NYC WINDOW A/C INSTALLATION TIPS FROM NYC BUILDINGS DEPT

Please note that the new law that is in effect NOW requires you to put a support brace NY State approved, in any window that will support any A/C above the first Story


WINDOW AIR CONDITIONER INSTALLATION TIPS
Before Purchase/Installation
􀀹 Calculate the size of room to be cooled, so that you buy an a/c with enough capacity.
􀀹 Obtain authorization for installation from building management.
􀀹 Make sure that electrical service is adequate.
􀀹 Make sure that the window and window frame are in good condition.
INSTALLATION GUIDELINES
􀀹 Follow the manufacturer’s instructions included with the unit.
􀀹 Make sure the unit is installed securely. Support the A/C unit from underneath or firmly fasten it from inside with angles. Metal brackets, mounting rails, etc. may be used for a safe installation.
􀀹 Supporting metal brackets, interior angles, etc. should be structurally fastened to the building envelope and are to be strong enough for the size and weight of the A/C unit.
􀀹 Objects utilized to adjust the position (for example, shims) of the A/C unit must have an independent source of fastening or attachment.
􀀹 Secure leveling objects in order to prevent movement and shifting due to vibration from the A/C unit and wind and weather conditions.
􀀹 Install the A/C so that it remains in place when the window is opened and or affix it so that the window cannot be opened accidentally.
􀀹 Tilt the unit slightly to provide water drainage; however, do not over tilt.
PERMITS
A work permit or equipment use permit is generally not required for the installation of a common window A/C unit, unless the unit exceeds three tons/36,000 BTU/hr. See section 27-184 (a) of the Building Code (found online under the Reference Materials link at www.NYC.gov/buildings) for more details.
AVOID
∅ DO NOT USE loose objects, such as wood blocking, to support the leveling of an A/C unit.
∅ DO NOT USE bricks, telephone books, gypsum board or cans for leveling under the A/C unit.
∅ DO NOT BLOCK fire escape windows or any other exit with an A/C unit.
∅ DO NOT PLACE anything (TV antennae, satellite dishes, plants, etc.) on top of an A/C unit.
Maintenance
It’s important to periodically check on the position of the A/C and the condition of the window

frame to make sure that the A/C remains supported and secure.



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