1. Short title This Act may be cited as the Stay Cool Act . 2. Table of contents The table of contents for this Act is as follows: Sec. 1. Short title. Sec. 2. Table of contents. Title I—Heat Emergency Sec. 101. National ranking system for extreme heat. Sec. 102. Study on naming heat waves. Sec. 103. Grants for checking on seniors during extreme heat events. Sec. 104. Study for improved tracking of data on deaths related to heat or other environmental factors. Title II—Community Resilience and Cooling Centers Sec. 201. Grants for community resilience centers. Sec. 202. Grants for community resilience and cooling centers to purchase or repair HVAC systems and passive cooling systems. Sec. 203. Grants for outreach and publicity regarding community resilience and cooling centers. Sec. 204. Payroll credit for cooling centers. Title III—Housing Sec. 301. Grants for providing cooling systems in public housing units. Sec. 302. Guidance on air conditioning costs and utility allowances. Sec. 303. Report to Congress on need for safe residential temperatures