HVAC Service & Repair
Clear troubleshooting and practical repairs for heating and cooling systems that are not performing as they should.
- System diagnostics
- Heating and cooling repairs
- Comfort and airflow issues
EFFINAHeating & Air Conditioning (909) 601-6514
A new level of comfort
Responsive heating and air conditioning service for homes, businesses, and property professionals in Ontario, Chino, Chino Hills, and nearby Inland Empire communities.
Explore your next levelWhat we do
Whether you manage a commercial building or need help at home, EFFINA brings focused attention, straightforward communication, and professional care to every system.
Clear troubleshooting and practical repairs for heating and cooling systems that are not performing as they should.
Thoughtful equipment recommendations and professional installation for homes and commercial spaces.
Scheduled service designed to catch small concerns early and keep equipment operating reliably.
Planned care
Preventative maintenance helps protect performance, supports equipment longevity, and gives you a clearer view of your system's condition before peak heating or cooling demand.
Call about a maintenance plan
Our mission
To keep homes and businesses comfortable, safe, and operating efficiently through quality workmanship, honest recommendations, and dependable service. Guided by the principles behind EFFINA, we help customers improve system performance, protect their equipment, and create healthier indoor environments.
Based in Ontario, we provide residential and commercial HVAC care with direct communication from the first conversation through the final system check.
The meaning behind EFFINA
Efficiency, Flow, Filtration, Integration, Neutralization, and Automation—six principles that guide our approach to heating, air conditioning, and indoor comfort.
Reduce energy waste and support lasting equipment performance through proper service and preventative maintenance.
Promote balanced airflow and proper ventilation for consistent comfort and reliable system operation.
Support cleaner indoor air with appropriate filtration and regular maintenance.
Look at the whole system so heating, cooling, ventilation, and controls work together effectively.
Identify and address conditions that affect comfort and air quality, including excess humidity, odors, and airborne contaminants.
Make comfort easier to manage with practical thermostats and controls that support consistent temperatures and efficient operation.
Our promise: Honest service. Dependable workmanship. Respect for your time and property.
Primary service area
Explore residential, commercial, and property-management HVAC service available in each city.
Customer experience
4.9 out of 5 from 8 reviews · Checked October 7, 2026
“George at EFFINA was friendly, knowledgeable, and cared about my situation.”
“George was wonderful and very knowledgeable he explained everything to me!! He was great!!”
“We highly recommend EFFINA for their honest advice, professional customer service, and quality workmanship.”
Let's get your comfort handled
Tell us what you're experiencing and the type of property. We'll follow up to discuss the next step.
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