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Top 10 HVAC Conferences in March 2026

March 2026 is one of the busier months on the HVAC conference calendar, with seven events spread across the U.S. and internationally.

By the numbers

  • Total HVAC conferences: 10
  • Largest city by count: New Orleans (1)
  • Tier mix: 0 Tier A / 2 Tier B / 4 Tier C / 4 Tier D
  • Price mix: 5 $ / 2 $$ / 2 $$$
  • Date range: Mar 04, 2026 to Mar 20, 2026

Breakdowns

Looking deeper, the tables below slice the list two ways.

States by HVAC conference count in March 2026

StateConferences
Louisiana1
Indiana1
Nevada1
Texas1
Arizona1
Florida1
California1
Illinois1

HVAC conferences in March 2026 by tier

TierConferences
Tier B2
Tier C4
Tier D4

Takeaways

Within the 10 HVAC conferences scheduled in March 2026, 0 rank as Tier A. New Orleans hosts the most events in this cut, with 1 on the calendar. March is the busiest month, with 10 conferences scheduled. Ticket pricing splits 5 at the $ tier and 2 at the $$$ tier, so entry costs vary widely across the set. Grainger Show tops the Tier-ranked list, held in Orlando. The most common stated purpose is Training / Certification, covering 6 of the 10 events in this cut. Event length averages 2.8 days across the set, with the longest running 5 days.

Ranked list

10 conferences
  1. 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.

    Jobber Summit

    Mar 4–4, 2026VirtualVirtual attendees$ ticket

    Our take

    Based on Virtual annual attendees, Jobber Summit ranks solidly as a reliable conference within the HVAC sector. Entry at $ implies a vetted crowd of decision-makers, which is why Orbital rates it at Silver 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.

  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.

    Lennox LIVE

    Mar 10–12, 2026New Orleans, LA1k–2k attendees$ ticket

    Our take

    Given its 1k–2k expected attendees, Lennox LIVE has cemented its place as a niche event in the HVAC industry. Attendance pricing of $ implies a vetted crowd of decision-makers, and the Orbital team rates it in the specialist tier based on a combination of attendee quality, exhibitor ROI data, and industry relevance. Sales teams working the HVAC space, this conference deserves a line item in your event budget.

  3. 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.

    ACREX India

    Mar 12–14, 2026Mumbai, IN10k+ attendees$ ticket

    Our take

    With 10k+ industry professionals on the floor, ACREX India sits firmly as an accessible show across the HVAC space. Ticket pricing at $ points to a buyer-rich attendee base, and our team places it among Bronze 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.

  4. 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.

    ACCA Conference & Expo

    Mar 15–18, 2026Las Vegas, NV500–1k attendees$$ ticket

    Our take

    Considering 500–1k registered participants, ACCA Conference & Expo 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 using a framework weighted toward decision-maker access and verified exhibitor ROI. For teams targeting the HVAC space, this gathering merits inclusion in your annual conference calendar.

  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.

    IIAR Natural Refrigeration Conference & Heavy Equipment Expo

    Mar 15–18, 2026San Antonio, TX1k–2k attendees

    Our take

    Considering 1k–2k registered participants, IIAR Natural Refrigeration Conference & Heavy Equipment Expo stands as a Gold-rated gathering for the HVAC vertical. Sales teams working the HVAC vertical, this gathering should be on your shortlist.

  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.

    MCAA Annual Convention

    Mar 15–19, 2026Phoenix, AZ2k–5k attendees$$ ticket

    Our take

    Based on 2k–5k annual attendees, MCAA Annual Convention ranks solidly as a reliable conference within the HVAC sector. Entry at $$ points to a buyer-rich attendee base, which is why Orbital rates it at Silver 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.

  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.

    Grainger Show

    Mar 15–17, 2026Orlando, FL10k+ attendees$$$ ticket

    Our take

    Given its 10k+ expected attendees, Grainger Show 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 informed by verified attendance composition, post-show exhibitor outcomes, and editorial assessment. For teams targeting the HVAC vertical, 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.

    HVAC Innovation Conference

    Mar 16–17, 2026Sydney, AU500–1k attendees$$$ ticket

    Our take

    With 500–1k industry professionals on the floor, HVAC Innovation Conference sits firmly as a solid mid-tier show across the HVAC space. Ticket pricing at $$$ points to a buyer-rich attendee base, and our team places it among Silver events using a framework weighted toward decision-maker access and verified exhibitor ROI. Operators building pipeline in the HVAC space, this conference is worth a serious look.

  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.

    Facilities Expo

    Mar 18–19, 2026Lodi, CA500–1k attendees$ ticket

    Our take

    Based on 500–1k annual attendees, Facilities Expo ranks solidly as an entry-level conference within the HVAC sector. Entry at $ points to a buyer-rich attendee base, which is why Orbital rates it at Bronze 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.

  10. 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.

    Illinois PHCC Expo

    Mar 20–20, 2026Oakbrook Terrace, IL500–1k attendees$ ticket

    Our take

    Given its 500–1k expected attendees, Illinois PHCC Expo has cemented its place as a dependable event in the HVAC industry. Attendance pricing of $ implies a vetted crowd of decision-makers, and the Orbital team rates it in the mid tier informed by verified attendance composition, post-show exhibitor outcomes, and editorial assessment. For teams targeting the HVAC vertical, this show is worth a serious look.

Quick reference

All 10 conferences at a glance

ConferenceTier
Jobber SummitSilverOrbital’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.
Lennox LIVEBronzeOrbital’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.
ACREX IndiaBronzeOrbital’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.
ACCA Conference & ExpoBronzeOrbital’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.
IIAR Natural Refrigeration Conference & Heavy Equipment ExpoGoldOrbital’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 Annual ConventionSilverOrbital’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.
Grainger ShowGoldOrbital’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.
HVAC Innovation ConferenceSilverOrbital’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.
Facilities ExpoBronzeOrbital’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.
Illinois PHCC ExpoSilverOrbital’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 2026?

This guide covers 10 HVAC conferences for 2026. Scroll up to see dates, locations, and details for each event.

When is the biggest HVAC event?

Jobber Summit is one of the largest events on this list with approximately Virtual attendees. It takes place Mar 4–4, 2026. Location: Virtual.

What's the cheapest HVAC conference to attend?

Illinois PHCC Expo has the lowest ticket price on this list ($). It's held in Oakbrook Terrace, IL. Expected attendance: approximately 500–1k.

Further reading

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