For homeowners
Troubleshooting, repairs, seasonal maintenance, equipment replacement, and installation for homes throughout Ontario.
EFFINA homeHVAC service in
Residential & commercial HVAC
HVAC service in
Ontario, California.
Based in Ontario, EFFINA provides direct, technician-led heating and air conditioning service for local homes, businesses, and managed properties.
CA Contractor Lic. #1150901 Serving Ontario
Local HVAC help
Clear service for the property you care for.
Local service means one point of contact from the first call through the final system check.
For businesses and property managers
Responsive HVAC service and planned maintenance for offices, retail spaces, small commercial buildings, and property-management portfolios.
Services available
Service and repairDiagnostics, heating and cooling repairs, and airflow concernsPreventative maintenanceSeasonal, quarterly, and semi-annual system careInstallation and replacementEquipment recommendations, installation, startup, and performance checks
Talk directly with EFFINA
Need HVAC service in Ontario?
Tell us what the system is doing and whether the property is residential or commercial.