Business Details
42 Years
experience
Emergency
services
Expert HVAC & Plumbing Solutions in San Jose, CA
Founded in 1984, All Temperature Service Air Conditioning (ATS) has established itself as a premier HVAC and plumbing contractor in the San Francisco Bay Area. Led by CEO James Lowder, our company combines four decades of family-driven expertise with cutting-edge technology to deliver precision HVAC installations, maintenance, and emergency services. Our veteran design teams and unionized technicians prioritize safety, reliability, and personalized service, serving commercial, industrial, and residential clients across Silicon Valley and beyond.With industry-leading safety certifications and a commitment to innovation, we ensure optimal system performance while maintaining a customer-centric approach that values transparency and accountability. Our partnerships with major developers and institutions reflect our reputation for excellence in complex projects, from new constructions to retrofits, backed by 24/7 emergency support and proactive maintenance strategies.
Services
HVAC Installation
Plumbing Services
24/7 Emergency Repair
Maintenance Contracts
IAQ Testing
Details
- Year established: 1984
Highlights and features
- 40 years of family-owned HVAC expertise with unionized technicians
- 24/7 emergency service with rapid response times
- Platinum Safety Award recipient with zero-accident certifications
- Custom solutions for commercial, industrial, and residential projects
- Advanced diagnostics and AI-powered service reporting
Associations and certifications
- Highwire Safety
- Northern California Mechanical Contractors Association
What people say
Exceptional emergency response
Expert technicians
Safety-first approach
Reliable maintenance
Family-owned integrity
Services
HVAC Installation
We design and install commercial and residential HVAC systems using cutting-edge engineering for optimal performance. Our team handles new constructions and retrofits with precision, ensuring energy efficiency and compliance with safety standards. Clients benefit from tailored solutions that integrate seamlessly with building requirements.
Plumbing Services
Our certified technicians provide comprehensive plumbing solutions including water heaters, drain cleaning, and gas line repairs. We specialize in commercial plumbing systems that meet strict safety codes while minimizing operational disruptions. Emergency services ensure rapid resolution of critical issues.
24/7 Emergency Repair
Available around-the-clock for HVAC and plumbing crises, our rapid response team addresses urgent needs with same-day diagnostics and repairs. This service ensures business continuity for commercial clients and comfort restoration for residential customers during system failures.
Maintenance Contracts
Customizable maintenance agreements protect HVAC systems through regular inspections and tune-ups. These contracts reduce energy costs, prevent unexpected breakdowns, and extend equipment lifespan while providing priority scheduling for contract holders.
IAQ Testing
We conduct comprehensive indoor air quality assessments using advanced diagnostics to identify contaminants and optimize ventilation systems. This service improves health conditions in commercial spaces and residential properties through targeted filtration and humidity control solutions.
People
James Lowder
CEO
Leading ATS since 2004, James Lowder oversees operations with a focus on safety and innovation. He transitioned the company to commercial projects while maintaining family values. His leadership emphasizes technical excellence and client partnerships.
Stephen Lowder
Vice President of Operations
Stephen Lowder manages day-to-day operations, ensuring service quality and team coordination. With decades of HVAC experience, he maintains the company's commitment to precision installations and emergency response efficiency.
James Haskin
Director of Engineering
As Director of Engineering and CA State Appointed Building Standards Commissioner, James Haskin leads technical design and code compliance. His expertise ensures systems meet evolving industry standards while optimizing performance.
Richard Lowder
Founder
Richard Lowder established ATS in 1984, building a legacy of integrity in HVAC services. His technical expertise and customer focus laid the foundation for the company's safety-first culture and industry leadership.
Questions
What HVAC services do you offer for commercial buildings?
We provide full-service HVAC solutions including installations, maintenance, emergency repairs, and IAQ testing for commercial properties across the Bay Area.
Do you offer 24/7 emergency HVAC repair?
Yes, our 24/7 emergency service responds to critical HVAC failures with rapid diagnostics and repairs to minimize business disruptions.
Which areas do you serve?
We serve San Jose, Silicon Valley, San Francisco, East Bay, Peninsula, and surrounding communities in Northern California.
Are your technicians certified?
All technicians are unionized, EPA-certified, and maintain OSHA 10+ ratings with ongoing safety and technical training programs.
What safety certifications do you hold?
We hold the Highwire Platinum Safety Award and multiple Northern California Mechanical Contractors Association Zero Accidents Awards for our safety-first culture.
Do you offer maintenance contracts?
Yes, customizable maintenance agreements include regular inspections, priority scheduling, and energy efficiency optimization to protect HVAC systems long-term.
