Johnstone Supply — Sioux City, IA Furnace Replacement…

Name: Johnstone Supply
Address: 1401 Cunningham Dr, Sioux City, IA, 51106, US
Telephone: +1-712-277-2200
Price range: $$
Rating: 4.7

Overview

Johnstone Supply lists furnace replacement and contractor-focused inventory for installers. The store notes combustion analyzers and CO detectors among available test instruments. Equipment listings include commercial and packaged rooftop furnace components. Sioux City winters raise the importance of correct venting and combustion verification for gas furnaces.

Johnstone Supply lists gas furnace replacement and contractor inventory in Sioux City. Combustion analyzers and carbon-monoxide detectors are listed among available tools. Commercial furnace replacement, including packaged and rooftop units, is listed on the store's service pages.

Score breakdown

Editorial Review 48 48%

Google Rating 90 18%

Local Search Rank 39 10%

Review Sentiment 85 16%

Review Volume 30 10%

Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →

Cons

Smaller review history (12 Google reviews)

When to choose them

You have a commercial property

Services

Furnace ReplacementCommercial HVAC

Service area

Sioux City, IAhome

Replacement Sioux City, IAhome

Office: 1401 Cunningham Dr, Sioux City, IA 51106, USA

Neighborhood: 1401 Cunningham Dr, Sioux City, IA 51106, USA

Contact & hours

📞

+1-712-277-2200

🌐

johnstonesupply.com/store339

✉️

[email protected]

📍

1401 Cunningham Dr, Sioux City, IA 51106, USA

🕒

Call for hours

Frequently asked questions

What are the cons of Johnstone Supply?

Concerns flagged from public records and reviews: Smaller review history (12 Google reviews).

When should I choose Johnstone Supply?

Choose them if: You have a commercial property.

What is the Vouched Score for Johnstone Supply?

59/100. Top contributing signals: Google Rating 90/100+ Review Sentiment 85/100, Llm Score 48/100. 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 +1-712-277-2200. Address: 1401 Cunningham Dr, Sioux City, IA 51106, USA.

What does furnace replacement service typically cost when working with a Sioux City, IA provider like Johnstone Supply?

Full gas furnace replacement typically runs $2,700–$5,850, and high-efficiency condensing furnace runs $4,050–$8,500 in Sioux City, 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 Furnace Replacement in Sioux City, IA?

Yes. Johnstone Supply lists Furnace Replacement among its services and serves Sioux City, IA and Replacement Sioux City, IA. Call +1-712-277-2200 for a quote.

Does Johnstone Supply do Commercial HVAC in Sioux City, IA?

Yes. Johnstone Supply lists Commercial HVAC among its services and serves Sioux City, IA and Replacement Sioux City, IA. Call +1-712-277-2200 for a quote.

Compare with nearby providers

Provider	Vouched	Google	Years
Johnstone Supply (this company) ⭐ Gas Furnace Replacement	59/100	4.7★ (10+)	—
Farrell's Heating & AC ⭐ Best for Commercial Furnace Replacement	64/100	4.4★ (65+)	50+
Excel Comfort Inc ⭐ Best for High-Efficiency (95%+ AFUE) Upgrades · ⭐ Best for Furnace + AC Changeout · ⭐ Best NATE-Certified Installer	78/100	4.9★ (200+)	9+

Listed in

Best Furnace Replacement in Sioux City, IA

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