Calculates energy costs, lets you evaluate potential savings from adding insulation or completely changing your heating system (i.e., gas to oil). 16K.
Heating System Analyzer
The Authoritative Website for Timex/Sinclair Computers
The Authoritative Website for Timex/Sinclair Computers
Calculates energy costs, lets you evaluate potential savings from adding insulation or completely changing your heating system (i.e., gas to oil). 16K.