In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by Jason Walker, National Trainer at HVAC Masters of the Hustle. Jason shares his approach to sales in the HVAC industry, focusing on building trust, using data to present solutions, and creating strong relationships with customers. The conversation covers the importance of culture within a company, supporting technicians in the field, and delivering white-glove service to stand out in a competitive market. Gary and Jason also discuss the challenges of running a one-man business, knowing when to grow, and how mindset plays a key role in long-term success.

In this conversation, Jason talks about building trust in HVAC sales by using clear data and strong relationships instead of being pushy. He explains why technicians should present findings step by step to avoid overwhelming customers and how open-ended questions lead to better results. Jason and Gary discuss the challenges of running a one-man business and knowing when growth makes sense. They also share insights on creating a strong company culture, taking care of employees, and delivering a high level of service that stands out in the residential market.

Expect to Learn:

• Why building trust with customers makes sales easier and removes the need to be pushy.

• How presenting data step by step can improve buy-in and reduce overwhelm.

• What challenges come with running a one-man HVAC business and choosing when to grow?

• How strong company culture can improve employee morale and customer experience.

• Why delivering high-level service and focusing on relationships can help a company stand out in the residential market.

Episode Highlights:

[00:00] - Intro to Jason Walker in Part 1

[01:59] - Podcast of the Year

[02:59] - Data-Driven Sales

[05:46] - Involving Clients in Troubleshooting

[07:45] - Talking Yourself Out of a Sale

[10:31] - Gary's One-Man Show Setup

[13:16] - Jason's Career Leap

[17:33] - Creating a Safe Work Culture

[19:46] - The "Scrap Copper Lunch" Story

[22:59] - White Glove Service Details

This Episode is Kindly Sponsored by:

Cintas: https://www.cintas.com/

Cool Air Products: https://www.coolairproducts.net/

SupplyHouse: https://www.supplyhouse.com/tm Use promo code HKIA5 to get 5% off your first order at Supplyhouse!

Follow the Guest Jason Walker on:

LinkedIn: https://www.linkedin.com/in/jason-walker-626409201/

Website:

HVAC Masters of the Hustle: https://hvacmastersofthehustle.com/

Follow the Host:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/

Instagram: https://www.instagram.com/hvacknowitall1/

In this episode of the HVAC Know It All Business Edition Podcast, co-hosts Gary McCreadie and Furman Haynes of WorkHero talk with Robyn Hass, Founder and Fractional CFO of Mainstreet MEP™ by HVAC Office Solutions and Trade Finance in Ten Podcast, and Fractional MEP CFO/CHRO, FP&A and Change Management Consultant of Robyn Hass Consulting. Robyn shares her journey of building Core Mechanical, a company that successfully scaled and was eventually sold to private equity. She discusses the importance of focus in business, financial systems, and the strategies behind scaling operations, particularly for those starting small in the HVAC industry.

She offers invaluable insights on niche selection, managing overhead, and the systems and tools that were crucial for her company's success. Robyn also talks about how to support solo business owners and the challenges they face in managing their businesses effectively.

Expect to Learn:

- Why focus is key when scaling your business and how choosing a niche helped Robyn's company grow.

- The importance of financial systems and why investing in software like QuickBooks and field management tools early on can save you headaches later.

- How to manage cash flow effectively and the overhead challenges that come with scaling.

- Why it's crucial to train your technicians properly and capture all job data from day one.

- Robyn's advice for solo entrepreneurs, why you don't always have to grow to be successful and how to partner with others.

- The best ways to ensure financial health and how understanding your net margin is more important than EBITDA.

- Robyn's new offerings for business owners, including resources, boot camps, and reporting tools to help scale more efficiently.

Timestamps:

[00:00] - Introduction

[02:05] - Starting Core Mechanical

[04:04] - Importance of Focus in the Early Stages

[05:20] - The Risk of Spreading Thin

[07:29] - Challenges for Small Business Owners Doing Everything

[08:29] - Setting Up Systems in the Early Days

[10:08] - The Need for Proper Accounting and Software

[12:50] - When to Hire and the Cash Flow Challenge

[13:18] - Managing Cash Flow

[14:23] - The Owner's Role in Scaling

[15:51] - True Profit Margins and EBITDA

[17:23] - The Difference Between EBITDA and Net Profit

[19:24] - Setting Owner Salaries and Business Growth

[21:20] - Thoughts on Cash Payments

Follow Robyn Hass:

LinkedIn: https://www.linkedin.com/in/jrobynh/

Company LinkedIn: https://www.linkedin.com/company/mainstreet-mep

Company Website: https://myhvacoffice.com/

Follow Gary McCreadie:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/

Follow Furman Haynes on:

LinkedIn: https://www.linkedin.com/in/Furmanhaynes/

WorkHero: https://www.linkedin.com/company/workherohvac/

Instagram: https://www.instagram.com/hvacknowitall1/

In this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with John Anderson, Senior Regional HVAC Technical Trainer at Sila Services and former Service Manager and Technician at Burns & McBride Home Comfort. They discuss the shift away from using manifold gauge sets in favor of digital probes and low loss fittings. John explains how modern tools can reduce system contamination, improve accuracy, and speed up processes like charging and evacuation. The conversation also explores the benefits of apps like MeasureQuick for diagnostics and training. Gary and John highlight how smart tools and good habits lead to better HVAC service and fewer callbacks.

Gary and John talk about working without manifold gauge sets and how using digital probes can make HVAC work faster, safer, and more accurate. John shares how most residential jobs can be done without a manifold and explains why probes, low loss fittings, and proper charging tools are more efficient. They discuss best practices for recovery, evacuation, and charging while avoiding leaks and damage. John also explains how apps like MeasureQuick help techs understand system issues faster and more clearly. They wrap up by stressing the value of training, good habits, and using the right tools to reduce callbacks and improve system performance.

Expect to Learn:

• Why digital probes can replace manifold gauge sets for most HVAC jobs.

• How to charge systems using tees, ball valves, and liquid charging adapters.

• The risks of overtightening service valves and how to avoid damage.

• Why MeasureQuick helps techs find system issues faster and more clearly.

• How smart tools and better habits reduce callbacks and boost performance.

Episode Highlights:

[00:00] - Intro to John Anderson in Part 02

[01:16] - Topic intro: Not always gauging up

[03:44] - Probes vs. manifolds debate

[05:09] - Digital manifolds & modern tool preferences

[08:27] - Future of HVAC tools: probes with low-loss fittings

[10:42] - Real example: Bluetooth probes catching tech error

[13:48] - Using Measure Quick for deeper diagnostics

[18:54] - Time efficiency & preventing callbacks

[21:35] - Wrap-up & plans for future talk

This Episode is Kindly Sponsored by:

Cintas: https://www.cintas.com/

Cool Air Products: https://www.coolairproducts.net/

SupplyHouse: https://www.supplyhouse.com/tm Use promo code HKIA5 to get 5% off your first order at Supplyhouse!

Follow the Guest John Anderson on:

LinkedIn: https://www.linkedin.com/in/john-anderson-188093251/

Sila Services: https://www.linkedin.com/company/silaservices/

Burns & McBride Home Comfort: https://www.linkedin.com/company/burns-&-mcbride-home-comfort/

Website:

Sila Services: https://www.silaservices.com

Follow the Host:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/

Instagram: https://www.instagram.com/hvacknowitall1/

In this episode of the HVAC Know It All Business Edition Podcast, co-hosts Gary McCreadie and Furman Haynes of WorkHero discuss the essential but often overlooked side of running an HVAC business's financials with April Sackfield, Director of Operations at NumberConstruct and Fiscal Management Group, who brings a wealth of knowledge on business finance and systems tailored for service-based companies. The focus is on empowering technicians and small business owners with the tools and understanding they need to successfully transition from the field into entrepreneurship. April supports HVAC business owners in optimizing their operations for profitability and growth. Her practical advice is drawn from real-world experiences and deep industry insight.

- How aspiring HVAC business owners can prepare financially before launching their company.

- The pros and cons of "rage quitting" versus planned business exits.

- The importance of field service management (FSM) software and how it supports accurate job costing.

- Common mistakes with accounting software like QuickBooks and how to avoid them.

- Strategies for setting up flat rate pricing systems that reflect actual job complexity and labor costs.

[00:00:00] – Introduction

[00:00:55] – Preparing to Start an HVAC Business

[00:02:58] – "Rage Quitting" vs. Strategic Business Exit

[00:06:51] – Tools and Software for Job Costing

[00:10:01] – Flat Rate Pricing vs. Time and Materials

[00:15:14] – Managing Job Data and Technician Tracking

[00:18:30] – Common FSM and Accounting Software Pitfalls

[00:21:04] – Personnel & Bookkeeping Best Practices

[00:23:38] – The Role of Automation & AI in Accounting

Follow Gary McCreadie:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/

Follow April Sackfield on:

LinkedIn: https://www.linkedin.com/in/aprilsackfield/

Instagram: https://www.instagram.com/april.sackfield/?hl=en

Follow NumberConstruct on:

Facebook: https://www.facebook.com/people/NumberConstruct/61560939563809/#

Website: https://numbercon.com/

LinkedIn: https://www.linkedin.com/company/numbercon

Instagram: https://www.instagram.com/number.con/?hl=en

Follow Fiscal Management Group on:

Website: https://www.fiscalaccounting.ca/

LinkedIn: https://www.linkedin.com/company/fiscalmanagementgroup/

Instagram: https://www.instagram.com/fiscalmanagement/

Follow Furman Haynes on:

LinkedIn: https://www.linkedin.com/in/furmanhaynes/

WorkHero: https://www.linkedin.com/company/workherohvac/

Instagram: https://www.instagram.com/hvacknowitall1/

In this episode of the HVAC Know It All Podcast, host Gary McCreadie is joined by John Anderson, Senior Regional HVAC Technical Trainer at Sila Services, Formerly Service Manager and Technician at Burns & McBride Home Comfort. John shares his insights on using analog and digital manifold gauges, discussing their pros, cons, and practical use in the field. The conversation covers the shift from analog to digital tools, the value of maintaining equipment instead of replacing it, and the importance of proper airflow diagnosis before adding refrigerant. Gary and John also talk about technician habits, training methods, and how using long hoses can lead to refrigerant loss over time.

In this conversation, John talks about the use of analog and digital manifold gauges in HVAC work. He explains how analog tools helped early in his career and why digital tools now offer faster and more accurate results. John and Gary discuss why learning airflow checks should come before using gauges and how poor airflow can lead to system freeze-ups. They share real job stories showing how small issues like dirty filters or low fan speed can cause big problems. The talk also covers how long hoses can slowly remove refrigerant and why technicians should focus more on maintenance than replacements.

Expect to Learn:

• Why learning airflow diagnosis is more important than checking refrigerant first on service calls.

• How analog and digital gauges compare in accuracy, speed, and ease of use.

• What risks come from using long manifold hoses during regular maintenance?

• How regular gasket and hose repairs can extend the life of your manifold gauges.

• When digital tools can speed up technician training and reduce callback issues.

Episode Highlights:

[00:00] - Intro to John Anderson in Part 1

[01:40] - Problems & Maintenance of Old Analogue Gauges

[05:45] - Should New Techs Learn on Analogue First?

[07:52] - The Weak "Battery Argument" for Analogue

[10:07] - Story: Unnecessary Gauging During Maintenance

[13:32] - Airflow Issues vs. Refrigerant Charge

[14:51] - Case Study: Frozen Coil & Compressor Failure

[18:58] - How Long Hoses Create "Phantom" Leaks

This Episode is Kindly Sponsored by:

Cintas: https://www.cintas.com/

Cool Air Products: https://www.coolairproducts.net/

SupplyHouse: https://www.supplyhouse.com/tm Use promo code HKIA5 to get 5% off your first order at Supplyhouse!

Follow the Guest John Anderson on:

LinkedIn: https://www.linkedin.com/in/john-anderson-188093251/

Sila Services: https://www.linkedin.com/company/silaservices/

Burns & McBride Home Comfort: https://www.linkedin.com/company/burns-&-mcbride-home-comfort/

Website:

Sila Services: www.silaservices.com

Follow the Host:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/

Instagram: https://www.instagram.com/hvacknowitall1/

In this episode of the HVAC Know It All Business Edition Podcast, co-hosts Gary McCreadie and Furman Haynes of WorkHero discuss one of the most essential components of running an HVAC business: the financials.April Sackfield, Director of Operations at NumberConstruct and Fiscal Management Group, dig into the fundamentals of accounting, job costing, margins, and profitability. This episode is especially valuable for small business owners, new HVAC entrepreneurs, and technicians considering going independent. With a background in marketing, tax, and audit, April brings a rare blend of strategic insight and real-world financial know-how, especially when it comes to helping mom-and-pop operations become sustainably profitable.

Expect to Learn

- Why over 50% of home service businesses aren't profitable, and how to avoid that trap

- The difference between gross and net profit, and why both matter

- How to properly price a service using margin-based formulas

- What job costing really is and how to start tracking it effectively

- Common money leaks in install jobs and how to spot them before they hurt your bottom line

Episode Breakdown with Timestamps:

[00:00:00] - Intro & Welcome

[00:00:41] - From Marketing to Accounting

[00:01:59] - The Profitability Problem

[00:03:45] - Gross vs. Net Profit Explained

[00:05:34] - Pricing Example: The $20 Capacitor

[00:11:25] - The Hidden Costs Behind Every Job

[00:13:34] - What is Job Costing?

[00:18:07] - Diagnosing Profitability Issues in Install Jobs

Follow Gary McCreadie:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/

Follow April Sackfield on:

LinkedIn: https://www.linkedin.com/in/aprilsackfield/

Instagram: https://www.instagram.com/april.sackfield/?hl=en

Follow NumberConstruct on:

Facebook: https://www.facebook.com/people/NumberConstruct/61560939563809/#

Website: https://numbercon.com/

In part 2 of this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his discussion with John Davidson, Regional Trainer at Fujitsu General America, Inc. They discuss inverter-driven heat pump systems, emphasizing the benefits of maintaining consistent temperatures and proper system sizing. John shares best practices for installation, including flaring techniques, pressure testing, and vacuum procedures. The conversation also covers the importance of voltage monitoring, surge protection, and using the right tools like torque wrenches and micron gauges. Together, they highlight how attention to detail helps improve system performance and reliability.

Gary and John talk about how inverter-driven heat pumps help keep homes comfortable and save energy. John explains why steady heating is better than deep setbacks and how proper sizing avoids overworking the system. They cover key installation tips like using nitrogen when brazing, getting flare connections right, and pressure testing to avoid leaks. John shares why torque wrenches and micron gauges matter and how small steps can prevent system damage. They finish by stressing the need for surge protection, voltage checks, and clear communication with homeowners about system use and comfort goals.

Expect to Learn:

• Why inverter heat pumps are better for steady comfort and energy savings.

• How to flare and torque refrigerant lines the right way to avoid leaks.

• The best practices for pressure testing and pulling a deep vacuum.

• Why surge protection and voltage monitoring help protect HVAC systems.

• How talking with homeowners about use and comfort leads to better installs.

Episode Highlights:

[00:00] - Intro to John Davidson in Part 02

[01:33] - Inverter systems & temperature control

[03:21] - Maintaining temp vs. deep setbacks

[05:13] - Gary discusses flare seat lubrication

[07:17] - Flare lubrication debate

[10:30] - Pressure testing procedures

[13:52] - Vacuum & moisture concerns

[15:40] - Power quality & protection

[19:40] - System application & dehumidification discussion

[22:44] - Gary wraps up the conversation

This Episode is Kindly Sponsored by:

Master: https://www.master.ca/

Cintas: https://www.cintas.com/

Cool Air Products: https://www.coolairproducts.net/

property.com: https://mccreadie.property.com

SupplyHouse: https://www.supplyhouse.com/tm Use promo code HKIA5 to get 5% off your first order at Supplyhouse!

Follow the Guest John Davidson on:

LinkedIn: https://www.linkedin.com/in/johndavisonvrf/

Fujitsu General America, Inc: https://www.linkedin.com/company/general-inc-us/

Website:

Fujitsu General America, Inc: https://www.fujitsugeneral.com/

Follow the Host:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/

Instagram: https://www.instagram.com/hvacknowitall1/

In this episode of the HVAC Know It All Podcast, host Gary McCreadie talks with John Davidson, Regional Trainer at Fujitsu General America, Inc. John explains how heat pumps work in cold climates by using refrigerant technology to move heat from outside to inside. He discusses the role of coil temperature, pressure, and energy transfer in the heating process. The episode also covers inverter technology, the importance of base pan heaters, and how matched air handlers improve system efficiency. John shares tips for choosing between dual-fuel and all-electric setups based on cost, climate, and home design.

In this conversation, John explains how heat pumps use refrigerant and pressure changes to move heat in cold weather. He gives clear examples to help listeners understand how coils absorb energy even in freezing temperatures. John also talks about the role of inverter compressors in matching indoor heating needs and how newer models improve low-temperature performance. He highlights the importance of base pan heaters and proper drainage to prevent damage during defrost. The discussion ends with a look at dual fuel versus all-electric setups and how system design affects comfort and efficiency.

Expect to Learn:

• How heat pumps move heat from cold outdoor air using refrigerant and coil temperature.

• Why pressure and temperature changes are key to efficient heat transfer in HVAC systems.

• What inverter technology does to match heating needs and improve comfort.

• How base pan heaters prevent ice damage and support proper defrost operation.

• When to choose dual fuel or all-electric setups based on cost, climate, and home needs.

Episode Highlights:

[00:00] - Intro to John Davidson in Part 1

[02:15] - Heat pumps thrive in cold

[03:58] - Visual: How heat really moves

[07:09] - Real-world analogy for temperature difference

[09:20] - Inverter technology explained

[10:53] - XLT/XLT+ capacity in extreme cold

[13:40] - How cold-climate heat pumps gain capacity

[14:35] - Critical role of the base pan heater

[17:28] - Dual fuel vs. all-electric system choice

[22:33] - Systems that monitor efficiency

This Episode is Kindly Sponsored by:

Master: https://www.master.ca/

Cintas: https://www.cintas.com/

Cool Air Products: https://www.coolairproducts.net/

property.com: https://mccreadie.property.com

SupplyHouse: https://www.supplyhouse.com/tm Use promo code HKIA5 to get 5% off your first order at Supplyhouse!

Follow the Guest John Davidson on:

LinkedIn: https://www.linkedin.com/in/johndavisonvrf/

Fujitsu General America, Inc: https://www.linkedin.com/company/general-inc-us/

Website:

Fujitsu General America, Inc: https://www.fujitsugeneral.com/

Follow the Host:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/

Instagram: https://www.instagram.com/hvacknowitall1/

In this episode of the HVAC Know It All Business Edition Podcast, co-hosts Gary McCreadie and Furman Haynes of WorkHero discuss the business side of HVAC with veteran technician and entrepreneur Greg Crumpton, the Vice President of Service Logic. Greg is an expert in mission-critical environments like data centers and hospitals. Greg shares his vast knowledge of the HVAC business, covering everything from financials and profit margins to building a solid team and breaking into specialized markets like liquid cooling.

Expect to Learn:

- How to calculate and interpret key financial metrics like EBITDA and Net Profit for HVAC businesses.

- The importance of team culture and how to build a solid team in an HVAC business.

- Key strategies for moving from working "in" the business to working "on" the business as an owner.

- How to break into mission-critical work, including data centers and liquid cooling systems.

- Tips for retaining top employees and building a culture of excellence within your company.

[00:00:00] - Introduction to the Episode

[00:01:05] - Understanding EBITDA and Profit Margins in HVAC

[00:03:51] - Transition from Technician to Business Owner

[00:06:52] - Building a Strong Company Culture and Team

[00:13:19] - Breaking into Mission-Critical HVAC Work

[00:16:32] - Opportunities in Liquid Cooling and Direct Refrigerant to the Chip

[00:20:57] - Closing Remarks and Contact Information

Follow Greg Crumpton on:

LinkedIn: https://www.linkedin.com/in/crumptonskilledtrades/

Instagram: https://www.instagram.com/gregcrumpton/?hl=en

Facebook: https://www.facebook.com/gregcrumpton.airtight/

Company's Website: https://www.servicelogic.com/

Company's LinkedIn: https://www.linkedin.com/company/service-logic

Follow Furman Haynes on:

LinkedIn: https://www.linkedin.com/in/furmanhaynes/

WorkHero: https://www.linkedin.com/company/workherohvac/

Follow Gary McCreadie:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/

Instagram: https://www.instagram.com/hvacknowitall1/

In part 2 of this episode of the HVAC Know It All Podcast, host Gary McCreadie continues his conversation with Chris Howells, Senior Training and Development Manager at AprilAire. They discuss briefly about humidification, comparing steam and evaporative humidifiers, and explaining how to properly size and install them. Chris shares tips on using absorption distance to avoid condensation and highlights the role of dew point in home comfort. The episode also covers the health, comfort, and structural benefits of balanced humidity and encourages HVAC professionals to learn more about building science to better serve their customers.

Gary and Chris talk about how the right humidifier setup improves comfort and protects homes. Chris explains how to choose between steam and evaporative systems based on home size, air volume, and building tightness. They go over why absorption distance matters and how to avoid moisture problems in ductwork. Chris shares tips on using dew point to guide humidity levels and highlights the health and energy benefits of proper control. They wrap up with advice for techs to focus on education, not just sales, and to build trust by offering real solutions for better indoor air.

Expect to Learn:

• How to choose between steam and evaporative humidifiers based on home size and airflow.

• Why absorption distance is key to avoiding condensation in ductwork.

• The role of dew point in comfort and how it compares to relative humidity.

• How humidity affects health, energy use, and the life of building materials.

• Why building science knowledge helps HVAC pros solve hidden comfort issues.

Episode Highlights:

[00:00] - Intro to Chris Howells in Part 02

[01:21] - Water Quality & Humidifier Conductivity

[04:58] - Dispersion Tube Placement Guidelines

[06:55] - Effects of Low Humidity

[09:41] - Dew Point vs. Relative Humidity

[11:33] - Building Science in HVAC

[14:03] - AprilAire Overview

[16:45] - Ethical IAQ Solutions for Contractors

This Episode is Kindly Sponsored by:

Master: https://www.master.ca/

Cintas: https://www.cintas.com/

Cool Air Products: https://www.coolairproducts.net/

property.com: https://mccreadie.property.com

SupplyHouse: https://www.supplyhouse.com/tm Use promo code HKIA5 to get 5% off your first order at Supplyhouse!

Follow the Guest Chris Howells on:

LinkedIn: https://www.linkedin.com/in/chris-howells-5aa32b64

AprilAire : https://www.linkedin.com/company/aprilaire/

AprilAire (website): https://www.aprilaire.com/

Follow the Host:

LinkedIn: https://www.linkedin.com/in/gary-mccreadie-38217a77/

Website: https://www.hvacknowitall.com

Facebook: https://www.facebook.com/people/HVAC-Know-It-All-2/61569643061429/

Instagram: https://www.instagram.com/hvacknowitall1/