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26 Years
experience
Emergency
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Expert HVAC Services in Agoura Hills, CA
All Four Seasons A/C & Heating has been dedicated to providing top-quality heating and cooling solutions since 2000. As a family-owned and operated business, we combine over 40 years of HVAC experience with a commitment to honesty, integrity, and customer-first service. Our team of highly trained technicians delivers exceptional service with professionalism and skill, ensuring clean and aesthetically pleasing installations. We are a Factory Authorized Dealer for Carrier, offering industry-leading products backed by superior service and expertise.

Our dedication to excellence has earned us the Angi's List Super Service Award, an A+ rating from the Better Business Bureau, and accreditation from the Building Performance Institute. We are also EPA and OSHA certified, reflecting our commitment to safety and quality. We serve Ventura County, San Fernando Valley, and Los Angeles County, providing responsive, quality service for both residential and commercial clients.
Services
HVAC Installation Air Conditioning Repair Duct Cleaning Maintenance Plans Air Purification Systems Zoning Systems Thermostat Installation Furnace Repair System Replacement Indoor Air Quality
Details
  • Year established: 2000
Highlights and features
  • We have over 40 years of HVAC experience.
  • We are a Carrier Factory Authorized Dealer.
  • We guarantee 100% satisfaction with every service.
  • Our team is EPA and OSHA certified.
  • We offer 24/7 emergency HVAC services.
Associations and certifications
  • Carrier Factory Authorized Dealer
  • Angi's List Super Service Award
  • Better Business Bureau (A+ rating)
  • Building Performance Institute
  • EPA Certified
  • OSHA Certified
What people say
Professional and knowledgeable Prompt service Honest and fair Expert technicians Satisfaction guaranteed
Services
HVAC Installation
We specialize in installing gas, electric, and hybrid HVAC systems tailored to residential and commercial needs. Our team ensures efficient, code-compliant installations using Carrier products. Clients benefit from customized solutions that enhance comfort and energy efficiency.
Duct Cleaning
Professional duct cleaning removes contaminants like dust, allergens, and mold from HVAC systems. Our process uses advanced tools to improve indoor air quality and system efficiency. Clients experience cleaner air, reduced allergens, and extended equipment lifespan.
Maintenance Plans
Our Gold Maintenance Plan includes biannual professional servicing to optimize HVAC performance. Benefits include energy savings, early issue detection, and priority emergency service. Clients enjoy reduced repair costs and prolonged system durability through preventive care.
Air Purification
We install air purification systems like UV air scrubbers to eliminate bacteria, viruses, and allergens. These systems enhance indoor air quality for clients with respiratory conditions. Our solutions reduce odors, neutralize pollutants, and create healthier living environments.
Zoning Systems
Zoning systems allow customized temperature control in different building areas. We design and install zone-specific HVAC setups for improved comfort and energy efficiency. Clients benefit from targeted climate management and reduced utility bills.
People
Ethan
Owner
With over 20 years of HVAC experience, Ethan leads All Four Seasons with a commitment to quality and customer satisfaction. He personally oversees complex installations and emergency services, ensuring every project meets high standards.
Jesse
Technician
Certified HVAC technician Jesse specializes in diagnostics and repairs. Known for punctuality and technical expertise, he provides thorough system evaluations and clear explanations of required work for residential and commercial clients.
Katelynn
Office Manager
Katelynn coordinates scheduling and client communications, ensuring smooth service delivery. Her organizational skills help maintain the company's reputation for timely appointments and responsive customer support during peak demand periods.
Catarina
Customer Service
Catarina handles client inquiries and service coordination. She plays a key role in maintaining the company's high satisfaction rates through clear communication and efficient problem resolution for both routine and emergency HVAC needs.
Questions
What HVAC services do you offer?
We provide installation, repair, and maintenance for heating, air conditioning, and ventilation systems, including ductwork, zoning solutions, and air purification technologies.
Are you available for emergency HVAC repairs?
Yes, we offer emergency services during extreme weather events, with technicians available to address urgent heating and cooling system failures outside regular business hours.
Do you service all HVAC brands?
Our technicians can inspect, repair, and replace any centralized heating or air conditioning system, though we specialize in Carrier products as a Factory Authorized Dealer.
What areas do you serve?
We serve Agoura Hills, Thousand Oaks, Ventura, San Fernando Valley, and surrounding Southern California communities for both residential and commercial HVAC needs.
Do you offer financing options?
Yes, we provide financing solutions for system replacements and major installations to help clients invest in comfort solutions without upfront financial strain.
How can I schedule maintenance?
Contact us via phone or our website to schedule maintenance. Our Gold Maintenance Plan members receive priority scheduling and discounted service rates for twice-yearly system checkups.
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