Top 8 Tier B HVAC Conferences 2026

1. 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

   Apr 24–26, 2026·Little Rock, AR·$$ ticket

   Our take

   ASHRAE Region VIII CRC has cemented its place as a well-regarded event in the HVAC industry. Attendance pricing of $$ implies a vetted crowd of decision-makers, 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 industry, this event belongs on any serious exhibitor's planning list.

2. 2
   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.

   ASHRAE Winter Conference

   Jan 31–Feb 4, 2026·Las Vegas, NV·2k–5k attendees·$$$ ticket

   Our take

   Considering 2k–5k registered participants, ASHRAE Winter Conference 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 drawing on multi-cycle exhibitor feedback and verified attendee role data. Operators building pipeline in the HVAC market, this conference merits inclusion in your annual conference calendar.

3. 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.

   At the Movies – Lemon Seed Conference

   Jan 25–27, 2026·Lufkin, TX·$$ ticket

   Our take

   At the Movies – Lemon Seed Conference sits firmly as a strong-performing show across the HVAC space. Ticket pricing at $$ suggests a filtered, high-intent room, and our team places it among Gold events using a framework weighted toward decision-maker access and verified exhibitor ROI. For teams targeting the HVAC market, the show should be on your shortlist.

4. 4
   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

   Mar 23–25, 2026·Oklahoma City, OK·$$$ ticket

   Our take

   Catalyst PHCC has cemented its place as a well-regarded event in the HVAC industry. Attendance pricing of $$$ reflects a deliberate barrier that filters for committed buyers, 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 space, this conference is worth a serious look.

5. 5
   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.

   Expo Frio Calor Argentina

   Sep 9–11, 2026·Buenos Aires, AR·2k–5k attendees·$ ticket

   Our take

   Based on 2k–5k annual attendees, Expo Frio Calor Argentina ranks solidly as a high-value conference within the HVAC sector. Entry at $ implies a vetted crowd of decision-makers, which is why Orbital rates it at Gold informed by verified attendance composition, post-show exhibitor outcomes, and editorial assessment. Exhibitors focused on the HVAC vertical, the show should be on your shortlist.

6. 6
   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.

   HARDI Annual Conference

   Dec 8–11, 2026·Las Vegas, NV·2k–5k attendees·$$$ ticket

   Our take

   Considering 2k–5k registered participants, HARDI Annual Conference stands as a Gold-rated gathering for the HVAC vertical. Registration at $$$ signals a serious operator audience, leading Orbital to rate it as a Gold event using a framework weighted toward decision-maker access and verified exhibitor ROI. For teams targeting the HVAC space, this gathering is worth a serious look.

7. 7
   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.

   MCAA Field Leaders Conference

   Apr 7–9, 2026·Houston, TX·500–1k attendees·$$$ ticket

   Our take

   Based on 500–1k annual attendees, MCAA Field Leaders Conference ranks solidly as a high-value conference within the HVAC sector. Entry at $$$ reflects a deliberate barrier that filters for committed buyers, which is why Orbital rates it at Gold drawing on multi-cycle exhibitor feedback and verified attendee role data. Operators building pipeline in the HVAC category, this event deserves a line item in your event budget.

8. 8
   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.

   REHVA Annual Meeting

   Apr 20–21, 2026·Nice, FR·500–1k attendees

   Our take

   With 500–1k industry professionals on the floor, REHVA Annual Meeting sits firmly as a strong-performing show across the HVAC space. Exhibitors focused on the HVAC vertical, this event deserves a line item in your event budget.

Quick reference

All 8 conferences at a glance