Our Services

Explore our full range of affordable commercial repair services and HVAC system cleaning solutions. From HVAC Systems to commercial equipment, we’ve got you covered—call us today!

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Welcome to Capitol Mechanical Services

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We are locally owned for 35 years and service all makes and brands.From certified dishwasher repair to HVAC system cleaning services, we provide complete commercial solutions across Waipahu, Ewa Beach, and Pearl City. Our team handles everything from residential ovens to commercial refrigeration repair with precision and care. Get in touch to schedule affordable, high-quality service near you.

Preventive Maintenance Programs

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We understand that mechanical systems are the lifeblood of any commercial facility. Heating, cooling, ventilation, and plumbing systems must operate reliably and efficiently—not just for comfort, but for compliance, productivity, and safety. That’s why we offer comprehensive Preventive Maintenance and System Monitoring services designed to anticipate issues before they arise, reduce operational costs, and extend the lifespan of your equipment.

Our Commercial Repair Specialties:

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Scheduled Inspections & Performance Audits:

Our technicians conduct routine inspections based on manufacturer recommendations and industry best practices. We assess system performance, identify wear and tear, and flag potential issues before they escalate.

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Component Servicing & Adjustments:

We clean coils, replace filters, lubricate moving parts, tighten electrical connections, and calibrate controls to ensure optimal system performance and energy efficiency.

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System Diagnostics & Predictive Analytics:

Using advanced diagnostic tools and monitoring software, we track system behavior over time. This allows us to detect anomalies, forecast failures, and recommend targeted interventions.

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Compliance & Documentation:

We maintain detailed service logs, inspection reports, and compliance records to support regulatory audits and internal reviews. Our documentation ensures transparency and accountability.

Ice Machine Cleaning Services

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Welcome to Capitol Mechanical, your trusted partner for professional ice machine cleaning services. Our experienced team is committed to ensuring that your  cooling systems operate at their best, providing you with a healthier and more comfortable indoor environment.

Our HVAC Cleaning Services:

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Descaling and Sanitization of water lines:

Dirty ice machines can harbor mold, bacteria, and mineral buildup—putting your customers and reputation at risk. Our expert technicians perform deep cleaning, sanitization, and maintenance to ensure your machine runs efficiently and produces clean, safe ice.

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Clean ice, clean reputation:

In the food and hospitality industry, ice isn’t just frozen water—it’s part of the customer experience. Whether it’s chilling a cocktail, preserving perishables, or serving patients in a healthcare setting, your ice must be clean, safe, and free of contaminants.

Commercial Refrigeration Repairs and Installation

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At Capitol Mechanical, we specialize in designing and installing high-performance refrigeration systems that meet the unique demands of commercial and industrial facilities. Our engineering-first approach ensures that every system we deliver is optimized for energy efficiency, occupant comfort, and long-term reliability—whether you're constructing a new building, renovating an existing space, or upgrading legacy infrastructure.

Built for Commercial Demands

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Engineering & System Design:

Our design process begins with a deep understanding of your building’s purpose, layout, and performance goals. We conduct load calculations, airflow modeling, and energy simulations to ensure your refrigeration system is precisely sized and configured.

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Installation and Commissioning:

Once the design is finalized, our installation team brings it to life with precision and professionalism. We manage every aspect of the build—from equipment placement and duct fabrication to control system setup and final commissioning.

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Why Choose Capitol Mechanical?

Decades of experience in commercial HVAC design and installation

Licensed, bonded, and insured professionals

In-house engineering and fabrication capabilities

Commitment to energy efficiency and sustainability

Transparent project management and communication