HVAC Services for Year‑Round Comfort Repairs, Maintenance, Installation, & More!
From urgent repairs and seasonal maintenance to system replacements, Landeen Heating & Air Conditioning provides dependable HVAC services for homes and light commercial properties throughout Ventura County and Los Angeles County.
Rated 4.9/5 Yelp Reviews
Rated 4.7/5 Google Reviews
Rated 4.9/5 Yelp Reviews
Rated 4.7/5 Google Reviews
Signs Your HVAC Needs Attention
- AC blowing warm air
- Uneven temperatures / hot spots
- Weak or restricted airflow
- Unusual noises or odors
- Rising energy bills
- System not turning on
- Short cycling (turning on and off frequently)
Comfort Solutions We Offer
Air Conditioning Repair & Service
Service Includes:
Heating & Furnace Repair
Service Includes:
HVAC Installation & Replacement
Service Includes:
Indoor Air Quality
Options Include:
Heat Pump Service
Service Includes:
Light Commercial HVAC
We can recommend systems from Innovair, Bosch, and Day & Night based on what best fits your home and budget.
Unsure of what you need? Contact us and we’ll help you choose the right next step.
Professional service • Reliable scheduling
Areas We Serve
Based in Simi Valley, serving Ventura County and Northern Los Angeles County.
- Simi Valley
- Thousand Oaks
- Newbury Park
- Westlake Village
- Agoura Hills
- Moorpark
- San Fernando Valley
- Santa Clarita
- Castaic and nearby places
Not sure if we serve your area? Call us, we’re always happy to help.
Over a Decade of Trusted HVAC Service
We have helped countless homeowners improve their indoor comfort, reduce energy costs, and ensure system longevity through our expert services and guidance.
95%
Clients continue to rely on us for ongoing maintenance and upgrades after initial service.
10,000+ Hours of HVAC Service
Dedicated to excellence in every repair, installation, and maintenance task we undertake, ensuring your system operates at peak performance.
Frequently Asked Questions
We’ve answered some of the most common questions to help you make confident and informed decisions.
Do you service my city (Santa Clarita / Thousand Oaks / SFV / Castaic)?
Yes. We serve Ventura & Los Angeles County, including Santa Clarita, Simi Valley, Thousand Oaks, Moorpark, San Fernando Valley, Castaic, and nearby areas.
Do you service most major brands and system types?
Yes. We service most major AC, furnace, and heat pump brands for residential and light commercial properties.
My AC is blowing warm air — what could cause that?
Common causes include airflow restrictions, thermostat/control issues, electrical component problems, and refrigerant-related issues. A diagnostic visit identifies the cause and best fix.
What is short cycling?
Short cycling is when your system turns on and off frequently. It can point to airflow issues, control/thermostat problems, or sizing/performance issues.
How often should HVAC maintenance be scheduled?
Most systems benefit from seasonal maintenance (cooling before summer, heating before winter) to reduce breakdown risk and improve efficiency.
How do I decide between repair vs. replacement?
We consider system age, repair history, performance, and efficiency. We’ll recommend the most cost-effective next step. Repair-first when it makes sense.
Do you offer emergency service?
Emergency/weekend availability may be available depending on day/time. Call and we’ll confirm the fastest option.
Restore Comfort to Your Home Today.
From routine maintenance to urgent repairs, Landeen Air Conditioning and Heating provides honest recommendations and dependable HVAC solutions you can trust.
Fast service, guaranteed comfort.
Stay Connected with Us
We share clear, practical advice on heating, cooling, and home comfort to help you make informed decisions long before you need service.
Local advice • Seasonal reminders • Trusted HVAC guidance
We’re Here Whenever You Need Us
Whether you have a question, need service, or would like a quote, our team will review your message and follow up with clear, helpful guidance. No pressure, no obligation.
Prefer to talk? We're happy to answer questions by phone.
We’re Here Whenever You Need Us
Whether you have a question, need service, or would like a quote, our team will review your message and follow up with clear, helpful guidance. No pressure, no obligation.
Request a Service or Quote
Fill out the form below, and we’ll get back to you as soon as possible.
Prefer to talk? We're happy to answer questions by phone.
Visit Us
- 2828 Cochran St #184, Simi Valley, CA 93065, United States
- Monday - Friday: 8:00 AM - 5:00 PM | Saturday & Sunday: By appointment only.
