Commercial Mini Split Installation
Reliable, efficient ductless heating and cooling for businesses, offices, and commercial spaces across the greater Seattle area. Minimal downtime. Professional results.
Get a Commercial QuoteSmart Climate Control for Seattle Businesses
Keep your employees comfortable and your energy overhead low. Commercial ductless mini split systems offer unmatched flexibility for Seattle businesses — whether you need to solve persistent hot spots in an open-plan office, provide dedicated cooling for a server room, or upgrade a retail space with a system that looks as professional as it performs.
Unlike traditional commercial HVAC, ductless systems can be installed with minimal disruption to daily operations, no ductwork tear-outs, and individual zone control that gives each area of your business its own temperature setting.
- Ideal for server rooms needing year-round precision cooling
- Solve persistent hot and cold spots in large offices
- Ceiling cassette units for a clean, professional appearance
- Individual zone control for different office areas
- Minimal disruption to business during installation
- Significant energy savings vs. traditional commercial HVAC
Commercial Applications We Serve
Offices & Conference Rooms
Zone each area independently — keep the open floor plan at one temperature while conference rooms stay cooler for high-density meetings.
Server Rooms & IT Closets
Precise, 24/7 cooling that operates independently of the main HVAC system — protecting your critical hardware from heat damage.
Retail Spaces
Ceiling cassette units deliver even, draft-free comfort without interrupting your store's aesthetic or foot traffic flow.
Medical & Dental Offices
Quiet, hygienic systems with advanced filtration — ideal for patient-facing spaces where noise and air quality are paramount.
Restaurants & Cafés
Supplement kitchen exhaust systems or climate-control dining areas independently — keeping customers comfortable during peak hours.
Light Industrial & Warehouses
Targeted comfort for break rooms, offices, and specialized areas within larger facilities without the cost of conditioning the entire building.
What's Included: Our Commercial Installation Process
We approach every commercial project with a detailed site assessment and a plan designed to minimize downtime.
Free Site Assessment
We visit your facility, evaluate each space's needs, and assess electrical capacity and unit placement options.
Load Calculation & System Design
We calculate precise BTU requirements for each zone and design a system that meets your business's unique needs.
Detailed Commercial Quote
You receive a comprehensive quote covering all equipment, labor, permits, and any relevant commercial rebates.
Scheduled Installation
We coordinate installation around your business hours — evenings, weekends, or phased installs to minimize disruption.
Handover & Support
We walk your facilities team through controls and maintenance, and provide documentation for every unit installed.
Brands We Install
Mitsubishi Electric
Mitsubishi's City Multi commercial line and residential multi-zone systems are among the most trusted in the industry — backed by one of the strongest commercial warranty programs available.
Daikin
Daikin offers a comprehensive commercial product lineup including ceiling cassettes, floor consoles, and ducted units — giving us the flexibility to meet any commercial layout requirement.
LG
LG's commercial ductless lineup provides excellent value for small-to-medium businesses, with reliable multi-zone performance and smart building controls.
Commercial Pricing Guide
Commercial projects vary based on square footage, number of zones, unit styles, and electrical infrastructure. Here's a general sense of what Seattle-area businesses invest:
Single-Zone Commercial
Starting around $3,500–$6,000
Server room, small office suite, or dedicated space requiring independent climate control.
Multi-Zone Office Install
Starting around $8,000–$20,000+
2–6 zone systems for open-plan offices or multi-room commercial spaces. Ceiling cassettes available.
Large Commercial Project
Custom quote required
Large offices, retail, or multi-tenant spaces. Free site assessment and detailed proposal provided.
Commercial systems may qualify for utility rebates and tax deductions under energy efficiency programs. We'll help identify every available incentive during your free site assessment.
Frequently Asked Questions
Ready to Beat the Seattle Weather?
Don't let the forecast dictate your comfort. Let Mark's Mini Splits bring year-round efficiency to your home with expert ductless installation.
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