Dayco Heating & Air Conditioning
Kennewick, WA HVAC · 41+ yrs
ⓘVouched Score is calculated from publicly available signals: Google rating & review count, Yelp rating, BBB grade, review sentiment, years in business, local search ranking, and provider website content. Not a guarantee of service quality.Embed this score
⏱ 41+ years in business
Review sentiment: 92/100
At a glance
- Google rating
- 4.9★ from 1,095+ reviews
- In business
- 41+ years
- Services
- 8 HVAC services
- Service area
- Kennewick, WA
- Phone
- +1-509-586-9464
Overview
Dayco leads with deep ductless and heat-pump experience tied to local projects. The company reports family ownership since 1985 and long tenure. Kennewick's hot summers and winter swings make reliable cooling and heat-pump service essential. Google reviews frequently cite rapid same-day fixes and attentive, polite technicians.
Residential and light-commercial HVAC service across Kennewick and the Tri-Cities area. Family-owned company with 40+ years serving the community. Emergency response is advertised as 24-hour with a 24/7 contact line. Financing available and free estimates are listed on their website.
Score breakdown
Editorial Review
79
46%
Google Rating
97
17%
Local Search Rank
72
9%
Review Sentiment
92
15%
Years in Business
100
4%
Review Volume
82
9%
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
What customers say
Reviewers praise:
fast emergency responsepolite techniciansprofessional installationsclean job sites
Pros
Strengths
- High Google rating (4.9★ across 1,095+ reviews)
- Long-established (41+ years in business)
When to choose them
- You need indoor air quality work
- You need to finance the work
- You prefer a family-owned operation
Consider alternatives if
- You want a BBB-rated firm specifically
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
- Duct Work — Ductwork inspection, sealing, and replacement — addresses leakage, undersized runs, and uneven room temperatures.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
Service area
Kennewick, WAhome
Published pricing
Maintenance plans
-
$18/month + Tax
As published: $18/month + Tax"…Air Conditioners and Heat Pumps. HVAC Maintenance $18/month + Tax. Sign up today – 509.586.9464 LEARN MORE INSTALLA…"
Pricing model
-
Upfront pricing
As published: Upfront pricing"…we say we will. We communicate clearly. We offer upfront pricing, stand by our work, and always make things right…"
Estimates
-
Free estimates
As published: Free estimates"…cuss your HVAC needs with one of our contractors. FREE ESTIMATES Simple complete our online form and Dayco will co…"
Contact & hours
📞
🌐
✉️
📍
🕒
Call to confirm hours
Frequently asked questions
What are the pros of Dayco Heating & Air Conditioning?
Based on public records and customer reviews: High Google rating (4.9★ across 1,095+ reviews); Long-established (41+ years in business); Emergency response: 24-hour; Financing available; Free estimates; Maintenance plans available; Indoor air quality services; Mini-split system specialist.
When should I choose Dayco Heating & Air Conditioning?
Choose them if: You need indoor air quality work; You need to finance the work; You prefer a family-owned operation.
What is the Vouched Score for Dayco Heating & Air Conditioning?
85/100. Top contributing signals: Years In Business 100/100, Google Rating 97/100+ Review Sentiment 92/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How long has Dayco Heating & Air Conditioning been in business?
Dayco Heating & Air Conditioning has been operating for 41+ years in Kennewick, WA.
How can I contact Dayco Heating & Air Conditioning?
Call Dayco Heating & Air Conditioning at +1-509-586-9464. Address: 11 N Auburn St, Kennewick, WA 99336, USA.
What does HVAC service typically cost when working with a Kennewick, WA provider like Dayco Heating & Air Conditioning?
Mini-split typically runs $2,650–$6,900, and duct cleaning runs $370–$845 in Kennewick, Washington. These are area-wide market estimates, not Dayco Heating & Air Conditioning's quotes. For an exact price, request a written estimate from Dayco Heating & Air Conditioning.
What pricing terms does Dayco Heating & Air Conditioning publish on their website?
Dayco Heating & Air Conditioning's website publishes: $18/month + Tax, Upfront pricing, Free estimates. Promotions and plans change — confirm currently-available terms with Dayco Heating & Air Conditioning before acting.
Does Dayco Heating & Air Conditioning do AC Repair in Kennewick, WA?
Yes. Dayco Heating & Air Conditioning lists AC Repair among its services and serves Kennewick, WA. Call +1-509-586-9464 for a quote.
Does Dayco Heating & Air Conditioning do AC Replacement in Kennewick, WA?
Yes. Dayco Heating & Air Conditioning lists AC Replacement among its services and serves Kennewick, WA. Call +1-509-586-9464 for a quote.
Does Dayco Heating & Air Conditioning do Heat Pump Service in Kennewick, WA?
Yes. Dayco Heating & Air Conditioning lists Heat Pump Service among its services and serves Kennewick, WA. Call +1-509-586-9464 for a quote.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Dayco Heating & Air Conditioning (this company) ⭐ Mini-Splits / Ductless · ⭐ Ductwork & Sealing · ⭐ Free Estimates |
85/100 | 4.9★ (1,095+) | 41+ |
Jacobs and Rhodes Heating and Air Conditioning ⭐ Highest Vouched Score · ⭐ Best for New System Installation · ⭐ Best for Smart Thermostat Install |
86/100 | 4.9★ (1,575+) | 65+ |
| 75/100 | 5.0★ (140+) | 8+ |
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Profile last updated July 20, 2026.