A.J. Michaels

A.J. Michaels A.J. Michaels is a local, family-owned business serving Baltimore and Annapolis since 1978. We're proud to call Baltimore home. We believe in doing it right.

Whether you are looking for plumbing, heating, or air conditioning installations or service, we are your dependable source with the best hands in the business! Michaels Company, Baltimore's Leading Heating, Cooling And Plumbing Services Company Since 1978. Locally owned and operated since 1978, A.J. Michaels' long-standing reputation of providing honest and accurate solutions installed with the hi

ghest level of expertise and latest technology available is second to none. Whether you're replacing a heat pump, furnace or boiler, looking for a new high efficiency air conditioning system, or need a plumbing emergency fixed quick, A.J. Michaels removes the doubt surrounding these important decisions. We've earned a reputation for successfully tackling the toughest challenges, again and again. Because of our expertise, we've been called in on some of the most difficult heating, cooling and plumbing projects: from churches to cruise ships; from factories and offices to homes that supposedly can't support central air conditioning. We don't use subcontractors. When you choose A.J. Michaels, you get highly trained experts from A.J. Michaels — and nothing less. We don't consider a job finished until our degreed engineer has inspected it. And we won't recommend any kind of solution until we've carefully looked at your home or business and listened to your needs.

"I had a very positive experience with A.J. Michaels from estimate through installation. My old furnace in my rowhome wa...
03/17/2025

"I had a very positive experience with A.J. Michaels from estimate through installation. My old furnace in my rowhome was no longer up to code, and it was a big job to install a new high energy furnace and update all the piping and PVC exhaust. They also had to deal with my 130-pound dog. They were professional and respectful. I highly recommend." says Jenny on Google

★★★★★ I had a very positive experience with A.J. Michaels from estimate through installation. My old furnace in my rowhome was no longer up to code, and it was a big job to install a new high energy furnace and update all the piping and PVC exhaust. They also had to deal with my 130-pound ...

"We have used A J Michael’s for many years both for heating and cooling, and recently had extensive plumbing issues that...
03/16/2025

"We have used A J Michael’s for many years both for heating and cooling, and recently had extensive plumbing issues that their crews handled admirably. Immediately reachable with prompt follow up with professional and personable crews that were on time and thorough. We would never use anyone else" says IREDELL on Google

★★★★★ We have used A J Michael’s for many years both for heating and cooling, and recently had extensive plumbing issues that their crews handled admirably. Immediately reachable with prompt follow up with professional and personable crews that were on time and thorough. We would never u...

"Chris came to our home to check on a leaking valve. He not only worked on the valve but checked on the leak I found com...
02/24/2025

"Chris came to our home to check on a leaking valve. He not only worked on the valve but checked on the leak I found coming from my water heater. Then I asked him questions about possible other leaks from pipes in my ceiling. He was patient, helpful, knowledgeable, professional and so very nice. I would highly recommend A.J. Michaels for any kind of plumbing, heat or air conditioning issues. You won't find another company.." says Jane on Google

★★★★★ Chris came to our home to check on a leaking valve. He not only worked on the valve but checked on the leak I found coming from my water heater. Then I asked him questions about possible other leaks from pipes in my ceiling. He was patient, helpful, knowledgeable, professional and so...

"AJ Michaels recently installed a new boiler for us. We heard good reviews from neighbors and we really appreciated how ...
02/11/2025

"AJ Michaels recently installed a new boiler for us. We heard good reviews from neighbors and we really appreciated how thorough and transparent Paul was with his estimates. Misty was great at coordinating scheduling and able to get us booked during a busy time of the season. The technicians were steadfast were their installation. Thank you for providing this service for us!" says Marian on Google

★★★★★ AJ Michaels recently installed a new boiler for us. We heard good reviews from neighbors and we really appreciated how thorough and transparent Paul was with his estimates. Misty was great at coordinating scheduling and able to get us booked during a busy time of the season. The tech...

"Very capable, efficient, polite, and considerate of my home during the installation of my new heat pump. I highly recom...
02/08/2025

"Very capable, efficient, polite, and considerate of my home during the installation of my new heat pump. I highly recommend them." says John on Google

★★★★★ Very capable, efficient, polite, and considerate of my home during the installation of my new heat pump. I highly recommend them.

"Great communication, work was high quality and completed in a timely manor, price was given upfront with no surprises a...
02/01/2025

"Great communication, work was high quality and completed in a timely manor, price was given upfront with no surprises and very fair for the quality of work and the unit. I would definitely recommend." says Jessica on Google

★★★★★ Great communication, work was high quality and completed in a timely manor, price was given upfront with no surprises and very fair for the quality of work and the unit. I would definitely recommend.

"I've had A.J. Michaels out to my home twice, once for HVAC service, once for a water heater job, and I was pleased both...
01/27/2025

"I've had A.J. Michaels out to my home twice, once for HVAC service, once for a water heater job, and I was pleased both times. They are honest about the condition of your systems and do not try to convince you to replace aging systems when not needed. I very much appreciate this given I've experienced two other vendors who try to use scare tactics and high pressure sales to get you to replace rather than repair. A.J..." says Jennifer on Google

★★★★★ I've had A.J. Michaels out to my home twice, once for HVAC service, once for a water heater job, and I was pleased both times. They are honest about the condition of your systems and do not try to convince you to replace aging systems when not needed. I very much appreciate this give...

"18 yo furnace and AC crapped out in the middle of the cold snap of January 2025. Last year I was thinking about replaci...
01/24/2025

"18 yo furnace and AC crapped out in the middle of the cold snap of January 2025. Last year I was thinking about replacing, but waited another season. It's not an inexpensive project. Got two quotes then: one from AJ Michaels and the other from a major competitor that advertises a lot in the Baltimore/Washington/Annapolis corridor. Michaels' quote was just over half what the other one was. When it failed this month, I.." says Erewhon on Google

★★★★★ 18 yo furnace and AC crapped out in the middle of the cold snap of January 2025. Last year I was thinking about replacing, but waited another season. It's not an inexpensive project. Got two quotes then: one from AJ Michaels and the other from a major competitor that advertises a lot...

"AJ Michaels has performed 2 major jobs for us in the last year (boiler replacement and pipe replacement). My wife and I...
01/14/2025

"AJ Michaels has performed 2 major jobs for us in the last year (boiler replacement and pipe replacement). My wife and I are very satisfied with ALL aspects of our experience with AJ Michaels. I will use AJ Michaels again if the need arises, and highly recommend! They have a good team, and have treated us the way one would want to be treated at each step of the way." says Geoff on Google

★★★★★ AJ Michaels has performed 2 major jobs for us in the last year (boiler replacement and pipe replacement). My wife and I are very satisfied with ALL aspects of our experience with AJ Michaels. I will use AJ Michaels again if the need arises, and highly recommend! They have a good team...

"They recently installed a new furnace and AC unit for me. Everyone involved with the process was great, from the quote,...
12/08/2024

"They recently installed a new furnace and AC unit for me. Everyone involved with the process was great, from the quote, to scheduling, to the installation." says Rob on Google

★★★★★ They recently installed a new furnace and AC unit for me. Everyone involved with the process was great, from the quote, to scheduling, to the installation.

"Sales actually knew what they were talking about and worked with us to find the best solution. The installers arrived o...
11/20/2024

"Sales actually knew what they were talking about and worked with us to find the best solution. The installers arrived on time, walked through what they were going to do, and got the job done properly. Pretty much all we could ask for." says David on Google

★★★★★ Sales actually knew what they were talking about and worked with us to find the best solution. The installers arrived on time, walked through what they were going to do, and got the job done properly. Pretty much all we could ask for.

"All around positive experience. Prompt appointment with the very qualified and experienced estimator, Paul, who kept ta...
11/04/2024

"All around positive experience. Prompt appointment with the very qualified and experienced estimator, Paul, who kept tabs on the boiler replacement job right to the end and afterwards. Cory did a meticulous job of installation, one I’d be proud to have done if I could have. The associated chimney flue placement was timed for the same time making the process quicker and less disruptive. Their choice of boiler brand was.." says George on Google

★★★★★ All around positive experience. Prompt appointment with the very qualified and experienced estimator, Paul, who kept tabs on the boiler replacement job right to the end and afterwards. Cory did a meticulous job of installation, one I’d be proud to have done if I could have. The ass...

Address

4512 York Road
Baltimore, MD
21212

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

Telephone

+14104355400

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