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HVAC technician inspecting outdoor heating and cooling equipment

A new level of comfort

Comfort you can
count on.

Responsive heating and air conditioning service for homes, businesses, and property professionals in Ontario, Chino, Chino Hills, and nearby Inland Empire communities.

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CA Contractor Lic. #1150901 Ontario, California

HVAC service built around your property.

Whether you manage a commercial building or need help at home, EFFINA brings focused attention, straightforward communication, and professional care to every system.

01

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
02

Installation & Replacement

Thoughtful equipment recommendations and professional installation for homes and commercial spaces.

  • Equipment replacement
  • New system installation
  • Startup and performance checks
03

Preventative Maintenance

Scheduled service designed to catch small concerns early and keep equipment operating reliably.

  • Seasonal inspections
  • Quarterly programs
  • Semi-annual programs

Fewer surprises.
More reliable comfort.

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
For homeowners

Seasonal system care

Prepare for the months ahead with routine inspections and performance-focused service.

For businesses

Quarterly or semi-annual plans

Build consistent equipment checks into your property calendar and simplify ongoing HVAC care.

EFFINA logo

Better performance. Lasting comfort.

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.

Residential service Commercial service Property maintenance Licensed contractor

Six principles. One commitment to you.

Efficiency, Flow, Filtration, Integration, Neutralization, and Automation—six principles that guide our approach to heating, air conditioning, and indoor comfort.

Efficiency

Reduce energy waste and support lasting equipment performance through proper service and preventative maintenance.

Flow

Promote balanced airflow and proper ventilation for consistent comfort and reliable system operation.

Filtration

Support cleaner indoor air with appropriate filtration and regular maintenance.

Integration

Look at the whole system so heating, cooling, ventilation, and controls work together effectively.

Neutralization

Identify and address conditions that affect comfort and air quality, including excess humidity, odors, and airborne contaminants.

Automation

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.

Local HVAC service across three communities.

Explore residential, commercial, and property-management HVAC service available in each city.

Trusted at home and at work.

View EFFINA on Yelp

Google reviews

4.9 out of 5 from 8 reviews · Checked October 7, 2026

Read reviews on Google
“George at EFFINA was friendly, knowledgeable, and cared about my situation.”
Garret SGoogle review excerpt
“George was wonderful and very knowledgeable he explained everything to me!! He was great!!”
Rosemary frankGoogle review excerpt
“We highly recommend EFFINA for their honest advice, professional customer service, and quality workmanship.”
Pilgrim FlyerGoogle review excerpt

Yelp reviews

Read Chad C.'s review of EFFINA on Yelp.

Let's get your comfort handled

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