Keep Your Property Comfortable With a Top-Notch Unit

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Rely on us for AC installation services and more in or around San Dimas, West Covina, Covina, CA and surrounding areas

At Efficient Incorporated, we understand the importance of having an energy-efficient HVAC system. Whether you need a new unit installed or repairs done to improve the efficiency of your current system, we can handle it. We provide HVAC services throughout the San Dimas, Covina, Cypress, and West Covina, CA areas.


Consider hiring us for:

  • Furnace installations
  • Furnace repairs
  • Furnace maintenance
  • Heat pump installations
  • Heat pump repairs
  • Heat pump maintenance
  • AC installations
  • AC repairs
  • AC maintenance
  • HVAC system upgrades
  • HVAC system replacements
  • Thermostat installations
  • Thermostat repairs
  • Indoor air quality solutions


Get in touch with us now to arrange for AC installation services and more.

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A 3d model of an american standard air conditioner on a white background.
A picture of the inside of an air conditioner.

Help your unit last longer

Whether you're investing in an AC, heat pump or furnace installation, it's vital to schedule regular maintenance for your heating and cooling systems to make sure they continue performing optimally. Our skilled technicians will inspect, clean and fine-tune your HVAC equipment, preventing potential issues and extending the life of your system.


Reach out to us today to schedule HVAC services.

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Frequently Asked Questions for HVAC Services

  • How do I know if my air conditioner needs repair or replacement?

    If your AC frequently breaks down, struggles to cool your home, makes unusual noises, or causes rising energy bills, it may be time for repairs or a replacement. Our technicians can evaluate your system and recommend the most cost-effective solution.

  • Do you service both residential and commercial HVAC systems?

    Yes. Efficient Incorporated provides heating, cooling, ventilation, and indoor air quality services for both residential and commercial properties throughout Southern California.

  • How often should my HVAC system be serviced?

    We recommend scheduling professional HVAC maintenance at least twice a year—once before the cooling season and once before the heating season—to improve efficiency, reduce breakdowns, and extend equipment life.

  • What are the benefits of installing a ductless mini-split system?

    Mini-split systems provide energy-efficient heating and cooling for individual rooms, home additions, garages, offices, and homes without existing ductwork while allowing independent temperature control.

  • Can replacing my HVAC system lower my energy bills?

    Yes. New high-efficiency heating and cooling systems use less energy than older equipment, helping reduce monthly utility costs while improving indoor comfort.

  • Do you install smart thermostats?

    Yes. We install and replace programmable and smart thermostats that provide greater control over your home's temperature, improve energy efficiency, and enhance comfort.

  • How can I improve my indoor air quality?

    We offer complete indoor air quality solutions including air filtration systems, air scrubbers, UV light sterilization, air ionization, and ventilation improvements to help reduce allergens, dust, bacteria, and airborne contaminants.

  • Why is ductwork important for HVAC performance?

    Properly designed and sealed ductwork improves airflow, helps maintain consistent temperatures, increases system efficiency, and reduces unnecessary energy loss throughout your home or business.

  • Do you provide HVAC maintenance plans?

    Yes. We offer preventive maintenance programs designed to keep your heating and cooling equipment operating efficiently while reducing the likelihood of unexpected repairs.

  • Why should I choose Efficient Incorporated?

    As a family-owned HVAC contractor with over two decades of experience, we combine expert craftsmanship, personalized customer service, premium equipment, and customized HVAC solutions to keep homes and businesses comfortable in every season.

Why Choose Efficient Incorporated for Heating & Air Conditioning Services?

When your heating and cooling system isn't performing at its best, you need an HVAC contractor you can trust to provide honest recommendations and lasting solutions. At Efficient Incorporated, we bring more than 20 years of experience serving residential and commercial customers throughout Covina, and surrounding Southern California communities.


As a family-owned company, we take pride in delivering personalized service, expert workmanship, and energy-efficient HVAC solutions tailored to every customer's comfort needs.


From routine maintenance and emergency HVAC repairs to complete heating and air conditioning system replacements, our licensed and insured technicians work with quality American Standard and Mitsubishi equipment to provide dependable comfort year-round. We also specialize in ductwork, thermostat upgrades, indoor air quality improvements, mini-split systems, custom sheet metal fabrication, and HVAC solutions for remodeling and new construction projects.