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35 Years
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Emergency
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Trusted HVAC Solutions in San Jose
Since 1991, Cold Craft has established itself as a trusted leader in heating, ventilation, air conditioning, and refrigeration services across the Silicon Valley. Our team of certified technicians brings decades of combined experience to every project, specializing in residential and commercial HVAC systems, wine cellar refrigeration, and geothermal heating solutions. We prioritize customer satisfaction through proactive maintenance programs, advanced diagnostic tools, and a commitment to staying at the forefront of energy-efficient technologies. Our extensive background checks ensure technicians meet high security standards for sensitive facilities. With in-house sheet metal fabrication capabilities and 24/7 emergency service, we deliver comprehensive solutions for temperature control challenges.

Our expertise extends to complex systems in biotech environments, ultra-low temperature freezers, and specialized wine storage facilities. As an A+ rated Better Business Bureau member, we stand behind our work with extended warranties and financing options. Our team's deep local knowledge and technical proficiency have earned us exclusive partnerships with leading HVAC equipment manufacturers. Through continuous training programs and safety protocols, we maintain the highest industry standards for service excellence.
Services
HVAC Installation Wine Cellar Refrigeration Geothermal Heating Air Scrubber Systems Furnace Repair Commercial HVAC Maintenance Ductwork Testing Sheet Metal Fabrication Heat Pump Installation Refrigeration Repair
Details
  • Year established: 1991
Highlights and features
  • 30+ years serving Silicon Valley with HVAC expertise
  • Certified technicians with security clearances for sensitive facilities
  • 24/7 emergency service with priority for maintenance customers
  • Energy-efficient solutions with geothermal and heat pump technology
  • Exclusive 12-month buy-back guarantee on equipment
Associations and certifications
  • Better Business Bureau (BBB)
What people say
Professional technicians 24/7 emergency service Energy savings Clear explanations Timely appointments
Services
HVAC Installation
We provide complete HVAC system installation for residential and commercial properties. Our certified technicians handle all equipment types including furnaces, air conditioners, heat pumps, and mini-split systems. With in-house sheet metal fabrication capabilities, we ensure precise ductwork installation and modifications. Our team specializes in energy-efficient solutions that reduce operating costs while maintaining optimal comfort levels. From initial consultation to final testing, we deliver tailored climate control systems that meet exact specifications.
Wine Cellar Refrigeration
Our experts design and install specialized refrigeration systems for wine storage facilities. With decades of experience in temperature-controlled environments, we create solutions maintaining precise 55F and 70% humidity conditions. We service both residential wine cellars and commercial winery operations, offering maintenance programs for equipment from WhisperKOOL and Wine Guardian. Our technicians understand the unique challenges of low-temperature refrigeration systems and provide customized climate control solutions for valuable wine collections.
Geothermal Heating
We install and maintain geothermal heating and cooling systems that utilize the earth's stable temperatures. Our ClimateMaster-certified technicians handle ground-source heat pump installations for residential and commercial properties. This energy-efficient technology reduces utility costs by up to 70% while providing consistent climate control. We offer system design, drilling coordination, and maintenance programs for geothermal systems, including integration with existing HVAC infrastructure for optimal performance.
Air Scrubber Systems
We install ActivePure Technology air purification systems that eliminate 99% of surface contaminants and 90% of airborne pollutants. These NASA-developed systems integrate with existing HVAC ductwork to remove VOCs, pet dander, and odors. Our technicians handle professional installation and maintenance of photocatalytic air scrubbers that extend HVAC system lifespan by reducing particulate buildup. Ideal for allergy sufferers and commercial environments requiring high air quality standards.
Commercial HVAC Maintenance
Our comprehensive maintenance programs for commercial properties include quarterly inspections and preventive care. We service chillers, boilers, ice machines, and VAV systems in office buildings, schools, and industrial facilities. Our technicians perform duct pressure testing, efficiency reporting, and equipment diagnostics to prevent breakdowns. With experience in high-security DOD and DOJ facilities, we ensure compliance with strict maintenance protocols and documentation requirements.
People
Susan Nichol
CEO
Susan Nichol leads Cold Craft with over 30 years in the HVAC industry. She teaches HVACR courses at local colleges, ensuring our team stays at the forefront of technological advancements. Her leadership emphasizes continuous training and safety protocols.
Questions
What HVAC services do you offer for residential customers?
We provide complete residential HVAC services including installation, repair, and maintenance of furnaces, air conditioners, heat pumps, and mini-split systems. Specializing in energy-efficient solutions and wine cellar climate control.
Do you offer 24/7 emergency HVAC service?
Yes, we provide 24/7 emergency service for heating and cooling issues with priority given to preventive maintenance customers. Our technicians respond promptly to urgent situations.
What commercial HVAC services are available?
We offer commercial HVAC installation, maintenance, and repair for office buildings, schools, and industrial facilities. Services include VAV systems, chillers, boilers, and preventive maintenance programs.
Do you service wine cellar refrigeration systems?
Yes, we specialize in wine cellar refrigeration with technicians experienced in low-temperature systems. We service and install WhisperKOOL, Wine Guardian units, and custom climate control solutions.
What payment options are available?
We offer financing options for HVAC installations and major repairs. Payment plans are available for qualified customers to make energy-efficient upgrades more accessible.
Which areas do you serve?
We serve Santa Clara County, San Mateo County, and Alameda County including Campbell, Cupertino, Los Altos, Palo Alto, San Jose, and Fremont areas for residential and commercial HVAC needs.
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