Expert Air Conditioning Replacement in Houston, TX | Energy-Efficient Upgrades

Is your aging AC struggling to keep up with Houston summers? At 75 Degree AC, we provide expert AC replacement in Houston, TX. Our licensed technicians remove old equipment, install the right new system, and test everything before we leave your home

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$89

Flat Diagnostic

Waived with approved repair

Same-Day

Before 2pm

Waived with approved repair

5.0★

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Since 2016

TACLA Class A

License TACLA72152E

Professional AC Replacement With Local Houston Experience

75 Degree AC provides Air Conditioning Replacement in Houston for residential and commercial properties that need a dependable upgrade from an aging or failing system. We replace worn-out central air units, ductless systems, heat pumps, and multi-zone equipment with properly matched systems that suit the size, layout, and cooling demands of the property. Every Air Conditioning Replacement in Houston starts with a close review of the existing system and the needs of the space. Our technicians explain the available options clearly, give honest pricing, and install trusted brands such as Carrier, Trane, Lennox, Goodman, and Rheem based on performance, efficiency, and fit. Once the new equipment is installed, we carry out the final checks that matter for long-term results. Refrigerant charge, airflow, controls, and overall system operation are tested carefully before the job is finished. That process helps residential and commercial customers across Houston get more reliable cooling, better efficiency, and stronger day-to-day performance.

Complete AC Replacement Services We Offer In Houston

Central AC Replacement

Central AC replacement is the most common service we perform for Houston homeowners. When your central unit reaches end of life, we remove the old system and install a correctly sized new unit. We evaluate your existing ductwork for leaks or restrictions, make corrections, and test your new system’s airflow and efficiency before we leave.

Older System Upgrade to High-Efficiency AC

Upgrading from an older AC to a modern high-efficiency system is one of the best investments a Houston homeowner can make. Newer units with high SEER ratings use less electricity to achieve the same cooling. 75 Degree AC installs efficient replacements that lower your electricity costs and perform reliably in Houston’s demanding climate.

R-22 Refrigerant System Replacement

Older AC systems using R-22 refrigerant are expensive to maintain because R-22 is no longer manufactured in the United States. As supply shrinks, recharge costs keep climbing. Replacing your R-22 system with a modern unit that uses R-410A eliminates this ongoing expense and puts a reliable, efficient system in place for years to come.

When Replacing Your AC Makes More Sense In Houston

An aging AC unit can reach a point where another repair no longer gives good value. Frequent service calls, rising cooling costs, uneven temperatures, and poor performance during extreme heat often show that the system is wearing out. In Houston, that decline usually becomes obvious fast once summer demand increases. Choosing AC replacement gives you the chance to improve comfort and efficiency at the same time. A properly selected system can cool more evenly, run with less strain, and handle daily use better through long hot weather. With the right installation, homeowners get more dependable performance instead of continuing to pay for short-term fixes.

Why Homeowners & Businesses Choose 75 Degree AC for Replacement

Honest Repair vs. Replacement Assessment

We never recommend AC replacement without first diagnosing your system. Our technicians give you an honest comparison of repair versus replacement costs so you can make the right financial decision for your home and budget in Houston's tough climate.

Correct Sizing on Every Replacement Job

We perform load calculations on every replacement job to make sure your new system is correctly sized. An oversized or undersized replacement is one of the most costly installation mistakes in Houston, and we make sure it never happens on any of our jobs.

All Major Brands and Efficiency Levels

75 Degree AC installs replacement systems from Carrier, Trane, Lennox, Goodman, Rheem, and other trusted brands. We explain the efficiency differences between models and let you choose the system that fits your budget and comfort goals for your Houston home.

Warranty Coverage on Parts and Installation

Our replacement jobs include full manufacturer warranty coverage on equipment and our workmanship guarantee on the installation. You get peace of mind knowing your new system is fully protected, and you have a local Houston team ready to support you.

Step-By-Step AC Replacement In Houston, TX

System Evaluation And Guidance

We start by evaluating your current system, reviewing repair history, and assessing your home's load requirements so we can recommend the best replacement system for your needs.

Equipment Selection and Pricing

We present you with clear equipment options and pricing so you can choose a replacement system that fits your budget, efficiency goals, and long-term comfort needs in Houston.

Removal and Installation

Our technicians remove your old system, install the new equipment, connect refrigerant lines and electrical components, and seal every connection per local code and specs.

Commissioning and Testing

After installation, we run a full commissioning test to verify refrigerant charge, airflow, thermostat settings, and system efficiency. We do not leave until the job is complete.

Business Hours

Monday 7:00 AM – 9:00 PM

Tuesday 7:00 AM – 9:00 PM

Wednesday 7:00 AM – 9:00 PM

Thursday 7:00 AM – 9:00 PM

Friday 7:00 AM – 9:00 PM

Saturday 8:00 AM – 8:00 PM

Sunday 8:00 AM – 5:00 PM

Our Recent Projects in Houston

What Parts Of Houston Does 75 Degree AC Serve?

75 Degree AC provides HVAC services across Houston TX, supporting residential and light commercial properties throughout the city. Our service coverage reflects how HVAC demand actually works in Houston, from central neighborhoods to outer city districts. Customers rely on us for consistent service standards, clear communication, and dependable system support city-wide.

Downtown

East Downtown (EaDo)

Westwood

Midtown

Spring Branch (Central, TX)

University Place

Montrose

Gulfton

Meyerland

The Heights

Westbury

Eastwood

River Oaks

Memorial

Harrisburg / Manchester

Third Ward

Lazybrook / Timbergrove

Spring Branch (East Houston)

South Belt / Ellington

Trinity / Houston Gardens

Clear Lake (Houston City Portion)

Richmond

Free HVAC Estimate

About Houston, TX

Houston, TX is a city where air conditioning is part of everyday comfort, not an occasional need. From older neighborhoods with aging ductwork to newer developments built for growing families, homes across the city depend on cooling systems that can handle long stretches of heat and humidity without falling behind. The size of Houston also means properties vary a lot from one area to another. Some homes need full system replacement after years of heavy use, while others need a more efficient setup for added rooms, renovations, or changing household needs. In a climate like this, proper AC installation plays a big role in keeping indoor spaces comfortable, efficient, and dependable through the hottest months of the year.

10+

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Faq

Frequently Asked Questions

At what age should I replace my AC in Houston rather than repair it?

Most AC systems in Houston last 12 to 15 years before replacement becomes the smarter financial call. Once repair bills stack up or the unit runs R-22 refrigerant, continuing repairs costs more than a new system. We help you compare costs so the decision is fully clear.

What happens to my old AC system when you replace it?

We handle full removal and disposal of your old unit as part of the job. Equipment is recycled through certified channels, and refrigerant is recovered per EPA rules before removal begins. You are not responsible for disposal or hauling anything away from the job site.

My AC still cools, why would I replace it now instead of waiting?

An aging AC that still runs can quietly cost you money through low efficiency every month. Systems over 12 years old often run below their original SEER rating. Replacing before a breakdown lets you avoid emergency pricing and choose the right system on your schedule.

What is the difference between a 14 SEER and a 20 SEER AC system in Houston?What is the difference between a 14 SEER and a 20 SEER AC system in Houston?

A 20 SEER unit uses roughly 30 percent less electricity than a 14 SEER unit in the same home. In Houston where cooling runs seven to eight months a year, that efficiency gap adds up fast. We help you calculate payback so you can pick the tier that fits your budget.