The HVAC Blog

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Advances in HVAC-R practice are driving HVAC education forward, toward an understanding of greener systems and components, and connected and embedded technologies such as Nest thermostats that control advanced heating and cooling systems in ever more sophisticated ways. New HVAC certification and degree programs focus on preparing technicians to install, maintain and repair modern HVAC-R systems, often device-controlled and incorporating progressively greener technology. This blog surfaces the best modern HVAC programs across a number of dimensions, along with the professors that are pushing HVAC education forward, and the apps and technologies that are emerging as future HVAC-R standards. As licensing and certification requirements evolve to incorporate new advancements in the field, and as active HVAC educators and practitioners share their stories, the www.hvacclasses.org team will publish that information here.

Guide to the HVAC Technician Interview - Questions & Answers

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August 4, 2026
Even as the Covid-19 pandemic recedes, its effects on the heating, ventilation, and air-conditioning (HVAC) industry are likely to linger for a long time to come. Years of rolling lockdowns and remote work have altered the public perception of home, and comfort is much less a luxury and more a necessity.
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Top 10 HVAC Bachelor's Degree Programs (2026)

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July 15, 2026
Many HVAC professionals get their start with a two-year degree or a certificate. This can be an excellent way to get one foot in the door with some basic HVAC knowledge. However, a bachelor's degree can represent a major competitive advantage for those ambitious individuals who want to go further in the field and perhaps even own their own HVAC business one day.
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The History of HVAC: Facts for Students & Professionals

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April 6, 2026
Since before recorded history, people have tried to cool themselves when it's hot and built fires in one way or another to keep warm when it’s cold. This article highlights of the inventors and thinkers who brought us heating, ventilation, and air-conditioning to keep us comfortable in our homes and businesses.
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What HVAC Systems Qualify for Tax Credits?

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April 2, 2026
The ENERGY STAR Federal Tax Credit program encourages property owners and homebuilders to make energy-efficient upgrades to save money while protecting the environment.
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AI’s Impact on HVAC: What to Know

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March 29, 2026
So what does the increasing use of AI mean for HVAC technicians? It might make their jobs easier: algorithmic controls with LLM systems might be as natural to work with as a smart and congenial colleague. But at least a loose understanding of how model-based systems operate would take an HVAC technician a long way.
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Tips on Starting an HVAC Business - Interview with Industry Leader Carl Rice Jr.

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March 26, 2026
If you are considering joining the HVAC industry’s workforce or starting your own business, now may be the perfect time to do it. Perhaps you are a seasoned technician with a strong understanding of the nuts and bolts of the service side, dreaming of becoming your own boss. Or maybe you are a naturally business-minded entrepreneur looking for the right industry to invest your capital and management knowledge.
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Guide to Acing the HVAC Certification Exams

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March 25, 2026
As well as the satisfaction of becoming more competent, technicians improve their employability and increase their potential earnings as they gain additional skills. Industry associations are by far the largest source of training for HVAC technicians.
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Guide To Refrigeration Technician Training Programs

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March 24, 2026
For those interested in refrigeration, there’s an abundance of on-campus and online training programs throughout the United States. Refrigerant training is typically HVAC programs, although some people seeking specialized knowledge or exclusive employment in commercial refrigeration may want more focused training.
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5 Things HVAC/R Professionals Wish Homeowners Knew

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February 4, 2026
As a homeowner, you own your HVAC/R systems. And while you don’t need to be an HVAC/R specialist yourself, it is important to know a few basic facts about how your home is heated and cooled. What type of HVAC/R system you have, what condition it’s in, and how old it is will impact how and when you (and your HVAC/R technician) should repair, replace, or maintain it.
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2026 Trends in HVAC: Home Technology That Tracks HVAC Issues

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January 16, 2026
The newest thermostats are now just one part of smart HVAC systems. As more and more smart technology is incorporated into buildings, sensors in HVAC systems will be an integral part of detecting issues that affect energy usage.
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