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Air Conditioning

Ductless mini-splits in Boise: heating and cooling without ductwork

Ductless mini-splits in Boise and the Treasure Valley: heating and cooling for bonus rooms, additions, garages, shops and older homes without ducts. Drake installs, services and repairs them, and the technician who visits explains your options.

4.5 on Google from 450+ reviews
  • Since 1909
  • 24/7 service
  • One-Year Buy-Back
A ductless mini-split indoor unit mounted high on a wall

Is a ductless mini-split right for you?

A mini-split is a small heat pump: an outdoor unit connected to one or more slim indoor units by refrigerant lines. Each indoor unit has its own controls, so you heat or cool only the rooms you’re using.

They’re efficient, quiet and quick to install, because there’s no ductwork to run.

A ductless mini-split outdoor unit beside a house

Ductless mini-split installation, done right

Mini-splits only perform well when they’re sized and installed properly. We size each indoor unit to its room, place it where it will spread air evenly, and run and charge the refrigerant lines carefully so the system lasts. You get your options with a clear price before any work starts.

We also service and repair existing mini-splits, including weak heating, refrigerant leaks, drain problems and indoor unit error codes.

Ductless heating as well as cooling

Because a mini-split is a heat pump, it heats as well as it cools through most of a Treasure Valley year. That makes it a good replacement for electric baseboard or wall heaters in a room, and a comfortable way to heat a shop or garage. New ductless heating and cooling equipment comes with our One-Year Buy-Back Guarantee, and financing is available.

This month’s special

Water heater installation discount

Expires October 31, 2026. On a new water heater installation. Mention this offer when you call or book online.

$149.99 off Book this special

Online reviews

What your neighbors say

4.5 From 450+ reviews on Google
  • 5 out of 5 stars

    We had an excellent experience with Drake Mechanical. We needed a wine cellar AC split system repaired and they were able to help us out (apparently this requires a specialist). We appreciate their timely and professional repair.

    Shelley J. Google review

  • 5 out of 5 stars

    This is the second time Bryce has done repairs on my AC. He is so kind & knowledgeable and is thorough in explaining the issue and how it is being fixed. AC units are too expensive to replace & I appreciate that Bryce found other solutions.

    Jen B. Google review

  • 5 out of 5 stars

    We are extremely happy with Drake Mechanical and our Technician Kevin, who assisted us in a tremendously stressful time when our AC Unit had suddenly Failed … He walked us through what our best options were, recommending only what we needed explaining everything with such professionalism and care … He helped understand the estimates, gave us clear choices and set us up with affordable financing options. I HIGHLY RECOMMEND Drake Mechanical for any and all HVAC needs

    Precious L. Google review

  • 5 out of 5 stars

    Drake did a great job with my seasonal ac maintenance. Opened it up an checked it out, new filter, the works. He let me know the outside unit needed extra cleaning and did a spotless job. Thank you, means alot that I can rely on Drake to always do good.

    Juliana W. Google review

Read all 450+ reviews on Google

Comfortmaker Elite Dealer
  • BBB Accredited Business: Drake Mechanical, Inc. BBB Business Review
  • BusinessRate Top 3 2026 award winner
  • NATE: North American Technician Excellence
  • BBB Torch Awards for Ethics, 2014 winner
  • Buy Idaho Products & Services member

Why Drake

Why homeowners call Drake

  • Family-run since 1909 Five generations serving Treasure Valley homes.
  • No sales team, no pressure The technician who diagnoses the problem explains your options directly. You decide.
  • One-Year Buy-Back Guarantee If you're not 100% satisfied with your new heating or cooling equipment in the first year, we'll buy it back.
  • Financing available Spread the cost of a new system over time. See financing options

Common questions

Have a question that isn’t here? Call us any time at (208) 362-6200.

Can a ductless mini-split heat as well as cool?

Yes. A ductless mini-split is a heat pump, so it heats in winter and cools in summer. Many homeowners use one to keep a bonus room, addition or shop comfortable year-round.

How many rooms can one mini-split system handle?

A single-zone system has one indoor unit for one room or area. A multi-zone system connects several indoor units to one outdoor unit, so each room has its own thermostat. We’ll recommend the layout that fits your home.

Do ductless mini-splits need ductwork?

No. The indoor unit mounts on a wall or ceiling and connects to the outdoor unit through a small hole for the refrigerant lines and wiring. That’s why they’re a good fit for additions, garages and older homes without ducts.

Do you offer financing?

Yes. Residential customers can finance new equipment and larger repairs through Synchrony Bank, subject to credit approval. See our financing options for current plans.

Fast. Friendly. Fixed.

No heat, no hot water, or a leak that can’t wait? Call or text 24/7, or pick a time that works for you online. Just Drake it.

Call or text Drake

Available 24/7 for emergencies.

Call (208) 362-6200 Send a text