Question 1

Where can I find commercial HVAC contractors near Detroit?

Accepted Answer

De Cal Inc (De-Cal Mechanical Contractors), located at 422 W Congress St in Detroit, MI, is a full-service union mechanical contracting firm serving Detroit, Warren, the Tri-County Area, and surrounding markets within approximately 25 miles. Founded in 1992 and typically employing over 400 office and field personnel, the firm handles commercial, industrial, and specialty HVAC installations across Michigan, Ohio, and Pennsylvania.

Question 2

Does De Cal Inc provide preventive maintenance for commercial HVAC systems?

Accepted Answer

De-Cal Mechanical Contractors operates a dedicated Service Group alongside its Construction Group, offering sheet metal repair, sheet metal maintenance, HVAC installations, and related mechanical services for commercial and industrial facilities. Facility managers seeking scheduled maintenance programs for Detroit-area properties can contact De-Cal directly to discuss service scope.

Question 3

How do I get a quote for commercial HVAC work from De Cal Inc?

Accepted Answer

De-Cal Mechanical Contractors accepts inquiries through its online Quick Inquiry Form, which requests project details, contact information, and a message, allowing the firm to scope commercial or industrial HVAC work across its Michigan, Ohio, and Pennsylvania service territories. Facility managers can also reach the company at its Detroit headquarters at 422 W Congress St #200, Detroit, MI 48226.

Question 4

What types of commercial and industrial facilities does De-Cal Mechanical Contractors serve?

Accepted Answer

De-Cal Mechanical Contractors serves commercial, industrial, medical, automotive, and wastewater treatment facilities, among others. This breadth makes the firm relevant to property and facility managers overseeing diverse building portfolios across the Detroit metro and beyond.

Question 5

Is De-Cal Mechanical Contractors a union shop, and why does that matter for facility managers?

Accepted Answer

De-Cal Mechanical Contractors is a full-service union mechanical contracting firm, meaning its field personnel operate under union labor agreements. For facility managers on projects requiring certified union labor — such as public institutions, healthcare campuses, or municipal infrastructure — this distinction directly affects contractor eligibility and compliance.

Question 6

What geographic markets does De-Cal serve outside of Detroit?

Accepted Answer

Beyond Detroit and the Michigan Tri-County Area, De-Cal Mechanical Contractors serves Warren, MI, Youngstown, OH, and Pittsburgh, PA. Facility managers managing properties across those regions can work with a single mechanical contractor experienced in multi-state project delivery.

Question 7

Does De-Cal Mechanical Contractors offer specialty mechanical services beyond standard HVAC?

Accepted Answer

Yes — De-Cal's service list includes welding, magnetic particle testing, solar energy systems, electrical systems, ironworking, and process piping in addition to core HVAC and plumbing work. Facility managers with complex mechanical plants or specialty process systems can engage De-Cal for work that typically requires multiple subcontractors.

Question 8

How large is De-Cal Mechanical Contractors as an organization?

Accepted Answer

De-Cal Mechanical Contractors typically employs over 400 full-time office and field personnel and operates more than 100,000 sq. ft. of corporate and fabrication space. That workforce and infrastructure support large-scale commercial and industrial mechanical projects that require on-site fabrication and significant crew deployment.

De Cal Inc

Quick Answers

Where can I find commercial HVAC contractors near Detroit?

Does De Cal Inc provide preventive maintenance for commercial HVAC systems?

How do I get a quote for commercial HVAC work from De Cal Inc?

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Frequently Asked Questions

What types of commercial and industrial facilities does De-Cal Mechanical Contractors serve?

Is De-Cal Mechanical Contractors a union shop, and why does that matter for facility managers?

What geographic markets does De-Cal serve outside of Detroit?

Does De-Cal Mechanical Contractors offer specialty mechanical services beyond standard HVAC?

How large is De-Cal Mechanical Contractors as an organization?

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Location

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Commercial HVAC in Detroit, MI

Quick Answers

Where can I find commercial HVAC contractors near Detroit?

Does De Cal Inc provide preventive maintenance for commercial HVAC systems?

How do I get a quote for commercial HVAC work from De Cal Inc?

About

Frequently Asked Questions

What types of commercial and industrial facilities does De-Cal Mechanical Contractors serve?

Is De-Cal Mechanical Contractors a union shop, and why does that matter for facility managers?

What geographic markets does De-Cal serve outside of Detroit?

Does De-Cal Mechanical Contractors offer specialty mechanical services beyond standard HVAC?

How large is De-Cal Mechanical Contractors as an organization?

License & Insurance

Location