Why I Sell My HVAC Books on Payhip Instead of Amazon, Apple, and Google

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As an author of more than 1000+ books covering HVAC, MEP engineering, data centers, sustainability, cleanrooms, pharmaceuticals, construction, and building services, I am always looking for the best way to provide value to my readers while keeping prices affordable.

Over the years, I have published books through major platforms, including Amazon, Apple Books, and Google Play Books. While these platforms offer excellent visibility, they also take a significant portion of the revenue from every sale, often leaving authors with a much smaller share of their hard work.

That is one of the main reasons I have chosen to make my books available through my Payhip bookstore:

HVAC Books Store

Why Payhip?

Payhip's pricing structure is straightforward and creator-friendly. On the free plan, Payhip charges only a 5% transaction fee while allowing creators to sell unlimited products with no monthly subscription cost. (Payhip)

For independent authors and technical consultants, this is a major advantage because it allows more revenue to remain with the creator rather than the platform.

The Challenge with Large Publishing Platforms

Large digital marketplaces provide access to millions of users, but that visibility often comes at a cost. Authors frequently surrender a substantial percentage of each sale through commissions, distribution fees, and platform revenue-sharing arrangements.

By selling directly through my Payhip store, I can:

  • Offer competitive pricing.

  • Release new books quickly.

  • Provide specialized technical content.

  • Maintain direct control over my publications.

  • Continue investing in new research and technical writing.

Specialized HVAC and Engineering Knowledge

My collection includes books and technical resources covering:

  • HVAC Design

  • Data Center Cooling

  • Cleanroom HVAC Systems

  • Pharmaceutical Facilities

  • Building Services Engineering

  • MEP Engineering

  • Energy Efficiency

  • Sustainability

  • Building Automation Systems (BMS)

  • Chiller Optimization

  • Water Management

  • Industrial HVAC Applications

  • Construction Management

  • Technical Guides and Handbooks

These resources are designed for engineers, facility managers, contractors, consultants, students, and building owners worldwide.

International HVAC Consulting Services

In addition to publishing, I provide international consulting services through CFN-HVAC.

Services include:

  • HVAC Design Reviews

  • Energy Audits

  • Load Calculations

  • System Optimization

  • Data Center Cooling Consulting

  • Cleanroom Consulting

  • Chiller Plant Optimization

  • Commissioning Support

  • Facility Management Support

  • Technical Due Diligence

  • Construction and Project Management

  • MEP Coordination

  • Technical Writing and Documentation

  • Remote HVAC Troubleshooting

With more than 30 years of international experience, I assist clients remotely, onsite, or through hybrid engagement models.

Learn More

Browse my complete collection of books and technical resources:

HVAC Books Store

For consulting services, technical publications, and HVAC expertise, visit:

Charles Nehme HVAC Resources

The combination of technical publishing and international consulting allows me to continue sharing practical engineering knowledge while helping organizations solve real-world HVAC and building-services challenges.


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