Johnstone Supply
Waterloo, IA HVAC
ⓘVouched Score is calculated from publicly available signals: Google rating & review count, Yelp rating, BBB grade, review sentiment, years in business, local search ranking, and provider website content. Not a guarantee of service quality.Embed this score
Review sentiment: 60/100
Overview
Mini-split systems are listed among Johnstone Supply's product lines and accessories.
Johnstone Supply supplies HVAC equipment and parts, emphasizing mini-split and ductless systems locally. Mini-split systems include multi-zone and single-zone product listings. Modern refrigerants listed include R32 and R454B on inventory pages. Financing Available appears on the store's pages.
Score breakdown
Editorial Review
49
48%
Google Rating
73
18%
Local Search Rank
25
10%
Review Sentiment
60
16%
Review Volume
29
10%
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
Pros & cons
Pros
Services offered (self-reported)
Cons
- Smaller review history (11 Google reviews)
- Mixed customer sentiment (score 60/100)
When to choose them
- You need to finance the work
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
Waterloo, IAhome
Contact & hours
📞
🌐
✉️
📍
🕒
Call for current hours
Frequently asked questions
What are the pros of Johnstone Supply?
Based on public records and customer reviews: Financing available; Indoor air quality services; Mini-split system specialist.
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).
When should I choose Johnstone Supply?
Choose them if: You need to finance the work.
What is the Vouched Score for Johnstone Supply?
51/100. Top contributing signals: Google Rating 73/100+ Review Sentiment 60/100, Llm Score 49/100. 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 HVAC service typically cost when working with a Waterloo, IA provider like Johnstone Supply?
AC repair typically runs $140–$600, and full AC system replacement runs $5,100–$12,000 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.
Does Johnstone Supply do Mini-Split Systems in Waterloo, IA?
Yes. Johnstone Supply lists Mini-Split Systems among its services and serves Waterloo, IA. Call +1-319-233-0525 for a quote.
Does Johnstone Supply do Indoor Air Quality in Waterloo, IA?
Yes. Johnstone Supply lists Indoor Air Quality among its services and serves Waterloo, IA. Call +1-319-233-0525 for a quote.
Does Johnstone Supply do Thermostat Installation in Waterloo, IA?
Yes. Johnstone Supply lists Thermostat Installation among its services and serves Waterloo, IA. Call +1-319-233-0525 for a quote.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Johnstone Supply (this company) |
51/100 | 4.2★ (10+) | — |
| 67/100 | 4.6★ (75+) | 26+ | |
Mike Fereday Heating & Air Conditioning ⭐ Best for Emergency / 24-Hour Service · ⭐ Best for Mini-Splits / Ductless |
70/100 | 4.5★ (50+) | 21+ |
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Profile last updated July 27, 2026.