Review sentiment: 50/100
Overview
Johnstone Supply lists dedicated mini-split product lines and contractor support. The site notes financing options for larger equipment purchases. Modern refrigerants such as R-32 and R-454B are included in product listings. Many local HVAC contractors use distributor stock during Davenport's cold winters and shoulder seasons.
Wholesale HVAC distributor serving Davenport contractors and homeowners seeking installer-accessible equipment. Financing available per their store pages for larger purchases. Modern refrigerants are listed explicitly, including R-32 and R-454B. Mini-Split Systems are named as a specialization on the store profile.
Pros & cons
Pros
Services offered (self-reported)
Cons
- Smaller review history (20 Google reviews)
- Mixed customer sentiment (score 50/100)
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
Davenport, IAhome
Contact & hours
📞
🌐
✉️
📍
🕒
Call for hours (verify availability)
Frequently asked questions
What are the pros of Johnstone Supply?
Based on public records and customer reviews: Financing available; Mini-split system specialist.
What are the cons of Johnstone Supply?
Concerns flagged from public records and reviews: Smaller review history (20 Google reviews); Mixed customer sentiment (score 50/100).
When should I choose Johnstone Supply?
Choose them if: You need to finance the work.
What is the Vouched Score for Johnstone Supply?
44/100. Top contributing signals: Google Rating 67/100+ Review Sentiment 50/100, 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 +1-563-388-7777. Address: 5001 N Brady St, Davenport, IA 52806, USA.
What does HVAC service typically cost when working with a Davenport, IA provider like Johnstone Supply?
AC repair typically runs $145–$620, and full AC system replacement runs $5,250–$12,450 in Davenport, 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 Davenport, IA?
Yes. Johnstone Supply lists Mini-Split Systems among its services and serves Davenport, IA. Call +1-563-388-7777 for a quote.
Does Johnstone Supply do Indoor Air Quality in Davenport, IA?
Yes. Johnstone Supply lists Indoor Air Quality among its services and serves Davenport, IA. Call +1-563-388-7777 for a quote.
Does Johnstone Supply do Thermostat Installation in Davenport, IA?
Yes. Johnstone Supply lists Thermostat Installation among its services and serves Davenport, IA. Call +1-563-388-7777 for a quote.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Johnstone Supply (this company) |
— | 4.0★ (20+) | — |
Gabrilson Indoor Climate Solutions ⭐ Best for Heat Pumps · ⭐ Best for Mini-Splits / Ductless · ⭐ Best for Indoor Air Quality |
85/100 | 4.9★ (310+) | 80+ |
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Profile last updated July 27, 2026.