Updated May 2026 · BLS OEWS 2024
HVAC Technician vs Diesel Mechanic
HVAC Technicians earn a national median of $62,556 versus $64,435 for Diesel Mechanics, a gap of $1,879 per 2024 BLS Occupational Employment and Wage Statistics. HVAC Technicians have posted +6% 5-year wage growth versus +5% for Diesel Mechanics.
How These Trades Stack Up
HVAC Technician and Diesel Mechanic pay roughly the same on national median — $62,556 versus $64,435, a gap of less than $1,879. For most workers, the choice between the two trades will hinge on apprenticeship length, work environment, and personal interest rather than pay.
Both trades have posted comparable 5-year wage growth — HVAC Technicians at +6% versus Diesel Mechanics at +5%. That suggests both occupations sit in similar parts of the demand cycle, with neither pulling ahead structurally.
Diesel Mechanics typically complete a 3-year apprenticeship while HVAC Technicians require 4 years. The longer pathway usually translates into higher journeyman pay and stronger licensure protection, but it also delays full earnings; the shorter pathway delivers faster income at typically lower medians.
HVAC Technician
HVAC · 4yr apprenticeship
Diesel Mechanic
Automotive · 3yr apprenticeship
City-by-City Comparison
| City | HVAC Technician | Diesel Mechanic | Difference |
|---|---|---|---|
| Boston, MA | $77,600 | $72,290 | +$5,310 |
| San Francisco, CA | $76,760 | $80,820 | -$4,060 |
| Minneapolis, MN | $76,090 | $68,750 | +$7,340 |
| Seattle, WA | $75,500 | $80,850 | -$5,350 |
| Chicago, IL | $74,400 | $65,240 | +$9,160 |
| New York, NY | $74,090 | $73,920 | +$170 |
| Denver, CO | $64,990 | $71,080 | -$6,090 |
| Los Angeles, CA | $64,820 | $74,490 | -$9,670 |
| Portland, OR | $64,290 | $67,430 | -$3,140 |
| Milwaukee, WI | $63,490 | $60,740 | +$2,750 |
| Philadelphia, PA | $62,830 | $63,080 | -$250 |
| Indianapolis, IN | $62,030 | $62,700 | -$670 |
| Columbus, OH | $61,990 | $62,320 | -$330 |
| St. Louis, MO | $61,880 | $62,110 | -$230 |
| Detroit, MI | $61,140 | $60,550 | +$590 |
| Kansas City, MO | $61,080 | $62,680 | -$1,600 |
| Nashville, TN | $59,840 | $60,840 | -$1,000 |
| Pittsburgh, PA | $59,530 | $58,680 | +$850 |
| Phoenix, AZ | $58,820 | $60,090 | -$1,270 |
| Las Vegas, NV | $58,790 | $63,090 | -$4,300 |
| Charlotte, NC | $57,950 | $58,380 | -$430 |
| Houston, TX | $57,910 | $60,180 | -$2,270 |
| New Orleans, LA | $57,780 | $58,430 | -$650 |
| Dallas, TX | $57,670 | $60,020 | -$2,350 |
| Salt Lake City, UT | $57,110 | $64,170 | -$7,060 |
| Atlanta, GA | $56,830 | $60,730 | -$3,900 |
| Raleigh, NC | $54,180 | $58,920 | -$4,740 |
| San Antonio, TX | $53,770 | $56,840 | -$3,070 |
| Miami, FL | $53,510 | $63,260 | -$9,750 |
| Tampa, FL | $50,010 | $60,380 | -$10,370 |
How These Numbers Are Calculated
All wage figures come from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics (2024) release at bls.gov/oes. National medians are the BLS-published median wages for the trade's Standard Occupational Classification (SOC) code; metropolitan medians come from the same OEWS release at the metropolitan statistical area level. Five-year wage growth compares the current OEWS median to the same series five releases prior, expressed as a percent change. The Trade Pay Score weights raw pay (30%), wage growth (25%), employment depth (25%), and cost-of-living-adjusted purchasing power (20%) into a single 0-100 grade — read the full methodology.
Forward-looking employment projections through 2032 for both trades are published in the BLS Occupational Outlook Handbook at bls.gov/ooh. Apprenticeship pathway detail comes from the U.S. Department of Labor's apprenticeship.gov registry. All three are public-domain federal data sources.
Frequently Asked Questions
Do HVAC Technicians or Diesel Mechanics make more money?
Diesel Mechanics earn more on national median — $64,435 versus $62,556, a gap of $1,879 per 2024 BLS OEWS data. The full BLS dataset is published at https://www.bls.gov/oes/.
Which trade has stronger 5-year wage growth?
HVAC Technicians have posted faster wage growth at +6% versus +5% for Diesel Mechanics. Sustained gaps in growth often compound meaningfully over a 20-30 year career.
How long is the apprenticeship for each trade?
HVAC Technicians typically complete a 4-year registered apprenticeship. Diesel Mechanics typically complete a 3-year registered apprenticeship. Programs are listed at https://www.apprenticeship.gov/.
Which trade has better employment depth?
HVAC Technicians have 157,240 workers employed nationally; Diesel Mechanics have 107,570. Larger employment bases generally translate into more job openings, easier mobility between employers, and lower volatility — useful when comparing the long-term resilience of two trade pathways.
Where can I find apprenticeships for either trade?
Registered apprenticeship programs for both HVAC Technician and Diesel Mechanic are listed on the U.S. Department of Labor's apprenticeship.gov site at https://www.apprenticeship.gov/, which lets you filter by trade, state, and city. Projected employment growth through 2032 for each occupation is published in the BLS Occupational Outlook Handbook at https://www.bls.gov/ooh/.
HVAC Technicians earn a national median of $62,556 versus $64,435 for Diesel Mechanics, a gap of $1,879 per 2024 BLS Occupational Employment and Wage Statistics. HVAC Technicians have posted +6% 5-year wage growth versus +5% for Diesel Mechanics.
Comparing entity A and entity B on U.S. skilled-trade wage data requires lining up the underlying the BLS Occupational Employment and Wage Statistics (OEWS) survey data side by side. The table above runs the comparison on the canonical fields; the narrative below identifies the factor or factors that drive the most meaningful difference between the two.
Practical use of the comparison: read the data above, then drill into the individual entity A and entity B detail pages for the underlying breakdown. A pairwise comparison answers the relative question; the per-entity pages answer the absolute question.