Gas Fired Infrared Heaters

MacroAir Fans

IR Heater Store

BBC Industries

Infrared Dynamics

QMark Electric Heaters

Infratech Electric Heaters

Crushproof Exhaust Tubing

American Society of Heating, Refrigeration & Air Conditioning Engineers

Energy Trust of Oregon

Oregon Plumbing Heating & Cooling Contractors

State of Oregon

State of Washington Code Building Codes

State of Idaho Building Safety Department

State of Alaska

LEED
US Green Building Council

Herrmann Associates

Overhead Products

Energy Sales, Inc.

Degree Day Data for Energy Professionals