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Premier HVAC Solutions in Bellevue, WA
Custom Mechanical Solutions is a commercial and industrial mechanical equipment representative dedicated to delivering integrated HVAC solutions across the Pacific Northwest. Our approach centers on building strong relationships with clients, understanding their unique requirements, and providing engineered solutions that align with their long-term goals. With over 200 years of combined mechanical engineering experience, our team prioritizes integrity, professionalism, and technical excellence to ensure systems perform reliably throughout a building's lifecycle.

We specialize in designing energy-efficient, sustainable HVAC systems that balance low energy consumption with occupant comfort, adhering to industry-leading standards. Our partnerships with top manufacturers and active involvement in organizations like ASHRAE and the US Green Building Council reinforce our commitment to innovation and quality. Clients trust us to deliver tailored solutions, supported by comprehensive service and parts offerings, ensuring operational continuity for their facilities.
Services
HVAC Systems Air Purification Cooling Towers Dehumidification Thermal Storage VRF Systems Water Chillers Ductwork Terminal Devices Parts & Service
Highlights and features
  • We have over 200 years of combined mechanical engineering experience.
  • Our team prioritizes integrity and professionalism in every project.
  • We design systems with energy efficiency and occupant comfort in mind.
  • We partner with leading manufacturers to ensure quality equipment.
  • We are active members of ASHRAE and the US Green Building Council.
Services
HVAC Systems
We design and implement integrated HVAC systems tailored to commercial and industrial buildings. Our solutions prioritize energy efficiency, sustainability, and long-term performance. Clients benefit from systems that reduce operational costs while maintaining optimal indoor air quality and comfort.
Air Purification
Our air purification systems eliminate contaminants and improve indoor air quality. Using advanced technologies, we address issues like wildfire smoke and ultrafine particles. Clients receive solutions that enhance occupant health and comply with industry standards for clean air environments.
Cooling Towers
We provide cooling tower inspections, repairs, and upgrades to ensure efficient heat rejection. Our engineers develop comprehensive repair plans that restore systems to OEM specifications. Clients gain reliable, cost-effective solutions that extend equipment lifespan and maintain operational efficiency.
Thermal Storage
Our thermal storage systems use ice and phase-change materials to optimize heating and cooling. These solutions reduce energy costs and peak demand charges. Clients benefit from flexible systems that integrate seamlessly with existing HVAC infrastructure for improved sustainability.
VRF Systems
We offer heat recovery VRF systems for commercial applications. These systems provide precise temperature control while minimizing energy consumption. Clients enjoy scalable solutions that adapt to varying building demands, ensuring comfort and efficiency across multiple zones.
Questions
What HVAC services do you offer?
We provide system design, equipment sales, installation support, and maintenance for commercial and industrial HVAC systems.
Which areas do you serve?
We operate throughout the Pacific Northwest, including Washington, Oregon, and Idaho.
Do you specialize in sustainable HVAC solutions?
Yes, we prioritize energy-efficient systems that reduce environmental impact while maintaining occupant comfort.
Can you assist with cooling tower repairs?
Yes, we offer comprehensive cooling tower repair and refurbishment services backed by engineering expertise.
Do you offer parts and service support?
Yes, we provide OEM parts and maintenance services for all equipment we represent.
Are you affiliated with industry organizations?
We are active members of ASHRAE and the US Green Building Council.