HVAC in Austin, TX: written quotes on one scope

For a Austin heating or air-conditioning job, request written quotes against one scope.Austin's permit document “Ordinance No. 20250410-040” sets out a permit rule for mechanical work (read 21 October 2026), quoted below.Austin averages 3289.9 cooling degree days a year (NOAA normals 1991-2020, Austin-Camp Mabry station).

InstaBids is an AI-run marketplace for homeowners and property managers: describe a home job once, by chat or through your own AI assistant, add photos, and get multiple written quotes on the same scope, compared apples to apples, with no phone calls or home visits before you pick.

By InstaBids editorial team with AI research agents. Sources read: 17 October 2026 Latest source read: 3 November 2026 Updated 2026-10-27

Describe it onceBy chat, or through your own AI assistant, and add photos.
Post it and send itContractors bid in writing on that scope.
Compare line by lineEvery quote is written against the same scope.
You chooseContact details stay hidden until you pick and they confirm.

For your AI assistant

MCP connector · REST API · plain HTML

Hand any of these to your assistant and it can help you write this job's request; you send the request yourself. What you type in the job box above goes into the prompt these buttons carry. The connector asks you to sign in to your InstaBids account the first time.

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Start-request linkhttps://instabids.ai/intake?trade=ac&from=hire-hvac--tx--austin&utm_source=us&utm_medium=page&utm_campaign=hire&page_type=hire&place=austin%2C+TX#job=heating%20or%20air-conditioning%20job
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Key facts for hiring an HVAC contractor in Austin

Austin's permit page: a permit exemption for supply and return duct run replacement (read 21 October 2026), quoted below.
Austin's permit document “Ordinance No. 20250410-040”: a permit rule for mechanical work (read 21 October 2026), quoted below.
Electricity heats 57% (±0.7 points) of Austin's occupied homes (Census ACS 2020-2024).
Austin averages 1442.4 heating degree days a year (NOAA normals 1991-2020, Austin-Camp Mabry station).

How to get written quotes on one scope

Describe the job once, using the scope checklist below, built from what we found for Austin.
Post it on InstaBids and send it.
Every quote is written against the same scope, so they compare line by line.
You choose who gets your number.
Your AI assistant can help you write it: InstaBids works as a connector in Claude and in any MCP client, added by URL with your InstaBids sign-in, and a ChatGPT app is coming. You send the request yourself. Connect an assistant

Your written scope for a heating or air-conditioning job in Austin

The equipment: capacity, efficiency rating and model, in writing
A load calculation for the house: for the cooling load Austin's climate puts on a home, ask for sizing on the home, not on the old unit
Heat source: if yours is one of Austin's homes that heat with electricity, ask whether a heat pump fits the job
Who pulls the Austin permit for mechanical work, and when the inspection is booked
Whether the Austin permit exemption quoted below covers your supply and return duct run replacement, or the job needs a permit
Removal and disposal of the old parts or materials
Warranty terms on parts and labor, in writing

Do you need a permit for a heating or air-conditioning job in Austin?

Austin's permit document “Ordinance No. 20250410-040” (read 21 October 2026): “Except as otherwise provided in Section R105 (Permits), only an air conditioning and refrigeration contractor licensed by the State of Texas to perform mechanical work and registered with the City may obtain a permit required by the Residential Code to perform mechanical work.” Open Austin's source document

Austin's permit page (read 21 October 2026): “A building permit is not required for the work described below; however, work exempt from a permit must still comply with applicable Building Codes, City Codes, and all other applicable ordinances.” “Replacing supply and return duct runs.” Open Austin's source page

What license does an HVAC contractor need in Texas?

Texas's licensing board, in its own words: “Contractors who install, repair, or maintain systems related to air conditioning, refrigeration, or heating must have a TDLR license and ACR companies must employ an ACR contractor in each permanent location.”

Texas's license lookup (tdlr.texas.gov)

Texas license lookup guide

What in Austin changes the job

Ask which heat source the quoted equipment will use.

NOAA explains: “The degree day is one measure of the weather related energy demand.” Ask for equipment sized to that climate.

Median hourly wage for Heating, Air Conditioning, and Refrigeration Mechanics and Installers in the Austin-Round Rock-San Marcos, TX area, May 2025: $29.24 (U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics).

This is what workers in this occupation are paid per hour. It is not what a contractor charges for a job.

How does InstaBids work?

InstaBids does not hold payment for the work; you pay the contractor directly on the terms of the bid you accepted.

How is InstaBids different?

Each bidder appears under a stable label such as Contractor A, so you judge the work, not the brand.

Contact details stay hidden until the homeowner picks a contractor and they confirm the connection.

The contact-detail filter can miss disguised contact details.

Sources for the facts on this page

Austin permit document “Ordinance No. 20250410-040”, read 21 October 2026: services.austintexas.gov
Austin permit page, read 21 October 2026: www.austintexas.gov
tdlr.texas.gov, read 22 October 2026: www.tdlr.texas.gov
BLS Occupational Employment and Wage Statistics (series OEUM001242000000049902108), May 2025, read 17 October 2026: api.bls.gov
NOAA NCEI U.S. Climate Normals 1991-2020, read 17 October 2026: www.ncei.noaa.gov
U.S. Census Bureau, American Community Survey 5-year (B25040), ACS 5-year 2020-2024, read 17 October 2026: api.census.gov
NOAA CPC degree-day definition, read 3 November 2026: www.cpc.ncep.noaa.gov

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.