The highest-paying HVAC jobs are Thermal Engineers (averaging $80,000–$129,000) and HVAC Sales Representatives, whose top earners can exceed $150,000. For hands-on field positions, union-backed technicians and commercial refrigeration specialists routinely clear $90,000 to $100,000+ annually.
In the HVAC industry, the highest-earning specialties and roles fall into three specific categories: commission-based sales, niche commercial/industrial trades, and engineering.
The $5,000 rule is a guideline to help homeowners decide whether to repair or replace their HVAC system. You multiply the age of your unit by the cost of the needed repair. If that number exceeds $5,000, replacing your HVAC system is often more cost-effective.
HVAC Sales Technician
Pay $150K to $200K.
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 United States HVAC market reached an estimated USD $31.26 billion in 2024, and is projected to grow to USD $38.45 billion by 2030, representing a compound annual growth rate (CAGR) of 7.87%, according to The “United States HVAC Market, By Region, Competition, Forecast & Opportunities, 2020-2030“(1).
In short, the 20-degree rule of air conditioning states that you should always keep your AC unit at no more than 20 degrees lower than the outside temperature. It means that, if the outdoor conditions are at 95 degrees, you should set your thermostat at no less than 75 degrees.
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.
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.
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.
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.
The life expectancy of an HVAC system typically ranges from 15 to 25 years, depending on factors like usage, maintenance, and system type. Regular maintenance, such as cleaning filters, checking refrigerant levels, and ensuring proper ventilation, can extend the system's longevity.
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.
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.
Both HVAC technicians and electricians enjoy competitive salaries, but there are some differences. On average, electricians tend to earn slightly more than HVAC technicians.
Although becoming an HVAC Technician may be challenging for some, it is not too difficult if you're motivated to learn and train. If you're good with your hands and can dedicate the time to study and learn HVAC principles, you will find training to become an HVAC technician quite achievable.
By 2030, advances in artificial intelligence and automation are expected to displace millions of routine and administrative jobs. Roles highly vulnerable to digitalization include cashiers, data entry clerks, telemarketers, basic IT support staff, and entry-level research assistants.
Guide to HVAC Replacement Services. By Ryan Mayes. In simple terms, HVAC replacement involves removing and installing a new heating and air conditioning system to ensure efficient climate control and air quality in a home.
According to ACHR News, the HVAC industry is dealing with a shortage of 110,000 technicians, with around 25,000 leaving the workforce annually. As a result, contractors struggle to hire skilled workers fast enough to meet the rising demand as experienced technicians retire.
The hardest part of HVAC is its multifaceted complexity. Technicians must simultaneously master advanced electronics, intricate refrigeration principles, and airflow dynamics, while frequently working in physically grueling, unconditioned environments like cramped attics, hot roofs, and tight crawl spaces.
The need to conserve or recover refrigerant has led the industry to develop a specific terminology defined by three R's: Recovery, Recycling and Reclaiming.
While you don't need advanced math, a solid foundation in basic arithmetic, algebra, and geometry is essential for success in the HVAC field.
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.
It takes time for your home to warm up and cool down. If you're not sure how long it takes, try turning the heating on about 30 minutes before you need it. You should turn it off 30 minutes before you'll stop needing it.
Should I replace my 20-year-old HVAC system? Yes. Even if it's still running, it's likely inefficient and nearing the end of its useful life. Upgrading will save you money and improve comfort.