Review sentiment: 60/100
Overview
Johnstone Supply lists broad HVACR parts and commercial equipment inventory. The site lists modern refrigerant alternatives including R32 and R454B. Johnstone Supply notes "satisfaction guaranteed" on its store pages. Local parts access in Waterloo shortens repair delays during humid Iowa heat waves.
Wholesale HVAC parts and commercial equipment supplier serving Waterloo contractors and technicians. Modern refrigerant alternatives are listed on the site, including R32 and R454B. Satisfaction guaranteed is stated on the store pages. Local storefront at 2661 Geraldine Rd provides immediate parts pickup for urgent repairs.
Pros & cons
Pros
Services offered (self-reported)
Cons
- Smaller review history (11 Google reviews)
- Mixed customer sentiment (score 60/100)
Service area
Contact & hours
📞
🌐
✉️
📍
🕒
Call to confirm 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 (11 Google reviews); Mixed customer sentiment (score 60/100).
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 +1-319-233-0525. Address: 2661 Geraldine Rd, Waterloo, IA 50703, USA.
What does emergency AC repair service typically cost when working with a Waterloo, IA provider like Johnstone Supply?
After-hours / weekend emergency service call typically runs $140–$275, and holiday emergency service call runs $210–$460 in Waterloo, Iowa. These are area-wide market estimates, not Johnstone Supply's quotes. For an exact price, request a written estimate from Johnstone Supply.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Johnstone Supply (this company) |
— | 4.2★ (10+) | — |
| 65/100 | 4.5★ (50+) | 21+ | |
Air Services Heating, Air Conditioning and Controls ⭐ No Overtime or Holiday Surcharge · ⭐ Best for Weekend & Holiday Service · ⭐ Best NATE-Certified Shop |
78/100 | 4.9★ (130+) | 10+ |
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Profile last updated July 27, 2026.