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*The Angi rating for Heating And Air Conditioning Service companies in Lancing, TN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Lancing, TN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on May 21, 2026

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Avatar for Shield Mechanical LLC
Shield Mechanical LLC
5.0(
5
)

Serving Lancing, TN and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

\nShield Mechanical is a family-owned and operated HVAC contractor offering a true one-stop shop for all your heating and cooling needs. From reliable service and repairs to complete system replacements, new installations, and full new-construction HVAC projects, we deliver quality workmanship you can depend on. At Shield Mechanical, we’re committed to solutions that keep your business or home running at its best — because our mission is simple: Protect Your Comfort.\n\n

Split system replacement
Split system replacement
Split system replacement
Split system replacement
New Duct System

+23

3 neighbors recently requested a quote
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Avatar for MBM HEATING & AIR CONDITIONING SERVICES, INC.
MBM HEATING & AIR CONDITIONING SERVICES, INC.
5.0(
5
)

Serving Lancing, TN and surrounding areas

In business since 2023

Free estimates

Emergency services offered

MBM Heating and Air offers a wide range of services for anyone needing HVAC servicing, such as installations, scheduled maintenance, and complete replacement of your HVAC systems. We Serve Morgan and Surrounding Counties in Tennessee.

Gallery
Gallery
Gallery
Gallery
HVAC System Install

+2

Response time8 hrs
Response rate89%
3 neighbors recently requested a quote
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Avatar for Cooks Installs and Repairs
Cooks Installs and Repairs
5.0(
15
)

Serving Lancing, TN and surrounding areas

In business since 2023

Free estimates

"Justin installed a natural gas vent free wall heater and did a fantastic job! Very professional and a very pleasant man! Also, fixed some electrical issues! Would definitely recommend him!"
Response time1 day
Recommended by8%of homeowners
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Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)

Serving Lancing, TN and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"Mr. Ferrell first connected his computer to my computer via internet and worked for quite a few hours trying to determine what exactly was wrong. The next day he continued working from his computer for several hours. He determined he would have to have my desktop tower to complete the repair. He and my son met in Huntsville to exchange the tower. He then cleaned up a lot of what was wrong and reloaded Windows 10. He deleted the D: drive which had way too much memory allotted to it. The tower was returned and I plugged it all back together and it is working better than it did when I first purchased it. I would use him again and I recommend him highly to anyone needing computer updating and/or repair. His work is warrantied and he is very personable, knowledgeable, and helpful."
2014 Super Service Award Winner!
Additional Photos
Recommended by97%of homeowners
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Avatar for Captain's Heating & Cooling
Captain's Heating & Cooling
5.0(
5
)

Serving Lancing, TN and surrounding areas

In business since 2024

Free estimates

Credit card accepted

"John was very professional and knowledgeable. I would use Captain heating and cooling again for maintenance or repair work."
Response time10 mins
Response rate92%
Recommended by100%of homeowners
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Heating and Air Conditioning questions, answered by experts

No, you should not attempt to replace an AC evaporator coil yourself. This is a complex task that must be performed by a licensed HVAC technician. The process involves handling hazardous and flammable refrigerants, which poses significant safety risks. Attempting a DIY replacement can also cause further damage to your HVAC system and will likely void its warranty. It is necessary to hire a local AC repair professional for this job.

Running an air conditioner with mold is not safe because it can spread harmful mold spores throughout your home. Exposure to these spores can trigger various health problems, including respiratory issues, allergies, coughing, wheezing, sneezing, itchy eyes, and a sore throat. It may also aggravate asthma in household members. Continued exposure can increase the risk of more serious illnesses like sinus infections, pneumonia, and bronchitis. If you suspect mold in your air conditioner, you should stop using the system until it has been properly cleaned to avoid health risks and further contamination.

Yes, it’s important to turn off your AC sometimes to give it a break and prevent it from freezing up. If your AC runs all the time, your system’s parts will wear down quicker, which may mean that you need to replace it sooner. Plus, using your AC constantly uses more electricity and leads to higher energy bills.

Turn your system off when you're toasty or when you're out to prevent unnecessary wear. Using the timer on your thermostat so that it switches off when it reaches a certain temperature or turns on just before you get back from work is best. An annual maintenance contract can be helpful to ensure your system receives these important services at regular intervals.

No, for two very important reasons. First, it’s illegal to release refrigerant into the air or ground since it can be toxic and cause environmental damage. Technicians typically pump old or extra refrigerant into separate tanks for special disposal. Second, without professional equipment to read refrigerant pressure and levels, plus the AC’s suggested requirements, it’s impossible to know if you’ve removed the right amount of refrigerant. Stay away from a DIY solution here and seek an expert with the right tools.

The Lancing, TN 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.

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