{"url_path":"/sec/qsep/10-q/2026/body","section_key":"body","section_title":"Body","topic":"sec","document":{"doc_type":"10-Q","doc_date":"2026-05-15","source_url":"https://www.sec.gov/Archives/edgar/data/1103795/0001683168-26-004036-index.html","accession_number":"0001683168-26-004036","cik":"0001103795","ticker":"QSEP","issuer_name":"QS Energy, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1103795/0001683168-26-004036-index.html","primary_entity_key":"0001103795","primary_entity_name":"QS Energy, Inc."},"word_count":518,"has_tables":true,"body_markdown":"EX-31.1\n2\nqsenergy_ex3101.htm\nCERTIFICATION OF CHIEF EXECUTIVE OFFICER\n\n**EXHIBIT 31.1**\n\nCERTIFICATION OF CHIEF EXECUTIVE OFFICER\n\nPURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT\nOF 2002\n\nAND RULES 13A-14 AND 15D-14 UNDER THE SECURITIES\nEXCHANGE ACT OF 1934\n\nI, Cecil Bond Kyte, certify that:\n\n1. I\nhave reviewed this Quarterly Report on Form 10-Q of QS Energy, Inc.;\n\n2. Based\non my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make\nthe statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered\nby this report;\n\n3. Based\non my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects\nthe financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;\n\n4. The\nregistrant&rsquo;s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures\n(as defined in Exchange Act Rules 13a-15(e) or 15d-15(e) and internal control over financial reporting (as defined in Exchange Act Rules\n13a-15(d)-15(f) for the registrant and have:\n\n(a) Designed\nsuch disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure\nthat material information relating to the registrant, including its condensed consolidated subsidiaries, is made known to us by others\nwithin those entities, particularly during the period in which this report is being prepared;\n\n(b) Designed\nsuch internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision,\nto provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external\npurposes in accordance with generally accepted accounting principles;\n\n(c) Evaluated\nthe effectiveness of the registrant&rsquo;s disclosure controls and procedures and presented in this report our conclusions about the\neffectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation;\nand\n\n(d) Disclosed\nin this report any change in the registrant&rsquo;s internal control over financial reporting that occurred during the registrant&rsquo;s\nmost recent fiscal quarter (the registrant&rsquo;s fourth fiscal quarter in the case of an annual report) that has materially affected,\nor is reasonably likely to materially affect, the registrant&rsquo;s internal control over financial reporting; and\n\n5. The\nregistrant&rsquo;s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial\nreporting, to the registrant&rsquo;s auditors and the audit committee of the registrant&rsquo;s board of directors (or persons performing\nthe equivalent functions):\n\n(a) All\nsignificant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably\nlikely to adversely affect the registrant&rsquo;s ability to record, process, summarize and report financial information; and\n\n(b) Any\nfraud, whether or not material, that involves management or other employees who have a significant role in the registrant&rsquo;s internal\ncontrol over financial reporting.\n\nDate: May 15, 2026\n/s/ CECIL BOND KYTE\n\nCecil Bond Kyte\n\nChief Executive Officer\n\n** **"}