Retrofit Measures for Distribution
Here you will find the data for Distribution measures available in the National Residential Efficiency Measures Database. Each measure consists of a beforecomponent, an aftercomponent, and the estimated cost to implement the measure.
The measures are listed alphabetically based upon the name of the beforecomponent. Where multiple costs are indicated they must be combined to obtain total measure cost (e.g., fixed ($) and normalized ($/sf) costs).
Cost Drivers
There are many factors that influence the ultimate cost of Distribution measures.
The application of the average measure costs displayed below to any particular home is discouraged.
Examples of the kinds of issues that can influence the cost of Distribution measures include:
Insulate Hot Water Pipes:
BeforeComponent 
AfterComponent 
Cost 
R2
Properties:
 Insulation Nominal RValue: 2.0 hft^2R/Btu
Performance Standards:
Lifetime:

R5
Properties:
 Insulation Nominal RValue: 5.0 hft^2R/Btu
Performance Standards:
 Exceeds IECC 2009
 Exceeds IECC 2012
Lifetime:

Measure Cost
Units  Range  Average 
$/ft Piping  4.2  8.8  6.8 

Insulate Hot Water Pipes:
BeforeComponent 
AfterComponent 
Cost 
Uninsulated
Properties:
 Insulation Nominal RValue: 0.0 hft^2R/Btu
Lifetime:

R2
Properties:
 Insulation Nominal RValue: 2.0 hft^2R/Btu
Performance Standards:
Lifetime:

Measure Cost
Units  Range  Average 
$/ft Piping  4.1  8.7  6.7 

Insulate Hot Water Pipes:
BeforeComponent 
AfterComponent 
Cost 
Uninsulated
Properties:
 Insulation Nominal RValue: 0.0 hft^2R/Btu
Lifetime:

R5
Properties:
 Insulation Nominal RValue: 5.0 hft^2R/Btu
Performance Standards:
 Exceeds IECC 2009
 Exceeds IECC 2012
Lifetime:

Measure Cost
Units  Range  Average 
$/ft Piping  4.4  9.2  7.1 
