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HVAC/RFRG in Richland, WA

6 records with this specialty and Richland as their locality of record, from L&I's records, as of November 3, 2026.

Source: Washington State Department of Labor & Industries (L&I) — records as of November 3, 2026. Records change; the board’s own L&I Verify a Contractor is the current source.

• DELTA HEATING & COOLING INC ACTIVE
  License DELTAHC005BR · expires January 29, 2028
• EXCEL MECHANICAL LLC ACTIVE
  License EXCELML781QQ · expires November 18, 2026
• SOUND SOLUTIONS SUSPENDED
  License SOUNDS*090K9 · expires July 3, 2027
• WAGEMAN HEATING & COOLING ACTIVE
  License WAGEMHC931NU · expires June 10, 2028
• WELCH HEATING & A/C SUSPENDED
  License WELCHHC7716J · expires November 7, 2027
• WELCH HEATING & A/C LLC ACTIVE
  License WELCHHC841LS · expires March 20, 2028