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39 Years
experience
Emergency
services
Your Trusted HVAC & Refrigeration Experts in Oxnard
Koolco Mechanical was founded in February 1987 by Nick and Helen with a commitment to exceptional customer service. While many HVAC companies focused on housing construction during the market boom, we prioritized service excellence. Our journey began with residential repair and evolved into commercial refrigeration and HVAC expertise. We operate a full-service in-house sheet metal fabrication shop and hold electrical and plumbing licenses for comprehensive installations. Our technicians receive ongoing training at manufacturers' schools to stay ahead in a rapidly evolving industry. Certified in ozone-friendly refrigerant reclamation, we actively protect environmental health.

Serving Ventura and Santa Barbara counties from our Oxnard headquarters, we combine decades of experience with cutting-edge practices. Our affiliations with ASHRAE, ACCA, and other industry leaders underscore our technical authority. Customer trust remains our foundation, earned through reliability and standing by every service we deliver. From residential repairs to complex commercial systems, we provide tailored solutions backed by a legacy of integrity. Our 24/7 emergency service ensures businesses never face downtime due to climate control failures.
Services
Commercial HVAC Refrigeration Systems Sheet Metal Fabrication Emergency Repairs Air Conditioning Walk-in Coolers Plumbing & Electrical Climate Control
Details
  • Year established: 1987
Highlights and features
  • Specializing in HVAC and refrigeration since 1987
  • Offering 24/7 emergency service for critical systems
  • In-house sheet metal fabrication for custom solutions
  • Certified in ozone-friendly refrigerant reclamation practices
  • Technicians trained through manufacturer-specific programs
Services
Commercial HVAC Systems
Design, installation, and maintenance of commercial heating, ventilation, and air conditioning systems. Our services ensure optimal climate control for businesses of all sizes. With ongoing technician training and manufacturer certifications, we deliver energy-efficient solutions that reduce operating costs while maintaining comfort standards across Ventura and Santa Barbara counties.
Refrigeration Services
Full-service commercial refrigeration including walk-in coolers, freezers, and display cases. Our in-house fabrication capabilities enable customized solutions for restaurants, grocery stores, and industrial facilities. Certified in ozone-friendly refrigerant handling, we ensure environmental compliance while maintaining food safety standards through preventive maintenance and emergency repair services.
Sheet Metal Fabrication
In-house sheet metal manufacturing for HVAC systems and industrial applications. This capability allows us to create custom ductwork, enclosures, and components that perfectly match client specifications. Our fabrication processes support faster installations while maintaining strict quality control standards for commercial and residential projects.
Emergency Repairs
Around-the-clock emergency HVAC and refrigeration repair available statewide. Our rapid response team addresses system failures at any hour, minimizing business downtime. With pre-stocked service vehicles and immediate access to replacement parts, we restore critical climate control systems within hours rather than days during urgent situations.
Equipment Installation
Complete HVAC and refrigeration equipment installation with integrated electrical and plumbing services. We handle new construction and retrofit projects, ensuring proper system sizing and configuration for maximum efficiency. Our licensed technicians follow manufacturer guidelines while adhering to local building codes during every installation process.
People
Nick
Founder
Co-founded Koolco Mechanical in 1987 with a commitment to service excellence. Overseeing operations while maintaining hands-on involvement in complex installations. Recognized for strategic leadership in HVAC industry developments.
Helen
Co-Founder
Established Koolco Mechanical alongside Nick in 1987, focusing on customer relations and business development. Instrumental in building long-term client partnerships through consistent service guarantees and quality control initiatives.
Questions
When should I schedule HVAC maintenance?
Schedule before heating season starts. Early detection prevents emergency repairs during extreme weather conditions.
How often should I replace air filters?
Replace monthly during active system use. Clean filters improve efficiency and extend equipment lifespan.
Why maintain my HVAC system regularly?
Regular maintenance lowers energy costs, improves comfort, and reduces emergency repair frequency through preventive care.
Do you service both residential and commercial systems?
We provide comprehensive HVAC and refrigeration services for residential, commercial, and industrial clients across Ventura and Santa Barbara counties.
Can you handle refrigerant environmental regulations?
Our technicians are certified in ozone-friendly refrigerant reclamation procedures to meet all current environmental protection standards.
Are emergency repairs available after hours?
Yes, our 24/7 emergency service responds to critical HVAC and refrigeration failures at any hour across service areas.
Reviews (1)
John Costello
Aug 10, 2022 Report
I wanted to let you know how very pleased my wife and are with the new American Standard furnace and air conditioning system which you installed for us in December 2005. After two months of operation, we find that the new system is all that you said it would be and more. We also appreciated the fact that your installation crew was very efficient, which resulted in a minimum disruption in our day-to-day living during the system replacement.