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Top-Rated Boiler repair pros in Marks - Updated Nov 2026

Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+13 more

Serving Marks, MS and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"I called James to fix a sound problem on my laptop that my husband was unable to resolve. He came to my office and not only fixed that issue, but several others that he found.  Additionally, on a subsequent day, I was unable to print anything, called James, and he remotely fixed the issue.
I am VERY thankful that I found North Alabama Technical Services! James is professional and personable in addition to being extremely knowledgeable. He really knows his stuff, and I highly recommend him. Why waste time and energy trying to fix things yourself and add to your problems when you can have someone like James actually fix it quickly and the right way the first time? Plus there's no anxiety and cussing --- and everyone who has tried and failed to solve computer issues yourself knows what I'm talking about!
(P.S., I think our Angie's List account is in my husband's name, but this service was contracted by Kathy, not Mark.)
"
2014 Super Service Award Winner!
Additional Photos
Recommended by97%of homeowners
DENT TURNER AC SALES
4.3(
4
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+13 more

Serving Marks, MS and surrounding areas

In business since 1992

Emergency services offered

Warranties offered

We have been in the A/C and Electrical business since 1992 here in central Mississippi.We are an authorized Rheem dealer. We are Licensed, Bonded and Insured. We sell the best and service the rest!!

Recommended by50%of homeowners
Sears Heating and Cooling - Memphis
3.8(
11
)
Boiler or Radiator Heating System - Install or ReplaceGas Boiler or Radiator Heating System - InstallOil Boiler or Radiator Heating System - Install

Serving Marks, MS and surrounding areas

In business since 1893

Free estimates

Warranties offered

Sears Home Improvement Products � Heating and Cooling \n \nSears can provide the right solution to your home improvement needs. We offer a full line of exclusive Kenmore� and Carrier� heating and cooling systems. Get the brands you trust from the name you recognize � Sears. Schedule your FREE In-Home Consultation today! \n

Recommended by87%of homeowners
Cummins Maintenance LLC
New to Angi
Electric Boiler or Radiator Heating System - InstallElectric Boiler or Radiator Heating System - RepairGas Boiler or Radiator Heating System - Install+3 more

Serving Marks, MS and surrounding areas

In business since 2008

Free estimates

Emergency services offered

Cummins Maintenance .Ll is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

ComfortPro Heating and Cooling - Beranda Facebook
New to Angi
Gas Boiler or Radiator Heating System - Install

Serving Marks, MS and surrounding areas

In business since 2012

Credit card accepted

With over 10 years of experience in the HVAC industry, we are the experts you need to take care of your home or business. We handle everything from commercial to residential projects We will treat your home as we would treat our own. Give ComfortPro Heating and Cooling a call today! We look forward to working with you!

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Boiler Repair FAQs, answered by experts

When it comes to bleeding a radiator, the goal is to let out trapped air rather than letting out the water. Naturally, some water will dribble out when you open the valve to let out the air. But you don’t want a lot of water to leak out. Just leave the valve open long enough that the hissing noise stops, meaning the air has escaped, and just a dribble of water comes out of the radiator.

Attempting DIY fixes can be dangerous. Regular boiler maintenance can help prevent overheating, so schedule professional servicing as a preventive measure. In an emergency, telling occupants to leave the house is a good idea. Then, you can turn off the boiler and the gas or fuel supply. Let it cool naturally, and check the thermostat's settings. Ensure there are no obstructions around the boiler for proper ventilation. Monitor the pressure gauge; if it's too high, bleed the radiators if necessary. During this time, bringing in professionals for troubleshooting is also smart.

Once you know where your bleed valves are and how to use them, bleeding out heaters is a quick process. Expect it to take around 10 to 20 minutes, possibly longer if you have a lot of heaters or are still learning how they work. If you have a central bleed valve on your boiler, the process still takes the same amount of time. Make sure you have any keys necessary to turn the bleed valves on. Without bleed valves, the process should take around three hours.

Clean regularly, check for leaks, and schedule annual inspections for safety and efficiency.

To maintain a boiler and ensure it works optimally, regularly read the temperature and pressure gauges on the unit to ensure they're within the limits described in your owner's manual. Lubricate the circulating pump according to the manufacturer's instructions. Check the water level in the expansion tank and open the tank valve to drain it if it's more than half full.

The Marks, MS homeowners’ guide to boiler repairs

From average costs to expert advice, get all the answers you need to get your job done.