Review sentiment: 60/100
Overview
Commercial AC replacement focus is prominent across the Rochester location listings. The site lists A2L certification for newer refrigerant work. Inventory pages list modern refrigerants such as R-454B and R-32 alternatives. Minnesota market pages reference live-fire trainings and contractor resources locally.
Commercial AC replacement and wholesale HVAC parts for Rochester facilities. A2L certification is listed on the store pages. Modern refrigerant inventory includes R-454B and R-32 alternatives. Site lists extended warranties and OEM evaporator coils inventory.
vs. Rochester average
| Signal | Johnstone Supply | Rochester avg | Delta |
|---|---|---|---|
| Google rating | 4.2★ | 4.9★ | -0.7 vs avg |
| Review volume | 10 | 2,900+ | -2894 vs avg |
Pros & cons
Pros
Services offered (self-reported)
Cons
- Smaller review history (10 Google reviews)
- Mixed customer sentiment (score 60/100)
When to choose them
- You have a commercial property
Services
Service area
Contact & hours
📞
🌐
✉️
📍
🕒
Call for hours or visit the provider website for current hours
Frequently asked questions
What are the pros of Johnstone Supply?
Based on public records and customer reviews: Satisfaction guarantee.
What are the cons of Johnstone Supply?
Concerns flagged from public records and reviews: Smaller review history (10 Google reviews); Mixed customer sentiment (score 60/100).
When should I choose Johnstone Supply?
Choose them if: You have a commercial property.
What is the Vouched Score for Johnstone Supply?
46/100. Top contributing signals: Google Rating 73/100+ Review Sentiment 60/100, Llm Score 39/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How can I contact Johnstone Supply?
Call Johnstone Supply at +1-507-780-1600. Address: 1929 7th St NW, Rochester, MN 55901, USA.
What does AC replacement service typically cost when working with a Rochester, MN provider like Johnstone Supply?
Full AC system replacement typically runs $5,800–$13,700, and AC condenser replacement runs $1,250–$4,450 in Rochester, Minnesota. These are area-wide market estimates, not Johnstone Supply's quotes. For an exact price, request a written estimate from Johnstone Supply.
Does Johnstone Supply do Commercial HVAC in Rochester, MN?
Yes. Johnstone Supply lists Commercial HVAC among its services and serves Rochester, MN and Replacement Rochester, MN. Call +1-507-780-1600 for a quote.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Johnstone Supply (this company) |
— | 4.2★ (10) | — |
Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning ⭐ Highest Vouched Score · ⭐ Best for Full-System Changeout · ⭐ Best NATE-Certified Installer |
88/100 | 4.9★ (3,660+) | 50+ |
| 87/100 | 4.8★ (4,305+) | 38+ | |
Blue Ox Heating & Air ⭐ Best for Honest Replace-vs-Repair · ⭐ Best for High-Efficiency Upgrades |
82/100 | 4.9★ (740+) | 13+ |
Listed in
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Profile last updated July 27, 2026.