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Business Details
22 Years
experience
Premier Luxury Appliance Repair & Installation Services
At Black Diamond Service Co, we have dedicated ourselves to redefining luxury appliance care across New England. With over two decades of specialized experience, our team delivers precision installation and repair services for high-end brands including Sub-Zero, Wolf, and Asko. As a fully licensed and insured provider, we combine technical expertise with personalized service to ensure optimal performance of kitchen appliances, laundry systems, outdoor barbecues, and marine refrigeration. Our commitment to excellence is demonstrated through our status as an authorized service provider for Blue Star and Capital Cooking, while maintaining rigorous standards of craftsmanship.

We serve discerning clients throughout the New Hampshire Seacoast, North Shore Massachusetts, and Southern Maine regions, offering tailored solutions that prioritize safety, efficiency, and long-term satisfaction. Our behind-the-scenes approach emphasizes transparency, keeping clients informed at every project stage while delivering cost-effective, premium-quality results.
Services
Luxury Appliance Installation Custom Laundry Setups Outdoor Barbecue Areas Marine Refrigeration Solutions Premium Brand Repairs
Details
  • Year established: 2004
Highlights and features
  • We offer 20+ years of luxury appliance expertise
  • Our team is factory-authorized by leading manufacturers
  • We provide custom solutions for complex installations
  • Our technicians are fully licensed and insured
  • We guarantee transparent communication throughout projects
Associations and certifications
  • Blue Star
  • Capital Cooking
  • Faber Ventilation
  • Zephyr
  • Bertazzoni
Services
Luxury Appliance Installation
We specialize in precision installation of high-end appliances including Sub-Zero, Wolf, and Asko. Our certified technicians ensure perfect integration with existing systems while maintaining factory specifications. Custom configurations for kitchen appliances, laundry rooms, and specialty environments guarantee optimal performance and longevity.
Marine Refrigeration Solutions
Our marine refrigeration services address unique cooling requirements for yachts and boats. We install and service specialized systems that maintain performance in marine environments. Custom designs accommodate space constraints while ensuring energy efficiency and temperature consistency for onboard living spaces.
Custom Laundry Setups
We create tailored laundry solutions that maximize space efficiency and functionality. Our installations include premium brands with smart technology integration. From compact urban layouts to large-scale residential systems, we ensure proper ventilation and water management for long-term reliability.
Outdoor Barbecue Areas
Our outdoor kitchen installations combine luxury appliances with weather-resistant design. We integrate premium grills and refrigeration units into durable outdoor structures. Complete systems include proper gas lines, ventilation, and protective enclosures for year-round usability in coastal and inland environments.
Premium Brand Repairs
We provide authorized repair services for top-tier appliance manufacturers. Our technicians use genuine parts and factory-approved methods to restore performance. Comprehensive diagnostics identify root causes while maintaining warranty compliance. Regular maintenance programs extend equipment lifespan for commercial and residential clients.
Questions
What luxury appliance brands do you service?
We service most major luxury brands including Sub-Zero, Wolf, Asko, Blue Star, and Capital Cooking for kitchen, laundry, and marine applications.
Do you offer installation services for outdoor kitchens?
Yes, we specialize in complete outdoor kitchen installations featuring premium appliances, proper ventilation, and weather-resistant components for long-term durability.
Are your technicians certified by appliance manufacturers?
We are an authorized service provider for multiple premium brands, with factory-trained technicians maintaining official certification for proper repairs.
What areas do you serve?
We serve the New Hampshire Seacoast, North Shore Massachusetts, and Southern Maine regions for residential and commercial clients.
Can you handle complex marine refrigeration systems?
Our team specializes in marine refrigeration solutions, providing customized installations and maintenance for yachts and boats with specialized cooling needs.
Is your company licensed and insured?
Yes, we operate as a fully licensed and insured appliance service company with proper credentials for all installation and repair work.