Wisconsin Code § 100.21

Substantiation of energy savings or safety claims
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(1) DEFINITIONS. In this section:
(a) “Dwelling unit” means a dwelling, as defined under s.
101.61 (1), a modular home, as defined under s. 101.71 (6), a
manufactured home, as defined under s. 101.91 (2), or a multifamily dwelling, as defined under s. 101.01 (8m).
(b) “Energy savings or safety claim” means an advertisement
or representation that:
1. A product is safe or meets any standard or measure of
safety; or
2. A product or a consumer product, as defined in s. 100.42
(1) (c):
a. Increases fuel or electrical efficiency;
b. Reduces heat loss;
c. Reduces relative consumption of or expenditures for fuel
or electricity; or
d. Meets any standard or measure of performance under
subd. 2. a. to c.
(c) “Insulation” means any material primarily designed to resist heat flow in a dwelling unit. “Insulation” does not include
pipe or duct insulation except for duct wrap.
(d) “Motor vehicle” has the meaning provided under s. 340.01
(35).
(e) “Person” means any manufacturer, distributor, installer or
seller of any product.
(f) “Product” means:
1. Insulation.
2. Any system or device used in or around a dwelling unit for
the heating of space or water or the generation of electricity, including any attachment or additive to the system or device.
“Product” does not include any system, device, attachment or additive included in the original construction of a dwelling unit or in
the sale or transfer of a dwelling unit.
3. Any fuel additive, including any motor vehicle fuel
additive.
4. Any article used in a motor vehicle to promote fuel efficiency. “Product” does not include any original part or equipment in a motor vehicle as sold by the manufacturer or a licensed
dealer or any substantially identical replacement part or equipment for the motor vehicle.
(g) “‘R’ value” means the measure of resistance to heat flow
through a material, computed as the reciprocal of the heat flow
through a material expressed in British thermal units per hour per
square foot per degree Fahrenheit at 75 degrees Fahrenheit mean
temperature.
(2) REASONABLE BASIS FOR CLAIMS. (a) No person may
make an energy savings or safety claim without a reasonable and
currently accepted scientific basis for the claim when the claim is
made. Making an energy savings or safety claim without a reasonable and currently accepted scientific basis is an unfair
method of competition and trade practice prohibited under s.
100.20.
(b) An energy savings or safety claim made by a person other
than a manufacturer does not violate par. (a) if the person relies in
good faith on written materials distributed by the manufacturer
and if the claim is limited to the representations in the materials.
Any energy savings or safety claim made by a person other than a
manufacturer, after the person is notified that no reasonable and
currently accepted scientific basis for the claim has been submitted, is a violation of par. (a).
(3) SUBSTANTIATING THE CLAIM. (a) Any person making an
energy savings or safety claim shall, upon written request by the
department, submit information upon which the person relied to
substantiate the claim. Failure to submit information requested
under this subsection is a violation of sub. (2) (a).
(b) The department shall make available to any person any information submitted under this subsection unless protected from
disclosure by state or federal law.
(4) DEPARTMENT POWERS. (a) The department may, after
public hearing, issue general or special orders under s. 100.20:
1. Prohibiting any energy savings or safety claim that violates sub. (2);
2. Regulating the manner in which the energy savings or
safety claim is made, including requiring accompanying disclosures to prevent unfairness or deception;
3. Prescribing any test method or other reasonable criteria by
which the adequacy of the basis for any energy savings or safety
claim is determined; or
4. Requiring corrective advertising to correct a violation of
sub. (2).
(c) The department shall cooperate with all other state agencies in the administration of this section, as provided in s. 20.901.
(6) RULE MAKING. The department shall adopt rules that set
standards which determine if a reasonable and currently accepted
scientific basis exists for an energy savings or safety claim under
sub. (2). Adoption of rules is not a prerequisite to enforcement of
this section. To the extent feasible, the department shall incorporate nationally recognized standards into the rules.

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