AC & heating repair · Tomball, Texas
AC repair and HVAC service in Tomball, TX
AC quit, heat pump struggling, or a system near the end of its life? In Tomball, 49% of homes heat with electricity[1] and half were built before 1994. Request service from HVAC contractors working here. Tomball, in Harris County and Montgomery County — ZIPs 77375, 77377, counts 15,768 residents (2025 estimate)[2].
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Tomball at a glance for HVAC
- Population (2025 est.)
- 15,768[2]+28.1% since 2020
- County
- Harris / Montgomery[2]city spans more than one county
- Land area
- 13.1 sq mi[3]
- Homes heated with electricity
- 49%[1]the 8th-highest share of the 15 Houston-area suburbs we cover
- Homes heated with utility gas
- 50%[1]plus 1% propane/LP
- Heat & excessive-heat days, harris zone
- 1[4]2016–2025
- Winter-storm & freeze days, harris zone
- 4[4]2016–2025; heating demand and freeze-related furnace failures
- Lightning-damage reports within 10 mi
- 7[4]2016–2025; power surges damage HVAC control boards
- Damaging-wind reports within 10 mi
- 26[4]2016–2025; wind-blown debris damages outdoor condenser units
- Homes built before 2000
- 59%[1]of 5,565 housing units
- Median year built
- 1994[1]the 6th-newest of the 15 Houston-area suburbs we cover
Reading the Tomball data for HVAC
Tomball is one of the fastest-growing Houston-metro suburbs tracked here: 15,768 people (2025 estimate), up 28.1% since 2020[2]. On the map that's 13.1 square miles holding 1,200 residents per square mile, the 13th densest of the suburbs here; it spans Harris County and Montgomery County, with ZIP codes 77375, 77377[3].
With 26% of homes built in 2010 or later[1], a good share of Tomball's equipment may still be under builder or manufacturer warranty; the 59% built before 2000 is where replacement jobs cluster.
Tomball is split across 2 ZIP codes: 77375 (89% of the city's land), 77377 (12% of the city's land)[5].
The tracked suburbs closest by are Conroe (18.0 mi NE), Humble (22.5 mi E) and Katy (24.8 mi SW)[3].
49% of occupied Tomball homes heat with electricity, 50% with utility gas[1] — the 8th-highest electric share of the 15 Houston-area suburbs we cover; nearby, Conroe (56%), Humble (65%), and Katy (35%) heat electrically. Gas heat means a furnace plus a separate AC condenser.
Harris County forecast zone, 2016–2025: 1 heat or excessive-heat day (latest Aug 21, 2017) and 4 winter-storm or hard-freeze days[4]. Nearby: Conroe (7), Humble (1), and Katy (1).
Storm exposure for HVAC hardware: 7 lightning-damage reports within 10 miles; 26 damaging-wind reports within 10 miles in 2016–2025[4]. Most recent: Oct 25, 2025, 3.6 miles from the city center.
59% of Tomball's 5,565 housing units were built before 2000 and 26% since 2010[1] (pre-2000 share nearby: Conroe (39%), Humble (82%), and Katy (46%)). Older homes often keep original ductwork.
How air moves through a central system
Return, filter, air handler, supply ducts: a clogged filter slows the whole loop.
Tomball storm calendar
Within 10 miles of Tomball, 2016–2025: 26 damaging-wind reports and 7 lightning reports[4]. Peak: 67% in April, May, and June. Busiest year 2023 (10); 1 of 10 years had none. Busiest month June 2023 (9). Latest: damaging-wind report, Oct 25, 2025, 3.6 mi out.
| Month | Damaging wind | Lightning | All |
|---|---|---|---|
| Jan | 5 | – | 5 |
| Apr | 6 | – | 6 |
| May | 4 | 2 | 6 |
| Jun | 8 | 2 | 10 |
| Jul | – | 1 | 1 |
| Aug | – | 1 | 1 |
| Sep | 1 | – | 1 |
| Oct | 2 | 1 | 3 |
HVAC help in Tomball: what to do next
Requests go to AC & heating repair contractors serving the Tomball area — ZIP codes 77375, 77377.
Before you call: repair or replace? what a good hvac visit covers
The data underneath this Tomball page
| Measure | Tomball | Median of 15 | Difference |
|---|---|---|---|
| Built 2010 or later | 26% | 19% | 7 pts higher |
| Propane / LP heat | 0.6% | 1.0% | about the same |
| Built before 2000 | 59% | 66% | 7 pts lower |
| Median year built | 1994 | 1993 | 1 year newer |
| Electric heat | 49% | 49% | same as median |
| Utility-gas heat | 50% | 50% | same as median |
| Damaging-wind reports (10 mi) | 26 | 26 | same as median |
Biggest gaps first. Medians are middle values across the Houston-area suburbs we cover, drawn from the same sources.
| City | Heat days | Freeze days | Lightning reports | Damaging-wind reports |
|---|---|---|---|---|
| Tomball | 1 | 4 | 7 | 26 |
| Conroe 18.0 mi | 7 | 7 | 2 | 32 |
| Humble 22.5 mi | 1 | 4 | 3 | 33 |
| Katy 24.8 mi | 1 | 4 | 2 | 17 |
| Sugar Land 34.7 mi | 7 | 4 | 6 | 14 |
| Missouri City 37.1 mi | 7 | 4 | 5 | 20 |
| Date | Wind | Distance |
|---|---|---|
| Oct 25, 2025 | 58 mph (est.) | 3.6 mi |
| May 26, 2025 | 64 mph (est.) | 9.9 mi |
| May 28, 2024 | 69 mph (est.) | 9.3 mi |
| May 5, 2024 | 60 mph (est.) | 6.9 mi |
| May 2, 2024 | 64 mph | 8.4 mi |
| Apr 10, 2024 | 62 mph | 4.3 mi |
| Date | Distance |
|---|---|
| Jun 6, 2023 | 8.8 mi |
| May 18, 2021 | 9.1 mi |
| Jun 24, 2019 | 6.0 mi |
| Oct 3, 2019 | 8.4 mi |
| May 20, 2018 | 8.3 mi |
| Jul 9, 2017 | 9.8 mi |
| Main heating fuel | Homes | Share | Margin of error |
|---|---|---|---|
| Utility gas | 2,587 | 49.6% | ±225 |
| Electricity | 2,578 | 49.5% | ±410 |
| Bottled or tank gas (propane, butane, etc.) | 33 | 0.6% | ±24 |
| No fuel used | 8 | 0.2% | ±12 |
| Solar energy | 7 | 0.1% | ±12 |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 628 | 11.3% | ±190 |
| 2010 to 2019 | 835 | 15.0% | ±207 |
| 2000 to 2009 | 806 | 14.5% | ±255 |
| 1990 to 1999 | 839 | 15.1% | ±209 |
| 1980 to 1989 | 1,166 | 21.0% | ±343 |
| 1970 to 1979 | 468 | 8.4% | ±155 |
| 1960 to 1969 | 124 | 2.2% | ±67 |
| 1950 to 1959 | 249 | 4.5% | ±104 |
| 1940 to 1949 | 190 | 3.4% | ±192 |
| 1939 or earlier | 260 | 4.7% | ±200 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| Measure | Value |
|---|---|
| Housing units | 5,565 |
| Detached single-family | 3,241 (58%) |
| Occupied homes | 5,213 |
| Owner-occupied | 2,708 (52%) |
| Renter-occupied | 2,505 (48%) |
| Median home value | $364,300 |
ACS 2020–2024 estimates.
| ZIP (ZCTA) | Share of Tomball's land | Share of the ZIP inside the city |
|---|---|---|
| 77375 | 89% | 33% |
| 77377 | 12% | 4% |
Dated heat and freeze records for the HARRIS forecast zone: see the county list.
Tomball HVAC questions
Are heat pumps common in Tomball?
49% of Tomball homes heat with electricity[1], which means a heat pump or electric resistance heat.
How old are Tomball's homes — and their HVAC systems?
The median home dates to 1994, and 26% 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 Tomball ZIP codes are covered?
77375 and 77377[5], Harris County. Nearby pages: Conroe (18.0 mi), Humble (22.5 mi), and Katy (24.8 mi)[3].
I rent in Tomball. Who arranges the repair?
48% of occupied Tomball homes are rented[1], the 3rd-highest share of the 15 Houston-area suburbs we cover. Tell your landlord or property manager in writing first; your lease says who arranges repairs.
Sources
- Census ACS 2020–2024 5-year (keyless bulk)
- Census population estimates, Vintage 2025
- Census Gazetteer 2025
- NOAA Storm Events Database
- Census 2020 ZCTA–place file
Data pulled Sep 28, 2026. Full citations and method.