the Data How to Use the Engineering Data
755.11 KB
RZ16 - Rezzin Plastic Round Ceiling Diffuser Engineering Data - page 51
80.37 KB
RZ500 - Rezzin Plastic Square Ceiling Diffuser Engineering Data - page 51
80.36 KB
SD, SDD - Aluminum Square Step-Down Diffuser Engineering Data - page 52
110.06 KB
Velocity Limitations for Various Applications Velocity Limitations for Various Applications
24.27 KB