Yes, HVAC can absolutely make you a millionaire. While most technicians earn comfortable six-figure incomes or top out around $ 100 , 000 with overtime and certifications, the true millionaires in the industry are entrepreneurs.
Just remember, success in this field isn't about being the best technician - it's about being the best business owner. With the right approach, the right support, and a lot of hard work, you could be part of the next generation of HVAC millionaires.
Many business owners in the Home Services Industry (primarily the HVAC, plumbing, and electrical sectors) are riding a wave of industry consolidation into retirement, becoming millionaires along the way.
The Rule of 5000 Rule is simple: Multiply the cost of the needed repair by the age of your air conditioner. If the result is greater than 5000, AC replacement is generally the smarter choice. If it's less than 5000, a repair might still be worth the investment.
High Paying HVAC Jobs
Jobs that can pay $400K a year without a degree include commercial real estate brokers, successful YouTubers or influencers, self-employed software developers, high-stakes sales roles like enterprise tech sales, and business owners. These roles rely on skill, market demand, and performance rather than formal education.
HVAC does require math, but it is rarely complex or overwhelming. Most technicians use basic arithmetic, fractions, decimals, and elementary algebra to calculate measurements, electrical resistance, and equipment capacity.
HVAC Sales Technician
Pay $150K to $200K.
The "two-foot rule" in HVAC is a duct design and installation guideline that requires a minimum of 24 inches of straight, uninterrupted space between branch take-offs (where air taps off the main trunk). It is also applied to spacing branches away from end caps, transitions, and the main plenum.
While the cost of installing a new HVAC system typically isn't directly deductible, ongoing maintenance or repairs may be in some cases. Regular maintenance or repairs could be deductible if the HVAC system is used for business purposes, such as in a home office or rental property.
A famous quote by Andrew Carnegie suggests that real estate ownership creates 90% of millionaires. While wealth managers debate the exact percentage, most modern research—such as studies by Ramsey Solutions and GOBankingRates—agrees that real estate and disciplined long-term investing are the primary drivers.
What's AI Got to Do With HVAC? AI (Artificial Intelligence) doesn't affect HVAC in the way most might expect it to. AI isn't replacing traditional hands-on workmanship, its use is more about using algorithms and smart tech to improve the way heating and cooling systems operate.
However, HVAC work requires a lot of critical thinking and problem-solving, as well as knowledge of how air, gas, heat, and electricity all play a part in the system's function. Today, many systems depend on computers, so being tech-savvy is also a must.
According to the U.S. Bureau of Labor Statistics (BLS), plumbers have a slight edge. The median annual wage for plumbers was $62,970 in May 2024. The median annual wage for HVAC technicians was $59,810 in May 2024.
The largest HVAC companies based on market share and revenue include:
Working in HVAC is a highly rewarding trade, but it comes with significant physical and lifestyle challenges. The most common drawbacks include extreme working environments, demanding physical toll, long or irregular hours during peak seasons, and constant safety hazards.
If you rent out homes: 27.5 years. If you own a business building: 39 years. If you have window AC units or portable heaters: 7 years. Some HVAC parts can be written off faster: between 5 and 15 years.
Basically, the de minimis safe harbor allows businesses to deduct in one year the cost of certain long-term property items. IRS regulations set a maximum dollar amount—$2,500, in most cases—that may be expensed as “de minimis,” which is Latin for “minor” or “inconsequential.” (IRS Reg. §1.263(a)-1(f) (2025).)
So what is the $5,000 rule? Simply multiply the age of your AC unit by the repair cost, and if that exceeds $5,000, then replace the unit. If less, go ahead and repair it. For example, if your unit is 10 years old and the repair will cost $350, multiply 10 x 350 to equal $3,500.
Which HVAC Brands Last the Longest?
Simply put, it means you should never set your thermostat for a temperature more than 20 degrees cooler than the outside air. Why not? Most air conditioning systems can only handle a 20-degree difference between the outside and inside air temperatures.
Ductless HVAC Zones for Open Floor Plans
Depending on the size of your open area, you may want one to three HVAC units. Small open-plan kitchens and living rooms can easily be served by a single indoor air handling unit. But generally, with larger areas, you want one indoor air handling unit for each living space.
The trades skills typically demand a bachelor's degree or higher to bag a job in the skilled trades career. On average, many construction managers, electricians, and welders earn more than $100,000 per year.
Yes, HVAC does require a certain amount of math. HVAC professionals need to use mathematical concepts for various tasks such as calculating heating and cooling loads, determining the size of HVAC equipment, measuring airflow, and understanding the principles of thermodynamics and fluid mechanics.