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
450.08 KB
 
Document Type Document Name Description File Size

Document Type Document Name Description File Size
16 - Steel Round Ceiling Diffuser Engineering Date - page 120
78.86 KB
24 - Steel Square Ceiling Diffuser Engineering Date - page 120
78.87 KB
A500MS - Aluminum Square Diffusers, 1-Way, 2-Way, 3-Way and 4-Way Engineering Date - page 121
75.71 KB
A500OB - Aluminum Square Diffusers, 1-Way, 2-Way, 3-Way and 4-Way Engineering Date - page 121
75.71 KB
Air Diffusion Patterns Air Diffusion Patterns
24.27 KB
ECBX - Steel Box Diffuser Engineering Date - page 122
77.44 KB
ECFM - Aluminum Evaporative Cooler Diffuser Engineering Date - page 122
77.45 KB
ECSD(D) - Steel Step-Down Diffuser Engineering Date - page 122
77.45 KB
Frequently Asked Questions HC Residential GRDs Frequently Asked Questions - H&C Residential GRDs
11.54 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 Cross Reference Residential Cross Reference Sheet
45.74 KB
Residential Cross Reference (Excel Format) Residential Cross Reference Sheet - Excel format
54.00 KB
SD, SDD - Aluminum Square Step-Down Diffuser
77.44 KB
Velocity Limitations for Various Applications Velocity Limitations for Various Applications
24.27 KB