INNOVATIVE COMMERCIAL / INDUSTRIAL HVAC EQUIPMENT AND WATER TREATMENT

When you want the highest efficiency and the lowest equipment cost.

SAINT LOUIS 636.537.1919

KANSAS CITY 913.438.1919

TULSA 918.664.0312

OKLAHOMA CITY 405.842.4222

A Trusted Name Since 1923


We are a commercial HVAC equipment supplier. Customer service has allowed us to grow for almost 100 years. We strive to return calls and emails immediately, carry only reliable product lines, have a 24-hour emergency service number, and provide continuous training to our team in an effort to be your most trusted partner and advisor.

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HVAC SYSTEMS ⇾
Air-side and Hydronic Equipment

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marley nc tower on roof

COOLING TOWERS ⇾
New, Repair, and Reconstruction

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WATER TREATMENT ⇾
Process and Domestic Treatment

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OEM SERVICE ⇾
In-House Technicians

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Case Study: See how Design Envelope Pumps Saved 68% in Energy Costs

Florida Power & Light upgraded their existing HVAC system to use Armstrong Design Envelope pumps. As a result they have reduced the energy costs for select pumps by as much as 68%, saving thousands of dollars per year.

Qualifies for significant cost savings under utility and government rebates

Intelligent controls can save up to 75% in energy savings vs. constant speed

Perfect pump match-up and selection especially in retrofit situations

Eliminates the need for inertia bases, housekeeping pads, and flex connects

Eliminate separate mounting of VFD

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Midwest Machinery has recently worked on an Armstrong pump project for the new Journey Elementary school in Wentzville, MO, saving the school more than 60 thousand dollars in equipment, materials, and installation costs.

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