Business Details
50+ Years
experience
Emergency
services
Trusted Plumbing & Heating Services in Livonia, MI
Guardian Plumbing & Heating, established in 1968, has built a reputation as a trusted full-service plumbing contractor serving healthcare, commercial, and institutional clients across southeastern Michigan. With over 40 years of experience, our second-generation family-owned business combines skilled craftsmanship with a commitment to quality service. Our licensed professionals specialize in installing and maintaining complex plumbing systems for healthcare facilities, high-rise buildings, schools, and industrial plants, while also handling residential repairs. Founded by Andy D'Ascenzo with a focus on fair pricing and reliability, we've grown to serve major institutions like Henry Ford Health Systems and General Motors. Under Tony D'Ascenzo's leadership since 1984, we expanded into construction services, working on every major hospital system in the region.Our team of master plumbers, including Larry D'Ascenzo who joined in 1990, continues to deliver cost-effective solutions tailored to both large corporations and small property owners. We maintain industry certifications through affiliations with organizations like the American Society of Plumbing Engineers and Mechanical Contractors Association. Our 24/7 emergency service ensures continuous support for critical systems, particularly in medical facilities where uninterrupted gas delivery is essential. With decades of experience serving institutions like Beaumont Hospital and the University of Michigan, we remain dedicated to technical excellence and customer satisfaction.
Services
Plumbing Systems
Heating Services
Emergency Repairs
Pump Maintenance
Medical Gas Piping
Details
- Year established: 1968
Highlights and features
- 40+ years serving healthcare and commercial plumbing needs
- 24/7 emergency service with rapid response capability
- Certified pipe welding and backflow prevention specialists
- Family-owned business with three generations of plumbers
- Proven track record with major hospital systems
Associations and certifications
- National Certified Pipe Welding Bureau
- American Society of Plumbing Engineers
- Mechanical Contractors Association, Detroit
Services
Plumbing Systems
We design, install, and maintain complex plumbing systems for healthcare facilities, high-rise buildings, and industrial plants. Our licensed plumbers handle everything from routine maintenance to complete system overhauls. With decades of experience serving southeastern Michigan, we ensure reliable operation of critical water and drainage systems.
Medical Gas Piping
Our certified technicians install and maintain medical gas piping systems that meet strict healthcare regulations. We ensure uninterrupted delivery of oxygen, nitrogen, and other medical gases through precision installation and regular system testing for hospitals and clinics.
Emergency Repairs
We provide immediate response for critical plumbing emergencies with trained technicians available around the clock. Our rapid response team handles urgent repairs for commercial and healthcare facilities to minimize operational disruption and ensure safety.
Pump Maintenance
Our specialists ensure optimal pump performance through regular maintenance and precision alignment. We service industrial pumps, sewage systems, and water transfer equipment to prevent breakdowns and extend equipment lifespan for commercial clients.
Backflow Prevention
We conduct facility surveys, install backflow preventers, and perform testing to protect water systems from contamination. Our certified technicians ensure compliance with cross-connection control regulations for commercial and institutional properties.
People
Andy D'Ascenzo
Founder
Founded Guardian Plumbing in 1968 with a commitment to quality service. Established long-term relationships with healthcare clients that continue today.
Tony D'Ascenzo
President
Led company expansion since 1984, developing the construction division that serves all major southeast Michigan hospital systems.
Larry D'Ascenzo
Marketing Manager
Joined in 1990 to expand service division outreach, building client relationships with both corporate and individual property owners.
Questions
What types of plumbing services do you specialize in?
We specialize in healthcare facility plumbing, medical gas systems, commercial building maintenance, pump services, and backflow prevention for institutional clients.
Do you offer emergency plumbing services?
Yes, we provide 24/7 emergency service with trained technicians available for immediate response to critical plumbing issues.
What makes your company qualified for medical facility work?
Our certified pipe welders and specialized experience with hospitals ensure compliance with strict medical gas delivery standards and regulations.
How long have you served the Detroit area?
We've provided plumbing solutions to southeast Michigan businesses since 1968, building long-term relationships with major institutions.
Are your technicians licensed and trained?
All our plumbers are licensed professionals with ongoing training in the latest techniques for commercial and healthcare facility systems.
Can you handle both installation and maintenance?
Yes, we offer complete lifecycle services including system installation, preventive maintenance, and emergency repairs for all commercial plumbing needs.
