All web sources checked on 20 October 2026. Publication dates and evidence limitations are stated below; a crawl date is not a publication date. Supplier descriptions establish advertised capability, not independently measured performance.
- Commercial HVAC Estimating - HVAC School — 2021/22 archive; older fundamentals, not current pricing. Publisher episode notes.
- Estimating Tips and Software - HVAC School — Podcast feed dates episode 30 April 2025. Publisher episode notes.
- Estimating Tips and Software - YouTube — Video found 20 October 2026; upload date not independently established. HVAC School video metadata.
- Learn More about AI! (With Hugh Seaton) — 2025; website and distribution-feed dates differ. Publisher episode description; direct retrieval intermittent.
- ASHRAE Journal Podcast Episode 64: Next Generation Refrigerants and Heat Pump Systems Design — 2026; exact release date not shown on retrieved publisher page. Publisher notes, biographies and transcript.
- Intro to Canaveral | AI Mechanical Estimating Software Demo — Undated; checked 20 October 2026. Official product video page; vendor demonstration.
- Profitable mechanical projects start with faster, more accurate estimates — Undated; official search-index description checked 20 October 2026. Vendor webinar; direct page retrieval unavailable.
- 2026 Construction Hiring and Business Outlook Survey Updates | Macrina Wilkins — Linked from AGC's 8 January 2026 survey release. Association YouTube briefing.
- Technology Transitions HFC Restrictions by Sector — Updated 28 August 2026. Regulator guidance; tables are informational.
- Contractors Have ‘Dampened’ Expectations For 2026, Apart From Data Centers And Power Projects, Amid Worries About The Economy, Policy Uncertainties — 8 January 2026; survey fieldwork 4 November–15 December 2025. Primary association survey release.