Business Details
50+ Years
experience
Emergency
services
Your Total Comfort Specialist in Marquette, MI
Since 1959, Duquaine has dedicated itself to serving the Marquette area with unwavering commitment to customer satisfaction. Our team prioritizes rigorous employee training and comprehensive customer care to ensure top-tier performance across all operations. Specializing in heating, cooling, air quality improvement, and humidification solutions, we deliver dependable service tailored to residential and commercial needs. Our 24-hour availability and fleet of fully stocked service vans enable rapid response for urgent repairs and routine maintenance. We maintain partnerships with leading brands like Trane and Mitsubishi to provide cutting-edge equipment and certified expertise. Through preventative maintenance programs and personalized support, we address diverse fuel types including natural gas, propane, and fuel oil.Our commercial services extend to refrigeration, ice machines, and exhaust systems, backed by a legacy of 65 years of local market knowledge. Customer testimonials consistently highlight our technicians' professionalism, attention to detail, and commitment to resolving complex issues efficiently. We guarantee transparent communication from initial consultation through project completion, ensuring every client receives tailored solutions that meet their specific comfort requirements. This enduring focus on quality and reliability has solidified our reputation as a trusted HVAC partner in the Upper Peninsula region.
Services
Heating Installation
Cooling Systems
Preventive Maintenance
Commercial HVAC
Refrigeration Repair
Details
- Year established: 1959
Highlights and features
- We offer 24-hour emergency service with real people answering calls
- Our team provides preventative maintenance programs for HVAC systems
- Six fully stocked service vans ensure rapid response times
- We service all brands and fuel types including natural gas, propane
- Commercial refrigeration and exhaust system expertise available
What people say
Job Well Done
Excellent service
Prompt and courteous
Great job
Happy customer
Services
Heating Installation
We specialize in complete heating system installation for residential and commercial properties. Our certified technicians handle all fuel types including natural gas, propane, and fuel oil while ensuring proper system sizing and energy efficiency. With partnerships from leading manufacturers like Trane and Mitsubishi, we provide equipment tailored to Michigan's climate needs. Our installation process includes vent modifications, thermostat placement, and system performance testing to guarantee optimal comfort and reliability for every client.
Cooling Systems
Our cooling solutions cover complete AC installation, replacement, and upgrades for homes and businesses. We service all major brands while offering energy-efficient models that reduce operating costs. Technicians perform detailed load calculations to determine proper system sizing and recommend supplemental dehumidification when needed. Commercial clients benefit from specialized cooling systems for food service operations and industrial applications. Every installation includes refrigerant line testing, electrical system checks, and performance verification to ensure maximum efficiency and comfort.
Preventive Maintenance
Our preventative maintenance programs help extend equipment lifespan while maintaining peak efficiency. Residential and commercial clients receive comprehensive inspections covering electrical components, refrigerant levels, and mechanical wear points. We clean coils, check combustion efficiency, and lubricate moving parts during scheduled visits. These regular maintenance checks help identify potential issues before they become emergencies while improving system performance. Clients enjoy priority service scheduling and reduced repair costs through our proactive maintenance approach.
Commercial HVAC
We provide specialized HVAC solutions for commercial properties including restaurants, retail spaces, and industrial facilities. Our services cover refrigeration systems, ice machines, exhaust ventilation, and climate control for food service operations. Technicians handle large-scale heating systems, walk-in cooler/freezer maintenance, and custom climate solutions. We offer 24/7 emergency support for business-critical systems and maintain inventory of common replacement parts for minimal downtime. Commercial clients benefit from tailored maintenance contracts and energy efficiency optimization services.
Refrigeration Repair
Our refrigeration services cover repair, maintenance, and installation for commercial and residential applications. We service walk-in coolers/freezers, beverage dispensing units, and food service refrigeration equipment. Technicians diagnose refrigerant leaks, repair compressors, and replace faulty components while maintaining food safety standards. We offer trailer rentals for temporary cooling needs and maintain a selection of used refrigeration equipment. Emergency repair services ensure minimal product loss for businesses while residential clients receive prompt attention for critical cooling failures.
Questions
What areas do you service?
We primarily serve the Marquette area and surrounding communities in Michigan's Upper Peninsula.
Do you offer emergency HVAC service?
Yes, we provide 24-hour emergency service with real technicians answering calls at all times.
Can you service older HVAC systems?
Our technicians service all brands and fuel types regardless of system age or original installer.
Do you offer financing options?
Yes, we provide financing options for HVAC equipment replacements and major system repairs.
What maintenance programs are available?
We offer customized preventive maintenance plans for both residential and commercial HVAC systems.
Do you work on commercial refrigeration?
Yes, we service commercial refrigeration units including walk-in coolers and food service equipment.
