Glendale Heating & Air Conditioning
Seattle, WA Indoor Air Quality · #2 of 4 · 88+ yrs
At a glance
- Google rating
- 4.8★ from 705+ reviews
- In business
- 88+ years
- Service area
- Seattle, WA + 1 nearby
- Phone
- +1-206-243-7700
Overview
Air purification is a named specialization on Glendale's site with whole-home options noted. Glendale Heating notes flat-rate quotes and same-week appointment availability. Glendale Heating has operated from the Seattle area since 1938, listed as 85+ years in business. Their site emphasizes humidifier and dehumidifier installs for Seattle's mild, humid maritime climate.
Indoor air quality installs across Seattle and nearby King and Pierce County communities. Air purification is listed, including whole-home purifier options (per their site). ERV/HRV ventilation and whole-house humidifier and dehumidifier installations are listed. Same-week appointments are commonly available, per their scheduling statement.
Score breakdown
Above the Seattle, WA Indoor Air Quality average of 78/100. Ranks #2 of 4 listed Indoor Air Quality providers in Seattle, WA.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. Seattle average
| Signal | Glendale Heating & Ai… | Seattle avg | Delta |
|---|---|---|---|
| Vouched Score | 82/100 | 78/100 | +4 vs avg |
| Google rating | 4.8★ | 4.8★ | matches city average |
| Review volume | 705+ | 1,835+ | -1132 vs avg |
| Years in business | 88+ | 42+ | +46 vs avg |
What customers say
Pros
- High Google rating (4.8★ across 705+ reviews)
- Long-established (88+ years in business)
When to choose them
- You need to finance the work
- You prefer a family-owned operation
- You want a top-rated provider with substantial review history (4.8★, 705+ reviews)
- You value a long-tenured local operator (88+ years in business)
- You want a BBB-rated firm specifically
Service area
Published pricing
Maintenance plans
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Comfort Club
As published: Comfort Club"…i-Split Heat Pump Heat Pumps Air Quality Services Comfort Club Humidifier Installation Dehumidifier Installation…"
Estimates
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Free estimates
As published: Free estimates"…uality. Ask us how! And remember, we always offer free estimates of our work, so don’t hesitate to get in touch to…"
Contact & hours
Frequently asked questions
What are the pros of Glendale Heating & Air Conditioning?
When should I choose Glendale Heating & Air Conditioning?
What is the Vouched Score for Glendale Heating & Air Conditioning?
How long has Glendale Heating & Air Conditioning been in business?
How can I contact Glendale Heating & Air Conditioning?
What does indoor air quality service typically cost when working with a Seattle, WA provider like Glendale Heating & Air Conditioning?
What pricing terms does Glendale Heating & Air Conditioning publish on their website?
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Glendale Heating & Air Conditioning (this company) |
82/100 | 4.8★ (705+) | 88+ |
Brennan Heating, Air Conditioning, & Electric ⭐ Best for Whole-Home Air Purification · ⭐ Best for Humidity Control |
82/100 | 4.5★ (2,240+) | 39+ |
Greenwood Heating and Home Services ⭐ Highest Vouched Score |
88/100 | 4.9★ (4,725+) | 105+ |
| 72/100 | 4.8★ (225+) | 10+ |
Listed in
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Profile last updated July 20, 2026.