AC & heating repair · Leander, Texas

AC repair and HVAC service in Leander, TX

AC quit, heat pump struggling, or a system near the end of its life? In Leander, 41% of homes heat with electricity^[1] and half were built before 2013. Request service from HVAC contractors working here. Leander, in Williamson County and Travis County — ZIP 78641, counts 91,132 residents (2025 estimate)^[2].

Request help

Is this an AC or heating emergency?

Answer a few questions to see how fast you need help.

Decision guide

Leander HVAC snapshot: the key figures

Population (2025 est.): 91,132^[2]+53.8% since 2020
County: Williamson / Travis^[2]city spans more than one county
Land area: 38.8 sq mi^[3]
Population density: 2,349 / sq mi^[2]^[3]
Homes heated with electricity: 41%^[1]the lowest share of the 15 Austin-area suburbs we cover
Homes heated with utility gas: 56%^[1]plus 2% propane/LP
Heat & excessive-heat days, williamson zone: 5^[4]2016–2025
Winter-storm & freeze days, williamson zone: 23^[4]2016–2025; heating demand and freeze-related furnace failures
Lightning-damage reports within 10 mi: 6^[4]2016–2025; power surges damage HVAC control boards
Damaging-wind reports within 10 mi: 25^[4]2016–2025; wind-blown debris damages outdoor condenser units
Homes built before 2000: 15%^[1]of 27,000 housing units
Median year built: 2013^[1]the 3rd-newest of the 15 Austin-area suburbs we cover

What the local data means for HVAC in Leander

Leander counts 91,132 residents (2025 estimate), growing at a middle-of-the-pack 53.8% since 2020^[2]. It covers 38.8 square miles (2,349 residents per square mile, the 7th densest), spans Williamson County and Travis County, in ZIP code 78641^[3].

With 63% of homes built in 2010 or later^[1], a good share of Leander's equipment may still be under builder or manufacturer warranty; the 15% built before 2000 is where replacement jobs cluster.

The entire city sits in ZIP code 78641^[5].

The tracked suburbs closest by are Cedar Park (5.1 mi SE), Liberty Hill (6.7 mi NW) and Lago Vista (11.4 mi SW)^[3].

41% of occupied Leander homes heat with electricity, 56% with utility gas and 2% with propane^[1] — the lowest electric share of the 15 Austin-area suburbs we cover; nearby, Cedar Park (43%), Liberty Hill (74%), and Lago Vista (79%) heat electrically. Gas heat means a furnace plus a separate AC condenser.

Williamson County forecast zone, 2016–2025: 5 heat or excessive-heat days (latest Aug 20, 2024) and 23 winter-storm or hard-freeze days^[4]. Nearby: Cedar Park (5), Liberty Hill (5), and Lago Vista (8).

Storm exposure for HVAC hardware: 6 lightning-damage reports within 10 miles; 25 damaging-wind reports within 10 miles in 2016–2025^[4]. Most recent: Sep 14, 2023, 4.0 miles from the city center.

15% of Leander's 27,000 housing units were built before 2000 and 63% since 2010^[1] (pre-2000 share nearby: Cedar Park (34%), Liberty Hill (15%), and Lago Vista (41%)). Check builder-installed equipment for a registered warranty.

Among the 15 suburbs tracked here, Leander stands out for the lowest electric-heat share (41%)^[1], the highest gas-heat share (56%)^[1], and the 3rd-newest housing (by median year built) (2013, tied with Dripping Springs)^[1].

How air moves through a central system

How the loop runs: return duct to filter to air handler to supply ducts. A dirty filter slows everything downstream.

Illustration, not to scale. The local workload: 5 heat or excessive-heat days and 23 winter-storm or freeze days in 2016–2025 — filters, coils and capacitors age faster under long cooling seasons. 6 lightning-damage reports within 10 miles and 25 damaging-wind reports over the same span.

HVAC help in Leander: what to do next

AC & heating repair contractors taking requests around Leander cover ZIP code 78641.

Compare HVAC quotes PLACEHOLDER
See another HVAC partner PLACEHOLDER

Before reaching out: repair or replace? what a good hvac visit covers

Leander by the numbers

Leander next to the typical covered suburb (median of 15)^[1]^[4]
Measure	Leander	Median of 15	Difference
Utility-gas heat	56%	37%	19 pts higher
Electric heat	41%	60%	18 pts lower
Built 2010 or later	63%	50%	13 pts higher
Propane / LP heat	1.9%	2.2%	about the same
Built before 2000	15%	17%	1 pts lower
Damaging-wind reports (10 mi)	25	24	1 more
Median year built	2013	2010	3 years newer

Biggest gaps first. Medians are middle values across the Austin-area suburbs we cover, drawn from the same sources.

Leander beside its nearest neighbours^[4]^[3]
City	Heat days	Freeze days	Lightning reports	Damaging-wind reports
Leander	5	23	6	25
Cedar Park 5.1 mi	5	23	7	45
Liberty Hill 6.7 mi	5	23	3	12
Lago Vista 11.4 mi	8	22	3	22
Georgetown 11.7 mi	5	23	1	14
Round Rock 12.3 mi	5	23	4	41

Most recent damaging-wind reports within 10 miles^[4]
Date	Wind	Distance
Sep 14, 2023	75 mph (est.)	4.0 mi
Oct 24, 2022	60 mph (est.)	4.8 mi
May 24, 2022	64 mph (est.)	7.9 mi
May 24, 2022	60 mph (est.)	7.8 mi
Mar 21, 2022	64 mph (est.)	7.5 mi
Oct 27, 2021	64 mph (est.)	5.5 mi

Lightning-damage reports within 10 miles^[4]
Date	Distance
Jul 24, 2017	3.2 mi
Jul 24, 2017	3.0 mi
Jul 24, 2017	5.3 mi
Jul 24, 2017	5.6 mi
Jul 23, 2017	9.7 mi
May 9, 2017	7.6 mi

How Leander's 26,326 occupied homes are heated^[1]
Main heating fuel	Homes	Share	Margin of error
Utility gas	14,676	55.7%	±797
Electricity	10,910	41.4%	±785
Bottled or tank gas (propane, butane, etc.)	501	1.9%	±198
Solar energy	81	0.3%	±73
Other fuel	68	0.3%	±94
No fuel used	67	0.3%	±67
Wood	23	0.1%	±40

When Leander's 27,000 housing units were built^[1]
Built	Units	Share	Margin of error
2020 or later	4,669	17.3%	±611
2010 to 2019	12,228	45.3%	±752
2000 to 2009	5,975	22.1%	±614
1990 to 1999	2,073	7.7%	±348
1980 to 1989	1,371	5.1%	±281
1970 to 1979	351	1.3%	±146
1960 to 1969	223	0.8%	±120
1950 to 1959	0	0.0%	±35
1940 to 1949	31	0.1%	±39
1939 or earlier	79	0.3%	±54

ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.

Leander housing and households^[1]
Measure	Value
Housing units	27,000
Detached single-family	22,267 (82%)
Occupied homes	26,326
Owner-occupied	19,323 (73%)
Renter-occupied	7,003 (27%)
Median home value	$506,200

ACS 2020–2024 estimates.

ZIP code areas covering Leander^[5]
ZIP (ZCTA)	Share of Leander's land	Share of the ZIP inside the city
78641	97%	29%

Dated heat and freeze records for the WILLIAMSON forecast zone: see the county list.

HVAC questions from Leander homeowners

Are heat pumps common in Leander?

41% of Leander homes heat with electricity^[1], which means a heat pump or electric resistance heat.

How old are Leander's homes — and their HVAC systems?

The median home dates to 2013, and 63% were built in 2010 or later^[1]. Your own system may have been replaced since — the outdoor unit's data plate shows when it was made.

Which Leander ZIP codes are covered?

78641^[5], Williamson County. Nearby pages: Cedar Park (5.1 mi), Liberty Hill (6.7 mi), and Lago Vista (11.4 mi)^[3].

My Leander home is fairly new — could the HVAC equipment still be under warranty?

Possibly: 63% of Leander's housing units were built in 2010 or later^[1], the 4th-highest share of the 15 Austin-area suburbs we cover. Check your closing paperwork for warranties before paying for a repair.

Sources

Data pulled Sep 28, 2026. Full citations and method.