Gas Fired Infrared Heater: Complete Guide

For asthma patients, heaters that avoid blowing dust, allergens, and pathogens through the air are often preferred. Gas-fired infrared heaters warm people, floors, and objects directly rather than relying on forced-air circulation. For homes or sensitive environments, proper ventilation, code compliance, maintenance, and professional sizing are still essential. Anyone with asthma should also follow medical guidance and indoor air quality recommendations.

Gas infrared heaters are safe when they are properly specified, installed, vented where required, and maintained according to the manufacturer’s instructions and local codes. Combustion Research Corporation systems include safety features such as direct spark ignition, safety lockout, electronic flame monitoring, and pre-purge cycles on many models. Products are CSA International Design Certified to ANSI/CGA Standards, but clearances and AHJ approval must always be followed.

A gas-fired infrared heater burns natural gas or propane to create radiant energy. Instead of heating and moving large volumes of air, it transfers heat directly to floors, equipment, inventory, vehicles, and people. Commercial systems include low-intensity radiant tube heaters for broad area heating and high-intensity ceramic heaters for spot or zone heating in industrial, commercial, and agricultural facilities.

Gas-fired infrared heaters are commonly used in warehouses, manufacturing plants, aircraft hangars, auto dealership service bays, CNG repair facilities, ice arenas, natatoriums, military vehicle bays, barns, and shipping docks. They are especially effective in high-bay or door-cycling buildings because radiant heat remains in floors and objects even when overhead doors open and heated air escapes.

Combustion Research Corporation documents energy savings of 30-50% over conventional forced-air heating in comparable commercial applications, with some energy cost reductions reaching higher levels depending on the building. Savings come from heating occupied surfaces instead of the ceiling air column, faster recovery after door cycles, and targeted zoning for work areas, loading docks, and production cells.

Low-intensity radiant tube heaters, such as Reflect-O-Ray, Omega II, and Serengeti-IR, provide even comfort heat across larger spaces. High-intensity ceramic heaters, such as Synergy, reach maximum operating temperature in under one minute and are often used for spot or zone heating. Tube systems are typically best for whole-building coverage, while ceramic systems suit workstations, docks, and protected outdoor areas.

Sizing depends on square footage, insulation, ceiling height, door cycle frequency, fuel type, application, and required mounting clearances. As a general reference, warehouses may require 25-40 BTU per square foot for insulated low-bay spaces, 40-65 BTU per square foot for high-bay or less insulated buildings, and more for severe conditions. Final sizing should use product specifications and engineering review.

Pricing is quoted by facility square footage, ceiling height, BTU sizing, fuel type, system configuration, gas piping requirements, electrical drops, venting approach, and material construction such as powder coated, aluminized steel, or stainless steel. Combustion Research Corporation heaters are available through a North American representative network, and quotes can be requested through a local rep or by calling 888-852-3611.