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.
- Cost Estimators: Occupational Outlook Handbook — May 2025 wages; 2025–2035 projections; checked 20 October 2026. Government occupational statistics.
- Carrier: Commercial HVAC Project Estimator, Fort Lauderdale — Listed 7 October 2026 in employer search; checked 20 October 2026. Employer vacancy; English job text on Spanish URL.
- LMC Industrial Contractors: Mechanical and Plumbing Estimator — Publication date not shown; public advert checked 20 October 2026. Employer-hosted vacancy; availability must be reconfirmed.
- Gallo Mechanical: Estimator, Raleigh — Indexed employer text checked 20 October 2026; full page fetch unavailable. Employer ATS text in search index; live availability unconfirmed.
- icon Mechanical: Estimator - Special Projects — Public advert checked 20 October 2026; posting date not shown. Employer ATS vacancy.
- D & L Inc: Estimator - Heating & Air Conditioning — Indexed employer text checked 20 October 2026; posting date not shown. Employer ATS vacancy; live availability unconfirmed.
- HVAC Estimating I, Equipment and Air Distribution — Undated; checked 20 October 2026. Professional association course description.
- 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.