Understanding Common Household Tax Credits

Tax season has a way of arriving with a stack of unfamiliar terms. Among the most useful to understand are tax credits, because several of them are designed with working households and families in mind. Knowing what they are, even at a basic level, helps you ask better questions and gather the right paperwork.

This is a plain-language overview, not tax advice. CozyHarbor is an independent publication. We don’t prepare returns, and nothing here means any household qualifies for a particular credit. Eligibility depends on your income, family, and filing situation, and tax laws and amounts change. For current rules, use irs.gov or talk with a qualified tax professional or a free IRS-supported volunteer site.

Credits vs. deductions: the basic idea

A deduction lowers the amount of income that gets taxed. A tax credit reduces the tax itself, which is why credits can make a noticeable difference.

Credits also come in two broad types:

• Nonrefundable credits can reduce the tax you owe, but not below zero.
• Refundable credits can go beyond what you owe, which may result in a refund.

An illustrative example (round, made-up numbers): imagine a household owes $1,000 in federal income tax before credits. A $600 nonrefundable credit would bring that to $400. If the household instead had a $1,500 refundable credit, the tax would drop to zero and the remaining $500 could be refunded. Real figures depend on the specific credit and your situation; this example only shows how the two types behave.

The Earned Income Tax Credit (EITC)

The Earned Income Tax Credit is designed to help low- to moderate-income workers and families. The amount depends on factors such as earned income, filing status, and the number of qualifying children, and there are separate rules for workers without qualifying children. The EITC is refundable, so it may increase a refund.

A few points worth knowing:

• You need earned income, such as wages or self-employment income.
• Income limits and credit amounts are updated each year; the IRS publishes current tables.
• The IRS offers an online EITC Assistant to help people check whether they may qualify.
• By law, the IRS can’t issue refunds that include the EITC before mid-February, so those refunds may arrive later than others.

The Child Tax Credit

The Child Tax Credit is aimed at taxpayers with qualifying children. In general terms, the IRS looks at the child’s age, relationship to you, residency with you, support, dependency, and citizenship status. Both the taxpayer and each qualifying child generally need a Social Security number valid for employment, issued by the return’s due date.

Part of the credit may be refundable through what’s called the Additional Child Tax Credit, which has its own earned income requirement. Because the rules and amounts have changed several times in recent years, check the IRS page for the tax year you’re filing.

The Child and Dependent Care Credit

If you pay someone to care for a qualifying person so you (and your spouse, if filing jointly) can work or look for work, the Child and Dependent Care Credit may be relevant. A qualifying person is generally a dependent child under 13, or a spouse or dependent who can’t care for themselves and lived with you for more than half the year.

The credit is based on a percentage of eligible care expenses, and that percentage depends on income. You’ll need the care provider’s name, address, and taxpayer identification number to claim it on Form 2441.

If your employer offers a dependent care FSA or similar benefit, note that the same expenses generally can’t be counted twice. IRS Publication 503 explains how excluded dependent care benefits reduce what you can use toward the credit. For more on paying for care, see our guide to finding affordable childcare resources.

The energy efficient home improvement credit

The energy efficient home improvement credit has applied to certain qualifying improvements to a main home, such as some insulation, exterior doors and windows, heat pumps, and home energy audits, subject to annual limits and product requirements.

There’s an important timing change. According to the IRS, under 2025 legislation, the credit is not allowed for property placed in service after December 31, 2025. That means improvements completed during 2025 may still be relevant when filing a 2025 return, but projects completed in 2026 generally won’t be. Keep receipts and any manufacturer certifications, and check the IRS page for the rules that apply to your tax year.

Free help filing your return

You don’t have to pay to get help with a basic return. Two IRS-supported options:

• IRS Free File. Through IRS Free File, partner companies offer guided tax software at no cost to taxpayers whose adjusted gross income is under the IRS’s annual limit, with each partner setting its own additional criteria. Free File Fillable Forms are available at any income level for people comfortable completing forms themselves. Start from irs.gov so you land on the official program.
• VITA and TCE. The Volunteer Income Tax Assistance program and Tax Counseling for the Elderly offer free return preparation by IRS-certified volunteers. VITA generally serves people who meet income guidelines, people with disabilities, and limited-English speakers; TCE focuses on people 60 and older. Every return gets a quality review before filing. Services vary by site, so call ahead.

You can also dial 211 to ask about free tax help sites in your community.

A document checklist for tax time

Gathering paperwork early makes any appointment smoother:

• Photo ID for you (and your spouse, if filing jointly)
• Social Security cards or ITIN letters for everyone on the return
• W-2s, 1099s, and records of any self-employment income
• Child care provider’s name, address, and tax ID number, plus amounts paid
• Receipts and certifications for any qualifying home energy improvements
• Last year’s return, if you have it
• Bank account and routing numbers for direct deposit

Our budget planner is a handy place to note any refund plans, whether that’s an emergency fund, a home repair, or a little breathing room.

The bottom line

Tax credits like the EITC, Child Tax Credit, and Child and Dependent Care Credit are built to support working households and families, and the home energy credit has rewarded certain efficiency upgrades through 2025. Each has its own rules, and amounts and requirements change, so irs.gov is the place for current details. When in doubt, free help through IRS Free File or a VITA or TCE site can walk you through it. For more practical guides, visit Household Resources and Smart Savings.