The 58CVA/58CVX variable-speed, 4-way multipoise gas furnaces offer unmatched comfort with ComfortHeatTM Technology and IdealHumidityTM in an 80% AFUE gas furnace. You get all the benefits of a ComfortHeat Technology furnace: reduced drafts, reduced sound levels, longer cycles, less temperature swings betweencycles, and less temperature differences between rooms. With the variable-speed blower motor, homeowners can now economically run constant fan to help eliminate temperature differences through-out the house and to get better indoor air quality. This IdealHumidity furnace also increases comfort in the summer by wringing out extra humidity when needed. The 58CVA furnaces are approved for use with natural or propane gas. The CVX furnaces are approved for use with natural or propane gas, and for use in Low NOx Air Quality Management districts. The 58CVA/58CVX furnaces feature
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