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JOHNSTONE CATALOG View our award winning catalog online!

Did you know we deliver on our own fleet of trucks?
Find out more here.

Our Credit Application or our COD application is now available online. Requires Adobe Acrobat Reader.


24/7 Online Access
to your account.

Seal-Tite is simply the best brand available today.
Find out why.

Johnstone Supply is  your source for quality AO Smith water heaters!
From Our Website To Your Jobsite!
Need an online account? You can request one here.

Welcome to Johnstone Supply

Our Vision: "To become our customer's preferred wholesaler by exceeding expectations through quality service, added value and caring employees."

Spring Counterdays!

Follow the smoke signals to get lunch each day... free burgers and brats on the grill from 11am-2pm! Learn about the latest Viessmann boilers at the Vitomobile. Check out the new products from some of our leading manufacturers. Much more!

Tuesday Wednesday Thursday Friday
May 24 May 25 May 26 May 27
Benton Harbor Grand Rapids Muskegon Kalamazoo
11am-2pm 11am-2pm 11am-2pm 11am-2pm

Basic A/C Troubleshooting and Sequence of Operation Classes

Electrical Sequence of Operation, Testing & Troubleshooting •Refrigerant Circuit Operation, Importance of Superheat/Subcooling & How to Test •Duct System / Airflow Diagnosis •Best Installation Practices

May 31

$69 RSVP with Stacie today!

New Ecovent Wireless Zoning

Check out the new wireless zoning system by Ecovent. No wires or tubes to run and intelligent room by room zoning. Works with the popular Emerson Sensi thermostat and your favorite mobile device!

See your Johnstone representative for more information!

Benton Harbor Branch

To better serve existing and new customers we opened our 6th branch mid October in Benton Harbor. The new location is conveniently at 2106 M-139 right next to LeValley Chevrolet. Easy access off of I-94 at exit 28 Scottdale Road.

Stop in and say hi to branch manager Dave Brosco and the rest of the Benton Harbor team!

Our company was recently selected to be the Fujitsu VRF AirStage distributor. We are the only distributor with this designation in Michigan!

The extremely efficient Fujitsu VRF system allows from 6 to 24 tons with up to 45 heads on one system. Depending on the configuration you can cool in one part of the building while heating in another. In order to sell this advanced product you will need to attend our Fujitsu R.A.I.T training class.
Please inquire if interested!

Did you get the Johnstone Mobile App Yet?

• Real Time Order Entry!

• Pricing & Availability!
• Search for Products!
• Scan Barcodes!
• Product Pictures & Specs!
• Product Groups!
• Replenish your Inventory!
• Open Orders, Bids, Invoices!
• Payables Summary!

To sign up!  Just contact Neda Holt at or (231) 777-2727 ext. 1300. You will then receive a return email inviting you to download the Johnstone "OE Touch" app from either the Apple App Store or the Google Play Store for Android. You will also receive a temporary password which you will be prompted to change at your first login. Give it a try!

Now stocking Viega ProPress & MegaPress! 

Johnstone Supply is now stocking Viega ProPress & MegaPress fittings and accessories! Save time, labor and make more profit. Join the thousands of contractors who join copper and blackpipe with the Viega system. Ask your Johnstone representative for more information.

Recent & Upcoming Price Changes
Broan/Nutone price increase June 1 2016
price increase 2-6% May 26, 2016
M&G Duravent
price increase 4-11% May 1, 2016
(copper) price increase April 1, 2016
price increase April 1, 2016
price increase April 1, 2016
Viega Press Fittings
price increase April 1, 2016
UEI Instruments
price increase April 1, 2016
price increase April 1, 2016
Flanders Air Filters
price increase Apr 1, 2016
Goodman/Daikin price increase April 1, 2016
Goodman equipment 3% price increase Apr 1, 2016
Slant-Fin price increase March 3, 2016
Taco 2-4% price increase Mar 1, 2016
Source 1 Parts/UPG
price increase Mar 1, 2016
Hart & Cooley Registers 4-6% increase Mar 1, 2016
Sealtite price decrease/increase March 1, 2016
Empire price Increase Mar 1, 2016
M&G DuraVent 4-5% price increase Feb 8, 2016
Grundfoss price increase Feb 1, 2016
Howell Linesets
price increase Feb 1, 2016
Purolater Filters
2-5% price increase Feb 1, 2016
price increase 1-4% Feb 29, 2016
McDonnell Miller price increase Feb 1, 2016
NDL Copper fitings price increase Feb 1, 2016
Emerson Climate Tech price increase Feb 1, 2016
Diversitech price increase Jan 15, 2016
ICP/Heil equipment 3% price increase Jan 1, 2016
Renewaire price increase Jan 1, 2016
Tetco/Enertech 3% price increase Jan 1, 2016
Bacharach price Increase Jan 1, 2016
Browning price Increase Jan 1, 2016
Fantech price decrease Jan 1, 2016
Cliplight price Increase Jan 1, 2016
Grundfos price Increase Jan 1, 2016
Pro1 IAQ price Increase Jan 1, 2016
Robertshaw price 5% Increase Jan 1, 2016
Soler & Palau price Increase Jan 1, 2016
Spectronics price Increase Jan 1, 2016
Spirotherm price Increase Jan 1, 2016
White Rodgers price Increase Dec 1, 2015
Viessmann price increase Oct 1, 2015
Navien price increase Oct 1st, 2015

Click here to see our upcoming schools!

Find out about the latest energy incentives here!
Energy Incentives

Exclusive Cross-Referencing System

Flat Rate Pricing

Heating Solutions

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Learn more about Honeywell Generators!!
Honeywell Generators

Authorized Tecumseh Wholesaler
 & Condensing Units


 Geothermal Heat Pumps

Test Instruments

See us for all your Commercial Control Needs

Check out the new fireplaces from Empire that are priced to compete!

Miller offers the only 95% PVC vented furnace for mobile homes.
Find out here.

Johnstone Supply is your source for Aprilaire products.

High-Velocity Air Conditioning with small 2" outlets. Find out how.


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