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Best boiler installation pros near Athens, TN

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    Verified boiler installation services reviews

Top-Rated Boiler installation pros in Athens - Updated Nov 2026

Avatar for Covenant Air LLC
Covenant Air LLC
4.7(
27
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Athens, TN and surrounding areas

In business since 2010

Credit card accepted

"Mr. Coffee is a hero who risks his health daily to help mitigate dangerous radon problems for strangers who call for help. This is a dangerous job with daily high radon exposure and when I asked, he said he is aware of the risks but gets his health scanned multiple times a year. I called Covenant Air back in December after noticing that my Safety Siren Pro radon detector kept reaching alarm. Mr. Coffee came out and assessed that I could probably fix the problem myself by sealing some obvious cracks, especially around some pipes, and recommended the products so that I can do it cheap DIY. He was obviously not pushy to scare people into signing contracts, but actually tried to dissuade me from hiring him right off on installing sub slab depressurization. Although the DYI route he recommended would've been cheaper, I hired him to performs the job. The sealing did bring the radon level down where my detector's alarm didn't go off, but I wanted to lower it as much as possible. He then recommended a passive ventilation route given my reading. The passive ventilation again slashed the radon level in half, but I wanted the radon level down even further, so I ultimately opted to install the fan after weeks of data collection and analysis. He installed the fan so that I could easily turn it off to save energy based on seasonal variations. He is a very personable and methodical person, and prefers to monitor the progress of his work so that his customers don't hastily incur unnecessary cost. You almost never see someone like that in the service industry, and I cannot recommend him highly enough.
"
Closet
Fan Placement
another view
Recommended by88%of homeowners
On call maintenance
4.6(
17
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Athens, TN and surrounding areas

In business since 2006

Emergency services offered

Credit card accepted

"I called him after a friend told me about him I called him to look at my hot water heater he told me he would be over in an hour Steve showed up on time and installed a new thermostat and new heating elements , he had the parts on his truck so was very fast an hour an half was gone , I thought I was going to buy a new heater"
Recommended by93%of homeowners
Avatar for Daniel Hood Roofing
Daniel Hood Roofing
4.4(
184
)
Boiler or Radiator Heating System - Install or ReplaceElectric Boiler or Radiator Heating System - InstallGas Boiler or Radiator Heating System - Install+3 more

Serving Athens, TN and surrounding areas

In business since 2013

Free estimates

Credit card accepted

"First day of my vacation and there was no heat!  I didn't tell them it was my birthday, and so far it was miserable.  But I called and asked if someone could come out and find out what was wrong with my HVAC system.  I called the company that installed it, and they wanted an exorbitant up front price.  Hood's only wanted a fair, nominal fee to diagnose the problem, which I was so thankful for.  I live in Oak Ridge and was starting to think nobody would come.  They sent Chris out the same day, and without complaint he stayed as long as it takes to figure out everything he would need to do to get us up and running.  I have an older system and I expected a sales pitch.  Didn't get one.  I got straight up workmanship.  Chris was honest and knew what he was doing.
I told them I could give them the money to fix the unit on Friday.  So Friday, Chris came back out, with the new part I was missing (blower motor) and took care of the job.  
He didn't do anything that might make the visit more expensive.  He did everything he could to be considerate of the expense, and he was extremely polite the entire time.  When he was done, I spoke to Mary on the phone who always sounds like she's so very happy.
I was impressed by their professionalism.  They went above and beyond what is required in their work and I will never consider using anyone else until I've asked Hood's for other jobs I will have around my property.
"
Roof replacement
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+4

Recommended by91%of homeowners
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Install Boiler FAQs, answered by experts

If you're often struggling with radiator issues like chilly spots, leaks, or annoying noises, those are common indications that your radiator may need to be replaced. Corrosion, uneven heating, and persistent hissing sounds are common issues as well. When repairs become a regular chore and your home’s energy bills start to rise, a new radiator will bring the comfort and savings you need.

Common problems include leaks, low pressure, and inefficient heating. Regular maintenance prevents many issues.

Warmed or cooled air can escape your home through drafty windows and doors. If you notice any gaps, be sure to caulk and seal them. You can also hire a local pro for an energy audit to get a list of energy-saving recommendations. 

Finally, check your insulation. It can settle in over time and become less effective. The Environmental Protection Agency (EPA) estimates that you can save an average of 15% on heating and cooling costs (or 11% of total energy costs) by sealing leaks and making sure attics, crawl spaces, and basements have a nice layer of insulation.

Boiler installations and replacements cost between $3,600 to $8,400. Expect to pay around $5,900 on average for a new boiler, including installation. Adding new radiators or heaters to the boiler may include separate costs if you are also upgrading those components, so the final price may be higher. To decrease costs, you can look for local energy rebates for using a boiler and wait until installers are offering discounts for a first-time installation.

Many utility companies and government programs offer rebates or incentives for the installation of high-efficiency propane boilers. These can offset upfront costs and improve your return on investment. Check with your local utility or installer for current offers. Incentives vary by state and provider, so exploring regional programs can help maximize your savings.

The Athens, TN homeowners’ guide to boiler installation services

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