Installation of central air conditioning systems (split, packaged, and ductless mini-splits)
Replacement and upgrade of old or inefficient AC units for improved performance and energy savings
Comprehensive seasonal tune-ups and preventive maintenance to extend system life and maintain peak efficiency
Emergency AC repair services—fast diagnostics and same-day or next-day repairs for compressor, fan, capacitor, and refrigerant issues
Refrigerant leak detection, recovery, and safe recharging with EPA-compliant handling of refrigerants
Airflow diagnostics and ductwork inspection, repair, sealing, and replacement to eliminate leaks and balance airflow
Thermostat installation and programming, including smart and Wi‑Fi thermostats for better comfort control and energy management
Indoor air quality solutions: high-efficiency air filters, UV germicidal lights, whole-home air purifiers, and humidification/dehumidification systems
Coil cleaning (evaporator and condenser), fin straightening, and condenser unit maintenance to prevent breakdowns
Compressor and condenser motor replacement and major component rebuilds when needed
System retrofits and efficiency upgrades: variable-speed blowers, two-stage compressors, and improved refrigerant lines for optimized operation
Zoning system design and installation to provide customized temperature control for different areas of the home or building
Commercial cooling services: rooftop unit installation, maintenance contracts, and rapid-response repairs for businesses
Preventive maintenance agreements with scheduled inspections, priority service, and discounts on parts and labor
Post-installation performance verification and customer walkthroughs to ensure system operates to specification and homeowners understand controls
Sepulveda’s Plumbing Heating & Air LLC