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Combined space and water heating system with tankless gas water heater
Combined space and water heating system with tankless gas water heater
Combined space and water heating system with tankless gas water heater
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Condensing boilers have primary and secondary heat exchangers
Condensing boilers have primary and secondary heat exchangers
Condensing boilers have primary and secondary heat exchangers
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Exhibit 1: ENERGY STAR Reference Design Home for Version 3.0 (Rev. 09)
Exhibit 1: ENERGY STAR Reference Design Home for Version 3.0 (Rev. 09)
Exhibit 1: ENERGY STAR Reference Design Home for Version 3.0 (Rev. 09)
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Exhibit 1: ENERGY STAR Reference Design Home for Version 3.1 (Rev. 09)
Exhibit 1: ENERGY STAR Reference Design Home for Version 3.1 (Rev. 09)
Exhibit 1: ENERGY STAR Reference Design Home for Version 3.1 (Rev. 09)
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Exhibit 1: ENERGY STAR Reference Design Home for Version 3.2 (Rev.09)
Exhibit 1: ENERGY STAR Reference Design Home for Version 3.2 (Rev.09)
Exhibit 1: ENERGY STAR Reference Design Home for Version 3.2 (Rev.09)
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Gas-fired condensing boiler is installed as a direct vent appliance
Gas-fired condensing boiler is installed as a direct vent appliance
Gas-fired condensing boiler is installed as a direct vent appliance
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High-Efficiency Gas Furnace
High-Efficiency Gas Furnace
High-Efficiency Gas Furnace
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This direct-vent condensing gas furnace has a fresh air intake.
This direct-vent condensing gas furnace has a fresh air intake.
This direct-vent condensing gas furnace has a fresh air intake.
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Wrong – Two combustion appliances are sharing a flue which could lead to backdrafting if one appliance is updated to a direct vent appliance and disconnected from shared chimney.
Wrong – Two combustion appliances are sharing a flue which could lead to backdrafting if one appliance is updated to a direct vent appliance and disconnected from shared chimney.
Wrong – Two combustion appliances are sharing a flue which could lead to backdrafting if one appliance is updated to a direct vent appliance and disconnected from shared chimney.
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