There is hereby established within the city an energy conservation program to be known as the green building program. The green building program sets forth the minimum standards for energy efficiency, water conservation, indoor air quality and waste recycling for all single-family residential buildings platted after November 30, 2001 (minimum standards).
(Ordinance 720-02 adopted 3/4/02)
The minimum standard for energy efficiency of single-family residential structures shall be the Environmental Protection Agency’s Energy Star designation as it currently stands or may be amended.
(Ordinance 720-02 adopted 3/4/02)
(a) 
Provide a drought tolerant landscaping option for homebuyers (turf and plants).
(b) 
Provide information in models concerning the benefits of xeriscaping and water conservation practices.
(c) 
If bedding areas are installed, they must be mulched (recycled-content mulch or compost).
(d) 
If an irrigation system is installed, it must include a rain and freeze sensor, installed to manufacturer’s specifications.
(e) 
If an irrigation system is installed, it must be a zoned irrigation system.
(Ordinance 720-02 adopted 3/4/02)
(a) 
Mechanical room walls exposed to living area insulated to R-11.
(b) 
Provide range hood vented to outside.
(c) 
Unvented fireplaces and gas logs having a fan that blows any portion of the combustion gases into living spaces are not allowed.
(d) 
One carbon monoxide (CO) detector, hardwired, shall be installed per 1,000 square feet of living space (minimum of one per floor) in all houses where an attached garage or any combustion appliance is used.
(e) 
All joints in the air distribution system shall be sealed with duct mastic or approved equivalent.
(f) 
Total duct leakage measured in CFI at 25 Pascal’s pressure, shall be less than or equal to 5% of the square footage served by each unit or equal to or less than 10% of the fan flow at high speed for each system installed.
(g) 
Airflow to each room will match designed airflow calculations to within +/- 10%.
(h) 
Exterior ventilation system installed per ASHRAE standards must perform at: kitchen - 100 CFM; bathroom - 20 CFM (continuous) or 50 CFM (spot); master bedroom - 20 CFM; other bedrooms -10 CFM.
(i) 
Provide a furnace and/or duct-mounted electronic/electrostatic air cleaner option for homebuyers.
(j) 
If central vacuum system is installed, it must exhaust to the outside.
(k) 
HVAC plenums on the supply side must be constructed of sheet metal (no duct board) with external insulation (minimum R-6 if located in unconditioned space).
(Ordinance 720-02 adopted 3/4/02)
(a) 
Construction waste (brick and wood) hauled from the building site by the builder shall be taken to a site or facility legally empowered to accept it for recycling as approved by the county and state in which the facility is located.
(b) 
Construction waste reduction/reuse plan written and followed by builder.
(c) 
Donate unwanted building materials to a nonprofit building organization.
(d) 
Provide a built-in recycling center option with two or more bins (minimum of 5 gallons each) for homebuyers.
(e) 
Provide a composting system option installed in yard for homebuyer (manufactured or made at site).
(Ordinance 720-02 adopted 3/4/02)