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27 Years
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Emergency
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Trusted HVAC Services in Yorba Linda, CA
First Response Air Conditioning & Heating has been providing quality HVAC services in Orange County since 1999. Founded by Ivan Rosas, a seasoned professional with decades of industry experience, we are a family-owned company committed to excellence in residential and commercial HVAC solutions. Our NATE-certified technicians prioritize craftsmanship, using top-tier equipment from brands like Rheem, Carrier, and Trane to ensure reliable performance.

As a BBB-accredited business with HomeAdvisor screening, we combine technical expertise with personalized service, offering 24/7 emergency support and same-day appointments. Our focus on safety, energy efficiency, and customer education has solidified our reputation as a trusted leader in Southern California's HVAC industry.
Services
HVAC Installation Emergency HVAC Air Conditioning Repair Ductwork Services Thermostat Installation Heat Pump Maintenance Boiler Repair Dryer Vent Cleaning Furnace Services HVAC Maintenance
Details
  • Year established: 1999
Highlights and features
  • Family-owned with over 25 years of HVAC expertise
  • 24/7 emergency services for urgent HVAC needs
  • NATE-certified technicians with advanced training
  • Free estimates with no hidden costs guaranteed
  • BBB-accredited with consistent 5-star customer ratings
Associations and certifications
  • BBB
  • HomeAdvisor
  • NATE
What people say
Great company Highly recommend Outstanding Work Excellent service Prompt and efficient
Services
HVAC Installation
Our NATE-certified technicians specialize in installing high-efficiency HVAC systems from leading brands like Rheem and Carrier. We conduct comprehensive assessments to determine optimal system sizing and configuration for new constructions or replacements. Our installations include smart thermostat integration and zoning systems to maximize energy savings while ensuring year-round comfort for residential and commercial properties.
Emergency HVAC
We provide rapid-response HVAC repair services for urgent heating and cooling failures. Our fully stocked service vehicles enable same-day fixes for common issues like refrigerant leaks, compressor failures, and thermostat malfunctions. Technicians carry specialized diagnostic tools to resolve complex problems efficiently, minimizing downtime during extreme weather conditions across Southern California.
Air Duct Services
Our comprehensive ductwork solutions include new installations, repairs, and cleaning for residential HVAC systems. We address air leakage issues using high-grade sealing materials to improve energy efficiency by up to 20%. Regular maintenance prevents contaminant buildup while optimizing airflow distribution throughout homes, ensuring cleaner indoor air quality and reduced utility costs.
Heat Pump Maintenance
Scheduled maintenance programs extend equipment lifespan while maintaining peak performance. Our technicians perform multi-point inspections covering refrigerant levels, electrical components, and coil cleanliness. Preventative care reduces breakdown risks by 90% and maintains manufacturer warranty validity, with customized service plans available for both residential and commercial clients.
Thermostat Services
We offer complete thermostat solutions including smart thermostat installations and programmable system upgrades. Our technicians ensure proper calibration for accurate temperature regulation while integrating with existing HVAC infrastructure. Upgrades to Wi-Fi-enabled models provide remote control capabilities through mobile apps, enhancing energy management convenience for homeowners.
People
Ivan Rosas
Owner & Founder
With over 25 years in the HVAC industry, Ivan established First Response in 1999 to provide personalized service. His technical expertise and commitment to customer satisfaction drive the company's success.
Brandon
Lead Technician
A certified HVAC specialist with 12 years of experience, Brandon leads emergency service teams and handles complex system diagnostics. Known for clear communication and efficient problem-solving.
Joshua
Service Technician
NATE-certified technician specializing in residential installations. Recognized for meticulous workmanship and customer education about system maintenance requirements.
Matt
Maintenance Specialist
Expert in preventive maintenance programs with a focus on energy efficiency optimization. Conducts detailed system assessments to identify potential issues before they escalate.
Debbie
Customer Service Manager
Coordinates service scheduling and client communications. Ensures seamless service delivery with 15 years of experience in HVAC operations management.
Questions
What HVAC services do you offer for residential customers?
We provide complete HVAC solutions including installations, repairs, maintenance, ductwork services, thermostat upgrades, and 24/7 emergency response for residential properties.
Are your technicians certified and insured?
All technicians are NATE-certified with ongoing training. We maintain full insurance coverage and hold Contractors License #1038351 for California operations.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency services with rapid response times. Our technicians are available year-round for urgent heating and cooling issues.
What areas do you service?
We serve all of Southern California with primary focus on Orange County, including Yorba Linda, Anaheim, and surrounding communities.
How can I improve my HVAC system's energy efficiency?
Schedule annual maintenance, upgrade to a programmable thermostat, seal air leaks, and consider system replacement if your unit is over 10 years old.
What financing options are available?
We offer flexible financing through approved partners for major HVAC replacements and extensive repair projects. Contact us for personalized payment plans.