25 Tax Write-Offs for HVAC Technicians

NAICS business code238220
Reviewed by

We get it, nobody likes being too cold or too hot. Your customers get cranky when their HVAC system goes on the fritz, and you’re the one to bear the brunt of their complaints. So at the end of the day, it’s no wonder you don’t want to think about taxes.

But did you know that the job expenses you run into all the time can actually save you money on your tax bill? Whether it’s wear and tear on your van or that special-order component you’ll need to fix the furnace (you know, the one that’s guaranteed to be on backorder when you need it most), you can put these purchases to work for you. Time to heat up your savings!

Business cards

Business cards with your contact information count as advertising expenses.

Where to write it off: Schedule C, Box 8
Courses & certifications

Educational courses and certifications to enhance your skills are considered tax write-offs.

This covers training that maintains or improves skills for the work you already do. Courses that qualify you for a new trade or profession are not deductible.

Where to write it off: Schedule C, Box 27b
Productivity software

Software you use for invoicing, tracking expenses, creating timesheets, and so on is deductible.

Where to write it off: Schedule C, Box 18
Protective gear

Write off the protective gear, like goggles and gloves, you wear on the job.

Where to write it off: Schedule C, Box 22
Website & hosting fees

Squarespace, Wix, GoDaddy, and other website service fees are fully tax-deductible.

Where to write it off: Schedule C, Box 8
Advertising

Print and online advertising costs for your business are considered write-offs.

Where to write it off: Schedule C, Box 8
Contracted help

Freelancers, contractors, or other services that help you run your business are tax-deductible.

Pay any one contractor $600 or more in a year and you'll need to file a Form 1099-NEC for them.

Where to write it off: Schedule C, Box 11
Equipment depreciation

The depreciation on your machinery and equipment is considered tax-deductible.

Where to write it off: Schedule C, Box 13
Equipment repairs

Any maintenance or repairs needed for your equipment to operate are fully deductible.

Where to write it off: Schedule C, Box 21
Parts & materials

Parts and materials you use up on client jobs are deductible. If you keep inventory and bill parts separately with a markup, they belong in cost of goods sold on Box 38 instead.

Where to write it off: Schedule C, Box 22
Liability insurance

Protecting yourself and your business with liability insurance? It's a write-off.

Where to write it off: Schedule C, Box 15
Licensing fees

Fees to renew your license to perform your work are fully deductible.

Where to write it off: Schedule C, Box 23
Small hand tools

Wrenches, gauges, meters and other small tools are deductible supplies. Larger equipment gets depreciated on Box 13.

Where to write it off: Schedule C, Box 22

If you drive for work ...

As an HVAC tech, you might need to drive to an office or a client's home, or to pick up tools and supplies. If this applies to you, you can claim your car expenses on your taxes.

Parking

Parking for a meeting downtown, or any other work trip, is tax-deductible!

Where to write it off: Schedule C, Box 9
Tolls

A toll while driving to or from a work destination is tax-deductible!

Where to write it off: Schedule C, Box 9
Car purchase & depreciation

If you buy a new car, you can write off part of the cost every year for five years.

Where to write it off: Schedule C, Box 13
Vehicle tool kit

Flashlights, tire iron, duct tape, and other tools you may need in your vehicle are deductible.

Where to write it off: Schedule C, Box 22
Car insurance & registration

Car insurance monthly fees, registration, even roadside assistance are partially deductible — if you use the actual expense method. The standard mileage rate already covers them.

Where to write it off: Schedule C, Box 9
Car maintenance

Oil changes, repairs, and regular checkups are deductible if you use the actual expense method. Take the standard mileage rate instead and they're already baked into your per-mile deduction.

Where to write it off: Schedule C, Box 9

If you discuss work at a restaurant ...

As long as the conversation is work-related, you can deduct the cost of going for a meal or drink with mentors, clients, or fellow HVAC techs.

Business meals

If you discuss work with a coworker, mentor, client, or prospective client, it's a write-off — 50% of the tab.

Where to write it off: Schedule C, Box 24b

If you leave town for work ...

The cost of transportation or a hotel can be deducted from your taxes if you have to travel out of town for work for something like an industry conference or to meet a client.

Transportation

Planes, trains, and car rentals are all work-related travel costs that can be written off.

Where to write it off: Schedule C, Box 24a
Travel lodging

When you travel for work, lodging expenses such as hotel rooms or Airbnb are write-offs.

Where to write it off: Schedule C, Box 24a
Meals while traveling

When you're traveling for work, your meals are 50% deductible — takeout included. (Long-haul truck drivers subject to DOT hours-of-service rules can deduct 80%.)

Where to write it off: Schedule C, Box 24b

If you work from home ...

While most of your work might take place in office buildings or clients' homes, you might use a dedicated workspace at home for administrative purposes, like client development, industry research, and working on the marketing side of your business. This makes you eligible to claim home office deductions!

Home office furniture

A desk, chairs, lamps, and other home office necessities are all tax write-offs. Anything over about $2,500 gets depreciated on Form 4562 instead of written off all at once.

Where to write it off: Schedule C, Box 18
Property repairs

Repairs just for your home office are 100% deductible. Repairs to the rest of your home count too, prorated by your business-use percentage on Form 8829.

Where to write it off: Schedule C, Box 21
Power bill

Gotta keep the lights on in your home office! A portion of your electricity bill counts.

Where to write it off: Form 8829
Property insurance

Whether it's rental or homeowners insurance, you can write off a portion through your home office deduction.

Where to write it off: Form 8829
Water bill

It'd be hard to work in an office without running water, huh? Your water bill counts.

Where to write it off: Form 8829
Wi-Fi bill

You need internet to do your job! If you claim a home office, deduct it prorated on Form 8829 along with your other utilities. Internet you pay for on the road, purely for work, is 100% deductible.

Where to write it off: Schedule C, Box 25

You may also enjoy learning about ...

Track and claim every eligible deduction with Keeper

Keeper scans your accounts for write-offs and files your return — with tax pros reviewing every one.

Try it free