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Business Details
50+ Years
experience
Expert HVAC Solutions and Custom Chimney Caps in Pacifica
Established in 1949, AMS Coast Sheet Metal has been a trusted provider of heating, ventilation, and air conditioning services to the Bay Area for over seven decades. Owned and operated by Dennis Boulland and Todd Boulland, our team combines over 50 years of hands-on experience in mechanical trades to deliver reliable solutions for residential and commercial clients. We specialize in HVAC system sales, service, and installations, complemented by custom sheet metal fabrication. Our proprietary wind directional chimney cap addresses backdraft issues for wood-burning fireplaces and gas appliances, engineered with durable materials like type 304 stainless steel.

We maintain rigorous quality standards, offering tailored solutions for both stock and custom-sized projects. Our commitment to technical excellence extends to servicing all equipment makes and models, from small residential units to large-scale commercial systems. With a focus on innovation and customer satisfaction, we provide practical, long-lasting products and services backed by deep local expertise. Our facility in Pacifica, California, serves as a hub for precision craftsmanship and responsive support, ensuring clients receive personalized attention for every project.
Services
HVAC Service & Installation Wind Directional Chimney Caps Sheet Metal Fabrication Chimney Draft Repair Custom Ventilation Solutions
Details
  • Year established: 1949
Highlights and features
  • Serving the Bay Area since 1949 with HVAC expertise
  • Custom sheet metal fabrication for unique needs
  • Specialized wind directional chimney cap design
  • Experienced team with 50+ years of combined mechanical knowledge
  • Durable materials for long-lasting ventilation solutions
Services
HVAC Service & Installation
We provide comprehensive heating, ventilation, and air conditioning services including equipment sales, professional installations, and ongoing maintenance. Our technicians service all makes and models for residential and commercial properties, ensuring optimal system performance. With decades of experience, we deliver reliable climate control solutions tailored to specific building requirements.
Wind Directional Chimney Caps
Our patented revolving chimney caps eliminate backdraft issues in wood-burning fireplaces and gas appliances. The stainless steel design creates a venturi effect to remove smoke regardless of wind direction. Available in multiple materials and sizes, these caps provide permanent solutions for chimney draft problems.
Sheet Metal Fabrication
We create custom ventilation components and architectural sheet metal products using precision fabrication techniques. Our workshop produces durable solutions in stainless steel, galvanized, and copper materials, with capabilities for both standard and made-to-order specifications to meet unique project requirements.
People
Dennis Boulland
Owner
With decades of mechanical trade experience, Dennis Boulland oversees operations at AMS Coast Sheet Metal, applying his expertise in HVAC systems and sheet metal fabrication to ensure quality craftsmanship and customer satisfaction.
Todd Boulland
Owner
Todd Boulland contributes extensive mechanical field experience to AMS Coast Sheet Metal, focusing on technical innovation and precision fabrication for custom ventilation solutions while maintaining the company's commitment to quality service.
Questions
What HVAC services do you offer?
We provide sales, installation, and maintenance for residential and commercial heating and air conditioning systems across all equipment makes and models.
What is the wind directional chimney cap?
Our patented revolving chimney cap prevents backdrafts by redirecting wind to create a vacuum draft, removing smoke effectively for wood and gas fireplaces.
Do you offer custom sheet metal fabrication?
Yes, we create custom ventilation solutions in stainless steel, galvanized, or copper materials, with sizes from 6" to 18" or made-to-order dimensions.
What areas do you serve?
We primarily serve the Bay Area, including Pacifica, California, with local expertise in climate-specific material recommendations for optimal durability.
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