ChromaStar™ Infra-Red Radiant Heaters - Chromalox - (Version JPG) - Page n° 12 - PDF Catalogue | Technical Documentation

ChromaStar™ Infra-Red

Comfort Heaters

Sizing Guidelines

Portable Radiant Spot Heating

When performing radiant spot heating using portable heaters, the sizing is somewhat different. In the table below, the amount of square footage that can be heated to a specified comfort level is shown.

Portable Spot Heating Coverage Areas


Portable	Non-Protected Areas		Semi-Protected Areas
Radiant	Heated Area Size		Heated Area Size
Spot Heating	in Square Feet		in Square Feet
Fixture Size	Below 35F	Above 35F	Below 35F	Above 35F
2.0kW	25	36	40	50
4.5kW	64	75	90	125
6.0kW	85	100	120	150
13.5kW	192	225	270	375

Required Watt Density by Application and Temperature Rise Requirement

WATT DENSITY FOR TYPICAL APPLICATIONS vs. TEMPERATURE RISE


		Density Watts / Square Foot
Application	Condition	Desired Comfort Temperature Rise
		5F	10F	15F	20F	25F
Indoor Supplementry		15 to 30 Watts / Square Foot
Indoor Personnel Comfort	No Drafts No Cold Walls	5 to 6	11 to 13	17 to 20	22 to 26	28 to 33
Indoor Personnel Comfort	Average Conditions	7 to 9	15 to 18	23 to 28	30 to 36	50 to 60
Indoor Personnel Comfort	Drafty Area Cold Walls	10 to 12	20 to 24	30 to 36	40 to 48	50 to 60
Indoor Personnel Comfort	Large Mall Type Buildings	40 to 60 Watts / Square Foot
Indoor Moisture	Removal and Control	15 to 30 Watts / Square Foot
Outdoor Loading Dock	Protected Area With Wind Shield	50 to 120 Watts / Square Foot
Outdoor Marquee Heating	Snow & Ice Melting 20 ft. Mounting Height	Check Factory
Outdoor Personnel Comfort	Not Open To Sky Protected Area No Wind	10 to 12	20 to 24	30 to 36	40 to 48	50 to 60
Radiant Fixtures for spot heating of individuals should be mounted 10 to 12 feet from the floor with coverage from at least two (2) sides and directed at the individuals waist and never directly overhead. If fixture must be mounted over 12' from the floor, add 25% to the indicated watt density up to a maximum of 15'.

CSTR PDS DEC 04

Chromalox • 103 Gamma Drive • Pittsburgh, PA 15238 • PH: 1-800-443-2640 • www.chromalox.com

ChromaStar™ Infra-Red Radiant Heaters - Chromalox - #12

Radiant panel, Steam boiler, Infrared thermometer, Heater, Strip heater