NAC704.810. Announcements to eligible customers: Estimates of savings in cost of energy.

     1. In a utility’s announcement of its program for conserving energy in residential buildings, each of its estimates of savings in the cost of energy must be expressed as a percentage of the total amount of energy consumed in a typical single-family dwelling located in the area served by the utility.

     2. A typical building in northern Nevada:

     (a) Is one story.

     (b) Is of wood frame construction.

     (c) Has 1,800 square feet of floor area.

     (d) Has 8-foot walls.

     (e) Has 1,800 square feet of attic area.

     (f) Has a crawl space beneath the floor.

     (g) Has ceiling insulation rated as R-30.

     (h) Has wall insulation rated as R-13.

     (i) Has between 50 and 60 square feet of window area facing south.

     (j) Has 20 square feet of door area.

     (k) Has all its heating and cooling ducts in unconditioned areas.

     (l) Exchanges air 1.5 times each hour.

     (m) Has a gas-fired heating system whose average seasonal level of efficiency is at least 74 percent and whose best practices efficiency is 94 percent, as determined by the 2006 International Energy Conservation Code adopted by reference pursuant to NAC 704.803.

     3. A typical building in southern Nevada:

     (a) Is one story.

     (b) Is of wood frame construction.

     (c) Has 1,800 square feet of floor area.

     (d) Has 8-foot walls.

     (e) Has 1,800 square feet of attic area.

     (f) Is constructed on a concrete slab.

     (g) Has ceiling insulation rated as R-30.

     (h) Has wall insulation rated as R-13.

     (i) Has between 50 and 60 square feet of window area facing south.

     (j) Has 20 square feet of door area.

     (k) Has all its heating and cooling ducts in unconditioned areas.

     (l) Exchanges air 1.5 times each hour.

     (m) Has a gas-fired heating system whose average seasonal level of efficiency is at least 74 percent and whose best practices efficiency is 94 percent, as determined by the 2006 International Energy Conservation Code adopted by reference pursuant to NAC 704.803.

     (n) Has an electric air-conditioning system whose energy efficiency ratio is 7.

     4. The estimates must be based on calculations contained in the Energy Standard 90.1, 2001 User’s Manual, as adopted by reference pursuant to NAC 704.803, or on other calculations which produce results within 20 percent of those produced through use of the Energy Standard 90.1, 2001 User’s Manual.

     5. After presenting its estimates of savings, the utility shall add the following caveat:

ENERGY SAVINGS DEPEND UPON MANY FACTORS. THE ESTIMATES CONTAINED IN THIS ANNOUNCEMENT ARE BASED ON ESTIMATES FOR TYPICAL HOUSES. YOUR ACTUAL SAVINGS IN THE COST OF ENERGY MAY BE LESS THAN THE ESTIMATES PROVIDED HERE IF YOUR HOUSE IS OF A DIFFERENT SIZE OR IF YOUR HABITS OF USING ENERGY ARE DIFFERENT FROM THOSE ASSUMED. THE INSPECTION WHICH WE OFFER WILL PROVIDE MORE SPECIFIC ESTIMATES FOR YOUR HOUSE.

     (Added to NAC by Pub. Service Comm’n, 1-19-84, eff. 5-17-84; A by Pub. Utilities Comm’n by R058-06, 6-28-2006)