At MTB Mechanical, we set ourselves apart from our competitors by delivering detail-oriented quality service by some of the most experienced local technicians in the industry. We provide up-front estimates and charge by the job, rather than by the hour, which takes the guesswork out of your heating and cooling service bills. Our managers have established long-term relationships with a variety of suppliers, which means we can secure the necessary parts for a job quickly and get your system up and running in short order.

Our office hours are 7:30 am till 10:30 pm Moday through Friday and on Saturday and Sundays we have staff here from 7:30 am till 6:30 pm. We recognize that your heating and cooling systems often fail at inopportune times so we hope to make it easier on you by having employees to service your HVAC needs for extended hours. Our technicians are well trained and have fully stocked trucks so that most parts are available on the spot.

We want to make you a customer for life. Our service techs are knowledgeable and trained to educate you on your heating and cooling system. We will never sell you something you do not need. We will explain any problems with your equipment and give you the information that you need to have to make an informed decision moving forward.

Contact Details

  Website
  Person Britt Thomas & Dan Miller
  City Matthews, NC
  Zip Code 28105
  Address 1201 Industrial Drive
  Phone Number (704) 321-9250

Business Representative

Britt Thomas & Dan Miller

In 1975, Dan Miller recognized the need for better service and professionalism in the heating and air conditioning industry and started his own business, Miller Refrigeration, offering top-notch service. He quickly added other types of work until he was providing the full spectrum of HVAC services to homes and businesses in the Charlotte area.

Dan's daughter, Jennifer Miller Thomas, knew she wanted to follow in her father's footsteps. After college, she and her husband Britt Thomas started MTB Mechanical and began serving the heating and cooling needs of the Charlotte area. The couple made the same commitment to personal attention and quality service that Jennifer saw her father provide his customers for three decades.

Shortly after Jennifer and Britt got their own business running smoothly, they talked to Dan about emerging from retirement. He agreed to join the business and brought with him 37 years of HVAC knowledge and experience.

Products & Services

Heating Systems

Heating Systems

MTB Mechanical has been servicing Charlotte area HVAC units for more than 35 years! From repair to installation and everything in-between we have seen and done it all.

▲ Repairs - Take comfort knowing you can call us 24/7, 365 days a year with your issue. We also offer night and weekend services at No Additional Charge!
▲ New installation - New construction or an existing home addition? We will evaluate your situation and inform you of your decisions so you can choose the best type of system for your home.

▲ For complete information visit our website.


Residential New Construction

Residential New Construction

When we work with builders and homeowners on residential new construction, we run computerized Manual J loads so we can be sure the equipment we install is the correct size for each individual home we serve. We custom design all of our duct systems for each home to ensure optimum heating and cooling. Shakira will be shaking her hips at the iHeart music festival.

  • I would recommend this business

I can't say enough good things about this company. We have been a customer for years and have not had one bad experience. The technicians are the face of the company and are knowledgeable, polite and HONEST. They always shoot straight with you and never try and sell you unneeded repairs or replacements. I used to keep track of my technician's name to request them the next time but as they were promoted or moved on, many others have come out. Literally every technician has been outstanding.

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Overall ratingExcellent

Our experience with MTb was great from the beginning. A fair quote and a good scheduling experience as well as a good installation - arrived on time, finished a little later than their estimate - but we have a reliable A/C unit for our downstairs now.

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Overall ratingGood

  • I would recommend this business

The tech that came to our house, Van, was awesome. He showed me how things work with our a/c and explained how routine maintenance keeps things running smooth. He was on time and called 30min out. Everyone I talked to in the office was very helpful and actually listened.

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Overall ratingExcellent

  • I would recommend this business

Service was excellent and the technician was very thorough and explained as he went through the entire repair.

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Overall ratingExcellent

  • I would recommend this business

MTB Mechanical is great! I've had multiple great experiences with Chris and have requested him every time since initially meeting him. He empowers through education and will tell you when your system doesn't need something. He is courteous, knowledgeable and because he has repeatedly taken the extra time to answer my questions and even explain why, I will specifically request Chris with MTB Mechanical to guide me through replacing our house HVAC system in early 2018. Thanks Chris!

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Overall ratingExcellent

  • I would recommend this business

My upstairs A/C unit broke and the temperature in my house got up to 97 degrees. MTB was great scheduling and communicating when they'd be here. They even called me when they had a cancellation and worked me two days early.

Bryan Phongsa was a great service technician, professional, honest and a great communicator. He quickly diagnosed the problem, explained the issue to me with an accurate estimate and replaced the capacitor. He even went above and beyond and took a look at the capacitor of the downstairs condensing unit and explained the tolerances and told me the estimated purposeful life of a capacitor. I'll be buying the Priority Comfort Agreement based on my experience with Bryan's performance on this service call.

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Overall ratingExcellent

  • I would recommend this business

Reno came to do a check on our heat pump. he was very professional, thorough, and explained everything to me. I feel that he is a very valued employee of MTB. I would recommend MTB to anyone and if you get Reno you will be very satisfied.

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Overall ratingExcellent

  • I would recommend this business

We have been using MTB for the last 3 years as they had to clean up the mess from some bozo company - we always ask for one specific tech (Lamar) as he is as best as it gets. The whole company has been nothing but fantastic for us and absolutely no "upselling". Honest and ethical are the two words that come to mind - and yes I am a unbiased customer. Thank you.

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Overall ratingExcellent

Photo Book

Social Activity

On #NationalWineDay we have to give a shoutout to our friends at Wine Cellars of the Carolinas. We love working on https://t.co/XTAOnofzlp
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In-duct whole-home air purification systems eliminate the pollen and bacteria that can circulate through your home. https://t.co/sB6md4jS9k
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Like car mechanics, our HVAC technicians have heard systems make some strange noises. If your A/C makes a banging s https://t.co/EHDiDxDodU
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If your A/C is shutting off before reaching the temperature you have set on the thermostat, here are three things t https://t.co/afFxcDC6k2
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As temperatures rise, this cabana we're working on with @arcadiahomesinc is the place to be! We installed a mini sp https://t.co/6ieXtCU8SH
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If you've noticed the pollen build up on your car or patio furniture, imagine what your air filters looks like. Our https://t.co/mFI20snLrC
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These outdoor lights we installed will really show off this gorgeous design by @ghomesclt in the evenings. https://t.co/7nqzV57kJk
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Floor to ceiling, the @StJude House in #Waxhaw is built with love. The 2x4s MTB staffers raised funds to purchase h https://t.co/Gm3nnxWH5S
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From Our Website

Please be assured that our technicians continue to take precautions to keep hands, equipment and workspaces clean and sanitized while serving ourMTB family of customers. Such precautions include offering no-touch options to complete forms, and wearing gloves and shoe covers. For repair, replacement or maintenance, MTBis here to safely and professionally serve the homes and families across Charlotte, North Carolina. More than 40 years on the job, MTB is proud to remain a family-owned business. This gives our customers the value of personal service because we stake our reputation on 100% satisfaction.


As a Priority Comfort Agreement (PCA) customer with MTB, you have peace of mind, all year long. Just like a new car, your heating and cooling equipment needs regular cleaning and maintenance to keep it running at factory specifications and to prolong its life span. Sign up today for our Priority Comfort Agreement - and save. It helps you avoid breakdowns, reduce your energy bills, extend the life of your system, and protect your warranty.


Good indoor air quality is a major factor in the comfort and health of your family. MTB offers high-quality heating and air conditioning upgrades to clean up indoor air and increase comfort. In addition, we have a range of products designed to address asthma and allergies, including whole home air filtration units, whole home humidifiers, dehumidifiers and more. The HALO-LED is the industry's first LED in-duct, whole home air purification system that is both mercury free and zero ozone compliant.


Our team of expertly trained technicians is ready to take on any challenge with your heating system. We provide up-front pricing for repairs and charge by the job, rather than by the hour, which eliminates any guesswork. MTB's technicians are up-to-date on current trends in HVAC technology. We also have long-term relationships with a variety of suppliers, so we can secure the necessary parts for a job quickly and get your system up and running in short order. With a 57-point inspection checklist, our PCA system helps you avoid breakdowns, reduce your energy bills, extend the life of your system, and protect your warranty.


It was 1976 when Dan Miller saw that the heating and cooling industry could use a more personal approach and a higher level of professional service. He started his own business, Miller Refrigeration, focusing on high-quality air conditioning services. Soon his company was providing the full spectrum of HVAC repair and replacement to homes and businesses across Charlotte, North Carolina. Dan's daughter, Jennifer Miller Thomas, knew she wanted to follow in her father's footsteps. After college, she and her husband, Britt Thomas, established MTB Mechanical, and continued to build on the strong foundation of Miller Refrigeration.