How long has Johnstone Supply been in business?

Johnstone Supply, the Balsan Group, has been family-owned and operated since

How can customers order from Johnstone Supply?

Customers can easily order from Johnstone Supply online, with the ability to get real-time pricing from anywhere. They also offer online payments and the option to request a quote.

What resources and tools does Johnstone Supply provide to customers?

Johnstone Supply offers resources such as the AHRI System Selector and Mini-Split System Selector to help customers build their HVAC/R systems. They also provide training and events for their customers.

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Voyager DBDeep data on millions of local businesses, with verified decision-makers to reveal.Contact ResearchHand-built prospect lists from human researchers, delivered in 24 hours.People SearchFind owners and decision-makers by job title, seniority and department.Chrome ExtensionColdlytics in your browser - prospect any business as you browse the web.IntegrationsInstantly, Smartlead, lemlist, Clay, HighLevel, plus Claude and ChatGPT over MCP.

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Johnstone Supply

$24.0M revenue • 120 employees • 30 Carey Cir, Hampden, ME, 04444, United States

Last Updated May 27, 2025

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Company Overview

Company Name

Johnstone Supply

Address

30 Carey Cir, Hampden, ME, 04444, United States

Website

johnstonesupplyme.com

Phone

(207) 942-0293

Approx. Annual Revenue

$24.0M

Employees

120

Established

2020

Google Reviews

5.0 (8 reviews)

About Johnstone Supply

Johnstone Supply is a leading HVAC/R supplier based in Portland, Maine, serving customers in Maine, Massachusetts, Pennsylvania, and Maryland. As a family-owned and operated business since 1995, the company offers a wide range of equipment, tools, supplies, and parts through its 19 showrooms and warehouses across the region.

Business Profile

Read from the Johnstone Supply website on Oct 14, 2026. Hover an item to see the exact wording it came from.

About the website

Website quality (AI-assessed): 8/10 · Current copyright 2026; Complete product and training info

Recent changes

What changed on the Johnstone Supply website and Google listing, as detected by Coldlytics on each visit.

Oct 14, 2026
Estimated headcount moved from 51-100 to 101-250 employees
Oct 14, 2026
Google Ads pixel installed

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HVAC Companies near Hampden, ME

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Frequently Asked Questions about Johnstone Supply

Advertising Pixels

Google Ad Pixel

Technologies Used

Key Decision Makers

Rick Hull President