Sources

Sources

1. Report Gas Emergency (Utah, Idaho and Wyoming), Enbridge Gas
2. Natural Gas Utilities List, Utah Division of Public Utilities
3. Carbon Monoxide (CO) Poisoning Basics, U.S. Centers for Disease Control and Prevention
4. Protect Your Family and Yourself from Carbon Monoxide Poisoning, U.S. Environmental Protection Agency
5. Carbon Monoxide Poisoning: Protect Your Family and Yourself (fact sheet), U.S. Environmental Protection Agency
6. Maintenance Checklist, ENERGY STAR (U.S. EPA)
7. Heat and Cool Efficiently, ENERGY STAR (U.S. EPA)
8. Section 608 Technician Certification Requirements, U.S. Environmental Protection Agency
9. Refrigerant Sales Restriction, U.S. Environmental Protection Agency
10. Contracting: New HVAC (H100) Contractor License Requirements, Utah Division of Professional Licensing
11. Apply for a General Contractor License (H100 HVAC Contractor), Utah Division of Professional Licensing
12. Licensee Lookup and Verification, Utah Division of Professional Licensing
13. How Much Does AC Capacitor Replacement Cost? (2026 data, updated Aug 3, 2026), Angi
14. How Much Does an AC Contactor Replacement Cost? (2026 data, updated Oct 13, 2026), Angi
15. How Much Does the Average Furnace Repair Cost? (2026 data, updated Sep 25, 2026), Angi

Last checked October 27, 2026. Prices and rules change; confirm with the source before you rely on them.