Mountain Air HVAC Service
Heating/Vent/Air-Conditioning and Refrig (HVAC/R) · Walla Walla, WA · License #MOUNTAH832QH
Re-licensed per WA L&I — this registration was replaced.
WA L&I status: RE-LICENSED
Mountain Air HVAC Service is one of 9 Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractors registered in Walla Walla, registered with WA L&I since 2017. Registered longer than roughly half of Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractors in Walla Walla.
How confident can you be in Mountain Air HVAC Service?
Are they licensed, bonded, and insured?
Registration not currently active per WA L&I.
Are they who they say they are?
Not yet verified — Mountain Air HVAC Service hasn't claimed this listing. Own this business? Claim it free.
Do other pros stand behind them?
No endorsements yet from other licensed contractors in Walla Walla.
Do they have jobs on record?
Not yet measured — Mountain Air HVAC Service hasn't run jobs through Subser. Performance data comes from real jobs, not reviews.
Subser doesn't do star ratings or reviews — just verified records. What do these mean?
License facts
- License type
- CONSTRUCTION CONTRACTOR
- Effective date
- Nov 8, 2017
- Expiration date
- Nov 8, 2019
- Suspend date
- Nov 8, 2019
- UBI
- 604189858
- Business type
- Individual
- Phone
- (509) 520-3259
- Location
- Walla Walla, WA 99362
Source: WA L&I contractor registration — checked Nov 12, 2026. Applies to every row above.
Is this your business? Claim it free to verify ownership — takes about two minutes.
Claim this free listingBond & insurance on file
What the bond and insurance requirements mean for homeowners
Registration as a specialty contractor in Washington requires a $15,000 surety bond on file with the Department of Labor & Industries; the general contractor requirement is $30,000.
The bond is a limited fund a homeowner (or subcontractor or supplier) can make a claim against, through the courts, if a registered contractor fails to meet its obligations on a job. Contractors must also keep general liability insurance on file — at least $50,000 in property damage and $200,000 in public liability coverage, or a $250,000 combined single limit — which covers damage the contractor causes, not workmanship disputes. The rows above are the bond and insurance filings L&I publishes for this registration; whether a specific filing applies to a specific project depends on its dates and terms.
What is a Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractor licensed to do in Washington?
An HVAC/R specialty contractor is registered with WA L&I to install and service heating, ventilation, air-conditioning, and refrigeration systems. Electrical and mechanical work within HVAC systems may also require trade licenses administered separately by the state. A $15,000 surety bond and general liability insurance, filed with WA L&I, are required for this registration. Washington currently lists 9 Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractors registered in Walla Walla.
Looking for reviews of Mountain Air HVAC Service?
Subser doesn't have reviews or star ratings. This page shows Mountain Air HVAC Service's WA L&I record — registration status, bond and liability coverage, and principals on file — plus any endorsements from other licensed contractors.
Own Mountain Air HVAC Service? Claim the listing free. Worked with Mountain Air HVAC Service? Endorse them from your own listing.
Other Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractors in Walla Walla, WA
American Air Heating/Clng LLC
ListedHeating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA
License #AMERIAH854PE · $15,000 bond
Blaze 2 Blizzard Htng/Clng LLC
ListedHeating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA
License #BLAZE2B791JB · $15,000 bond
Jim's A Thru Z Rfrg & Htg
ListedHeating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA
License #JIMSTTZ914DE · $15,000 bond
Pro Heating & Air Conditioning
ListedHeating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA
License #PROHEHA784K3 · $15,000 bond
Sure Temp Mechanical LLC
ListedHeating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA
License #SURETTM8981K · $15,000 bond
Thermalwise Heating & Rfrg LLC
ListedHeating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA
License #THERMHR773K3 · $15,000 bond
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Built from Washington State L&I public records, updated Nov 12, 2026. Subser doesn't do star ratings or reviews — just verified records.