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Ductless Heat Pump Outside Compressor

Ductless Heat Pump Outside Compressor
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Ductless heat pump’s digitally controlled inverter compressor

Ductless heat pump’s digitally controlled inverter compressor
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Ductless indoor units like this one are controlled individually by handheld remote controllers.

Ductless indoor units like this one are controlled individually by handheld remote controllers.
Video:

Energy 101 Video: Geothermal Heat Pumps

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Energy 101: Geothermal Heat Pumps

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Examples of whole-house and local ventilation systems

Examples of whole-house and local ventilation systems
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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)
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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)
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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)
Case Study:

Existing Whole-House Solutions Case Study: Multifamily Individual Heating and Ventilation Systems, Lawrence, Massachusetts

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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
Video:

Ground Source Heat Pumps in Alaska: Harvesting Heat from a Cold Ground

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Heat Pumps: The Ultimate Installation Guide

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Heated air flow is produced when the heating cycle is energized (set thermostat to “heat”)

Heated air flow is produced when the heating cycle is energized (set thermostat to “heat”)
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High-Efficiency Gas Furnace

High-Efficiency Gas Furnace
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Hot water for the home’s radiant floor heating system comes from roof-mounted solar thermal panels and an air-to-water heat pump provide.

Hot water for the home’s radiant floor heating system comes from roof-mounted solar thermal panels and an air-to-water heat pump provide.
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Hot water heating pipes insulated with 1 inch of jacketed fiberglass

Hot water heating pipes insulated with 1 inch of jacketed fiberglass
Video:

How it Works: Ground Source (Geothermal) Heat Pumps (GSHP)

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In a Category I gas-fired, natural-draft boiler, the natural draft of the heated flue pulls combustion air through the draft hood into the combustion chamber

In a Category I gas-fired, natural-draft boiler, the natural draft of the heated flue pulls combustion air through the draft hood into the combustion chamber
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In heating mode, split system heat pumps absorb heat from the outside air and “pump” that heat to the indoor air handler unit, which releases it to the inside air.

In heating mode, split system heat pumps absorb heat from the outside air and “pump” that heat to the indoor air handler unit, which releases it to the inside air.
Video:

Karuna Passive House Air-To-Water Heat Pump

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Madrona Passive House | CO2 Fired Heat Pump

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Masonry Heater Retrofit

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Mini-Split (Ductless) Heat Pumps (1)