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NYC rental glossary

Heat Season

The Oct 1–May 31 window when NYC owners must keep apartments heated to legal minimums; hot water is required year-round.

New York City’s “heat season” runs from October 1 through May 31. During it, owners must keep occupied residential units at or above legal minimum temperatures that depend on the outside temperature and the time of day — a daytime floor and a higher night-time floor when it’s cold out. Adequate hot water is required every day of the year, in or out of heat season.

A tenant without adequate heat or hot water can call 311, which routes the complaint to HPD; an unresolved condition becomes an HPD violation and can support a rent-reduction or repair action. Heat and hot water are the single largest category of NYC tenant complaints each winter.

Because these issues are urgent and time-bound, Urbero treats heat and hot water as a first-class maintenance category — a tenant flags it from their portal and it routes straight to the managing brokerage and owner, with the status tracked rather than lost in a voicemail.

This definition is general information about a New York City rental or rent-regulation concept, not legal advice. The rules change and often turn on facts specific to a building, unit, and tenancy — confirm the current rule and consult a qualified attorney before acting on any individual matter.