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Best heating and air conditioning pros near Mermentau, LA

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Top-Rated Heating and air conditioning pros in Mermentau - Updated Nov 2026

Avatar for Eagle Construction Inc
Eagle Construction Inc
4.7(
98
)
Air Ducts & Vents - CleanDucts & Vents - Install or Replace

Serving Mermentau, LA and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Emergency services offered

"Great, Dustin was very through in his initial inspection, he included pictures of the areas I couldn’t get to. He also pointed out a few things that needed to be addressed and offered to fix those at no charge . That’s Right- NO CHARGE!! The blown-in insulation included a pest deterrent They also put mesh in all the weep holes to seal out pests and rodents. The crew arrived timely, and they were all very professional and courteous. They cleaned up after themselves both inside and out. Amazing, awesome, professional, courteous, and VERY affordable !"
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Response time2 days
Response rate100%
60 neighbors recently requested a quote
Avatar for Allies Air LLC
Allies Air LLC
5.0(
4
)
Ductless Mini-split A/C - Install or ReplaceCentral A/C - Service or RepairDucts & Vents - Install or Replace

Serving Mermentau, LA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Fast and amazing service! I woke up at 4 am to my ac running but blowing hot air. Called Allies Air and they showed up first thing that morning and had me fixed up in 20 minutes! Exceptional customer service that didn’t break my bank! Highly recommend!"
Response time7 hrs
9 neighbors recently requested a quote
Avatar for Jackson Controls Heating And Air LLC
Jackson Controls Heating And Air LLC
4.9(
13
)
Air Ducts & Vents - CleanBoiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For Business+48 more

Serving Mermentau, LA and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"I am very pleased. He told me and show me the problem was. He is polite and fixed my AC in the morning that didn't take too long. I have no problem at all he told me all the details what needed to get done. I highly recommend him as he is very respectful and after the work he gave me a call to make sure that the AC is working."
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+7

Recommended by100%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

On a summer day, expect your AC to run between 12 and 16 hours. However, this time frame depends on just how hot it is outside and the comfortable temperature you’re hoping to maintain indoors. Assuming the size of your AC is appropriate for the space you’re trying to cool, it shouldn’t be a problem for it to work this many hours.

The cost to replace an AC evaporator coil is typically between $600 and $2,500, with an average cost around $1,300 to $1,350. The price of the coil itself can range from $550 to $1,100, depending on the brand, size, and style, with professional labor adding around $700. Replacing a condenser coil is generally less expensive, costing about $800. Because this repair involves handling refrigerants, it requires a licensed AC professional. Regular inspections, which cost between $200 and $600, can help prevent costly coil replacements.

A 3-ton AC unit is probably too big for a home that’s 1,200 square feet. If you have a 1,200-square-foot home, you likely need a unit that’s somewhere around 1.9 and 2 tons. An AC unit that’s too large will be really inefficient and cost you a lot of extra money on your bills. 

After a while, dust, dirt, and other debris accumulates on an AC unit's coils and filters, making it less efficient and spreading allergens and other air pollutants throughout your home. Cleaning your AC unit will keep it running efficiently, minimizing future breakdowns and improving your indoor air quality.

It’s critical to use the right size AC for your space and not go too small or too big. If you purchase an undersized unit, it won’t properly cool your house, and it has to work harder to reach the optimal temperature. This will eventually wear your unit out. An oversized unit can spell trouble because it will turn off and on more frequently, which also wears out your AC unit. An oversized unit also causes humidity in the home.

The Mermentau, LA homeowners’ guide to heating and air conditioning services

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