Business Details
50+ Years
experience
Emergency
services
Expert HVAC, Plumbing & Fire Protection Services
Founded in 1972, Nasseff Mechanical Contractors has built a legacy of excellence in mechanical contracting through an unwavering commitment to integrity, quality craftsmanship, and customer satisfaction. Our team of certified professionals specializes in HVAC, plumbing, fire protection, and preventive maintenance, serving diverse industries including healthcare, industrial, commercial, and residential sectors. With decades of combined experience, we prioritize proactive solutions, utilizing state-of-the-art equipment and adhering to rigorous safety standards.Our core valuesdriven work ethic, continuous growth, accountability, and collaborationensure reliable, customized services that meet evolving client needs. Recognized for 24/7 emergency response and industry-leading certifications, we partner with clients to extend system lifespans, reduce operational costs, and deliver long-term value. From design-build projects to complex piping installations, our expertise in compliance, diagnostics, and maintenance solidifies our reputation as a trusted leader in mechanical services.
Services
HVAC Installation & Repair
Plumbing Services
Fire Protection Systems
Preventive Maintenance
Process Piping
Emergency Services
Design-Build Solutions
Camera Inspections
Fire Pump Alignment
Industrial Piping
Details
- Year established: 1972
Highlights and features
- We offer 24/7 emergency mechanical services for urgent needs.
- Our team holds certifications from Minneapolis, St. Paul, and Minnesota regulatory bodies.
- Proactive preventive maintenance extends system lifespan and reduces costs.
- Decades of experience in healthcare, industrial, and commercial sectors.
- Commitment to integrity, quality craftsmanship, and timely response.
Associations and certifications
- National Fire Protection Association (NFPA)
- State of Minnesota
- City of Minneapolis
- City of St. Paul
- Minnesota Fire Marshal
Services
HVAC Installation & Repair
Nasseff Mechanical Contractors delivers customized HVAC solutions, including system design, installation, and repair. Our certified technicians utilize advanced technology to ensure operational efficiency, specializing in heating systems, air conditioning, ventilation, and energy recovery. With a focus on minimizing downtime and maximizing comfort, we serve healthcare, industrial, and commercial clients, offering preventive maintenance to extend equipment lifespan and reduce costs.
Plumbing Services
Our plumbing experts provide installation, repair, and maintenance for residential and commercial systems. Certified in medical gas, RPZ licensing, and high-pressure water jets, we address slab leaks, sewer systems, and code compliance. Services include water heater replacement, backflow prevention, and camera inspections, ensuring safe, efficient plumbing solutions tailored to client needs across diverse industries.
Fire Protection Systems
Nasseff offers full-service fire protection, including system design, installation, and 24/7 emergency repairs. We adhere to NFPA codes and utilize advanced tools like VibrAlign and InspectPoint for fire pump alignment and electronic reporting. Specializing in wet/dry sprinklers, pre-action systems, and foam testing, we ensure compliance and safety for commercial and industrial facilities.
Preventive Maintenance
Our proactive maintenance programs diagnose potential issues before emergencies arise. Technicians inspect HVAC, plumbing, and fire systems, budgeting replacements and optimizing performance. With 24/7 accessibility and a focus on minimizing shutdowns, we help clients reduce costs, extend equipment life, and maintain operational efficiency across healthcare, industrial, and commercial properties.
Process Piping
We design and install complex piping systems for food processing, pharmaceuticals, and manufacturing. Services include threaded, soldered, and welded installations for steam, water, and specialty gases. Our certified welders and fitters ensure compliance with industry standards, minimizing plant downtime and optimizing distribution efficiency for clients in diverse sectors requiring high-precision piping solutions.
People
Mickey Nasseff
Founder
Mickey Nasseff founded Nasseff Mechanical Contractors in 1972, establishing a legacy of integrity and excellence in mechanical services. His commitment to quality and customer satisfaction shaped the company's core values, which continue to guide its growth and reputation.
Jeff Ulrich
President
Jeff Ulrich became president after Mickey Nasseff's passing, continuing the company's dedication to mechanical service excellence. With decades of experience, he leads Nasseff's team in delivering innovative solutions, maintaining the founder's vision of reliability and customer-centric service.
Questions
What services does Nasseff Mechanical Contractors offer?
We specialize in HVAC, plumbing, fire protection, preventive maintenance, and process piping for commercial, industrial, and residential clients.
Do you provide emergency services?
Yes, we offer 24/7 emergency response for urgent mechanical needs with live operator support and rapid callbacks.
What industries do you serve?
We serve healthcare, industrial manufacturing, commercial facilities, residential estates, and educational institutions across the Twin Cities.
Are your technicians certified?
Our team holds certifications from Minneapolis, St. Paul, Minnesota regulatory bodies, and equipment manufacturers for HVAC, plumbing, and fire protection.
How do you ensure system longevity?
We conduct preventive maintenance inspections to diagnose issues early, budget replacements, and optimize system efficiency, reducing long-term costs.
Can you handle large-scale projects?
Yes, from the Pillsbury A-Mill to hospital systems, we manage complex installations, retrofits, and design-build projects with precision.