Washington § 59.18.740 - Portable cooling device installation.

Full text of Washington Revised Code of Washington § 59.18.740 — Portable cooling device installation., with citation guidance and answers to common questions.

§ 59.18.740. Portable cooling device installation.

(1) Except as provided under subsections (3) through (5) of this section, a landlord may not prohibit or restrict a tenant from installing a portable cooling device of the tenant's choosing.
(2) A landlord may not require a fee for the use, inspection, or installation of a portable cooling device. Nothing in this section shall preclude a landlord from charging for the rental of a portable cooling device rented by a tenant from the landlord, nor for any damages arising out of a tenant's use of a portable cooling device.
(3) A landlord may prohibit or restrict a tenant from installing a portable cooling device of any type if the dwelling already has a permanently installed and fully operational heat pump, or if installation of the device would:
(a) Violate state or local building codes, state law, or federal law;
(b) Violate the device manufacturer's written safety guidelines for the device;
(c) Cause unreasonable damage to the premises or render the premises uninhabitable; or
(d) Require an electrical supply to power the device that cannot be accommodated by the existing power service to the building, dwelling unit, or circuit.
(4)(a) A landlord may prohibit or restrict a tenant from installing a window-mounted portable cooling device if:
(i) The window is a necessary egress from the dwelling unit and the device would interfere with its use as egress;
(ii) The device would interfere with the tenant's ability to lock a window that is accessible from outside;
(iii) The device requires the excessive use of brackets or other hardware that would damage or void the warranty of the window or frame, puncture the exterior wall of the building, or otherwise cause significant damage;
(iv) The device cannot be secured in a way that prevents it from falling out of the window; or
(v) The landlord's insurance policy for the dwelling occupied by the tenant expressly restricts or prohibits the use of window-mounted portable cooling devices, and the landlord has provided written evidence of insurance policy restrictions or prohibitions to the tenant.
(b) As a condition of installing a portable cooling device, a landlord may require that the device be adequately drained to prevent damage to the dwelling unit or building.
(5) To verify compliance with the installation limitations allowed under this section, a landlord may also require that a window-mounted portable cooling device be subject to one or more of the following:
(a) Inspection after installation; or
(b) Servicing after installation.
(6) A tenant must provide at least two days' notice to a landlord prior to the installation of a window-mounted portable cooling device.
(7) A landlord is immune from liability for any claim for damages, injury, or death caused by a portable cooling device installed by the tenant.
(8) If a landlord restricts or prohibits installation of window-mounted portable cooling devices, the landlord must notify tenants in their leases of their rights, responsibilities, and any restrictions or prohibitions related to installation of window-mounted portable cooling devices as specified in subsection (4)(a)(i) through (v) of this section.
(9) Nothing under this section shall be construed to limit the responsibilities of landlords to provide reasonable accommodations under existing state and federal law.
(10) A landlord is not responsible for any interruption in electrical service resulting from the installation of a portable cooling device that is not caused by the landlord, including interruptions caused by an electrical supply's inability to accommodate use of a portable cooling device.
(11) Nothing in this section shall preclude a landlord from retaining a portion of a security deposit for a lawful purpose under RCW 59.18.280.
(12) For the purposes of this section:
(a) "Portable cooling device" means an air conditioner or portable heat pump, including a device mounted in a window or designed to sit on the floor, but does not include devices whose installation or use require excessive alteration to the dwelling unit including, but not limited to, the excessive use of brackets or other hardware under subsection (4)(a)(iii) of this section.
(b) "Saddle-mounted portable cooling device" means a portable cooling device that hangs over the windowsill with interior and exterior components rather than sitting on top of it, such that the window view is not fully obstructed and the device will not fall when the window is opened, and includes u-shaped portable cooling devices.
(c) "Window-mounted portable cooling device" means a portable cooling device that is installed to sit in the window but does not include a saddle-mounted portable cooling device, a u-shaped portable cooling device, or a floor-mounted device that is connected to a window for air exchange or ventilation.
[ 2026 c 184 s 1.]

Frequently Asked Questions About Washington § 59.18.740

What does Revised Code of Washington § 59.18.740 cover?

Section 59.18.740 ("Portable cooling device installation.") is part of the Revised Code of Washington, the codified statutory law of Washington. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.

How do I cite Washington § 59.18.740?

A common citation format is "Revised Code of Washington § 59.18.740" (Washington). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.

Is this the official text of Washington law?

No. This page is for research and education and may not include the most recent amendments. For official current law, check the Washington official source linked on this page or consult a licensed Washington attorney.

How does Washington § 59.18.740 apply to my situation?

Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Washington can advise on how this section applies to you. Contact your state or local bar association for a referral.

Sources & Verification

Not legal advice. Verify against the official source and consult a licensed attorney in Washington.