Booking Overview
Metrics
Episodes: 634
Frequency: Several times a week
Rating: 4.8/5.0
Estimated listeners: 1,000 - 10,000
Gender skew: Male
Listener location: USA
YouTube: 42.3k subscribers
Instagram: 104.0k followers
Contact Information
Publicly listed emails
gary@hvacknowitall.com
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Host
Gary McCreadie - Licensed HVAC and refrigeration technician who hosts an educational show focused on practical knowledge for HVAC and refrigeration professionals.
Furman Haynes - WorkHero-associated HVAC business professional who co-hosts the show's Business Edition episodes focused on HVAC company operations and growth.
Booking Intelligence
Booking Requirements
Recent Guest Discussions
Bill Spohn - EOS Implementation, Accountable Teams, Meeting Rhythms, Transparency, Core Values, Financial Visibility, And Succession Planning For HVAC Businesses.
Eric Ruggles - A2l And A3 Flammable Refrigerants, Hydrocarbon Charging Equipment, Refrigerant Safety, Ventilation, Purging, Leak Checking, And Safe Servicing Practices.
Eric Ruggles - Charging A3 Refrigerants, Hose And Scale Setup, Gas Retention Valves, Non-sparking Vacuum Pumps, Recovery-machine Safety, And Equipment Requirements For Flammable Refrigerants.
Bill Spohn - EOS, Business Planning, Accountability, Leadership Communication, Role Definition, Company Culture, Leading Indicators, And Succession Planning.
Rich Ortega - Starting And Growing An HVAC Service Business, Building Systems, Hiring And Training Technicians, Employee Management, And The Realities Of Business Ownership.
Recent Topics
Episodes
How One-Inch MERV 11 Filters Can Work With the Right HVAC Airflow Design - Part 2
October 12, 2026
In this episode of HVAC Know It All, host Gary McCreadie talks with Chris Howells, Senior Training & Development Manager at AprilAire, about designing smaller filters and cabinets while maintaining filtration performance and airflow. In Part 2 of their conversation, they discuss three-inch media, one-inch MERV 11 filters, and installation practices that affect pressure drop. HVAC technicians will learn why filter depth alone does not determine performance and how transitions help systems use ...
Why a Thicker HVAC Filter Can Have Less Pressure Drop Than a One-Inch Filter - Part 1
October 08, 2026
In this episode of HVAC Know It All, host Gary McCreadie talks with Chris Howells, Senior Training & Development Manager at AprilAire, about applying indoor air quality solutions during shoulder seasons and making filtration part of a complete HVAC approach. They cover humidity concerns, filter selection, MERV ratings, pressure drop, airflow, and ways technicians can explain system performance to homeowners. Chris draws on his work educating contractors about filtration and indoor air quality...
How an AI Phone Agent Created $200K in New Business for Plumbing Companies | Vern Crawford
October 07, 2026
In this episode of the HVAC Know It All Business Edition Podcast, co-hosts Gary McCreadie and Furman Haynes from WorkHero speak with Vern Crawford, founder of Flow Logic Automation, about practical uses of AI and automation in HVAC and plumbing businesses. They examine an after-hours AI phone agent for plumbing emergencies, the difference between deterministic automations and AI agents, and how APIs, webhooks, and MCPs connect business systems. The conversation also covers starting with simpl...
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Frequently asked questions
How do I get in touch with HVAC Know It All Podcast?
HVAC Know It All Podcast is hosted by Gary McCreadie and Furman Haynes. Its publicly listed email is gary@hvacknowitall.com. For guest bookings, the host or producer is usually the best person to reach. Podseeker helps you find direct host and producer contacts and pitch from your own inbox.
What is the email for HVAC Know It All Podcast?
The publicly listed email for HVAC Know It All Podcast: gary@hvacknowitall.com.
How many listeners does HVAC Know It All Podcast have?
Podseeker estimates HVAC Know It All Podcast reaches 1,000 to 10,000 listeners per episode. Only the publisher has exact numbers.
Who is an ideal guest for HVAC Know It All Podcast?
HVAC Know It All Podcast typically books industry leaders. Typical guest background: HVAC or refrigeration business ownership, senior operational leadership, engineering or technical expertise, or substantial experience with HVAC tools, equipment, servicing, and safety. Common among recent guests: Operating or scaling an HVAC or refrigeration company; Leading engineering, product, or technical functions for an HVAC equipment manufacturer; Building expertise in refrigerant handling, service equipment, or technician safety. Recent guests include Bill Spohn, Eric Ruggles, and Eric Ruggles.
How hard is it to get booked on HVAC Know It All Podcast?
Low. A guest with relevant expertise and a clear angle for its audience has a realistic chance.
What topics does HVAC Know It All Podcast cover?
Recent episodes cover Technology, Hvac, Refrigeration, Refrigerant Safety, and Hvac Business. Pitch an idea tied to one of these topics and mention a recent episode.
Publicly listed emails
gary@hvacknowitall.com
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