Top 9 HVAC Conferences in the South in Spring 2026
The South in Spring has 9 HVAC conferences on the 2026 calendar.
District of Columbia heads the count with 2; Arkansas (1) and Oklahoma (1) follow.
Ranked list
9 conferences
1
GoldOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
ASHRAE Region VIII CRC has cemented its place as a well-regarded event in the HVAC industry. Attendance pricing of $$ signals a serious operator audience, and the Orbital team rates it in the second tier based on a combination of attendee quality, exhibitor ROI data, and industry relevance. If you're selling into the HVAC category, this gathering should be on your shortlist.
2
GoldOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
Catalyst PHCC has cemented its place as a well-regarded event in the HVAC industry. Attendance pricing of $$$ suggests a filtered, high-intent room, and the Orbital team rates it in the second tier reflecting a holistic view of buyer density, lead quality, and industry footprint. Sales teams working the HVAC space, this conference is worth a serious look.
3
GoldOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
Based on 500–1k annual attendees, MCAA Field Leaders Conference ranks solidly as a high-value conference within the HVAC sector. Entry at $$$ suggests a filtered, high-intent room, which is why Orbital rates it at Gold using a framework weighted toward decision-maker access and verified exhibitor ROI. For teams targeting the HVAC industry, this show is worth a serious look.
4
SilverOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
Given its <500 expected attendees, Florida Environmental Balancing Bureau Annual Conference has cemented its place as a dependable event in the HVAC industry. For teams targeting the HVAC industry, this event deserves a line item in your event budget.
5
SilverOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
With <500 industry professionals on the floor, HARDI Congressional Fly-In sits firmly as a solid mid-tier show across the HVAC space. Sales teams working the HVAC market, this event deserves a line item in your event budget.
6
SilverOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
Apr 7–9, 2026·Oxon Hill, MD·1k–2k attendees·$$$ ticket
Our take
Considering 1k–2k registered participants, Niagara Summit stands as a Silver-rated gathering for the HVAC vertical. Registration at $$$ implies a vetted crowd of decision-makers, leading Orbital to rate it as a Silver event informed by verified attendance composition, post-show exhibitor outcomes, and editorial assessment. Exhibitors focused on the HVAC category, this event should be on your shortlist.
7
BronzeOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
May 5–6, 2026·Washington, DC·<500 attendees·$$ ticket
Our take
Considering <500 registered participants, PHCC Legislative Conference stands as a Bronze-rated gathering for the HVAC vertical. Registration at $$ suggests a filtered, high-intent room, leading Orbital to rate it as a Bronze event reflecting a holistic view of buyer density, lead quality, and industry footprint. Sales teams working the HVAC industry, this show should be on your shortlist.
8
SilverOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
With 500–1k industry professionals on the floor, PHCC of Georgia Annual Trade Show & Convention sits firmly as a solid mid-tier show across the HVAC space. Ticket pricing at $ implies a vetted crowd of decision-makers, and our team places it among Silver events based on a combination of attendee quality, exhibitor ROI data, and industry relevance. Sales teams working the HVAC vertical, this show belongs on any serious exhibitor's planning list.
9
BronzeOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
Mar 10–12, 2026·New Orleans, LA·1k–2k attendees·$ ticket
Our take
Considering 1k–2k registered participants, Lennox LIVE stands as a Bronze-rated gathering for the HVAC vertical. Registration at $ implies a vetted crowd of decision-makers, leading Orbital to rate it as a Bronze event based on a combination of attendee quality, exhibitor ROI data, and industry relevance. If you're selling into the HVAC vertical, the show deserves a line item in your event budget.
GoldOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
GoldOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
GoldOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
SilverOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
SilverOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
SilverOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
BronzeOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
SilverOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
BronzeOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.
Frequently asked questions
How many HVAC conferences are happening in South?
There are 9 HVAC conferences listed for South in this guide. Browse the full list above to compare dates, locations, and expected attendance.
When is the biggest HVAC event in South?
MCAA Field Leaders Conference is one of the largest events on this list with approximately 500–1k attendees. It takes place Apr 7–9, 2026. Location: Houston, TX.
What's the cheapest HVAC conference to attend?
Lennox LIVE has the lowest ticket price on this list ($). It's held in New Orleans, LA. Expected attendance: approximately 1k–2k.
Further reading
More Orbital conference guides in related industries
Orbital's verified directory covers 1,924 trade events across 12 industries — with attendee counts, ticket pricing, exhibitor costs, and tier ratings for every listing.