Two system Trane high efficiency S9V2 heating season preventive maintenance inspection, tune up, minor maintenance cleaning, safety inspection, performance evaluation, Service and setup 2 aprilaire 600 humidifiers Full Shop-Vac cleaning of Trane clean effects air purifiers Service and replace incoming air filter on 1 HRV Inspect all accessible gas lines for leakage Flush all drain line systems All equipment is clean safe and ready for winter