Johnstone Supply
Ames, IA Indoor Air Quality · #4 of 3
Overview
Johnstone Supply lists ERV/HRV ventilators on its Ames store product pages. The store catalogs whole-home air cleaners and dehumidification products. Johnstone Supply notes financing is available for purchases. Ames homes face cold winters and summer humidity, increasing ventilation and dehumidification needs.
Distributor of HVAC and IAQ equipment with an Ames, IA store presence. ERV/HRV ventilator products are listed on the store pages. Financing available is stated on the site. Catalog includes whole-home air cleaners, filtration, humidifiers, and dehumidifiers.
Score breakdown
Ames, IA Indoor Air Quality average is 75/100. Ranks #4 of 3 listed Indoor Air Quality providers in Ames, IA.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. Ames average
| Signal | Johnstone Supply | Ames avg | Delta |
|---|---|---|---|
| Vouched Score | 55/100 | 75/100 | -20 vs avg |
| Google rating | 4.8★ | 4.7★ | +0.1 vs avg |
| Review volume | 4 | 975+ | -974 vs avg |
Pros & cons
- Smaller review history (4 Google reviews)
When to choose them
- You need to finance the work
Service area
Contact & hours
Frequently asked questions
What are the pros of Johnstone Supply?
What are the cons of Johnstone Supply?
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What is the Vouched Score for Johnstone Supply?
How can I contact Johnstone Supply?
What does indoor air quality service typically cost when working with a Ames, IA provider like Johnstone Supply?
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Johnstone Supply (this company) |
55/100 | 4.8★ (4) | — |
C&K Heating, Cooling, Plumbing & Gutters ⭐ Best for Whole-Home Air Purification · ⭐ Best for Measure-First Diagnosis |
88/100 | 4.9★ (2,690+) | 58+ |
| 73/100 | 5.0★ (175+) | 5+ | |
| 64/100 | 4.3★ (60+) | 60+ |
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Profile last updated July 27, 2026.