Business Details
50+ Years
experience
Emergency
services
Your Trusted Partner for Plumbing & Heating Solutions
Guardian Plumbing & Heating has served as a trusted full-service plumbing contractor in southeastern Michigan since 1968. Founded by Andy D'Ascenzo with a commitment to quality and fair pricing, we specialize in healthcare, commercial, and institutional plumbing systems. Our team of licensed professionals brings over 40 years of combined experience to every project, from high-rise buildings to industrial plants. As a second-generation family-owned business, we expanded into construction services in 1984 under Tony D'Ascenzo's leadership. Our client roster includes major institutions like Henry Ford Health Systems and Beaumont Hospitals, reflecting our reputation for reliability.We maintain rigorous safety standards exceeding OSHA and MIOSHA requirements, including specialized training programs for confined spaces and bloodborne pathogens. Our 24/7 emergency service ensures continuous support for critical infrastructure needs. Affiliated with industry organizations like the Mechanical Contractors Association of America, we combine technical expertise with union collaboration. With a focus on medical gas piping, backflow prevention, and pump alignment, we deliver precision-engineered solutions. Our legacy of serving the same Metropolitan Hospitals client since 1968 demonstrates our enduring commitment to excellence.
Services
Emergency Plumbing Service
Medical Gas Systems
Backflow Prevention
Commercial Plumbing
Heating Systems
Pump Services
Institutional Plumbing
Plumbing Maintenance
High-Rise Plumbing
Industrial Plumbing
Details
- Year established: 1968
Highlights and features
- 40+ years serving Michigan healthcare and commercial clients
- 24/7 emergency service with rapid response capability
- Specialized medical gas piping system expertise
- OSHA-compliant safety program with incentive structure
- Certified welders meeting national standards
Associations and certifications
- OSHA 10-hour Certification
- OSHA 30-hour Certification
- MIOSHA Standards
- American Society of Plumbing Engineers
- Plumbing Contractors of America
- Mechanical Contractors Association of America
- National Certified Pipe Welding Bureau
Services
Emergency Plumbing
Our round-the-clock emergency service addresses critical plumbing failures in healthcare and commercial facilities. Certified technicians respond promptly to leaks, pipe bursts, and system malfunctions. We maintain specialized equipment for rapid diagnosis and repair of complex systems.
Medical Gas Systems
We design, install, and maintain medical gas delivery systems for hospitals and clinics. Our work meets strict NFPA 99 standards for oxygen, nitrogen, and vacuum systems. Regular maintenance ensures uninterrupted supply for critical care applications.
Backflow Prevention
We provide comprehensive backflow prevention services including testing, repair, and certification. Our team conducts facility cross-connection surveys to identify contamination risks. Annual testing maintains compliance with local water authority requirements.
Commercial Plumbing
We handle complete plumbing solutions for office buildings, schools, and industrial facilities. Services include system design, installation, and preventive maintenance. Our expertise covers complex piping networks in high-rise structures.
Pump Services
Our technicians specialize in pump alignment, maintenance, and performance optimization. We service centrifugal, submersible, and specialty pumps in commercial and industrial settings. Precision alignment ensures maximum efficiency and extended equipment life.
Questions
What types of plumbing systems do you specialize in?
We specialize in healthcare plumbing systems, high-rise buildings, and industrial facilities. Our expertise includes medical gas piping, backflow prevention, and emergency repair services.
Do you offer 24/7 emergency service?
Yes, we provide true 24/7 emergency service with certified technicians available for immediate response to critical plumbing failures.
Are your technicians certified?
All our plumbers hold master licenses and specialized certifications including OSHA 30-hour training and medical gas piping qualifications.
What safety programs do you maintain?
Our safety program exceeds OSHA standards with regular training in confined spaces, bloodborne pathogens, and emergency response protocols.
Which areas do you serve?
We serve Detroit, Livonia, Ann Arbor, and all of southeastern Michigan with commercial and healthcare plumbing solutions.
How do you handle preventive maintenance?
We offer scheduled maintenance programs for backflow preventers, medical gas systems, and pump equipment to ensure continuous operation and code compliance.
