AC & heating repair · Kirkland, Washington

AC repair and HVAC service in Kirkland, WA

AC quit, heat pump struggling, or a system near the end of its life? In Kirkland, 49% of homes heat with electricity^[1] and half were built before 1984. Request service from HVAC contractors working here. Kirkland, in King County — ZIPs 98034, 98033, counts 97,410 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

The Kirkland HVAC picture in brief

Population (2025 est.): 97,410^[2]+5.7% since 2020
County: King^[2]
Land area: 17.8 sq mi^[3]
Population density: 5,471 / sq mi^[2]^[3]
Homes heated with electricity: 49%^[1]the 3rd-lowest share of the 15 Seattle-area suburbs we cover
Homes heated with utility gas: 49%^[1]plus 1% propane/LP
Lightning-damage reports within 10 mi: 0^[4]2016–2025; power surges damage HVAC control boards
Damaging-wind reports within 10 mi: 0^[4]2016–2025; wind-blown debris damages outdoor condenser units
Homes built before 2000: 75%^[1]of 41,096 housing units
Median year built: 1984^[1]the 6th-oldest of the 15 Seattle-area suburbs we cover

Reading the Kirkland data for HVAC

Kirkland is one of the fastest-growing Seattle-metro suburbs tracked here: 97,410 people (2025 estimate), up 5.7% since 2020^[2]. The city spans 17.8 square miles at 5,471 residents per square mile (the 1st densest) and sits entirely in King County, served by ZIP codes 98034, 98033^[3].

Only 13% of Kirkland's homes were built in 2010 or later, against 75% before 2000^[1] — most systems here are past any builder warranty, and older homes often keep their original ductwork.

Mail to Kirkland goes through 2 ZIP codes — 98034 (54% of the city's land), 98033 (46% of the city's land)^[5].

The closest tracked neighbours are Redmond (4.3 mi E), Bothell (5.3 mi N) and Bellevue (7.2 mi S)^[3].

49% of occupied Kirkland homes heat with electricity, 49% with utility gas^[1] — the 3rd-lowest electric share of the 15 Seattle-area suburbs we cover; nearby, Redmond (59%), Bothell (51%), and Bellevue (52%) heat electrically. Electric heat usually means one outdoor unit doing both jobs.

Storm exposure for HVAC hardware: 0 lightning-damage reports within 10 miles; 0 damaging-wind reports within 10 miles in 2016–2025^[4].

75% of Kirkland's 41,096 housing units were built before 2000 and 13% since 2010^[1] (pre-2000 share nearby: Redmond (60%), Bothell (61%), and Bellevue (73%)). Older homes often keep original ductwork.

Among the 15 suburbs tracked here, Kirkland stands out for the 3rd-lowest electric-heat share (49%)^[1] and the 3rd-highest gas-heat share (49%)^[1].

How air moves through a central system

Return, filter, air handler, supply ducts: a clogged filter slows the whole loop.

Illustration, not to scale. 0 lightning-damage reports within 10 miles and 0 damaging-wind reports in 2016–2025.

Get HVAC help in Kirkland

AC & heating repair contractors taking requests around Kirkland cover ZIP codes 98034, 98033.

Compare HVAC quotes PLACEHOLDER
See another HVAC partner PLACEHOLDER

Before you call: repair or replace? what a good hvac visit covers

The data underneath this Kirkland page

Kirkland next to the typical covered suburb (median of 15)^[1]
Measure	Kirkland	Median of 15	Difference
Propane / LP heat	0.8%	1.1%	about the same
Utility-gas heat	49%	40%	8 pts higher
Electric heat	49%	56%	7 pts lower
Built before 2000	75%	73%	2 pts higher
Median year built	1984	1985	1 year older
Built 2010 or later	13%	13%	same as median

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

How Kirkland's 38,771 occupied homes are heated^[1]
Main heating fuel	Homes	Share	Margin of error
Electricity	19,130	49.3%	±920
Utility gas	18,823	48.5%	±786
Bottled or tank gas (propane, butane, etc.)	301	0.8%	±106
Fuel oil, kerosene, etc.	180	0.5%	±104
No fuel used	158	0.4%	±124
Wood	75	0.2%	±54
Other fuel	75	0.2%	±70
Solar energy	29	0.1%	±24

When Kirkland's 41,096 housing units were built^[1]
Built	Units	Share	Margin of error
2020 or later	1,470	3.6%	±297
2010 to 2019	3,744	9.1%	±447
2000 to 2009	5,193	12.6%	±598
1990 to 1999	5,373	13.1%	±527
1980 to 1989	7,418	18.1%	±615
1970 to 1979	9,289	22.6%	±677
1960 to 1969	6,036	14.7%	±566
1950 to 1959	1,185	2.9%	±248
1940 to 1949	416	1.0%	±113
1939 or earlier	972	2.4%	±249

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

Kirkland housing and households^[1]
Measure	Value
Housing units	41,096
Detached single-family	21,995 (54%)
Occupied homes	38,771
Owner-occupied	23,576 (61%)
Renter-occupied	15,195 (39%)
Median home value	$1,115,400

ACS 2020–2024 estimates.

ZIP code areas covering Kirkland^[5]
ZIP (ZCTA)	Share of Kirkland's land	Share of the ZIP inside the city
98034	54%	99%
98033	46%	88%

Kirkland HVAC questions

Are heat pumps common in Kirkland?

49% of Kirkland homes heat with electricity^[1], which means a heat pump or electric resistance heat.

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

The median home dates to 1984, and 13% 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 Kirkland ZIP codes are covered?

98034 and 98033^[5], King County. Nearby pages: Redmond (4.3 mi), Bothell (5.3 mi), and Bellevue (7.2 mi)^[3].

Sources

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