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News & Events

News & Events

HMI wins SEMCO’s Rep of the Year Award!

We are proud to announce Hahn Mason Air Systems was awarded SEMCO’s Representative of the Year Award for 2019. The award was given at a ceremony at the SEMCO Event during the recent AHR Expo. We look to continue our success with the line into 2020.


Hahn Mason represents the full line of SEMCO products across North and South Carolina.


Contact your local salesperson for more information on SEMCO products.


Customer Appreciation Lunch – February 12, 2020

February 12th is Abe Lincoln’s Birthday! Come join us for lunch for less than a penny!

Featuring “Two Chicks and A Truck”

Come join us from 11 am – 2 pm on Wednesday, February 12, 2020 for lunch!

Some of the menu items include “Down South Chicken Philly”, “Philly Cheese-steak”, “Bourbon Chicken Quesadilla”, “Buffalo Chicken/Bacon Tacos”, “Spinach/Artichoke Quesadilla”.


4901 Dwight Evans Road

Charlotte, NC 28217

HMI / Modine Atherion® Commercial Packaged Ventilation Unit Roadshow

Tuesday, Jan 14th – Greenville & Asheville (morning & afternoon scenario)
Wednesday, Jan 15th – Greensboro
Thursday, Jan 16th – Raleigh
Tuesday, Jan 21st – Charleston
Wednesday, Jan 22nd – Columbia
Thursday, Jan 23rd – Charlotte


The Atherion® Commercial Packaged Ventilation Unit is the ideal solution to effectively and efficiently meet the challenge of conditioning high volumes of outside air for ventilation, regardless of your geographic location. Whether you are in the humidity-soaked air of the Southeastern United States, in the drier, milder air of the West, or the wide four-season-variation of the upper Midwest and Northeast, the unit can be customized to meet your outside ventilation air requirements.
With the Energy Recovery Exhaust option, your system is highly effective at recapturing energy from the building exhaust airstream, potentially saving thousands in annual energy costs.
The unit is fully selectable to meet job specific conditions and unit configuration requirements using our industry leading online selection system, Breeze™ AccuSpec that provides easy
online selection, quotes and ordering.  CSI-formatted specifications available, saving engineers valuable time.

The Atherion is available in 7-60 nominal ton capacities with (3) cabinet sizes.  The Modine trailer showcases a 7-20 ton “B” cabinet to allow designers, contractors, and building owners to see first hand Modine’s dedication to superior design and construction.


Contact your local sales person for additional details.

Upcoming Antec Training Sessions (Webinars)

Jan 30th, 2020 – Retrofitting laboratories

Retrofitting laboratories is a cost effective solution to turning outdated laboratories into efficient, up-to-date laboratories. In this webinar, participants will learn what you keep and what you replace during a retrofit project, how design decisions are affected, and the cost savings associated with retrofitting a laboratory space.


March 19th, 2020 – Understanding Laboratory Standards

It is crucial for Engineers to understand laboratory standards when designing laboratory spaces. This webinar will dig deep into laboratory standards and will discuss how the standards can affect the choices made during the design process. Commonly asked questions and a review of different lab standards will be addressed throughout the webinar.


May 21, 2020 – Designing Laboratory Spaces

Designing laboratory spaces come with a unique set of challenges for designers. This webinar will review how to design a laboratory HVAC system, addressing key components such as: room pressure standards, fume hood controls, air change rates, and occupancy set up.


All three can be registered for at the link below.

New Manufacturers

We are excited to announce we have added

  • Detroit Radiant – Gas fired infrared radiant heaters – Dry tube system


  • SkyBlade – High volume low speed (HVLS) fans, Warehouse Fans, Dock & Door Fans

to our line card.

Please contact any office for more details.

Inventory Sale!

The following items are available and ON SALE. Please contact the Charlotte Office for pricing. 704-523-5000

Static Fire Dampers

  • 1 – Type A 10×6
  • 4 – Type A 14×8
  • 1 – Type A 14×10
  • 13 – Type A 16×6
  • 7 – Type A 16×8
  • 3 – Type A 16×10
  • 5 – Type A 16×14
  • 4 – Type A 18×8
  • 1 – Type A 18×14
  • 10 – Type A 18×16
  • 9 – Type A 20×6
  • 2 – Type A 20×8
  • 3 – Type A 20×10
  • 1 – Type A 20×14
  • 3 – Type A 20×16
  • 7 – Type A 20×18
  • 2 – Type A 24×14
  • 1 – Type A 24×24
  • 4 – Type C 18″ Round
  • 4 – Type C 20″ Round

Reznor Unit Heaters

  • 2 – UDAP 100
  • 1 – UDAP 45
  • 1 – UDAP 75
  • 1 – UEAS 130
  • 1 – UDAP 400


Updated February 10, 2020

Customer Appreciation BBQ Lunch

We would like to invite you and your associates to our Customer Appreciation BBQ Lunch.

4901 Dwight Evans Road, Suite 120

Charlotte, NC 28217

Friday, October 25, 2019

11:30 am – 1:30 pm

We appreciate your business and hope to see you there!