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If you're looking for reliable furnace repair services, contact SuperTech HVAC today. We provide top-rated furnace repairs in Baltimore MD and the surrounding area.

SuperTech HVAC is the Top-Rated Heating and Cooling Contractor in Baltimore Metro Area

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$99.00


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$19.97

/per month

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Regular - 89$

Club Member - 19$/m

Certified & Factory Trained Technician

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Honest Advice

Upfront Flat Rate Pricing

100% Guarantee & Warranties 

24/7 Live Answer

Free Diagnosis ($99 value)

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Free Maintenance Twice a year 

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20% off Repairs

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10% off New System*

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Priority Schedule and Service 

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Automatic Maintenance Reminder 

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Delve Into What a Furnace Is And How It Works:

Simply put, furnaces are central air systems typically powered by gas that will heat the air in one area of your house and then redirect it in every other room through vents and the ductwork.


A furnace is primarily made up of the following components:

  • The control system, which means electrical controls and a thermostat
  • Burners
  • A gas valve
  • Blower
  • A heat exchanger
  • The ventilation system
  • Duct

When you turn on your thermostat, you essentially send a signal to the gas valve to open and release gas into the burner component. Its flames will then heat up a metal heat exchanger sending the heat all throughout the coiled tubes in the heat exchanger and then into the air.

While the heat moves within the heat exchanger, the fan and the blower motor will move through the ductwork through all the rooms of your house. But all of these steps will happen only if the furnace is in perfect condition. 

So, what might cause it to break down and make you call for furnace repair in Baltimore, MD?

People love SuperTech HVAC

Slide 1

We have always been very satisfied with Supertech hvac, thanks to Kenny's thorough diagnostics. Recently he fixed our hvac when no one else could... He listens to our concerns and always goes the extra mile to make sure we are aware of the situation and happy with the solution. Couldn’t be happier with his work!

---K. Marie (Google Review)
Slide 1

SuperTech was absolutely the best company I have ever used from scheduling a same day appointment to having a wonderful friendly helpful technician fix the problem with our air conditioning system. I would recommend this company for everyone. Outstanding customer service and very reasonable prices for a great wonderful company.

-- Thomas F. (Google Review)
Slide 1

Their professionalism and responsiveness are experienced across the company, from the receptionist to the technician who goes to the home to problem solve the challenge. It is a pleasure to encounter such impeccable level of customer care.

--Maria W. (Google Review)

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Common Signs that Your Furnace is Failing

Furnace Blowing Cold Air

Not Warm Enough

Not Warm Enough

Strange Noises

Strange Noises

Furnace Odors

Furnace Odors

High Utility Bills

High Utility Bills

Furnace Leaking Water

Furnace Leaking Water

Straightforward service. Quick fixes. Happy homeowners.

THE MOST TYPICAL FURNACE PROBLEMS

The Batteries On The Thermostat Need To Be Replaced

Remember that your thermostat works on batteries which need to be replaced from time to time. If your house is chilly and you’ve headed to the thermostat to turn it on but found that it’s not working, don’t panic! Start with the most obvious of solutions first. Check the batteries!

The Circuit Breaker Might Be Blown

If you have reasons to believe this might have happened, go to the breaker’s panel and find the circuit which controls your furnace. If it has been switched to ‘Off’ or if it’s in the middle, you can test it first. Switch it back and forth a few times to make sure it’s not broken. Once you’ve established it still works, turn it back to the ‘On’ position.

Your Filters Might Be Clogged

There’s a very easy way to tell if this is the issue with your furnace. If it still works but you know from previous experience or from past years that it’s not producing as much heat as it should, then its filters might be clogged.

Fortunately, changing your filters is a very easy job. Locate them, pull them out one by one and hold them out against a source of light. It the light cannot shine through them, then you need to change them.

Another sign that you must change your air filters is the way they smell. If, when you turn on your furnace, the air that comes out from the vents smells like dust or mold, change them quickly!

Contaminated Burner Flames

Another very common issue when it comes to furnaces is that the burner flames get contaminated with a lot debris. But checking them out is quite an easy task! Simply look at the flames. They should be bright blue and very even. This means that the burners themselves are clean.

However, if the flame is colored yellow, your burners may very well be dirty and in need of a good cleanup. They can be polished easily enough. But remember not to do this while the furnace is on. Turn everything off, including the gas itself!

You will also want to clean the area around your burner. Since you don’t use it that much, dust settles in there during the warm season. The best thing to do is to check all this in late autumn, before you need to use your furnace every day so you can avoid any surprises.

Furnace Switch Might Be Turned Off

Sometimes, problems can be as simple as a switch not being turned on. But when your whole house is cold and you don’t have a working knowledge of your heating system, it can be devastating. So, if something is wrong, try the obvious solutions first. If you notice that the furnace switch is off after you have located it somewhere inside or next to the cabinet, switch it back on. Wait a few moments for the furnace to engage. This, consequently, leads us to the following.furnace switch

If the furnace doesn’t engage, then you might have bigger issues than just flipping the switch on and off and you need to call in a specialist. We need to impress on you that actually repairing your heating system is a very serious matter that you should not undertake on your own. Please call us immediately, explaining exactly what happened. Our specialists will find the best and fastest solution when it comes to furnace repair in Baltimore, MD.

Moreover, if you have questions, we are always available and very easy to reach on our website, where you can message us with all your questions and queries about your heating systems. Furnace repair in Baltimore, MD has never been easier once you know what to do, how your furnace works, and whom to call if anything should happen to your HVAC system!

SuperTech HVAC Services is your reliable furnace repair team for Baltimore. We offer affordable repair rates and peace of mind. We can also handle heating installations and maintenance as well as air conditioning repair services for homes and businesses.

Safer and More Comfortable Home
with SuperTech's Furnace Repair 

SuperTech HVAC Services is your reliable furnace repair team for Baltimore. Please call us immediately, explaining exactly what happened. Our specialists will find the best and fastest solution for you! If you have questions, we are always available and very easy to reach.

Furnace repair in Baltimore, MD has never been easier once you know what to do, how your furnace works, and whom to call if anything should happen to your HVAC system! We can also handle heating installations and maintenance as well as air conditioning repair services for homes and businesses. 

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