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AC & heating repair · Gladstone, Missouri

AC repair and HVAC service in Gladstone, MO

AC quit, heat pump struggling, or a system near the end of its life? In Gladstone, 27% of homes heat with electricity[1] and half were built before 1973. Request service from HVAC contractors working here. Gladstone, in Clay County — ZIPs 64118, 64119, counts 27,497 residents (2025 estimate)[2].

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Gladstone HVAC snapshot: the key figures

Population (2025 est.)
27,497[2]+1.6% since 2020
County
Clay[2]
Land area
8.1 sq mi[3]
Population density
3,403 / sq mi[2][3]
Homes heated with electricity
27%[1]the 5th-highest share of the 14 Kansas City–area suburbs we cover
Homes heated with utility gas
71%[1]plus 2% propane/LP
Heat & excessive-heat days, clay zone
1[4]2016–2025
Winter-storm & freeze days, clay zone
15[4]2016–2025; heating demand and freeze-related furnace failures
Lightning-damage reports within 10 mi
0[4]2016–2025; power surges damage HVAC control boards
Damaging-wind reports within 10 mi
135[4]2016–2025; wind-blown debris damages outdoor condenser units
Homes built before 2000
87%[1]of 12,476 housing units
Median year built
1973[1]the 4th-oldest of the 14 Kansas City–area suburbs we cover

What the local data means for HVAC in Gladstone

Gladstone is one of the most established suburbs tracked here — 27,497 people (2025 estimate), up just 1.6% since 2020[2]. The city spans 8.1 square miles at 3,403 residents per square mile (the 1st densest) and sits entirely in Clay County, served by ZIP codes 64118, 64119[3].

Only 5% of Gladstone's homes were built in 2010 or later, against 87% before 2000[1] — most systems here are past any builder warranty, and older homes often keep their original ductwork.

Mail to Gladstone goes through 2 ZIP codes — 64118 (65% of the city's land), 64119 (33% of the city's land)[5].

The closest tracked neighbours are Liberty (7.7 mi E), Parkville (7.8 mi W) and Independence (14.2 mi SE)[3].

27% of occupied Gladstone homes heat with electricity, 71% with utility gas and 2% with propane[1] — the 5th-highest electric share of the 14 Kansas City–area suburbs we cover; nearby, Liberty (24%), Parkville (23%), and Independence (20%) heat electrically. Gas heat means a furnace plus a separate AC condenser.

Clay County forecast zone, 2016–2025: 1 heat or excessive-heat day (latest Aug 19, 2023) and 15 winter-storm or hard-freeze days[4].

Storm exposure for HVAC hardware: 0 lightning-damage reports within 10 miles; 135 damaging-wind reports within 10 miles in 2016–2025[4]. Most recent: Oct 18, 2025, 8.1 miles from the city center.

87% of Gladstone's 12,476 housing units were built before 2000 and 5% since 2010[1] (pre-2000 share nearby: Liberty (75%), Parkville (46%), and Independence (88%)). Older homes often keep original ductwork.

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: 1 heat or excessive-heat day and 15 winter-storm or freeze days in 2016–2025 — filters, coils and capacitors age faster under long cooling seasons. 0 lightning-damage reports within 10 miles and 135 damaging-wind reports over the same span.

Gladstone storm calendar

Within 10 miles of Gladstone, 2016–2025: 135 damaging-wind reports[4]. Peak: 70% in May, June, and July. Busiest year 2017 (34). Busiest month June 2017 (14). Latest: damaging-wind report, Oct 18, 2025, 8.1 mi out.

JFMAMJJASOND2016201720182019202020212022202320242025Jul 2016: 11Mar 2017: 3May 2017: 7Jun 2017: 14Jul 2017: 5Oct 2017: 5May 2018: 1Jun 2018: 1Aug 2018: 4Jun 2019: 1Jul 2019: 1Aug 2019: 2Jun 2020: 1Jul 2020: 3May 2021: 1Aug 2021: 2Dec 2021: 2Apr 2022: 2Jun 2022: 3Jul 2023: 5Aug 2023: 2Sep 2023: 2Apr 2024: 1May 2024: 4Jun 2024: 2Jul 2024: 5Aug 2024: 3Oct 2024: 10Mar 2025: 2May 2025: 14Jun 2025: 10Jul 2025: 5Oct 2025: 1
Gladstone, 2016–2025
MonthDamaging windLightningAll
Mar5–5
Apr3–3
May27–27
Jun32–32
Jul35–35
Aug13–13
Sep2–2
Oct16–16
Dec2–2
Darker squares, more reports. NOAA Storm Events Database[4].

Get HVAC help in Gladstone

Requests go to AC & heating repair contractors serving the Gladstone area — ZIP codes 64118, 64119.

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Before you pick up the phone: repair or replace? what a good hvac visit covers

The Gladstone numbers behind this page

How Gladstone stacks up against the median suburb we cover (median of 14)[1][4]
MeasureGladstoneMedian of 14Difference
Built 2010 or later5%10%5 pts lower
Damaging-wind reports (10 mi)1359837 more
Built before 200087%76%11 pts higher
Propane / LP heat2.0%1.9%about the same
Electric heat27%25%2 pts higher
Utility-gas heat71%72%2 pts lower
Median year built1973198613 years older

Biggest gaps first. Medians are middle values across the Kansas City–area suburbs we cover, drawn from the same sources.

Gladstone and nearby suburbs, side by side[4][3]
CityFreeze daysLightning reportsDamaging-wind reports
Gladstone150135
Liberty 7.7 mi15096
Parkville 7.8 mi160100
Independence 14.2 mi201132
Kearney 14.5 mi15169
Raytown 16.0 mi202202
Most recent damaging-wind reports within 10 miles[4]
DateWindDistance
Oct 18, 202560 mph (est.)8.1 mi
Jul 16, 202560 mph (est.)9.8 mi
Jul 8, 202560 mph (est.)6.3 mi
Jul 8, 202560 mph (est.)6.9 mi
Jul 8, 202560 mph (est.)5.1 mi
Jul 8, 202560 mph (est.)1.3 mi
How Gladstone's 11,765 occupied homes are heated[1]
Main heating fuelHomesShareMargin of error
Utility gas8,30070.5%±478
Electricity3,13926.7%±404
Bottled or tank gas (propane, butane, etc.)2372.0%±119
No fuel used520.4%±75
Wood280.2%±32
Solar energy90.1%±14
When Gladstone's 12,476 housing units were built[1]
BuiltUnitsShareMargin of error
2020 or later90.1%±16
2010 to 20196435.2%±213
2000 to 20099327.5%±241
1990 to 19991,1739.4%±237
1980 to 19891,69213.6%±254
1970 to 19792,45319.7%±333
1960 to 19692,85622.9%±427
1950 to 19592,38619.1%±348
1940 to 19492371.9%±119
1939 or earlier950.8%±69

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

Gladstone housing and households[1]
MeasureValue
Housing units12,476
Detached single-family8,227 (66%)
Occupied homes11,765
Owner-occupied8,049 (68%)
Renter-occupied3,716 (32%)
Median home value$231,500

ACS 2020–2024 estimates.

ZIP code areas covering Gladstone[5]
ZIP (ZCTA)Share of Gladstone's landShare of the ZIP inside the city
6411865%41%
6411933%18%

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

Common Gladstone HVAC questions

Are heat pumps common in Gladstone?

27% of Gladstone homes heat with electricity[1], which means a heat pump or electric resistance heat.

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

The median home dates to 1973, and 5% 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 Gladstone ZIP codes are covered?

64118 and 64119[5], Clay County. Nearby pages: Liberty (7.7 mi), Parkville (7.8 mi), and Independence (14.2 mi)[3].

A lot of Gladstone homes predate 1980 — what does that mean for HVAC equipment work?

64% of Gladstone's housing units were built before 1980, 21.8% before 1960[1] — the 5th-highest share of the 14 Kansas City–area suburbs we cover. The ductwork in an older house is often original even when the equipment is not — ask for a duct leakage check with any replacement quote.

Sources

  1. Census ACS 2020–2024 5-year (keyless bulk)
  2. Census population estimates, Vintage 2025
  3. Census Gazetteer 2025
  4. NOAA Storm Events Database
  5. Census 2020 ZCTA–place file

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