Business Details
Emergency
services
Your Trusted HVAC Repair Experts in San Jose
Sub Zero HVAC & Appliance Repair has been serving San Jose residents for many years, specializing in air conditioning repair, duct cleaning, and HVAC system maintenance. Our team of certified technicians combines state-of-the-art diagnostic tools with extensive local climate expertise to deliver fast, reliable solutions for residential and commercial properties. We prioritize preventive maintenance to extend system lifespans while reducing energy costs, offering 24/7 emergency services for urgent cooling needs.Backed by a 100% satisfaction guarantee, we maintain transparent pricing and use only high-quality OEM parts to ensure optimal system performance. Our neighborhood-specific knowledge across San Josefrom Willow Glen to West San Joseenables tailored solutions that address unique HVAC challenges in both historic and modern properties.
Services
AC Repair
Duct Cleaning
Heating System Replacement
Thermostat Repair
Emergency HVAC Service
Preventive Maintenance
Window Unit Repair
Mini-Split Repair
Compressor Replacement
Refrigerant Leak Repair
Highlights and features
- We offer 24/7 emergency AC repair services in San Jose
- Our technicians are certified in all major HVAC system brands
- We provide transparent pricing with no hidden fees
- We guarantee 100% customer satisfaction on all HVAC repairs
- We specialize in neighborhood-specific HVAC solutions across San Jose
What people say
Arrived quickly during heat wave
Knowledgeable professionals
Transparent pricing
Effective AC repair
24/7 availability
Services
AC Repair
Our AC repair service addresses all cooling system issues including refrigerant leaks, compressor failures, and thermostat malfunctions. Using advanced diagnostic tools, we identify problems quickly and implement lasting solutions. Our technicians service all AC types from central systems to window units, ensuring optimal performance through proper refrigerant levels and component functionality.
Duct Cleaning
Professional duct cleaning removes accumulated dust, debris, and contaminants from HVAC systems. Our process uses industrial vacuums and rotating brushes to clean ductwork thoroughly. This improves indoor air quality, enhances system efficiency, and reduces energy costs while following strict containment protocols to protect property during cleaning.
Heating System Replacement
We provide complete heating system replacements with energy-efficient models from leading manufacturers. Our process includes proper system sizing, old unit removal, and professional installation meeting local codes. We offer various furnace types including high-efficiency models that reduce energy consumption while ensuring consistent heating performance across residential and commercial spaces.
Emergency HVAC Service
Our 24/7 emergency HVAC service responds to urgent cooling and heating failures outside regular business hours. Trained technicians handle critical issues like complete system failures, refrigerant leaks, and electrical problems. We maintain rapid response times during extreme weather conditions to restore comfort and safety promptly.
Preventive Maintenance
Scheduled maintenance plans include comprehensive system inspections, coil cleaning, refrigerant checks, and component lubrication. These services prevent unexpected breakdowns, extend equipment lifespan, and maintain energy efficiency. Our maintenance packages cover all HVAC system types with customizable frequency options for residential and commercial clients.
Questions
How much does HVAC repair cost in San Jose?
Costs vary by service type: refrigerant leaks $200–$1,000, compressor replacement $1,500–$3,500, duct cleaning $300–$500. We provide upfront estimates.
Why is my AC running but not cooling?
Common causes include low refrigerant, dirty filters, thermostat issues, or compressor problems. Our technicians diagnose and fix these efficiently.
Do you offer emergency AC repair?
Yes, we provide 24/7 emergency HVAC repair services across San Jose with rapid response times.
What HVAC services do you provide?
We offer AC repair, heating system replacement, duct cleaning, thermostat repair, preventive maintenance, and emergency HVAC services.
Are your technicians certified?
All our HVAC technicians are certified and trained in major system brands with ongoing professional development.
Do you service all San Jose neighborhoods?
Yes, we serve all San Jose areas including Willow Glen, Downtown, West San Jose, and surrounding communities.
