AC & heating repair · Fontana, California
AC repair and HVAC service in Fontana, CA
AC quit, heat pump struggling, or a system near the end of its life? In Fontana, 20% of homes heat with electricity[1] and half were built before 1989. Request service from HVAC contractors working here. Fontana, in San Bernardino County — ZIPs 92336, 92337, 92335, counts 221,223 residents (2025 estimate)[2].
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The Fontana HVAC picture in brief
- Population (2025 est.)
- 221,223[2]+6.1% since 2020
- County
- San Bernardino[2]
- Land area
- 43.3 sq mi[3]
- Homes heated with electricity
- 20%[1]the 5th-highest share of the 15 Inland Empire suburbs we cover
- Homes heated with utility gas
- 74%[1]plus 1% propane/LP
- Lightning-damage reports within 10 mi
- 1[4]2016–2025; power surges damage HVAC control boards
- Damaging-wind reports within 10 mi
- 1[4]2016–2025; wind-blown debris damages outdoor condenser units
- Homes built before 2000
- 68%[1]of 59,522 housing units
- Median year built
- 1989[1]the 8th-newest of the 15 Inland Empire suburbs we cover
What the local data means for HVAC in Fontana
Fontana is one of the fastest-growing Inland Empire suburbs tracked here: 221,223 people (2025 estimate), up 6.1% since 2020[2]. On the map that's 43.3 square miles holding 5,111 residents per square mile, the 2nd densest of the suburbs here; it sits entirely in San Bernardino County, with ZIP codes 92336, 92337, 92335[3].
Only 11% of Fontana's homes were built in 2010 or later, against 68% before 2000[1] — most systems here are past any builder warranty, and older homes often keep their original ductwork.
3 ZIP codes cover Fontana — 92336 (44% of the city's land), 92337 (32% of the city's land), 92335 (22% of the city's land)[5].
Nearest of the other suburbs we track: Rialto (4.2 mi E), Rancho Cucamonga (6.1 mi W) and Ontario (9.6 mi SW)[3].
20% of occupied Fontana homes heat with electricity, 74% with utility gas[1] — the 5th-highest electric share of the 15 Inland Empire suburbs we cover; nearby, Rialto (24%), Rancho Cucamonga (21%), and Ontario (22%) heat electrically. Gas heat means a furnace plus a separate AC condenser.
Storm exposure for HVAC hardware: 1 lightning-damage report within 10 miles; 1 damaging-wind report within 10 miles in 2016–2025[4]. Most recent: Aug 31, 2017, 8.9 miles from the city center.
68% of Fontana's 59,522 housing units were built before 2000 and 11% since 2010[1] (pre-2000 share nearby: Rialto (90%), Rancho Cucamonga (70%), and Ontario (79%)). Older homes often keep original ductwork.
How air moves through a central system
Air path: return duct, filter, air handler, supply ducts — one clogged filter drags the whole loop down.
Get HVAC help in Fontana
AC & heating repair contractors taking requests around Fontana cover ZIP codes 92336, 92337, 92335.
Before you pick up the phone: repair or replace? what a good hvac visit covers
The Fontana numbers behind this page
| Measure | Fontana | Median of 15 | Difference |
|---|---|---|---|
| Damaging-wind reports (10 mi) | 1 | 2 | 1 fewer |
| Propane / LP heat | 1.0% | 1.9% | 1 pts lower |
| Built 2010 or later | 11% | 10% | 1 pts higher |
| Electric heat | 20% | 19% | 2 pts higher |
| Built before 2000 | 68% | 70% | 2 pts lower |
| Utility-gas heat | 74% | 76% | 1 pts lower |
| Median year built | 1989 | 1989 | same as median |
Biggest gaps first. Medians are middle values across the Inland Empire suburbs we cover, drawn from the same sources.
| City | Lightning reports | Damaging-wind reports |
|---|---|---|
| Fontana | 1 | 1 |
| Rialto 4.2 mi | 1 | 1 |
| Rancho Cucamonga 6.1 mi | 0 | 0 |
| Ontario 9.6 mi | 0 | 0 |
| Eastvale 12.2 mi | 1 | 2 |
| Chino 14.9 mi | 1 | 0 |
| Date | Wind | Distance |
|---|---|---|
| Aug 1, 2017 | 60 mph (est.) | 9.5 mi |
| Date | Distance |
|---|---|
| Aug 31, 2017 | 8.9 mi |
| Main heating fuel | Homes | Share | Margin of error |
|---|---|---|---|
| Utility gas | 43,454 | 74.5% | ±1,077 |
| Electricity | 11,932 | 20.4% | ±848 |
| No fuel used | 1,194 | 2.0% | ±227 |
| Solar energy | 1,050 | 1.8% | ±263 |
| Bottled or tank gas (propane, butane, etc.) | 578 | 1.0% | ±161 |
| Fuel oil, kerosene, etc. | 70 | 0.1% | ±54 |
| Wood | 56 | 0.1% | ±52 |
| Other fuel | 28 | 0.0% | ±27 |
| Built | Units | Share | Margin of error |
|---|---|---|---|
| 2020 or later | 2,301 | 3.9% | ±304 |
| 2010 to 2019 | 4,502 | 7.6% | ±504 |
| 2000 to 2009 | 12,249 | 20.6% | ±729 |
| 1990 to 1999 | 9,266 | 15.6% | ±695 |
| 1980 to 1989 | 14,452 | 24.3% | ±661 |
| 1970 to 1979 | 5,461 | 9.2% | ±584 |
| 1960 to 1969 | 3,591 | 6.0% | ±536 |
| 1950 to 1959 | 5,209 | 8.8% | ±528 |
| 1940 to 1949 | 1,630 | 2.7% | ±309 |
| 1939 or earlier | 861 | 1.4% | ±188 |
ACS 2020–2024 estimates; margins of error are the Census Bureau's 90% intervals.
| Measure | Value |
|---|---|
| Housing units | 59,522 |
| Detached single-family | 45,602 (77%) |
| Occupied homes | 58,362 |
| Owner-occupied | 38,997 (67%) |
| Renter-occupied | 19,365 (33%) |
| Median home value | $586,800 |
ACS 2020–2024 estimates.
| ZIP (ZCTA) | Share of Fontana's land | Share of the ZIP inside the city |
|---|---|---|
| 92336 | 44% | 96% |
| 92337 | 32% | 100% |
| 92335 | 22% | 53% |
Common Fontana HVAC questions
Are heat pumps common in Fontana?
20% of Fontana homes heat with electricity[1], which means a heat pump or electric resistance heat.
How old are Fontana's homes — and their HVAC systems?
The median home dates to 1989, and 11% 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 Fontana ZIP codes are covered?
92336, 92337, and 92335[5], San Bernardino County. Nearby pages: Rialto (4.2 mi), Rancho Cucamonga (6.1 mi), and Ontario (9.6 mi)[3].
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.