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You're set to Coeur d'Alene. 1st Air Mechanical Inc. holds a Washington registration only — an Idaho job needs an Idaho-registered crew.

HVAC
1A

1st Air Mechanical Inc.

WA L&I registrationEst. 2015

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Credentials & honors

Washington State University's Spokane campus, Spokane Public Schools and Eastern Washington University all appear in the public-works filings of 1st Air Mechanical Inc., an HVAC contractor based in Mead. The work is heating, cooling and refrigeration: installing systems, servicing them and repairing them, mostly in schools, campuses and public buildings around Spokane, usually as a subcontractor to the general contractor running the job.

Those prevailing-wage filings run from 2008 to 2026. Beyond the universities and Spokane Public Schools, the agencies include Spokane County Fire District 9, the Liberty Lake Sewer District, the City of Spokane Valley, Spokane County Purchasing, Chewelah School District and two state departments, Enterprise Services and Social and Health Services. The state insures the business under workers'-comp classes for HVAC-R installation and service and for light sheet-metal fabrication, which points to a shop that makes some of its own ductwork and fittings. The crew runs four to six people. The state lists Tim Davis, Erin Davis and Hislop WM Scott as principals since 2015. The best fit for 1st Air Mechanical is commercial and institutional mechanical work: a school boiler room, a campus air handler, a public building that needs a contractor used to prevailing-wage paperwork and working under a general contractor. Most of its work comes through bids and general contractors, not homeowner calls. A homeowner wanting a furnace tune-up or a new heat pump for a single house will likely find a residential HVAC shop a closer match. HVAC demand in Spokane follows the weather. The first cold snap in fall and the first heat wave in summer bring a rush of no-heat and no-cool calls, and installers book up fast. Replacements and new installs are easiest to schedule in spring and early fall, between those peaks. For school and campus work, summer break is the busy season, since that is when buildings sit empty, so those projects are usually planned and bid well before the school year ends.

WA L&I registration verified October 1, 2026 · see the state record

WA L&I registration
Registration number
1STAIAM851OP
Registered as
1ST AIR MECHANICAL INC
Registration checked
October 1, 2026
Registered since
2015
Expires
September 2027
Contractor bond
$4,000 · Harco National Insurance Co
Check it on the state record
Listed services
01
HVAC installation
02
HVAC service and repair

Ask 1st Air Mechanical Inc. which of these their own crew handles.

The record

The details on 1st Air Mechanical Inc

WA L&I registration
1STAIAM851OP
Registered as
1ST AIR MECHANICAL INC
Registration checked
October 1, 2026
Registered since
2015
Expires
September 2027
Contractor bond
$4,000 · Harco National Insurance Co
Established
2015
Primary trade
HVAC
L&I specialty
HVAC/RFRG
Registered principal
Tim Davis · since 2015
Registered principal
Erin Davis · since 2015
Registered principal
Hislop Wm Scott · since 2015
Based in
Mead

Own this business? Claim the listing to correct anything here.

Before you call

Questions worth asking 1st Air Mechanical Inc

Is 1st Air Mechanical Inc. a registered contractor?

The number you want is 1STAIAM851OP — 1st Air Mechanical Inc.'s Washington State L&I contractor registration, expiring September 2027. Last checked October 1, 2026. Washington's contractor lookup is free and open if you want to confirm it today. The same record shows a $4,000 contractor bond (Harco National Insurance Co). Get current certificates for the bond and the insurance before anyone starts.

What kind of work does 1st Air Mechanical Inc. take on?

1st Air Mechanical Inc. lists these HVAC services: HVAC installation, HVAC service and repair. Ask which of them the crew self-performs and which they sub out.

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