AC Repair & Diagnostics
Fast, accurate diagnosis and repair of central air conditioning systems — refrigerant leaks, compressor issues, electrical faults, and airflow problems.
- ✓ Same-week appointments
- ✓ All major brands serviced
Encino's Trusted AC Repair Provider
Dependable AC Repair & Heating Service in Encino, CA
Northstar Air Systems keeps San Fernando Valley homes comfortable with straightforward diagnostics, honest pricing, and air conditioning repair, installation, and heating work done right the first time.
Licensed & Insured
Locally Owned & Operated
Serving Encino & the San Fernando Valley
Licensed & Insured
Locally Owned & Operated
Fast, Reliable Response
About Us
Encino's Local AC Repair Team
Northstar Air Systems is a locally owned heating and air conditioning company serving Encino and the surrounding San Fernando Valley. Founded and led by Jeff Carter, the company is built on clear communication, accurate diagnostics, and dependable repairs.
Whether it's a system that's stopped cooling in the middle of a heat wave or a furnace that needs attention before winter, our technicians arrive prepared to find the real problem and fix it — not just patch the symptom.
What We Do
Our AC Repair & HVAC Services
From urgent repairs to full system installs, Northstar Air Systems handles it all for Encino homeowners.
AC Installation & Replacement
Properly sized, professionally installed air conditioning systems built for California's summer heat and long-term efficiency.
- ✓ Free installation estimates
- ✓ Energy-efficient options
Heating Repair & Furnace Service
Furnace and heat pump repair, maintenance, and safety inspections to keep your system running through the winter months.
- ✓ Seasonal tune-ups
- ✓ Safety inspections
Preventive Maintenance Tune-Ups
Twice-yearly tune-ups that catch small issues before they become expensive repairs.
Indoor Air Quality Solutions
Filtration and ventilation improvements for cleaner, healthier indoor air.
Ductwork Repair & Sealing
Duct inspection, sealing, and repair to fix uneven cooling and heating and improve efficiency.
Why Choose Us
Why Encino Homeowners Trust Northstar Air Systems
Local Expertise
Based right in Encino, our technicians know the specific demands the San Fernando Valley climate puts on HVAC systems.
Licensed & Insured
Northstar Air Systems is a fully licensed and insured HVAC contractor.
Transparent Pricing
Clear, upfront estimates before any work begins — no surprise charges.
Owner-Led Service
Led directly by owner Jeff Carter, with a hands-on approach to every job.
Where We Work
Proudly Serving Encino & Nearby Communities
Northstar Air Systems is based in Encino and serves homeowners throughout the surrounding San Fernando Valley.
- Encino
- Tarzana
- Sherman Oaks
- Woodland Hills
- Van Nuys
- Studio City
FAQ
Frequently Asked Questions
We repair and maintain all major residential HVAC brands, including Carrier, Trane, Lennox, Goodman, Rheem, and York.
Yes. Northstar Air Systems is a fully licensed and insured HVAC contractor.
We recommend a professional tune-up twice a year — once before cooling season and once before heating season — to catch small issues before they become expensive repairs.
Yes, we provide free, no-obligation estimates for new system installations and major replacements. Call for current diagnostic pricing on repairs.
We're based in Encino and serve the surrounding San Fernando Valley, including Tarzana, Sherman Oaks, Woodland Hills, Van Nuys, and Studio City.
Get In Touch
Request Your Free Quote
Reach out for a free estimate on a new system, or call now if you need a repair scheduled.
Ready to Get Started?
Whether it's a repair, replacement, or routine maintenance, Northstar Air Systems is ready to help.