Fast Service When You Need It

Trusted Local Experts Since 1995 - Fast, reliable HVAC solutions for homes across Leander

Expert Technicians

Licensed, trained, and trusted HVAC professionals ready to help

Upfront Pricing

Honest estimates, no hidden fees - just quality work at fair prices

Our HVAC Services

Complete heating and cooling solutions for Leander homeowners — from repairs and tune-ups to full system replacement and maintenance plans.

AC Repair & Installation

Full System HVAC Installation

Diagnose, repair, or replace your cooling system with energy-efficient options.

Heating Repair & Replacement

Full System HVAC Replacement

Furnace and heater services that keep your home comfortable and safe.

Maintenance Plans

HVAC Repairs

Seasonal tune-ups to reduce bills and prevent unexpected breakdowns.

Common HVAC
Problems We Solve

  • AC blowing hot air
  • Weak or inconsistent airflow
  • Short cycling
  • Loud banging, rattling, or screeching sounds
  • Funky odors or refrigerant leaks
  • Thermostat malfunctions
  • Clogged filters or condensate drains

No problem is too big or too small for our Cedar Park HVAC technicians.
Call for quick diagnosis and transparent pricing.

Is It Time to Replace
Your System?

If your system is over 10 years old, or you notice steadily rising energy bills and frequent breakdowns, it may be time for an upgrade. We recommend systems that fit your home and budget and provide careful, code-compliant installation.

Free replacement estimate
Free replacement estimate
Energy-efficient system recommendations
Energy-efficient system recommendations
Professional installation & cleanup
Professional installation & cleanup

Full System HVAC Installation in Leander: Expert Comfort Solutions by AC Express

A full system HVAC installation can make all the difference in maintaining year-round comfort in your Leander home. AC Express guarantees a smooth process from beginning to end, whether you're replacing an old system or installing a brand-new one. Our skilled technicians provide the ideal heating and cooling solution for your house by combining accuracy, dependability, and efficiency.

What to Do Before a Full System HVAC Installation in Leander

A more seamless process and long-term system efficiency can be achieved by getting your Leander house ready for a full system HVAC installation. Before the day of installation, homeowners should do the following:

Evaluate your current system

Look for signs of aging, such as high energy costs, frequent repairs, or uneven cooling. Note any recurring issues and share them with your HVAC technician for better system recommendations.

Inspect insulation and ductwork

Make sure ducts are clean and connected correctly, and seal any air leaks. If necessary, install insulation to increase comfort and lower energy loss.

Choose the correct system size

It's not always better to be bigger. Excessive systems can lead to humidity issues and waste energy. To determine the best system for your house, AC Express does precise load calculations.

Clear the installation area

Clear the area around the indoor and outdoor units of any clutter, furniture, and plants. Make sure the technicians can enter the work area safely and clearly.

The Step-by-Step Process of a Full
System HVAC Installation

We at AC Express take pride in providing Leander homes with a smooth HVAC installation experience. Here's how our professionals make sure everything goes without a hitch:

Initial Assessment & Recommendations 1

We begin with a thorough examination of the airflow, ductwork, and layout of your house. Based on comfort preferences and financial constraints, our team recommends the best HVAC system.

Accurate System Sizing 2

To find the ideal system size, we employ sophisticated load calculation tools. Common problems like short cycling or ineffective heating and cooling are avoided with proper sizing.

Removal of Old Equipment 3

Your old unit will be safely disconnected and removed by our technicians. We recycle or dispose of materials in accordance with EPA regulations.

Installation of the New System 4

The thermostat, outdoor condenser, and indoor unit are among the new HVAC parts that we install. Every connection is examined twice to ensure that the seals are secure and operating correctly.

Testing & Calibration 5

We conduct a thorough system test following installation. This covers airflow checks, thermostat calibration, and performance verification. We also walk you through basic maintenance tips and system operation.

Understanding Full System HVAC Installation: Key Information for Homeowners

A full system HVAC installation is more than just swapping out an old unit; it’s a complete comfort upgrade. Here’s what you should know:

  • What’s Included: Installation of the indoor air handler, outdoor condenser, evaporator coil, ductwork connections, and thermostat. Integration of new system components for balanced airflow and maximum efficiency.
  • Benefits of a Full System Replacement: Improved comfort, better airflow control, enhanced indoor air quality, reduced energy costs, and longer equipment lifespan.
  • Smart Features & Energy Savings: New systems include variable-speed motors and programmable or smart thermostats. Advanced designs optimize cooling while lowering utility bills.
  • Environmental Impact: Modern HVAC systems use eco-friendly refrigerants and energy-efficient designs to reduce emissions and environmental impact.
  • Long-Term Investment: Though the cost is higher, a full system installation provides major long-term savings with fewer repairs and improved efficiency.
HVAC Team

AC Express guarantees that every installation satisfies the highest requirements for effectiveness and quality. Our licensed professionals are committed to providing Cedar Park homeowners with systems that maintain comfort throughout the year.

Contact AC Express for a professional full system HVAC installation in Cedar Park

Why Regular HVAC Maintenance Matters

Keep your system running efficiently and avoid emergency repairs. Our seasonal tune-ups include comprehensive inspections, cleaning, and safety checks to keep your system performing at its best.

Improve efficiency & lower bills
Improve efficiency & lower bills
Extend equipment life
Extend equipment life
Prevent unexpected breakdowns
Prevent unexpected breakdowns

PRO TIP

A properly tuned system can save you money and improve comfort. Schedule tune-ups every spring and fall.

Look No Further Than AC Express

Satisfaction
Guaranteed
Competitive
Pricing
Fast &
Reliable

What Our Customers Say

Tiffani W.
Tiffani W.
February 2021
★★★★★ Verified

AC Express installed our heat pump 6 years ago and has always been reliable. During the 2021 winter storm when our heat died, they came out on icy roads on a Sunday — true heroes! Lifelong customers now.

Xiaohui C.
Xiaohui C.
February 2021
★★★★★ Verified

Extremely professional! During the big freeze, my furnace failed. They arrived within 2 hours and fixed it in 10 minutes. Real lifesavers — highly recommend!

Lee
Lee
July 2025
★★★★★ Verified

Called at noon — they were here in 30 minutes and fixed it for FREE because it was simple. Same experience as my friend who referred them. Amazing honesty!

Lacy K.
Lacy K.
July 2025
★★★★★ Verified

Upstairs not cooling at 4:30 PM — tech came by 6:30 PM same day! Installed new outdoor unit next morning in just 2 hours. Super professional and fast.

Steven S.
Steven S.
June 2025
★★★★★ Verified

Called in the morning — fixed in under 10 minutes! Topped off refrigerant too. Felt like family helping me stay cool in Texas summer. Best service ever!

Charlie G.
Charlie G.
June 2025
★★★★★ Verified

Quick, honest, and no service charge for a simple fix. Who does that anymore? Old-school customer service — we’re customers for life now.

David E.
David E.
May 2025
★★★★★ Verified

Diagnosed in 1 minute, fixed fast, wore masks, respected distance — back to cold air in no time. Will always call them first.

Kim T.
Kim T.
May 2025
★★★★★ Verified

Another company wasted 4 hours with no fix. AC Express came and solved it in under 30 minutes. Told all my neighbors — call them first!

Weber Y.
Weber Y.
April 2025
★★★★★ Verified

Chad fixed a bad capacitor in minutes and didn’t charge anything because it was quick. Rescheduled twice with no issue — true professionals!

David H.
David H.
April 2025
★★★★★ Verified

Came within 2 hours and fixed it in 10 minutes. Another company wanted $178 just to show up. AC Express is honest and fast!

Jessica A.
Jessica A.
March 2025
★★★★★ Verified

AC went out overnight — they sent techs same day and didn’t charge because it was an easy fix. Super honest and fast!

Meredith W.
Meredith W.
March 2025
★★★★★ Verified

At my house within an hour of calling on a weekday morning. Fixed the heater in under 15 minutes. Recommending to everyone!

Nick R.
Nick R.
February 2025
★★★★★ Verified

Fast response, affordable, and excellent communication. Diagnosed and repaired within hours. Will always use them!

Donna F.
Donna F.
February 2025
★★★★★ Verified

On a hot holiday weekend, Brad came within 90 minutes — earlier than promised! Friendly, knowledgeable, and went above and beyond. Thank you!

Get in Touch

Get started, we're here to answer your questions.
Contact us today.

Fill out my online form.

From Our Blog

Keeping Austin Cool: Air Conditioning Service That Feels Like a Local Lifesaver

In Austin, AC isn't just a nice-to-have in the summer; it's essential to stay

Read More →

Cooling Austin Homes in a Flash: Emergency AC Repairs That Deliver

Austin summers are no joke. When the sun blazes and the humidity

Read More →

Austin Nights Get Cold Fast: Here’s Who To Call For Emergency Heating Service

When Austin gets a surprise cold snap, the last thing you want is your heater acting up.

Read More →

Emergency Heating Service In Austin

When Austin gets a surprise cold snap, the last thing you want is your heater acting up.

Read More →

Air Conditioning In Leander

Leander's long, hot summers mean AC is a must-have for daily life. Keeping your home cool

Read More →

Air Conditioning Service in Austin

In Austin, AC isn't just a nice-to-have in the summer; it's essential to stay comfy

Read More →

Emergency Air Conditioning Repair in Cedar Park: Rapid Relief When It Matters Most

Cedar Park summers get super hot, and if your AC conks out, your home can turn into

Read More →

Expert Heating Repair in Austin – Fast & Reliable Service by AC Express

AC Express is Austin's trusted choice for expert heating repair, offering fast, reliable.

Read More →

Affordable AC Repair In Austin by AC Express – Get Cool Again Fast

Looking for affordable AC repair in Austin? As a family-owned business, at AC Express

Read More →

Top-Rated Air Conditioning Repairs in Austin by AC Express

For top-rated air conditioning repairs in Austin, trust AC Express for fast, reliable service.

Read More →

Frequently Asked Questions

It might be time for a complete replacement if your HVAC system malfunctions frequently or has trouble maintaining steady temperatures. A new system increases dependability, comfort, and efficiency.

Most full system HVAC installations take one full day depending on ductwork needs and system type.

Clear the work area, secure pets, and make sure the technician has easy access to both indoor and outdoor units.

Yes. Modern HVAC systems are more efficient and often lower monthly cooling and heating bills.

Yes, we offer both manufacturer warranties and optional maintenance plans to ensure long-term performance.