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Ductless Mini-Split Repair & Installation in Madison, WI

Expert Services for Your Efficient Climate Control System

Ductless mini-split air conditioners are an excellent way to achieve zoned air conditioning in your home, especially if the structure has no ducts. They have the advantage of heating and cooling and are highly energy-efficient. If you’re looking into ductless mini-splits for your Sun Prairie, Madison, or Middleton home or you need service for your current system, Action Plumbing, Heating, AC & Electric is here to get the job done.

Ductless Mini-Split Basics

Although mini-splits have a small footprint, they’re complex systems for both heating and cooling your home. Take a look at our basics to answer your questions about ductless mini-splits.

Ductless Mini-Split Installation & Replacement

One of the advantages of mini-splits is their long life span. You can expect your system to run well for around 20 years outside of coastal areas and with proper maintenance. When it’s time to replace your system, you may notice issues like:

  • Fluctuating temperatures
  • Poor performance
  • Climbing electric bills
  • Growing need for multiple repairs

If your ductless mini-split is wearing out and needs a replacement, call Action and make an appointment to find the right option for professional installation.

Call (608)-837-3638 to talk to a friendly and knowledgeable representative or schedule an appointment directly online.

Ductless Mini-Split Repair Services

Despite their overall durability, ductless mini-splits can sometimes develop issues that require repair. Some of the more common repairs we perform are in response to:

  • The unit is dripping or failing to drain water
  • The unit is not heating or blowing warm air
  • The unit is not cooling or blowing cool air
  • The system is not dehumidifying the space
  • The system won’t turn on

Our expertise in ductless mini-splits allows Action technicians to quickly diagnose and repair the root causes of these issues and more. We even offer 24/7 emergency service, so you don’t have to wait for critical fixes. Don’t hesitate to call today.

Ductless Mini-Split Maintenance

If you want to get the most out of your mini-split system and keep it running efficiently for years to come, it’s important to schedule regular maintenance. During inspection and tune-ups, Action technicians do the following:

  • Check that the outside unit is clear of debris
  • Inspect evaporator fins and coils
  • Clean or replace filters
  • Confirm or replenish refrigerant levels
  • Empty and clean the condensate pan
  • And more!

Contact Action for prompt and efficient maintenance to keep your mini-split running strong all year round.

Ductless Mini-Split FAQs

Finished attics, sunrooms, additions, and rooms far from the central system are ideal. Ductless gives targeted cooling and heating without extending ducts, which is helpful in older homes around Madison, Waunakee, and Verona.

Single-zone systems condition one area with one outdoor unit. Multi-zone systems connect several indoor heads to a single outdoor unit. Consider how independently you want to control each space, line-set routes, and total capacity needs.

Yes. In cooling mode, they remove moisture while dropping temperature. In very humid stretches, setting fan speed to auto and avoiding oversizing helps longer dehumidifying cycles for better comfort.

Mount high on an interior wall with clear airflow and away from heat sources. Avoid blowing directly across long hallways. Ceiling cassettes work well when wall space is limited.

Indoor heads typically run at library-level sound. Outdoor units are quieter than most traditional condensers. Proper vibration isolation and solid mounting keep noise low for you and your neighbors.

Manufacturers specify maximum total length and vertical separation between indoor and outdoor units. A site visit confirms routes that respect those limits while keeping efficiency strong.

Yes. Many homeowners keep central air for main areas and add ductless for problem rooms. Controls remain independent so you can run only what you need.

Most include washable filters that capture dust and pollen. Some models add enhanced filtration. Cleaning schedules matter, especially in spring and early summer around Dane County.

Keep the base above average snow levels, clear drifting snow, and maintain open airflow on all sides. Proper placement and clearance prevent winter performance issues.

Confirm panel capacity, breaker size, and GFCI or disconnect requirements. An electrician or HVAC installer will verify code-compliant wiring and grounding for safe, reliable operation.

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What To Expect

Discover The Difference

100% Customer Satisfaction

We're in the business of keeping our customers satisfied with every repair, installation, and maintenance appointment we fulfill.

Experience-Forward

Our friendly and experienced technicians work their hardest to minimize all stress and disruption associated with service.

Same-Day Water Heater Installs

We know how stressful it is to be left without hot water, so we offer same-day water heater installation for your ultimate convenience.

Value-Focused

You'll never go through unnecessary upsells with Action because we believe in providing maximum value for every customer.

Family-Owned

As a family-owned business, we prioritize providing our neighbors with the best customer service in the industry.

Online Specials

Home services can sometimes be a challenge to finance, so we offer various online specials to put repairs and installation within reach.

100% Customer Satisfaction

We're in the business of keeping our customers satisfied with every repair, installation, and maintenance appointment we fulfill.

Experience-Forward

Our friendly and experienced technicians work their hardest to minimize all stress and disruption associated with service.

Same-Day Water Heater Installs

We know how stressful it is to be left without hot water, so we offer same-day water heater installation for your ultimate convenience.

Value-Focused

You'll never go through unnecessary upsells with Action because we believe in providing maximum value for every customer.

Family-Owned

As a family-owned business, we prioritize providing our neighbors with the best customer service in the industry.

Online Specials

Home services can sometimes be a challenge to finance, so we offer various online specials to put repairs and installation within reach.

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I needed our heater fixed and they were able to make it happen the same day. Andrew came out, was thorough in his diagnosis & explanation, and repaired our heater. I appreciate the service and am thrilled it was able to be done at the time…

Deb C.

Deb C.

We had Troy from Action Plumbing help us today with an outside faucet issue and he did a great job. He was fast acting, considerate, and offered some ideas for use to pursue in the spring with warmer weather. Thanks Troy!

Brenda W.

Brenda W.

Just had Andrew fix our furnace. He was amazing, helped me to understand what I needed to do so that furnace stays in good condition. Also very reasonable priced.

Rayne L.

Rayne L.

Water heater went out overnight. Gave them a call at 7 am and they were at the house by 9. Highly satisfied. This is the third time I have used Action (2 plumbing, 1 electrical) and they have always done a great job. Pricing is competitive/fair…

Ross C.

Ross C.

We are very happy with all the hard work the guys all did today! I would highly recommend this company they were all great an very polite. Can't thank you guys enough for all the work that was done today. They were all awesome.

Katie R.

Katie R.