Duct Testing

Leaky system will run less efficiently; our state-of-the-art equipment will locate existing leaks in your duct system allowing the contractor to fix any outstanding problems quickly so you will start saving money on your long term operating costs.

We offer comprehensive duct testing compliant with state regulations to ensure your system meets all legal requirements.
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  • Existing/New Duct System Leakage Rate (Baseline Test)
  • Duct Leakage Testing – =6% on new duct systems and =15% on existing systems.
  • Refrigerant Charge Verification –  (Climate Zones 2, 8-15) 
  • Minimum Cooling Coil Airflow Testing (alterations) – >=300CFM/Ton
  • Minimum Cooling Coil Airflow Testing (all new systems) – >=350CFM/Ton
  • Fan Efficacy ( Fan Watt-Draw Ratio) >=.58 Watts/CFM
  • Smoke Test (Theatrical Fog) to identify major leaks in duct system, verify all accessible leaks sealed

BPI – Building Analyst Certified

  • Test-In / Test-Out CAZ Testing
  • Baseline HVAC System Testing
  • Duct Leakage
  • Blower door – Building Envelope Testing
  • QII – Quality Insulation Installation
  • Domestic Hot Water Efficiency/co monoxide
  • Home Energy Upgrade Rebates and Incentive

Areas We Service in the Central Valley

Modesto - Tracy - Manteca - Livermore - Turlock - Stockton​

Act Now

​Start saving energy and money. Call Lacoste Energy Tech to schedule an energy audit today.