Fact Based Comparison
Low-Voltage and Forced Air/Gas Heating Systems

Efficiency Low-Voltage
Radiant Heat System
Forced Air & Gas
Heating System
Efficiency at 100% of capacity 100% 60-90%
Efficiency at 50% of capacity 100% 30-60%
Efficient - relative thermal 100% 50-75%
100% of energy is delivered to heat element YES NO
Proper sized capacity of "Off Peak" conditions YES NO
Maintenance Low-Voltage
Radiant Heat System
Forced Air & Gas
Heating System
Annual Maintenance Required - filters to lean or change NO YES
Easy to repair YES NO
Controls - simple and reliable YES VARIES
Cost Savings Low-Voltage
Radiant Heat System
Forced Air & Gas
Heating System
Expandable - easily and economically YES NO
Floor covering - Compatible with all YES YES
Floor space required for installation (mechanical room) NO YES
Exposed registers, grills, radiators NO YES
Installation and Operation - simple YES NO
Structural support required NO NO
Venting required to outside and combustion air required NO YES
Concrete or Thinset required NO NO
Remodeling Low-Voltage
Radiant Heat System
Forced Air & Gas
Heating System
Retrofitability - in existing concrete or asphalt YES NO
Retrofit into joist space effectively YES NO
Simple modification for remodeling YES NO
Easy and effective for large or small areas YES NO
Floor height increase 1/16" or less) YES YES
Health & Safety Low-Voltage
Radiant Heat System
Forced Air & Gas
Heating System
Health & Medical
(doesn't distribute dust, pollen, allergyns through the air)
YES NO
Environmentally-friendly (contains glycol) NO NO
Safety (no high-voltage, no hot surfaces, no combustible gases) YES NO
 
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