Mini-Split Installation & Service in Seattle

Professional Ductless Mini-Split Services in Seattle, WA & Surrounding Areas

Looking for energy-efficient climate control in the Pacific Northwest? Windsanity Mini Splits provides expert mini-split installation, service, and support throughout the Seattle area, including Bellevue, Renton, Tacoma, Everett, and Kirkland.

Whether you're upgrading your current HVAC setup, finishing a basement, or adding comfort to a detached garage or ADU, our team offers customized mini-split solutions designed for long-term performance and energy savings.

Why Choose Windsanity in Seattle?

Certified & Experienced Installers
Our team is trained in all leading ductless brands, including MrCool, Pioneer, and Mitsubishi, and understands the specific demands of the Seattle climate.

Ideal for the Pacific Northwest
Mini-split systems are well-suited for Seattle’s mild, damp climate—offering reliable heating during chilly winters and efficient cooling in warmer months without the need for ductwork.

Veteran-Owned, Customer-Focused
With over 75 years of combined HVAC experience, we take pride in providing transparent, high-quality service backed by professionalism and integrity.

Remote Estimates & Nationwide Shipping
Whether you're in downtown Seattle or a nearby suburb, we offer remote consultations, direct system shipping, and installation support to make the process seamless.

Our Seattle Mini-Split Services Include:

Complete ductless mini-split system installation (single-zone & multi-zone)
Replacement of old or inefficient HVAC units
Mini-split repair, troubleshooting & annual tune-ups
DIY-friendly system setup support
Custom climate control for basements, garages, ADUs, home offices, tiny homes & more

Common Mini-Split Applications in Seattle Homes:

Retrofitting older Seattle homes without existing ductwork
Climate control for detached studios, garages, and rental units in Ballard or Beacon Hill
Heating/cooling for finished basements in Bellevue or Issaquah
Comfortable year-round temperatures in tiny homes or backyard cottages (DADUs)
Quiet, efficient systems for home offices or nursery spaces

Recent Seattle Project Review

"Windsanity installed a 3-zone mini-split in our older Green Lake home. It was fast, clean, and the team explained everything. We love having zoned heating now without needing ducts!"
– Jason R., Seattle, WA

Get Started with a Free Estimate

We offer honest pricing, professional guidance, and energy-efficient solutions for homes across the Seattle metro area. Contact us today for a free consultation or to learn more about installing a mini-split system in your space.

Serving Seattle, Bellevue, Everett, Tacoma, Redmond, Kirkland, Renton, Issaquah, and nearby cities.