Experienced HVAC Repair in Baltimore, MD 21212 - A J Michaels
4512 York Rd, Baltimore, MD 21212
Company Background
Founded in 1978 by Michael Giangrandi, A J Michaels is a locally owned and operated Baltimore company built on expertise and straightforward service. Michael, who holds a Master's HVAC license and a Maryland Home Improvement license, leads a team of highly trained, direct employees—never subcontractors—to ensure every job is done right. With deep roots in the community, he actively promotes energy efficiency as Chairman of the Maryland Alliance of Energy Contractors, working with local utilities on programs like EmPOWER Maryland. For over four decades, Baltimore homeowners and businesses have trusted A J Michaels to solve serious problems, from no heat on a cold day to complex plumbing emergencies, providing reliable solutions at a fair price.
Question Answers
My Baltimore home has an older HVAC system and I'm worried about efficiency. Can A J Michaels help?
Yes, absolutely. We specialize in evaluating and updating aging systems common in Baltimore-area homes. Our process starts with a comprehensive home performance evaluation, which includes checking for air duct leaks that waste energy. As a Building Performance Institute-certified company participating in EmPOWER Maryland, we can recommend and install energy-efficient HVAC solutions that may qualify for local utility rebates, helping you save on bills and improve comfort.
Do you handle both plumbing and HVAC emergencies, and what's your response time in Baltimore?
We provide full-service emergency response for heating, cooling, and plumbing issues across Baltimore. Whether it's a broken water pipe, a clogged sewer line, or a furnace failure on a cold night, our locally based team is equipped to diagnose and repair the problem. As a company that's been here since 1978, we understand the urgency and work to provide prompt, reliable service to get your home or business back to normal.
I need a new water heater installed. Does your team handle the full installation?
Yes. When you choose A J Michaels, you get our own highly trained, licensed technicians for the entire job—we do not use subcontractors. From the initial assessment of your home's plumbing to the final installation and inspection by our degreed engineer, we manage the complete process. This ensures your new water heater is installed correctly for safety, efficiency, and long-term reliability.
Business Offerings
- Drain installation
- Water pipe repair
- Shower repair
- Insulation installation
- Plumbing inspection
- HVAC system repair
- Plumbing installation or replacement
- Shower installation
Business Location & Hours
| Mon: | 7:00 AM - 5:00 PM |
| Tue: | 7:00 AM - 5:00 PM |
| Wed: | 7:00 AM - 5:00 PM |
| Thu: | 7:00 AM - 5:00 PM |
| Fri: | 7:00 AM - 5:00 PM |
| Sat: | Closed |
| Sun: | Closed |




