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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."

New Branch in Benton Harbor!

To better serve existing and new customers we are opening our 6th branch Monday October 12, 2015 in Benton Harbor. The new location is located at 2106 M-139 right next to LeValley Chevrolet. Easy access off of I-94 at exit 28 Scottdale Road.

The building is undergoing a large addition to the warehouse portion so a complete inventory of larger equipment type items and installation products will not be available until November 15.

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!

40th Anniversary Celebration Open House in Grand Rapids
Thursday, Sept 10  2015

We celebrated our big 40th anniversary on Sept 10, 2015 with a huge open house at our Grand Rapids location. The event started at 11am under 2 big top tents and inside our drive thru area. There was live entertainment, classic car show, free seminars, product specials, premium door prizes, games and much more including a 66 booth trade show. The theme was "Back to the Future" looking at our beginnings and forward to the future. Lunch was a pig roast followed by a catered brisket and chicken dinner.  Live entertainment was provided by the “Moonrays” and there were many activities for the kids.

Pictures from the event can be found under the news tab on the left.

R22 Alternatives

With the phase-out of R22 looming and prices climbing, alternatives to R22 are getting more and more attention. In response we are stocking Arkema's R427a, Dupont's MO99 and ICOR's NU22B. Below are some links to documents that explain how to retrofit R22.

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.


The smarter wi-fi thermostat with
remote sensor.

Intuitively knows
when to turn your
 heating & cooling system on.


The ecobee3 now in Stock
at Johnstone!

Recent & Upcoming Price Changes

Modine price increase Sept 1, 2015
Dunkirk Boilers price increase 2-4%Aug 24, 2015
Navien price increase Oct 1st, 2015
Century Fasco Regal Beloit price increase Sept 1, 2015
Honeywell price increase 1-2.5% Sept 1, 2015
Aprilaire 3% price increase Sept 1,2015
Generalaire price increase various Sept 1, 2015
SpacePak price increase Aug 1, 2015
ThermoPan 5% price increase Aug 1st, 2015
US Motors price increase 2.5% Sept 1, 2015
Fasco Motors price increase 2.7% Aug 1, 2015
Tetco Accessories price increase July 1, 2015
Heatlink price increase 3% July 1, 2015
Fantech price increase 3% July 1, 2015
InfraSave 4% price increase May 1, 2015
JB & Assoc Warranties price increase various April 1, 2015
Packard various price increase Apr 1,2015
Nordyne/Miller price increase 3-4% April 1,2015
AO Smith price increase various April 1, 2015
Diversitech price increase 3-6% March 15, 2015
Broan/NuTone price increase various March 9, 2015
Flanders Air Filters price increase various March 9, 2015
Z-Flex 4% price increase Mar 1, 2015
Empire various price increase Mar 1, 2015
Goodman price increase up to 5% Mar 1, 2015
B&G various price increase Mar 1,2015
Webstone selected items increase Feb 15, 215
Emerson/Alco  price increase Feb 1, 2015
MARS various price increase Feb 1,2015
Grundfos various price increase Feb 1, 2015
Tecumseh price increase various Feb 1, 2015           
Parker Hannifin various price increase Jan 1, 2015    
UEI various price increase Jan 1, 2015
Aspen Coil various price change Jan 1, 2015
AO Smith tanks 5-6%  price increase Jan 1, 2015
Renewaire 5-8% price increase Jan 1, 2015
Hart & Cooley 3.5-6& price increase Jan 2, 2015
SUPCO various price increase Jan 1, 2015
Pro1IAQ various price increase Jan 1, 2015
Omegaflex 5% price increase Jan 1, 2015
Copeland various price increase Jan 1, 2015
Hart & Cooley 3.8-6% price increase Jan 2, 2015
Amana Thru-the -wall price increase Jan 1, 2015
Appion 3-4% price increase Jan 1, 2015
Fujitsu Equipment various price increase Jan 1, 2015
Bacharach various price increase Jan 1, 2015
ICP/Heil up to 5% price increase Jan 1, 2015
Lau various price increase Jan1, 2015
Browning various price increase Jan 1, 2015
Diversitech various price increase Jan 1, 2015
Proflex various price increase Jan 1, 2015


Click here to see our upcoming schools!

Find out about the latest energy incentives here!
Energy Incentives

Exclusive Cross-Referencing System

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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