HVAC Company

Just One Call, Inc. has been Southern California’s premier HVAC company since 2005, known for delivering exceptional solutions for residential and commercial properties. Our mission is to provide reliable and efficient HVAC services that enhance comfort, safety, and energy efficiency. Trust our experienced team to address all your heating and cooling needs with professionalism and expertise, ensuring optimal performance and satisfaction.

Why Choose Just One Call, Inc.?

  • Comprehensive HVAC Services: We offer a full range of HVAC services, including heating, air conditioning, indoor air quality, and ductless systems.We have you covered whether you need installation, repair, maintenance, or replacement.
  • 24/7 Emergency Services: We understand that HVAC emergencies can happen at any time. That’s why we offer 24/7 emergency services to ensure you get quick and reliable assistance whenever needed.
  • Expert Technicians: Our team of experienced, trained, and qualified HVAC technicians is dedicated to delivering high-quality workmanship. We prioritize customer satisfaction and strive to exceed your expectations with every service call.
  • Free Estimates: We provide free estimates for new installations and maintenance services, allowing you to make informed decisions without any upfront financial commitment.
  • Customer-Centric Approach: Our customer-centric approach means prioritizing your satisfaction by providing personalized service and building long-term trust-based relationships. We are committed to promptly addressing all your inquiries and issues.
  • Energy Efficiency Solutions: Utilize our SEER Calculator to understand the energy efficiency of your HVAC system and discover potential savings on new AC or heat pump replacements. We are dedicated to helping you improve energy efficiency and reduce costs.
  • Positive Reviews And Reputation: Our commitment to excellence is reflected in our numerous 5-star reviews on Google. Our satisfied customers are a testament to the high-quality service we consistently deliver.
  • Licensed And Insured: Just One Call, Inc. is a fully licensed and insured HVAC service provider, offering you peace of mind by ensuring you work with a reputable and responsible company.

Our Services

Comprehensive Air Conditioning Solutions

We offer air conditioning services, including AC installation, maintenance, repair, replacement, and general service. Our offerings also encompass AC tune-ups, inspections, and emergency repair services to ensure your cooling system operates optimally year-round. Additionally, we provide smart thermostat installations and central HVAC services to enhance energy efficiency and comfort. Our technicians are trained to handle all your AC needs, ensuring a cool and comfortable environment in your home or business.

Reliable Heating Services

Our heating services at. are designed to keep your space warm and cozy. We specialize in heater installation, maintenance, repair, replacement, and comprehensive heater services. Our technicians perform thorough tune-ups and inspections to maintain peak performance and offer emergency heater repair services for urgent issues. We also install smart thermostats and provide furnace services to ensure efficient heating. Our expertise guarantees reliable and efficient heating solutions tailored to your needs.

Expert Heat Pump Services

Just One Call, Inc. delivers expert heat pump services, including installation, maintenance, repair, and replacement. Our team handles heat pump tune-ups and inspections to maintain optimal performance and offers emergency repair services for urgent situations. Whether you need routine maintenance or a complete system replacement, our skilled technicians ensure your heat pump operates efficiently, providing consistent comfort throughout the year.

Advanced Indoor Air Quality Solutions

We prioritize indoor air quality with advanced solutions, including air purifiers, UV coil cleaners, and UV air purifiers. Our ventilation services feature ERV and HRV systems, while our humidification options include evaporative and steam humidifiers. We also offer whole-house dehumidifiers and a range of filtration systems, such as media air cleaners, HEPA air cleaners, and electronic air cleaners. We ensure the air you breathe is clean, healthy, and comfortable, enhancing your overall indoor environment.

Diverse Additional Services

Beyond HVAC, we provide various additional services, including plumbing, electrical, contractor services, and energy efficiency solutions. We specialize in ductless and mini-split HVAC systems and offer planning and design services for custom projects. Our team knows all HVAC brands, including ductless heat pump mini-splits and thermostat brands. With our comprehensive service offerings, we ensure all your home and business needs are met under one roof, providing convenience and peace of mind.


At Just One Call, Inc., we are committed to making top-quality HVAC services more accessible with our diverse promotional offers. Our AC promotions are designed to keep you cool and comfortable without breaking the bank, while our furnace promotions ensure you stay warm during the colder months. We also provide enticing heat pump promotions for efficient year-round climate control. For those seeking to enhance indoor air quality, our IAQ promotions offer significant savings on purifiers and ventilation systems. Additionally, our ductless promotions bring affordable, versatile heating and cooling solutions to your home. With a focus on energy efficiency, our energy savings promotions help you reduce utility bills and environmental impact. Our promotions include:

  • AC Promotions
  • Furnace Promotions
  • Heat Pump Promotions
  • IAQ Promotions
  • Ductless Promotions
  • Energy Savings
  • Take advantage of these offers to maximize comfort and savings.

We Serve

Residential HVAC

Our Residential HVAC services ensure your home stays comfortable year-round. We specialize in installing, maintaining, and repairing heating and cooling systems, providing efficient and reliable solutions tailored to your needs. Our expert technicians utilize cutting-edge technology to improve indoor air quality and boost energy efficiency, keeping your home warm during winter and cool throughout summer.

Multi-Family HVAC

Our Multi-Family HVAC services cater to apartment complexes, condos, and multi-family residences, ensuring consistent climate control across all units. We offer installation, maintenance, and repair services, focusing on energy-efficient systems that reduce utility costs. Our experienced team ensures optimal performance and comfort for all residents, providing reliable HVAC solutions tailored to multi-family buildings.

Contact Us Today!

Ready to experience top-notch HVAC services in Southern California? Contact Just One Call, Inc., a trusted HVAC company in CA, today for all your HVAC needs. With our expert technicians, comprehensive services, and customer-centric approach, we promise comfort and efficiency in your home or business.

Call us now for more information or to schedule service. Let us be your one-stop solution for all your HVAC needs!