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75 Degree AC

Houston Mini Split AC Installation

That one room your central air never reaches, or the garage conversion with no ductwork, is exactly what 75 Degree AC solves with Houston mini split AC installation built for Gulf Coast humidity, backed by 10 years in Houston, 300+ installs, and TACLA Class A (TACLA72152E) licensing.
$89

Flat Diagnostic

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Same-Day

Before 2pm

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5.0★

240+ Reviews

Verified Google profile
Since 2016

TACLA Class A

License TACLA72152E

Central Air Conditioning Installation Backed by a Decade of Houston Experience

Every mini split installation Houston homeowners get from 75 Degree AC connects two parts: an outdoor condenser and one or more indoor air handlers, joined by a refrigerant line set through a single wall penetration. That line carries heat both directions, so the same system cools your home in summer and heats it through Houston’s mild winters, with no ductwork involved.

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Central AC Systems We Install Across Houston

Every home has different cooling demands based on square footage, insulation, ductwork condition, and layout. These are the most common types of central AC installation projects our team handles for homeowners throughout the Houston metro.
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Standard Split System Replacement

The most common central AC installation in Houston. We remove the old outdoor condenser and indoor evaporator coil, then install matched equipment sized to the home. Refrigerant lines, electrical connections, and the condensate drain are all verified before startup.
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First-Time Central AC Installation

Older Houston homes that rely on window units or have no existing ductwork can be converted to central air. Our contractors design the duct layout, install the full system, and make sure every room receives proper airflow from the new central AC.
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High-Efficiency SEER2 Upgrade

Replacing an aging 10 SEER unit with a modern SEER2-rated system lowers energy bills and improves indoor comfort. We calculate the savings based on your current system and recommend the efficiency tier that makes the most financial sense for your home.
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Two-Stage & Variable-Speed Systems

Two-stage and variable-speed compressors adjust output to match the cooling load instead of running at full blast every cycle. These systems reduce humidity, lower noise, and maintain more consistent temperatures. We install and configure them to perform correctly in Houston’s climate.
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Air Handler & Coil Replacement

When the indoor air handler or evaporator coil has failed or no longer matches the outdoor unit, we replace it as part of the central AC installation. Matched indoor and outdoor equipment is required for the system to run at its rated efficiency and cooling capacity.
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Is a Mini Split Right for Your Houston Home?

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If you’re searching for ac mini split installation near Houston, you likely fall into one of four situations: a room addition, garage or attic conversion, or sunroom with no ductwork nearby, or an older home where extending existing ducts means tearing into walls and attic space you’d rather leave alone. In each case, running new ductwork costs more and takes longer than a single line set, which is why Houston mini split ac installation is the more practical fix for these spaces.

The same logic applies if your central air cools most of the house but leaves one room stuck five degrees warmer, or if you’re building new construction and want zoned control from day one. A mini split adds capacity exactly where it’s needed without resizing your whole system, and 75 Degree AC sizes each zone to the room, not a generic average.

about1 Why Choose Us

Why Houston Homeowners Choose 75 Degree AC?

Licensed and Certified

We hold TACLA Class A (TACLA72152E) and our lead techs carry NATE certification, so the person on your roof is tested and qualified, not just experienced on paper.

10 Years Serving Houston

We've installed and serviced mini splits across Houston since [year], through enough summers to know how this climate actually treats equipment.

Labor and Manufacturer Warranty

Every install carries a -year labor warranty on top of the manufacturer's parts warranty, so you're covered on both the equipment and the work.

280+ Verified Reviews at 5.0 Stars

Our rating comes from [platform] reviews left by actual Houston customers, not a number we picked to sound good.

Mini Split Brands We Install

Every Houston mini split ac installation from 75 Degree AC uses equipment from manufacturers we’re factory trained and certified on, not whichever unit sits in the warehouse. Brand and model get matched to your room size, budget, and how the space gets used, not picked off a single default line.

Our Mini Split Installation Process

Every Houston mini split ac installation from 75 Degree AC follows the same six steps on every job, no shortcuts based on how busy the schedule is. Here’s exactly what happens from the first visit to the final walkthrough.

Load Calculation and Site Assessment

We measure the room, check insulation, and calculate the actual cooling and heating load before recommending a unit. This step alone prevents the oversizing that causes short-cycling and humidity problems later.

Unit and Brand Selection

We match the condenser and air handler to your space, usage pattern, and budget rather than defaulting to one brand. The goal is the right fit, not the highest-margin unit on the truck.

Line Set, Electrical, and Condensate Routing

We plan the refrigerant line, electrical run, and condensate drain together so the wall penetration stays as small and clean as possible. Routing decisions get made before any drilling starts, not adjusted mid-install.

Mounting, Vacuum, and Charge

The air handler goes up level and secure, then we pull a vacuum on the line set to remove moisture and air before charging with refrigerant. A proper vacuum is what protects the compressor for the long run.

Permit and Code Compliance

We pull the required electrical and mechanical permits and schedule inspections where applicable, so the installation is documented and code compliant. This step protects your home's resale value and your warranty coverage.

Startup Testing and Final Walkthrough

We run the system through a full cooling and heating cycle, check refrigerant pressures, and confirm airflow at the vent before calling the job done. Then we walk you through the remote, filter location, and basic upkeep in plain terms.

Our Recent Projects in Houston

Mini Split Installation Cost in Houston

Cost depends on real variables: single-zone versus multi-zone, how many zones you’re adding, unit capacity and brand, line-set length, and whether the job needs new electrical circuits. A single-zone room addition runs lower than a multi-zone setup covering several rooms off one condenser, since more zones mean more indoor units, more line set, and more labor.

We quote after the in-home load calculation, not before, so the number reflects your wall construction and electrical panel, not a generic estimate. If the upfront cost doesn’t fit your timeline, we offer financing options so the install doesn’t have to wait on a full cash payment.

Cost to Install Mini Split AC System in 2025

Areas We Serve in Houston

We provide Houston mini split ac installation across the city and nearby communities including The Heights, Katy, Sugar Land, Spring, and Pearland, with the same load calculation and permit process on every job regardless of neighborhood. If your area isn't listed here, call us directly to confirm coverage before you book.

Ready for Professional Mini Split AC Installation in Houston?

Call 75 Degree AC at (713) 598-2737 or request a free in-home assessment online, and we’ll calculate your load and quote your install before we leave.

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Experience

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Faq

Frequently Asked Questions

How Do I Know When My Central AC System Needs to Be Replaced?

Most central AC systems last 12 to 15 years in Houston. When repair costs are climbing, energy bills keep rising, or the system uses R-22 refrigerant that is no longer produced, replacement is usually the better long-term decision. Our contractors can evaluate the system and give you a straight answer.

What Is a Manual J Load Calculation and Why Does It Matter?

A Manual J calculation measures your home’s cooling load based on square footage, insulation, windows, duct layout, and orientation. It determines the exact tonnage your home needs so the system is not oversized or undersized. We include this step on every central AC installation.

What Is the Difference Between a Single-Stage and Two-Stage AC System?

A single-stage system runs at full capacity every time it turns on. A two-stage system has a lower setting for mild days and a higher setting for peak heat. Two-stage units run longer at reduced output, which improves humidity control and lowers energy use over time.

How Long Does It Take to Install a New Central AC in Houston?

Standard central AC replacements are typically completed in one day. First-time installations or jobs that require new ductwork may take two days depending on the scope. We confirm the timeline before the work begins so you know what to expect.