
Installation & Replacement
For aging systems or costly repairs, get a practical recommendation and free replacement estimate for furnaces, air conditioners, boilers and more.
Request estimate →Established 1945 • 3rd generation family business serving Metro Detroit
Otto A. Trzos Co., Inc. has proudly served southeastern Michigan since 1945. This vintage-inspired redesign honors the company's roots while making it easy for Metro Detroit homeowners to book a call, request a quote and explore heating and cooling solutions for every season.
A family HVAC company
The redesign puts the family story front and center: established in 1945, still family owned and operated, and styled with a classic look that reflects the company's long history of trusted service in southeastern Michigan.
Comfort advisors explain practical options so homeowners can choose confidently.
Routine service, emergency support, maintenance agreements and replacement estimates.
Product areas include Trane, Lennox, Carrier, Bradford White, Navien, Aprilaire and more.
Services
Below the fold, the site uses product and service imagery across every visual block so homeowners can quickly understand the equipment and services available.

For aging systems or costly repairs, get a practical recommendation and free replacement estimate for furnaces, air conditioners, boilers and more.
Request estimate →
Keep equipment running at full capacity with service, troubleshooting and maintenance agreements that help reduce surprises.
Call for service →
Improve indoor comfort with air filtration, humidification and air scrubbing options designed for cleaner, healthier-feeling air.
View products →Call now for a quote, or send the form and let the team know what system you need, when you need it and how quickly you want a call back.
Products
Repurposed product imagery and a cleaner card layout make it easier for homeowners to understand available equipment options.

Efficiency options for Michigan homes.

Comfort, budget and quiet operation.

Radiant heat and combi-unit options.
Tank and tankless replacement.

Whole-home filtration solutions.

By-pass, fan-powered and steam units.
Simple controls and smart options.

Furnace filters and humidifier media.
How it works
Use the obvious phone number or send the form with your service need.
Share your system type, problem, timeline and comfort goals.
Compare repair, maintenance or replacement recommendations clearly.
Book the visit and get your home back to comfortable.
Resources
The resources area gives homeowners a cleaner way to learn about financing and savings opportunities before they commit to a project.

Apply through Michigan Saves. Contractor ID: 100257. Code: 9269.

Help homeowners understand available incentives for qualifying high-efficiency equipment.

Feature special offers from local publications, seasonal ads and homeowner promotions.
Careers
A simple careers section keeps the existing hiring message while presenting it in a more polished way for experienced installers, dispatchers and future team members.
For professionals who know residential HVAC equipment and installation.
For organized team members with HVAC parts and equipment knowledge.
A local business with a long history and a customer-first reputation.