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Free Estimate
New HVAC Systems
Whether you need an old system replaced or converted or are looking to install a brand new HVAC system in your home, A.J. Michaels can help.
We aren’t locked into a certain brand, unit or fuel type, so our recommendations and estimates are customized to you and your home’s needs.
GET YOUR FREE ESTIMATE
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Nosotros no hablamos españolTHE AVERAGE HVAC SYSTEM LIFESPAN
FACTORS THAT REDUCE FURNACE LIFE EXPECTANCY
As we’ve discussed, furnace life expectancy can vary quite a bit. Some of the factors that affect your furnace’s life are out of your control, such as sizing and installation of your furnace which are typically determined by your HVAC contractor. Other factors, such as maintenance and thermostat settings are in your hands. Let’s take a closer look:
FURNACE SIZE
It’s important to have an appropriately sized system for your home.
Shorter cycles create more wear and tear on the parts of a furnace, so if the system is larger than necessary, it will turn on and off too quickly.
Furnaces that are too small for the space may stay on too long and struggle to heat your home, which can also add wear and tear on parts.
POOR FURNACE INSTALLATION
Poor installation can affect the lifespan of your furnace for a number of reasons. This is why it’s so important to select a qualified HVAC professional, like your local Carrier expert, to install your system.
Poorly designed, sized, or sealed ductwork impacting airflow can affect your comfort and system efficiency
Poor drainage system for high efficiency furnaces
Incorrectly installed fuel lines
LACK OF ROUTINE MAINTENANCE
When you ignore recommended maintenance, dirty buildup on heat exchangers, burners, fan blades can reduce you’re the life of your furnace in a number of ways:
Restricted airflow from dirty filters can make the system work harder
Imbalanced fans can affect the life of motors
Less efficient heat transfer from heat exchangers can make the system work harder
THERMOSTAT SETTINGS
Your personal comfort preferences can affect the life expectancy of your gas furnace. The U.S. Department of energy recommends setting your heating system thermostat at 68° Fahrenheit during the winter for both energy efficiency and adequate comfort.1 Keep in mind that a thermostat set too high or too low can make the system run more frequently, which can reduce its lifespan.
HOW WILL I KNOW IF IT’S TIME TO REPLACE MY HVAC SYSTEM ?
Regardless of how well the HVAC system is made and how well you maintain it, the day will come when it has reached the end of its usefulness. Here are some warning signs that your HVAC system may need to be replaced:
Frequent service calls
Expensive repair bills
Uneven temperatures
Inability to stay at the thermostat’s temperature setting
Heating unit blowing cold air
New or increased noises
Increase in energy bills, especially for highly efficient heating units
COMPETITOR COMPARISON CHART
| Small Guys | A.J. Michaels | Big Guys | |
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| Family Owned |  |
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| Locally Owned | |
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| Keeps Revenue in Maryland and Invests in its Employees and Community | |
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| Certified Technicians with Average of 15 Years Experience | |
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| Holds Masters Licenses in Plumbing, Heating, Air Conditioning and Electric | |
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| Has Longevity…Been in Business Since 1978 | |
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| Does not Sub Out Work | |
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| Offers Real, not Fake, Manufacturer and Company Rebates | |
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| Provides Customized, not Pre-packaged, Solutions | |
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| Utilizes the "House as a System" Approach for Diagnosis and Solutions | |
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| Offers Financing Options | |
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| Offers Fully Warrantied Work | |
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| Offers 100% Satisfaction Guarantee of Work | |
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| Is a Building Professionals Institute (BPI) Certified Home Performance Contractor | |
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| Secures and Handles the Entire Rebate Process for Customers | |
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| Recognized 8 Straight Years by BG&E for Outstanding Achievement in the Installation of A/C Systems, Furnaces, Hot Water Boilers, Steam Boilers and Heat Pumps | |
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| Honored by Department of Housing and Community Development for our Dedication to Expanding Energy Efficiency in Maryland | |
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| Recognized by the U.S. Department of Energy and the U.S. Environmental Protection Agency as a Home Performance with Energy Star Century Club Award winner | |
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| Participating Contractor with the BGE and Delmarva Power SmartEnergy Savers Programs | |
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| Offers Residential and Commercial HVAC, A/C, Heating and Plumbing Services | |
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| Owner/CEO is also the Chair of the Maryland Alliance of Energy Contractors | |
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| Has an A+ Rating with the Better Business Bureau | |
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WHAT OUR CLIENTS SAY...
Jim Blake of AJ Michaels has been a pleasure to work with and appreciate his professionalism and competence in both repairing a heating issue as well as an AC issue. I have engaged many HVAC companies and techs over the years but have finally found someone that can get the job done and stands by his work. Thanks!
Yaakov Feinstein
Awesome install of multiple mini-splits! My house has some pretty high walls, and they tackled the job perfectly. Very happy customer here.
Jack Rodriguez
We used AJ Michaels maybe 9 years ago to replace out AC/Heating Unit. They id a great job. This year, we used them to install a Mitsubishi split in our Master Bedroom. They were professional, affordable, polite, timely, pretty much everything you could ask for. We'll use them again if a project comes up.
Laure Ruth
The new heat pumps work well, installation looks great. Workers were prompt and efficient. I will certainly use this firm in the future.
John Igoe
WE DON'T
Walk in with pre-packaged solutions or an agenda to sell you a particular product
Inflate our price to give you discounts or made-up rebates
Use lesser quality equipment that saves a few dollars now but will cost you more in the long run
Cut corners in installation
Use lesser quality equipment that saves a few dollars now but will cost you more in the long run
Employ salespeople working 100% on commission who'll sell you anything
Sub-out residential services
Function as a franchise with inconsistent quality of service
Send revenue out-of-state. We're locally owned and support our local economy.
© A.J. Michaels. All rights reserved.
Our concerns about the Coronavirus are no different than yours and we are very aware of our responsibilities and the measures we need to take to protect you, your families, and our employees.
We are following the recommended Center for Disease Control guidelines. Our staff is screened each day for Coronovirus symptoms including taking technicians' temperatures. We follow social distancing and recommended protocols including face masks and gloves, and washing hands and cleaning equipment before and after entering a home. There is no need for anyone to be near us when we repair or replace your HVAC system or plumbing. We're happy to enter through a backdoor or basement to avoid contact.
This is going to be a very difficult time for all of us, but when you need us, we will be there to serve your needs -- safely.
Our concerns about the Coronavirus are no different than yours and we are very aware of our responsibilities and the measures we need to take to protect you, your families, and our employees.
We are following the recommended Center for Disease Control guidelines. Our staff is screened each day for Coronovirus symptoms including taking technicians' temperatures. We follow social distancing and recommended protocols including face masks and gloves, and washing hands and cleaning equipment before and after entering a home. There is no need for anyone to be near us when we repair or replace your HVAC system or plumbing. We're happy to enter through a backdoor or basement to avoid contact.
This is going to be a very difficult time for all of us, but when you need us, we will be there to serve your needs -- safely.
A.J. Michaels is a Carrier Authorized dealer
A well-maintained HVAC system can last at least 15 to 20 years, but completing annual maintenance and being diligent with repairs can extend its life even longer.
When your unit is about 15 years old, it’s a good idea to start looking at new equipment to be prepared when it comes time to replace it.
Locally owned and operated since 1978
Financing & Rebates Available
All Our Work is Guaranteed
Baltimore & Annapolis
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Service AreaServing these counties: Anne Arundel, Baltimore, Carroll, Harford, Howard, Queen Anne's Serving these cities: Annapolis, Arnold, Brooklyn Park, Crofton, Crownsville, Deale, Edgewater, Ferndale, Fort Meade, Glen Burnie, Hanover, Jessup, Linthicum, Mayo, Odenton, Pasadena, Severn, Severna Park, Shady Side, Annapolis Junction, Arbutus, Baltimore, Catonsville, Cockeysville, Dundalk, Edgemere, Essex, Garrison, Gwynn Oak, Halethorpe, Lansdowne, Lochearn, Lutherville, Middle River, Milford Mill, Overlea, Owings Mills, Parkville, Perry Hall, Pikesville, Randallstown, Reisterstown, Rosedale, Sparrows Point, Towson, White Marsh, Woodlawn, Eldersburg, Finksburg, Hampstead, Manchester, Mount Airy, New Windsor, Sykesville, Taneytown, Union Bridge, Westminster, Aberdeen, Bel Air, Darlington, Edgewood, Fallston, Forest Hill, Havre de Grace, Jarrettsville, Joppa, Perryman, Pylesville, Street, Clarksville, Columbia, Dayton, Elkridge, Ellicott City, Fulton, Glenelg, Glenwood, Highland, Jessup, Laurel, Lisbon, Marriottsville, Savage, West Friendship, Woodbine, Centreville, Chester, Church Hill, Grasonville, Kent Island, Queenstown, Stevensville
Baltimore & Annapolis
Service AreaServing these counties: Anne Arundel, Baltimore, Carroll, Harford, Howard, Queen Anne's Serving these cities: Annapolis, Arnold, Brooklyn Park, Crofton, Crownsville, Deale, Edgewater, Ferndale, Fort Meade, Glen Burnie, Hanover, Jessup, Linthicum, Mayo, Odenton, Pasadena, Severn, Severna Park, Shady Side, Annapolis Junction, Arbutus, Baltimore, Catonsville, Cockeysville, Dundalk, Edgemere, Essex, Garrison, Gwynn Oak, Halethorpe, Lansdowne, Lochearn, Lutherville, Middle River, Milford Mill, Overlea, Owings Mills, Parkville, Perry Hall, Pikesville, Randallstown, Reisterstown, Rosedale, Sparrows Point, Towson, White Marsh, Woodlawn, Eldersburg, Finksburg, Hampstead, Manchester, Mount Airy, New Windsor, Sykesville, Taneytown, Union Bridge, Westminster, Aberdeen, Bel Air, Darlington, Edgewood, Fallston, Forest Hill, Havre de Grace, Jarrettsville, Joppa, Perryman, Pylesville, Street, Clarksville, Columbia, Dayton, Elkridge, Ellicott City, Fulton, Glenelg, Glenwood, Highland, Jessup, Laurel, Lisbon, Marriottsville, Savage, West Friendship, Woodbine, Centreville, Chester, Church Hill, Grasonville, Kent Island, Queenstown, Stevensville
Serving these counties: Anne Arundel, Baltimore, Carroll, Harford, Howard, Queen Anne's Serving these cities: Annapolis, Arnold, Brooklyn Park, Crofton, Crownsville, Deale, Edgewater, Ferndale, Fort Meade, Glen Burnie, Hanover, Jessup, Linthicum, Mayo, Odenton, Pasadena, Severn, Severna Park, Shady Side, Annapolis Junction, Arbutus, Baltimore, Catonsville, Cockeysville, Dundalk, Edgemere, Essex, Garrison, Gwynn Oak, Halethorpe, Lansdowne, Lochearn, Lutherville, Middle River, Milford Mill, Overlea, Owings Mills, Parkville, Perry Hall, Pikesville, Randallstown, Reisterstown, Rosedale, Sparrows Point, Towson, White Marsh, Woodlawn, Eldersburg, Finksburg, Hampstead, Manchester, Mount Airy, New Windsor, Sykesville, Taneytown, Union Bridge, Westminster, Aberdeen, Bel Air, Darlington, Edgewood, Fallston, Forest Hill, Havre de Grace, Jarrettsville, Joppa, Perryman, Pylesville, Street, Clarksville, Columbia, Dayton, Elkridge, Ellicott City, Fulton, Glenelg, Glenwood, Highland, Jessup, Laurel, Lisbon, Marriottsville, Savage, West Friendship, Woodbine, Centreville, Chester, Church Hill, Grasonville, Kent Island, Queenstown, Stevensville