Trusted AC, Heating, & Plumbing Services in Leander

Leander Homes and the Systems in Them

Leander has grown from a small town into one of the busiest suburbs north of Austin, with neighborhoods like Crystal Falls, Travisso, Mason Hills and Bryson alongside the older homes around Old Town Leander. Most systems here are less than 15 years old, but the hill-country lots, larger floor plans and two-story layouts bring their own heating, cooling and plumbing challenges.

Leander is a short drive west of our Round Rock base, and same-day appointments are often available when our schedule allows.

Two-story homes and upstairs heat

Many Leander homes are two stories on a single system, and the upstairs runs several degrees warmer all summer. Sometimes the fix is airflow, like balancing dampers, an added return, or sealing duct leaks in the attic. Sometimes it's a zoned system or a second unit. We measure before we recommend anything.

Newer homes and builder-grade equipment

Newer Leander homes usually have attic air handlers and builder-grade systems. The repairs they need most often are clogged condensate drain lines, failed capacitors and refrigerant leaks at the coil. When a system is older and needs a major part, we give you the repair price and replacement options side by side. Every system and tier is priced on our AC replacement cost page.

Older homes near Old Town

Leander's older homes can have aging ductwork, small attics and electrical service that needs a look before a heat pump goes in. We size replacements with a Manual J load calculation and check the ducts and electrical first.

Leander Water and Your Water Heater

Much of Leander's water comes from Lake Travis. Like most Central Texas water, it carries enough minerals to build scale in water heaters, tankless units and fixtures over time. An annual flush keeps a tank healthier, and Koala Club members get a water heater flush and a hard-water test as part of their membership.

If your water heater rumbles, runs out of hot water early, or leaks at the base, see our water heater installation options. We install tank and tankless units and are Navien Certified Installers, and for whole-home protection from scale we install water softeners.

Leander Power, Heat and Efficiency

Much of Leander is served by Pedernales Electric Cooperative (PEC), though some homes use other providers. Bigger homes mean bigger summer bills, and the most effective fixes are a correctly sized system, sealed ductwork and a clean outdoor coil. When we quote a replacement, we explain the efficiency trade-offs between tiers in plain terms, so you only pay for efficiency that pays you back.

Winter matters too. Leander's hill-country location can run a few degrees cooler than Round Rock on a cold night, and a heat pump or furnace that's been idle since spring should be checked before the first freeze. See our furnace and heating repair page for what that visit covers.

How Koala Works in Leander

Leander gets the same published prices as Round Rock. Your technician uses our StraightForward Pricing™ book and shows you the price before any work starts. The service fee is $131 to get a technician to your door, or $49 for Koala Club members (waived for members when you have paid work done), and diagnosis is free after that. Club members also save 10% on all repairs and replacements.

Koala holds Texas HVAC license TACLA26515E and plumbing license RMP-37834, is Carrier Factory-Authorized and a Lennox dealer, and has 1,050+ Google reviews for HVAC and 340+ for plumbing.

Popular Services in Leander

• AC repair for every major brand
• AC system replacement with posted prices
• Furnace and heat pump repair
• Water heater repair and replacement
• Drain cleaning and camera inspections
• Koala Club twice-yearly HVAC inspections

Leander HVAC & Plumbing FAQs

How quickly can you get to Leander?

Leander is a short drive from our Round Rock base. Call (512) 759-8800 and we'll confirm your appointment window the same day.

Why is my upstairs so much hotter than downstairs?

Heat rises, and a single system serving two floors often can't keep up upstairs. Airflow fixes, duct sealing, zoning or a second system can help, and we'll measure your home before recommending one.

Do you install tankless water heaters in Leander?

Yes. We're Navien Certified Installers and install tank and tankless water heaters. In mineral-heavy water, a tankless unit should be flushed regularly to keep it efficient.

What does a service call cost in Leander?

$131, or $49 for Koala Club members, and the member fee is waived when you have paid work done. Diagnosis is included, and you see the published repair price before we start.

Is Lake Travis water hard on my plumbing?

It carries enough dissolved minerals to leave scale in water heaters, faucets and fixtures over time. A yearly water heater flush helps, and a water softener protects the whole home. We can test your water during any plumbing visit and tell you whether a softener is worth it for your house.

Should I repair or replace an older system in Leander?

If your system is under 10 years old and the repair is modest, repairing it usually makes sense. If it's 12 to 15 years old, uses R-22, or needs a compressor or coil, we'll show you the repair price next to replacement options so you can compare the real numbers and decide.

Do you service homes in Crystal Falls and Travisso?

Yes. We serve all of Leander, including Crystal Falls, Travisso, Mason Hills, Bryson and Old Town, plus nearby Cedar Park and Liberty Hill.

Backed by Our 100% Satisfaction Guarantee

Every job we do — every repair, every install, every service call — is backed by our written 100% Satisfaction Guarantee. If we can't make you happy, we'll remove our equipment and refund every dollar.