HVAC Services

Southeast Michigan

Estimates Provided Within 2-3 Days

Warranty Options Available

Weekend Emergency Services

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Reliable Heating and Cooling Solutions for Your Business

Alliance Mechanical has been serving Southeast Michigan since 1969, delivering comprehensive heating and cooling services backed by over a century of combined expertise. Our locally owned company handles everything from initial system planning and design through fabrication and professional installation, ensuring your comfort year-round.

We provide mechanical services with warranties that protect your investment, including 90-day labor coverage on repairs and full one-year manufacturer and installation guarantees. Our team offers detailed estimates within 2-3 days and weekend emergency services when you need us most. Contact Alliance Mechanical today to discuss your heating and cooling needs.

Alliance Mechanical has been serving Southeast Michigan since 1969, delivering comprehensive heating and cooling services backed by over a century of combined expertise. Our locally owned company handles everything from initial system planning and design through fabrication and professional installation, ensuring your comfort year-round.


We provide mechanical services with warranties that protect your investment, including 90-day labor coverage on repairs and full one-year manufacturer and installation guarantees. Our team offers detailed estimates within 2-3 days and weekend emergency services when you need us most. Contact Alliance Mechanical today to discuss your heating and cooling needs.

Why Choose Us

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Estimates Provided in 2-3 Days

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Weekend Emergency Services

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90‑Day Labor Warranties on Repairs

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1‑Year Manufacturer & Install Warranties

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Over 100 Years of Combined Experience

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Locally Owned Since 1969

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HVAC Installation

Our installation team brings decades of experience to every project, ensuring proper system sizing and efficient setup for optimal performance and longevity.
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HVAC Repair

We diagnose and fix heating and cooling issues quickly, offering weekend emergency services and comprehensive 90-day warranties on all repair work.
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HVAC Replacement

When repair isn't economical, we guide you through replacement options with transparent estimates and complete manufacturer and installation warranty coverage.

Our Recent Projects

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Here's what our satisfied customers are saying...

At Alliance Mechanical, we take pride in providing exceptional commercial installation, repair, and seasonal maintenance to our customers. We would be grateful if you could share your thoughts about our contractors with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Alliance Mechanical and let others know what you think.