Ductless Mini-Split in the Greater Seattle Area
Get fast, expert ductless mini-split installation and repair today. Since 1991, our licensed technicians deliver tailored, energy-smart comfort that fits your home and budget. We serve the Greater Seattle Area, including Seattle, Bellevue, and Everett. Trusted locally with a 4.7 rating from 445 reviews and factory partnerships with Mitsubishi, Trane, and Carrier. Beat the first warm spell and keep rooms perfectly zoned. Request a free in-home estimate or call to schedule.
Each image is a real worksite photo, reflecting the quality and dedication in every project.
Why Choose Us
Why Homeowners Recommend Us
"They explained everything clearly and didn’t oversell. Highly trustworthy!"
"Luis is knowledgeable and professional. He got the work done in 1 hour!"
"We chose the heat pump after clear, no-nonsense advice. Energy bills are thanking us."
Answers to Common Questions
View All FAQsHow much does mini split repair typically cost for homeowners?
Mini split repair with Cardinal Heating & Air starts with a $79 diagnostic, and the final repair cost depends on the part needed and labor after we test the system on site. The most common cost drivers are the specific component that failed, how accessible the indoor or outdoor unit is, and whether a leak or electrical fault adds time. Same-day service is available to limit downtime. Our technicians service many mini splits around the Renton area, so we can often isolate the issue efficiently.
What can change your total:
- Fan motor or control board replacement versus simple sensor fixes
- Refrigerant leak detection and weighing in new charge after repairs
- Blocked drains or coil cleanings that restore performance without parts
- Warranty status on parts, especially for newer Mitsubishi systems
Final pricing is confirmed after the on-site diagnostic, so pause the system and keep the area clear until a technician checks it. <br/> Updated: 2026-06-04 <br/> Need help in Renton, WA? Call (425) 827-9997 or book online. “Cardinal installed a mini split in our home and we couldn't be happier. Everyone from the rep who gave the estimate, CS via phone, and the install team were professional and courteous. Highly recommend.” — Ashley Evanoff
[0] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2xOMGFFVkJWbFZZTWtaQ1NVOTBOMFpqUmtaNFJGRRAB!2m1!1s0x0:0xb5ecea2f984b9263!3m1!1s2@1:CAIQACodChtycF9oOlN0aEVBVlVYMkZCSU90N0ZjRkZ4RFE%7C0d0yp4m0X5a%7C[1] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT201RVEwbG9lVVZuYVZWVFNXOW9MVkJ6UTFSNmVuYxAB!2m1!1s0x0:0xb5ecea2f984b9263!3m1!1s2@1:CAIQACodChtycF9oOm5EQ0loeUVnaVVTSW9oLVBzQ1R6enc%7C0cXGPfBBK3n%7C[2] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2tkTGQxSkhPRzVKT0ZOSVdtbGhkR2xMY1dKQ2FHYxAB!2m1!1s0x0:0xb5ecea2f984b9263!3m1!1s2@1:CAIQACodChtycF9oOkdLd1JHOG5JOFNIWmlhdGlLcWJCaGc%7C%7C[3] https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2xOelJ6Tk5SVmRMZUZOS1kyMVVUbHBKV1VSMk0yYxAB!2m1!1s0x0:0xb5ecea2f984b9263!3m1!1s2@1:CAIQACodChtycF9oOlNzRzNNRVdLeFNKY21UTlpJWUR2M2c%7C0cgTEGpDOON%7C[4] https://cardinalheating.com/our-services/ductless-systems/[5] http://cardinalheating.com/careers[6] http://cardinalheating.com/#top[7] https://cardinalheating.com/hvac-services/heat-pump-maintenance/[8] https://cardinalheating.com/hvac-services/mini-split-installation/[9] https://cardinalheating.com/new-construction/[10] https://cardinalheating.com/[11] https://cardinalheating.com/hvac-services/How much does ductless mini split installation typically cost?
Ductless mini-split installation with Cardinal Heating & Air is available with financing as low as $209 per month, and the total project price depends on your system design and home needs. Most cost differences come from how many rooms you want to condition and the efficiency level of the equipment. We frequently design and install systems in the Everett area, and we account for tight spaces and older home layouts in our proposals. A single correctly sized outdoor unit with fewer, well-placed indoor heads usually costs less and runs quieter than oversizing.
Key factors that influence price:
- Number of zones/indoor heads and total system capacity
- Equipment brand and efficiency (Mitsubishi ENERGY STAR models available)
- Electrical needs, line-set length, and mounting style (wall vs. ceiling cassette)
- New construction integration vs. retrofit and any smart thermostat add-ons
An on-site assessment is the only reliable way to confirm your exact price. <br/> Updated: 2026-05-01 <br/> Need help in Everett, WA? Call (425) 827-9997 or book online. "Great experience swapping our oil furnace out for an electric heat pump!" — Jonathan Fontes
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Where We Work
What areas do you serve for ductless mini-split?
We serve the Greater Seattle Area, including Seattle, Bellevue, and Everett. See the full list of communities we cover below.