- Air filters that need cleaning
- Fans that are broken and blocking airflow
- Blocked up condensate lines
- Malfunctioning thermostats can freeze AC coils
- Possible refrigerant leaks
G&B is committed to helping building owners, property managers, engineers, and facility professionals lower their operating expenses. We offer a cost-effective, customized preventive maintenance plan for your commercial building that will provide you with peace of mind, improved comfort, and energy savings.