Business Details
23 Years
experience
Emergency
services
Expert HVAC Installation & Maintenance Services in Oxnard, CA
Founded in 2003, American Building Comfort carries forward a legacy of excellence in HVAC mechanical services dating back to 1976. Our company was built on the foundation of integrity, reliability, and superior craftsmanship established by our founder, who began his career as a sheet metal worker in Oxnard. Over decades, we've evolved from a local heating and air conditioning provider to a trusted partner for commercial, industrial, and federal government clients across Southern California. Our team of factory-trained technicians and skilled project managers delivers comprehensive HVAC solutions including installations, preventative maintenance, chilled water systems, and tenant improvements.With a state-of-the-art fabrication facility and a commitment to staying at the forefront of industry standards, we serve Ventura, Santa Barbara, and Los Angeles counties while maintaining the personalized service that has defined our company for generations. Our SBA certification and extensive government contracting experience position us as a preferred vendor for complex projects requiring security-sensitive expertise and mission-critical reliability.
Services
HVAC Installation
Chilled Water Systems
Preventative Maintenance
Sheet Metal Fabrication
Government Contracting
Tenant Improvements
Emergency Repairs
Details
- Year established: 2003
Highlights and features
- 35+ years combined experience in commercial HVAC systems
- 24/7 emergency service with rapid response times
- Factory-trained technicians with government security clearances
- Certified SBA small business contractor for federal projects
- Custom sheet metal fabrication capabilities on-site
Associations and certifications
- Small Business Administration (SBA)
- Ventura County Contractors Association
What people say
Excellent craftsmanship
Professional staff
Timely completion
Competitive pricing
Dependable service
Services
HVAC Installation
Our expert team specializes in complete HVAC system installations for commercial and industrial facilities. We handle everything from small package units to large-scale built-up systems, including boilers, cooling towers, and computer room air conditioning. With modern estimating software and experienced project managers, we ensure precise installations that meet all UMC and SMACNA standards while maintaining energy efficiency and client budget requirements.
Chilled Water Systems
We provide comprehensive chilled water system solutions for critical applications in schools, hospitals, and commercial buildings. Our expertise includes weekend replacements with minimal downtime, system troubleshooting, and maintenance of complex configurations. Our technicians have completed numerous projects requiring precise temperature control for laboratories and data centers, ensuring continuous operation during transitions.
Government Contracting
As SBA-certified contractors, we execute complex government projects including HVAC upgrades, structural repairs, and mission-critical system installations at military bases and federal facilities. Our team meets strict security requirements and has completed work at Los Angeles Air Force Base, Naval Base Ventura County, and other sensitive locations, maintaining safety protocols and compliance with federal construction standards.
Sheet Metal Fabrication
Our 8,500 sq ft facility produces custom sheet metal components for commercial HVAC systems. Capabilities include ductwork fabrication, roof coping, gutters, and decorative elements. This in-house service allows faster project completion and quality control, supporting both our construction projects and external client needs with precision-crafted metal solutions that meet all building code requirements.
Preventative Maintenance
Our tailored maintenance programs extend equipment life and prevent breakdowns during peak seasons. Services include system inspections, energy efficiency optimization, and emergency repair readiness for commercial HVAC units. We service everything from small retail units to large industrial systems, maintaining indoor air quality and minimizing operational disruptions through scheduled visits and proactive recommendations.
People
Mark Rosales
President
President of American Building Comfort since 2003, continuing family HVAC legacy started in 1976. Leads government contracting division with expertise in federal project execution and SBA program compliance.
Al Rosales
Founder
Industry veteran with 60+ years experience, founded Thermo Heating in 1976 after starting as sheet metal worker in 1957. Recognized National Minority Construction Firm of the Year recipient in 1994.
Questions
What HVAC services do you offer for commercial buildings?
We provide complete HVAC solutions including installation, maintenance, chilled water systems, sheet metal fabrication, and emergency repairs for commercial and industrial facilities.
Do you handle government and military construction projects?
Yes, we're SBA-certified and specialize in federal contracts, completing projects at military bases and government facilities with security-sensitive requirements.
Are your technicians available for emergency service?
Our 24/7 emergency service ensures rapid response for HVAC failures with technicians available at all times to minimize business disruptions.
What areas do you serve?
We serve commercial, industrial, and government clients throughout Ventura, Santa Barbara, and Los Angeles counties in Southern California.
Can you handle large-scale HVAC replacements?
Yes, our team specializes in complex replacements completed during weekends to minimize downtime, with systems operational by Monday mornings for critical facilities.
Do you offer preventative maintenance programs?
We provide customized maintenance plans to extend equipment life, improve efficiency, and prevent emergency breakdowns during peak usage seasons.