Johnstone Supply
Sioux City, IA Mini-Split Installation
Overview
Multi-zone ductless systems are highlighted across their Sioux City store listings. Johnstone Supply lists ductless mini-split installation and multi-zone systems. The store notes modern refrigerants such as R410A and R32 alternatives. Sioux City winters favor correctly sized heat pumps for efficient heating. Store inventory includes line-sets and installation accessories for installers.
Distributor of ductless mini-split systems, with store support for installations in Sioux City. Multi-zone systems are listed on their site, and they average 4.7/5 from 12 Google reviews. Refrigerant listings include R410A and R32 alternatives, per product pages.
Score breakdown
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
Cons
- Smaller review history (12 Google reviews)
Services
Service area
Contact & hours
Frequently asked questions
What are the cons of Johnstone Supply?
What is the Vouched Score for Johnstone Supply?
How can I contact Johnstone Supply?
What does mini split installation service typically cost when working with a Sioux City, IA provider like Johnstone Supply?
Does Johnstone Supply do Mini-Split Systems in Sioux City, IA?
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Johnstone Supply (this company) |
55/100 | 4.7★ (10+) | — |
| 62/100 | 4.4★ (65+) | 50+ | |
Excel Comfort Inc ⭐ Best for Whole-Home Mini-Split Installation |
81/100 | 4.9★ (200+) | 9+ |
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Profile last updated July 27, 2026.