Business Details
48 Years
experience
Emergency
services
Trusted HVAC Solutions in Baltimore & Annapolis
A.J. Michaels is a family-owned and operated HVAC contracting company serving central Maryland since 1978. Our expertise spans heating, cooling, plumbing, and home performance solutions, delivered by a team of highly trained professionals who prioritize quality, transparency, and customer satisfaction. We hold Master licenses in plumbing, heating, air conditioning, and electric, and are certified by the Building Performance Institute for whole-home energy evaluations. Recognized by the Department of Energy and Carrier Corporation, we specialize in energy-efficient systems like SpacePak ductless technology and Aeroseal duct sealing.Our commitment to local communities includes 24/7 emergency service, no extra charges for after-hours work, and financing options to ensure affordability. With over 35,000 systems installed and an A+ BBB rating, we combine decades of experience with cutting-edge solutions to deliver reliable, cost-effective services tailored to each client's unique needs.
Services
HVAC Installation
Ductless Systems
Plumbing Repairs
Energy Audits
Emergency Service
Duct Sealing
Home Performance
Commercial HVAC
Water Heater Installation
Planned Maintenance
Details
- Year established: 1978
Highlights and features
- 45+ years of local expertise in HVAC and plumbing services.
- In-house certified technicians with ongoing training and education.
- Energy-saving solutions developed through state and federal partnerships.
- 24/7 emergency service with no extra charges for nights or weekends.
- Financing options and assistance with rebates and tax credits.
Associations and certifications
- Building Performance Institute
- Department of Energy
- BBB
- Carrier Corporation
What people say
Exceeded expectations
Professional and courteous
Unbelievable price
Stand behind their work
Prompt and efficient
Services
HVAC Installation
A.J. Michaels specializes in installing energy-efficient HVAC systems for residential and commercial properties. Our services include heat pumps, furnaces, boilers, and air conditioning units tailored to your building's needs. We prioritize systems that reduce energy costs while ensuring optimal comfort, with expert guidance on rebates and financing options to make upgrades affordable.
Ductless Systems
We install SpacePak and other ductless HVAC systems ideal for older homes, historic buildings, or spaces without traditional ductwork. These systems provide zoned temperature control and improved energy efficiency. Our technicians ensure seamless integration with minimal disruption to your property's structure or aesthetics.
Plumbing Repairs
Our licensed plumbers handle repairs, installations, and maintenance for residential and commercial plumbing systems. Services include water heaters, sump pumps, drain cleaning, and leak detection. We offer 24/7 emergency service and honor warranties to ensure long-term reliability and customer satisfaction.
Energy Audits
We conduct comprehensive home energy audits to identify inefficiencies and recommend cost-saving improvements. Using advanced diagnostics, we assess insulation, ductwork, and HVAC performance to create customized plans that enhance comfort and reduce utility bills through rebates and incentives.
Planned Maintenance
Our planned service agreements ensure year-round HVAC reliability with regular maintenance visits. These agreements include priority scheduling, discounted repairs, and extended equipment lifespan. We service all major brands and provide detailed reports to keep you informed about your system's condition.
People
Michael Giangrandi
Founder & President
Michael Giangrandi founded A.J. Michaels in 1978 and has led the company's growth into a trusted local HVAC authority. With decades of industry experience, he emphasizes innovation, customer-centric service, and community impact through energy efficiency initiatives.
Jim Blake
Senior Technician
Jim Blake brings extensive expertise in HVAC repair and installation, specializing in complex residential and commercial systems. His commitment to quality and customer satisfaction has made him a key figure in resolving challenging heating and cooling issues.
Ryan Small
Team Lead
Ryan Small oversees field operations, ensuring all projects meet A.J. Michaels' high standards. With a focus on technical excellence and client communication, he plays a vital role in delivering efficient, reliable solutions for both new installations and emergency repairs.
Questions
What HVAC services does A.J. Michaels offer?
We provide installation, repair, and maintenance for heating, cooling, ductless systems, and plumbing. Our expertise includes energy audits, duct sealing, and commercial HVAC solutions.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency service with no extra charges for nights, weekends, or holidays.
Are financing options available?
Yes, we offer financing plans and assistance with rebates, tax credits, and utility incentives to make upgrades affordable.
Can you service older HVAC systems?
Yes, we specialize in repairing and upgrading older systems, including SpacePak and high-velocity air conditioning units.
What areas do you serve?
We serve central Maryland, including Baltimore, Annapolis, and surrounding communities.
How do you ensure energy efficiency?
We use Aeroseal duct sealing, programmable thermostats, and BPI-certified evaluations to optimize system performance and reduce energy waste.
