Air Conditioner Resident Installation Notice
This webpage allows residents to provide the required two-day notice before installing a window cooling device at the property by completing the form below. It also ensures residents acknowledge and understand their responsibilities and obligations under the new law regarding the safe installation and use of window cooling devices. Please review the full cooling addendum below the form and should you have any questions about your rights and responsibilities, call us at 360-696-3111 or email your resident manager.
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Portable Cooling Device Addendum
Subject to Washington law, Tenant may install a portable cooling device of Tenant’s choosing unless a lawful restriction in this Addendum applies. Landlord may not charge a fee for the use, inspection, or installation of a portable cooling device. Landlord may charge for the rental of a portable cooling device rented from Landlord and for damages arising out of Tenant’s use of a portable cooling device.
Tenant Responsibilities and Procedures
- Tenant must provide at least two days’ notice before installing a window-mounted portable cooling device.
- Tenant must install and use the device in compliance with applicable law and the manufacturer’s written safety guidelines.
- Landlord may require that a portable cooling device be adequately drained to prevent damage to the dwelling unit or building.
- To verify compliance with lawful installation limitations, Landlord may require inspection after installation and/or servicing after installation of a window-mounted portable cooling device.
General Restrictions Applicable to Any Portable Cooling Device
Landlord may prohibit or restrict installation of any portable cooling device if:
- The dwelling already has a permanently installed and fully operational heat pump;
- Installation would violate state or local building codes, state law, or federal law;
- Installation would violate the device manufacturer’s written safety guidelines for the device;
- Installation would cause unreasonable damage to the premises or render the premises uninhabitable; or
- The electrical supply required to power the device cannot be accommodated by the existing power service to the building, dwelling unit, or circuit.
Additional Restrictions Applicable to Window-Mounted Portable Cooling Devices
Landlord may prohibit or restrict installation of a window-mounted portable cooling device only if:
- The window is a necessary egress from the dwelling unit and the device would interfere with its use as egress;
- The device would interfere with Tenant’s ability to lock a window that is accessible from outside;
- 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;
- The device cannot be secured in a way that prevents it from falling out of the window;
- Landlord’s insurance policy for the dwelling occupied by Tenant expressly restricts or prohibits the use of window-mounted portable cooling devices, and Landlord has provided written evidence of the insurance policy restriction or prohibition.
As a condition of installation, Landlord may require that a portable cooling device be adequately drained to prevent damage to the dwelling unit or building.
Additional Statutory Provisions
If Landlord restricts or prohibits installation of window-mounted portable cooling devices, Landlord must notify tenants in the lease of their rights, responsibilities, and any restrictions or prohibitions related to installation.
- Landlord is immune from liability for any claim for damages, injury, or death caused by a portable cooling device installed by Tenant.
- Nothing in this Addendum limits Landlord’s obligations to provide reasonable accommodations under existing state and federal law.
- Landlord is not responsible for any interruption in electrical service resulting from the installation of a portable cooling device that is not caused by Landlord, including interruptions caused by an electrical supply’s inability to accommodate use of a portable cooling device.
- Nothing in this Addendum precludes Landlord from retaining a portion of the security deposit for a lawful purpose under RCW 59.18.280.
- For purposes of this Addendum, a “window-mounted portable cooling device” does not include a saddle-mounted portable cooling device, a u-shaped portable cooling device, or a floor-mounted device connected to a window for air exchange or ventilation.

