I love the ease of ordering on the…
I love the ease of ordering on the website. It is very user-friendly.
By Patti W.
Saturday, November 7, 2026 · Customer reviews of US businesses

The Fair Hearing score
Great
151 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
U.S.A. ManufacturerSince the company was founded in 1931, customers have come to recognize Dwyer Instruments to stand for quality, reliability, and readily available low cost products. As a leading manufacturer in the controls and instrumentation industry, we continue to grow and serve major markets such as indoor environmental quality, critical environments, and environmental & process industries. Applications are spread across many industries, including but not limited to: HVAC, chemical, food, oil and gas, and pollution control.People ExcellenceNew applications are discovered daily through a cooperative effort between Dwyer and its customers. It has been these relationships with our customers that allow us to continue to develop market demand products and further our success from leading established brand names such as the Magnehelic® differential pressure gages, Photohelic® pressure switch/gages, Rate Master® flowmeters, and Hi-Flow® valves.Market GrowthIn addition to new product development, Dwyer has added to its success through several acquisitions and has achieved additional market recognition. Respected names such as Mercoid Controls, Love Controls, W.E. Anderson and Proximity Controls have created new markets and further build on the solid reputation that Dwyer has and continues to sustain. Our ability to successfully diversify demonstrates Dwyer’s managed approach to the marketplace. This approach continues to maintain stability of the company, therefore providing a basis for positioning ourselves as a leader in providing knowledgeable, prompt, and courteous customer service.As our customer, prospect, or potential employee, we always want to hear from you. Please feel welcome to contact us anytime.Phone: (219) 879-8000; Fax: (219) 872-9057
Dwyer Instruments (dwyer-inst.com) has 151 customer reviews on The Fair Hearing, with an average rating of 4.2 out of 5.
151 approved reviews, newest moderated first
I love the ease of ordering on the website. It is very user-friendly.
By Patti W.
Easier than trying to get what I needed at Grainger. Complete selection was actually able to find a better product for my needs not stocked at Grainger. No Grainger markup.
By Mike C.
I will provide only three stars since the price does not reflect the discount allocated with my account. Thanks.
By PRAVIN P.
ordering went smooth
By LLOYD T.
on line site - very user friendly
By Mary
As always, helpful and knowledgable
By Frank L.
Solid products, great pricing
By Joseph G.
good prices, quick delivery, easy to use website
By David V.