{"data":{"id":"us/16-cfr-appendix-d4-to-part-305","jurisdiction":"us","citation":"16 CFR Appendix D4 to Part 305","heading":"Appendix D4 to Part 305—Water Heaters—Instantaneous—Gas","body":"Range Information\nCapacity Range of estimated annual energy costs (dollars/year)\nCapacity (maximum flow rate); gallons per minute (gpm) Natural gas ($/year) Propane ($/year)\nLow High Low High\n“Very Small”—less than 1.6 24 30 50 61\n“Low”—1.7 to 2.7 (*) (*) (*) (*)\n“Medium”—2.8 to 3.9 144 170 291 343\n“High”—4.0 and over 210 253 427 511\n(*) No data.","path":["Title 16—Commercial Practices","CHAPTER I—FEDERAL TRADE COMMISSION","SUBCHAPTER C—REGULATIONS UNDER SPECIFIC ACTS OF CONGRESS","PART 305—ENERGY AND WATER USE LABELING FOR CONSUMER PRODUCTS UNDER THE ENERGY POLICY AND CONSERVATION ACT (“ENERGY LABELING RULE”)"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-16.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:29Z","sha256":"26ab2aba6fb1a9b557621b4ca44edbcde1f8bb926f361ec7ba1a3d699a095064","source_id":"us-cfr","stale":true,"prev":"us/16-cfr-appendix-d3-to-part-305","next":"us/16-cfr-appendix-d5-to-part-305"},"notice":"GroundRules: Original legal text. Not legal advice."}