⏱ 73+ years in business
Review sentiment: 50/100
Overview
Johnstone Supply lists mini-split systems and multi-zone ductless equipment for installers. Johnstone Supply notes inventory for indoor air quality products and smart thermostats. Johnstone Supply has 70+ years serving Missouri contractors. Joplin's hot, humid summers increase demand for efficient cooling and IAQ solutions.
Wholesale HVAC supplier serving Missouri, Arkansas, and Louisiana with parts and equipment for contractors. Product catalog lists mini-split systems, IAQ gear, and smart thermostats, per their site. Years in business: 70+ years since 1953. Modern refrigerant support (R32, R454B alternatives) appears in product listings.
vs. South Bend average
| Signal | Johnstone Supply | South Bend avg | Delta |
|---|---|---|---|
| Google rating | 3.7★ | 4.8★ | -1.1 vs avg |
| Review volume | 10+ | 645+ | -634 vs avg |
| Years in business | 73+ | 47+ | +26 vs avg |
Pros & cons
Pros
Strengths
- Long-established (73+ years in business)
Cons
- Smaller review history (14 Google reviews)
- Mixed customer sentiment (score 50/100)
When to choose them
- You prefer a family-owned operation
- You value a long-tenured local operator (73+ years in business)
Services
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
Service area
South Bend, INhome
Contact & hours
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Call for hours
Frequently asked questions
What are the pros of Johnstone Supply?
Based on public records and customer reviews: Long-established (73+ years in business); Specializes in mini split.
What are the cons of Johnstone Supply?
Concerns flagged from public records and reviews: Smaller review history (14 Google reviews); Mixed customer sentiment (score 50/100).
When should I choose Johnstone Supply?
Choose them if: You prefer a family-owned operation; You value a long-tenured local operator (73+ years in business).
What is the Vouched Score for Johnstone Supply?
48/100. Top contributing signals: Years In Business 100/100, Google Rating 57/100+ Review Sentiment 50/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How long has Johnstone Supply been in business?
Johnstone Supply has been operating for 73+ years in South Bend, IN.
How can I contact Johnstone Supply?
Call Johnstone Supply at +1-417-206-6640. Address: 1022 E 4th St, Joplin, MO 64801, USA.
What does HVAC service typically cost when working with a South Bend, IN provider like Johnstone Supply?
AC repair typically runs $140–$605, and full AC system replacement runs $5,150–$12,150 in South Bend, Indiana. 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 Mini-Split Systems in South Bend, IN?
Yes. Johnstone Supply lists Mini-Split Systems among its services and serves South Bend, IN. Call +1-417-206-6640 for a quote.
Does Johnstone Supply do Indoor Air Quality in South Bend, IN?
Yes. Johnstone Supply lists Indoor Air Quality among its services and serves South Bend, IN. Call +1-417-206-6640 for a quote.
Does Johnstone Supply do Thermostat Installation in South Bend, IN?
Yes. Johnstone Supply lists Thermostat Installation among its services and serves South Bend, IN. Call +1-417-206-6640 for a quote.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Johnstone Supply (this company) |
— | 3.7★ (10+) | 73+ |
Great Lakes Heating And Air Conditioning ⭐ Highest Vouched Score · ⭐ Most Transparent Pricing |
86/100 | 4.8★ (1,575+) | 69+ |
Goff Heating and Air Conditioning ⭐ Highest Vouched Score · ⭐ Best for Heat Pumps · ⭐ Best for Mini-Splits / Ductless |
93/100 | 4.9★ (1,095+) | 89+ |
A + Plumbing Heating & Cooling ⭐ Best for Furnace Repair · ⭐ Best for New System Installation |
80/100 | 4.7★ (415+) | 20+ |
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Profile last updated July 26, 2026.