Business Details
48 Years
experience
Emergency
services
Trusted HVAC Solutions for Commercial & Industrial Clients in San Jose
J & J Air Conditioning has been a trusted leader in commercial and industrial HVAC services since 1978. Our commitment to integrity and innovation has earned us recognition as a top workplace and a reputation for excellence across the Bay Area. With over four decades of experience, we specialize in new construction, equipment replacement, and 24/7 emergency response, supported by a team of highly trained technicians and engineers. Our approach combines evolving technology with personalized service to deliver cost-efficient, reliable solutions tailored to each client's unique needs.We prioritize transparency, offering detailed reporting and flexible maintenance agreements with no long-term commitments. As a locally owned business, we remain deeply invested in serving the Silicon Valley community while maintaining national industry standards. Our ownership team remains directly accessible to clients, ensuring accountability and swift decision-making for every project.
Services
New Construction
Equipment Replacement
24/7 Emergency Service
Energy & Controls
Design & Engineering
Details
- Year established: 1978
Highlights and features
- 40+ years serving Bay Area commercial HVAC needs since 1978
- 24/7 emergency service with 2-hour response time
- Factory-trained technicians with specialized HVAC expertise
- In-house sheet metal fabrication for quality control
- Flexible maintenance agreements with no long-term commitments
What people say
24/7 emergency service
Prompt response times
Knowledgeable technicians
Transparent pricing
Long-term partnerships
Services
New Construction
Our construction team specializes in installing HVAC systems for new commercial buildings. We handle all aspects from design and permitting to project management and commissioning. Our in-house sheet metal fabrication ensures quality control and faster project timelines.
Equipment Replacement
We provide fast HVAC equipment replacement services with same-day installations in over 90% of cases. Our technicians evaluate system efficiency and provide cost comparisons between repairs and replacements to help clients make informed decisions.
24/7 Emergency Service
Our emergency response team is available 24 hours a day with a guaranteed two-hour response time. We handle urgent HVAC failures and system malfunctions to minimize business disruptions for commercial clients.
Energy & Controls
We install advanced energy management systems and building automation controls to optimize HVAC efficiency. Our services include energy audits, system integration, and tenant billing solutions to reduce operational costs.
Design & Engineering
Our engineering team creates customized HVAC designs for commercial spaces, including clean rooms, computer facilities, and LEED-certified buildings. We use AutoCAD for precise planning and collaborate with architects to ensure optimal system performance.
People
James Sandoval
President
With decades of HVAC industry leadership, James oversees company operations and strategic direction while maintaining direct client accessibility for critical decisions.
Frank Quintanar
Vice President, Service Manager
Leading our service division, Frank ensures 24/7 emergency response readiness and manages technician teams for both preventive and corrective HVAC maintenance.
Mary Kay Mercer
Business Development & Marketing Manager
Mary Kay drives business growth strategies and client relationship initiatives while promoting our reputation for technical excellence in the Bay Area market.
Tom Olson
Accounting Manager
Tom manages financial operations with a focus on transparent billing practices and cost-efficient project budgeting for commercial HVAC services.
Dave Kester
Construction Manager
Overseeing new installation projects, Dave coordinates construction teams and ensures quality control in our in-house sheet metal fabrication department.
Questions
What HVAC services do you offer for commercial clients?
We provide new construction, equipment replacement, 24/7 emergency service, energy management systems, and custom HVAC design for commercial and industrial clients.
Are you available for emergency HVAC repairs?
Yes, our 24/7 emergency service responds within two hours for urgent HVAC repairs across the Bay Area.
What areas do you serve?
We primarily serve commercial clients throughout Silicon Valley and the greater San Jose metropolitan area.
Do you offer maintenance agreements?
Yes, we offer flexible maintenance agreements with quarterly service visits, 24/7 emergency access, and one-year warranties on parts and labor.
How does your equipment replacement process work?
We provide same-day replacement estimates for package units and coordinate complete HVAC system upgrades with minimal operational disruption.
What makes your team qualified for complex HVAC projects?
Our team includes factory-trained technicians, LEED-certified engineers, and AutoCAD specialists with decades of combined experience in commercial HVAC systems.