--- title: Johnstone Supply, Sioux Falls SD: Reviews & Quotes | ServiceScout url: https://servicescoutlocal.com/business/g-79751fdb404c5504/ updated: 2026-11-01 --- [Service **Scout**](https://servicescoutlocal.com/) [How results are ordered](https://servicescoutlocal.com/how-results-are-ordered/) [List your business](https://servicescoutlocal.com/claim/) 1. [Home](https://servicescoutlocal.com/) 2. Johnstone Supply HVAC Contractors · Sioux Falls, SD # Johnstone Supply **4.8** [(14 (2021) reviews for Johnstone Supply )](https://servicescoutlocal.com/business/g-79751fdb404c5504/#reviews) Verified Wednesday: 7:30AM–5PM - Not yet claimed by the business Request a quote [+1 605-338-2652](tel:+16053382652)[Website](http://JohnstoneSupply.com/629) - Overview - Areas served - Hours - Reviews - Verification - FAQ - Quote ## Overview Johnstone Supply is listed under hvac contractors and is based in Sioux Falls. Category HVAC Contractors Estimates Ask the business Address 335 N Weber Ave, Sioux Falls, SD 57103 ## Areas served - Sioux Falls · based here ## Opening hours Hours as listed by the business | Wednesday: 7:30AM–5PM | |---| | Thursday: 7:30AM–5PM | | Friday: 7:30AM–5PM | | Saturday: 7:30AM–12PM | | Sunday: Closed | | Monday: 7:30AM–5PM | | Tuesday: 7:30AM–5PM | Holiday hours may differ. Call ahead to confirm. ## Reviews summary 4.8 14 (2021) reviews on public review sites Ratings and review counts come from public sources and are rechecked regularly. [How we use ratings](https://servicescoutlocal.com/how-results-are-ordered/) ## Verification **Verified** · 1 of 1 checks confirmed · 1 from public records, 0 from documents the business sent · last checked 2026-10-15 | Check | Result | Source | Reference | Checked | Comes from | |---|---|---|---|---|---| | Operating status | Confirmed | Overture Maps listing | – | 2026-10-15 | Public record | Swipe sideways to see the whole table. Verification confirms records and contact details. It doesn't rate the quality of work; that's what reviews are for. ## Public records: Sioux Falls Public and government data - People per square mile 2,528 [Calculated from U.S. Census Bureau 2025 estimates and Gazetteer land area](https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html) · 2025 - Land area 84.5 sq mi [U.S. Census Bureau, 2025 Gazetteer files](https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html) · 2025 - Sioux Falls residents 213,748 [U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025)](https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html) · July 1, 2025 - Population change since 2020 (from 192,737 (April 2020 base)) +10.9% [U.S. Census Bureau, Vintage 2025 population estimates (sub-est2025)](https://www.census.gov/data/tables/time-series/demo/popest/2020s-total-cities-and-towns.html) · 2020–2025 Figures from public sources, checked November 1, 2026. Figures tagged “Sample figure” show what our live public-data feed will fill in; they are not real counts. [How we use public records](https://servicescoutlocal.com/how-results-are-ordered/#data) ## Listed in - [HVAC Contractors in Sioux Falls](https://servicescoutlocal.com/south-dakota/sioux-falls/hvac-contractors/) · position 14 ## Questions about Johnstone Supply ### Is Johnstone Supply licensed and registered? Checked on October 15, 2026: operating status confirmed. The checks table on this page lists each source. ### How is Johnstone Supply rated? 4.8 out of 5 from 14 (2021) (2021) public reviews. ### Where does Johnstone Supply appear on ServiceScout? On the HVAC contractors list for Sioux Falls. ### How do I contact Johnstone Supply? Call +1 605-338-2652. Or use the website link on this page. ## Request a quote from Johnstone Supply Takes about a minute. Your request goes to **Johnstone Supply only** . Free for you. Johnstone Supply may pay ServiceScout a fee for each request it receives; this doesn't affect its place in results. [Privacy](https://servicescoutlocal.com/privacy/) Records checked November 1, 2026 · [Report an error on this listing](https://servicescoutlocal.com/corrections/) · [Is this your business?](https://servicescoutlocal.com/claim/) ## Contact Phone [+1 605-338-2652](tel:+16053382652) Website [JohnstoneSupply.com/629](http://JohnstoneSupply.com/629) Address 335 N Weber Ave, Sioux Falls, SD 57103 Hours Wednesday: 7:30AM–5PM Request a quote ## At a glance Rating 4.8 (14 (2021)) License Not checked yet Verified Yes Rating and review count: Google Maps data, as of 2021. Address and phone: Overture Maps (© Overture Maps Foundation), October 15, 2026. Opening hours: Google Maps data, as of 2021. 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