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AC Installation in Katy

Get fast, fair pricing from licensed local pros. Typical Katy cost: $3.7k – $7.5k+ installed.

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Central AC (replace)
$3.7k – $7.5k+
New central AC + ducts
$5.6k – $12k+
Ductless mini-split
$2.8k – $7.5k
Permit & inspection
$70 – $375
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Katy pricing

AC installation cost by system.

Installed pricing for Katy, adjusted for local labor. Higher SEER2 tiers, larger tonnage, and new ductwork add to the base.

In Katy, Texas, where the median home was built around 2003 and the climate is hot-humid, AC installation is a common need. Typical costs for a like-for-like central AC replacement range from $3,700 to $7,500+, while a new system with ductwork runs $5,600–$12,200+. Ductless mini-splits cost $2,800–$7,500, and heat pumps $4,700–$11,200+. Texas requires a TDLR-licensed contractor to pull a mechanical permit, and the federal 25C tax credit offers up to $2,000 for qualifying heat pumps or $600 for high-efficiency central AC. Given the high cooling demand and mixed heating needs, a heat pump is a strong fit for many Katy homes.

  • Central AC, like-for-like
    Existing ducts in good shape
    $3,700 – $7,500+
  • New central AC + ductwork
    First-time or full duct replacement
    $5,600 – $12,000+
  • Ductless mini-split
    Single or multi-zone, no ducts
    $2,800 – $7,500
  • Heat pump (cooling + heating)
    Qualifies for federal & local rebates
    $4,700 – $11,000+
  • Permit & inspection
    Required in most jurisdictions
    $70 – $375

* High-efficiency systems cost more upfront but may qualify for federal tax credits and utility rebates.

Pricing reviewed · Local data from U.S. Census ACS

HVAC systems in Katy

U.S. Census ACS
Households
9,130
Homeowners
5,552
72% own
Median home value
$359,800
Median income
$114,917
Median home built
2003
Housing units
7,698

With a median home built in 2003, many Katy AC and furnace systems are at or past their 12–15 year lifespan — a common reason replacements spike here.

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Local guide · Katy

What’s different about Katy.

Generic cost pages skip the things that actually decide your price and which system fits here — local code, climate, and the money you can claim back.

Recommended unit for Katy

High-SEER2 heat pump

Given Texas’s hot-humid climate and mixed heating, high-seer2 heat pump is the sensible default for most Katy homes. With a long, hard cooling season here, stepping up the SEER2 tier pays back through lower summer bills. A pro can confirm the right size and system for your home with a load calculation.

Sources: SEER2 Southeast region standards (Texas) · Texas heat pump rebates by utility 2026 · Texas HVAC permit requirements

What Katy code requires

Installing or replacing an HVAC system in Katy follows Texas rules under the state mechanical code. Here’s what applies statewide:

  • Permit

    Mechanical permit pulled by your licensed HVAC contractor; covers equipment, refrigerant, and the electrical disconnect.

    Required
  • SEER2 minimum

    Federal Southeast-region minimum for new split-system AC. Higher tiers cut bills and unlock rebates.

    14.3 SEER2 (Southeast, <45k BTU)
  • Load calculation

    Sizing by load calc — not rule of thumb — prevents an oversized unit that short-cycles and never dehumidifies.

    Recommended
  • Refrigerant
    R-454B / R-32 (R-410A phased down 2025+)
  • Good to know

    HVAC work must be done by a TDLR-licensed Air Conditioning & Refrigeration contractor, and the licensed contractor (not the homeowner) pulls the required mechanical permit.

    —

Sources: SEER2 Southeast region standards (Texas) · Texas heat pump rebates by utility 2026 · Texas HVAC permit requirements

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Not sure which rules and rebates apply to your home?

A licensed Katy pro will walk you through code, the right unit, and what you can claim back — in one quick call.

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No obligation — talk through your options.

Money back in Katy

Texas heating is mostly mixed, which shapes the money back:

The federal 25C tax credit (30%, up to $2,000 for a qualifying heat pump and up to $600 for a high-efficiency central AC) applies in every state, including Texas.

How it works

Comfort back in three steps.

  1. 1

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  2. 2

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  3. 3

    Repair or replace, fast

    Your pro confirms the price on-site and gets your comfort back. Most jobs done in a few hours.

Local insight · Katy

AC Installation in Katy, explained.

What moves the price

What Affects AC Installation Costs in Katy

System type and efficiency drive costs: a heat pump or high-SEER2 unit costs more upfront but may qualify for the 25C tax credit. Adding or replacing ductwork increases the price significantly. The age of your home (median built 2003) may require duct modifications or load calculations. Permit fees and the contractor's TDLR license also factor in. Finally, the size and layout of your home affect labor and material costs.

Common AC Installation Issues in Katy

1

Undersized or Oversized Systems

Without a proper load calculation, a system may be too small to cool effectively or too large, causing short cycling and humidity issues.

2

Refrigerant Transition

R-410A is being phased down; new installations use R-454B or R-32, which may require compatible equipment and affect service options.

3

Permit Compliance

Texas requires a mechanical permit pulled by a licensed contractor; unpermitted work can cause inspection failures and insurance issues.

FAQ

AC Installation FAQs — Katy

Yes, Texas law requires a mechanical permit for AC installation. Your contractor must be TDLR-licensed and will pull the permit on your behalf.

AC Installation near Katy

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