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
Metro Detroit Heating & Cooling Pros.
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.
1945Serving Michigan families since 1945
3rdGeneration family business
FreeReplacement estimates
CallFast service by phone or form
Call today(248) 682-3100
Let our family help your family.Three generations of local HVAC service built around trust, comfort and clear recommendations.
A family HVAC company
A family story that started in 1945.
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.
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Personal HVAC guidance
Comfort advisors explain practical options so homeowners can choose confidently.
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Repair, maintenance and replacement
Routine service, emergency support, maintenance agreements and replacement estimates.
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Brands homeowners know
Product areas include Trane, Lennox, Carrier, Bradford White, Navien, Aprilaire and more.
Services
Everything your home needs to stay comfortable.
Below the fold, the site uses product and service imagery across every visual block so homeowners can quickly understand the equipment and services available.
Repair & Maintenance
Keep equipment running at full capacity with service, troubleshooting and maintenance agreements that help reduce surprises.
Call for service →
Air Quality
Improve indoor comfort with air filtration, humidification and air scrubbing options designed for cleaner, healthier-feeling air.
View products →Need a new furnace, AC, boiler or water heater?
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
Heating, cooling and air quality product categories.
Repurposed product imagery and a cleaner card layout make it easier for homeowners to understand available equipment options.
Air Conditioners
Efficiency options for Michigan homes.
Furnaces
Comfort, budget and quiet operation.
Boilers
Radiant heat and combi-unit options.
Water Heaters
Tank and tankless replacement.
Air Purifiers
Whole-home filtration solutions.
Humidifiers
By-pass, fan-powered and steam units.
Thermostats
Simple controls and smart options.
Filters
Furnace filters and humidifier media.
How it works
A simple path from problem to comfort.
1
Call or request a quote
Use the obvious phone number or send the form with your service need.
2
Talk with a comfort advisor
Share your system type, problem, timeline and comfort goals.
3
Review your options
Compare repair, maintenance or replacement recommendations clearly.
4
Schedule service
Book the visit and get your home back to comfortable.
Resources
Financing, rebates, tax credits and seasonal offers.
The resources area gives homeowners a cleaner way to learn about financing and savings opportunities before they commit to a project.
Financing
Apply through Michigan Saves. Contractor ID: 100257. Code: 9269.
Rebates & Tax Credits
Help homeowners understand available incentives for qualifying high-efficiency equipment.
Seasonal Coupons
Feature special offers from local publications, seasonal ads and homeowner promotions.
Careers
Join a local HVAC team with family roots.
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.
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Experienced Installer
For professionals who know residential HVAC equipment and installation.
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Dispatcher
For organized team members with HVAC parts and equipment knowledge.
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Family culture
A local business with a long history and a customer-first reputation.