HVAC contractors licensed in Washington

Every active Washington license that lists hvac work, sorted by name.

• Master Heating & Cooling LLC
  HVAC · Spokane · #MASTEHC780NK
  Active Insurance expiring soon
• Master Mechanical LLC
  HVAC · Olympia · #MASTEML83373
  Active Insurance expiring soon
• Master Mechanical LLC
  Electrical, HVAC · Olympia · #MASTEML833P3
  Active No insurance on file
• Matuska Heating Services INC
  HVAC · Edmonds · #MATUSHS012KK
  Active Insurance current
• Max Mechanical LLC
  HVAC · Portland · #MAXMEML754NA
  Active Insurance current
• Mayda & Sons Mechanical
  Electrical, HVAC · Silverdale · #MAYDASM825OG
  Active No insurance on file
• Mc General Construction LLC
  HVAC · Everett · #MCGENGC820BD
  Active Insurance current
• Mccleary Htg & a/C LLC
  Electrical, HVAC · Spokane · #MCCLEHA001C2
  Active No insurance on file
• Mccown Crafted INC
  HVAC · Union Gap · #MCCOWCI961RA
  Active Insurance current
• Mccoy Plumbing & Heating INC
  Electrical, HVAC · Moscow · #MCCOYPH000MS
  Active No insurance on file
• Mcdowell & Son INC
  HVAC · Hood River · #MCDOWSI741JC
  Active Insurance current
• Mcfarland Heating & Air LLC
  HVAC · Snohomish · #MCFARHA930JR
  Active Insurance current
• Mcneil Industrial INC
  HVAC · Gretna · #MCNEIII785QS
  Active Insurance current
• Mechanic Craft Heat & Cool LLC
  HVAC · Tacoma · #MECHACH786JF
  Active Insurance current
• Mechanical & Rfrg Serv LLC
  HVAC · Spokane Valley · #MECHARS746LB
  Active Insurance current
• Mechanical Pros LLC the
  HVAC · Pasco · #MECHAPL756LQ
  Active Insurance current
• Mechanical Technical Servs LLC
  HVAC · Darrington · #MECHATS794DU
  Active Insurance current
• Mechpro LLC
  HVAC · Lakewood · #MECHPL*769RL
  Active Insurance expiring soon
• Melink Corp
  HVAC · Milford · #MELINC*881C7
  Active Insurance current
• Mep Mechanical Services LLC
  HVAC · Milwaukee · #MEPMEMS751D2
  Active Insurance expiring soon
• Meridian Heating & Cooling LLC
  HVAC · Kent · #MERIDHC773KJ
  Active Insurance current
• Mesa Energy Systems INC
  Electrical, HVAC · Irvine · #MESAEES777CH
  Active No insurance on file
• Metfab Heating & Cooling LLC
  Electrical, HVAC · Vancouver · #METFAHC838C8
  Active No insurance on file
• Method Energy LLC
  HVAC · Seattle · #METHOEL771ME
  Active Insurance current
• Methodical Mechanical LLC
  HVAC · Marysville · #METHOML741LQ
  Active Insurance current
• Metro Air INC
  Electrical, HVAC · Kirkland · #METROAI9959C
  Active No insurance on file
• Metro Air INC
  HVAC · Kirkland · #METROAI995RC
  Active Insurance current
• Mg Heating & Cooling
  HVAC · Manson · #MGHEAHC761CG
  Active Insurance current
• Mich-Ller Service Tech LLC
  HVAC · Oregon City · #MICHLST744MZ
  Active Insurance current
• Michael Erickson
  Electrical, HVAC · Kent · #MICHAE*837KD
  Active No insurance on file
• Michael-Alan Mechanical INC
  HVAC · Boring · #MICHAMI775DC
  Active Insurance expiring soon
• Midnight Mechanical INC
  HVAC · Vashon · #MIDNIMI753KR
  Active Insurance current
• Mighty Clean Air Ducts LLC
  HVAC · Spokane · #MIGHTCA775Q8
  Active Insurance expiring soon
• Mike's Heating LLC
  HVAC · Burley · #MIKESHL786QB
  Active Insurance current
• Mikes Heating & Air LLC
  HVAC · Lakewood · #MIKESHA766PN
  Active Insurance current
• Mikes HVAC Serv & Retrofit LLC
  HVAC · Spokane · #MIKESHS755RQ
  Active Insurance current
• Mikes Mechanical
  HVAC · Des Moines · #MIKESM*901JR
  Active Insurance current
• Mill Creek Mechanical
  Electrical, HVAC · Walla Walla · #MILLCCM819ML
  Active No insurance on file
• Miller & Team Heating & Ac
  Electrical, HVAC · Zillah · #MILLETHS51U7
  Active No insurance on file
• Miller Mechanical LLC
  HVAC · Lynnwood · #MILLEML761OR
  Active Insurance current
• Mills NW Heating & Cooling INC
  Electrical, HVAC · Chehalis · #MILLSNH782D5
  Active No insurance on file
• Milwaukie Heating & Cooling CO
  HVAC · Milwaukie · #MILWAHC749JG
  Active Insurance current
• Mini Split Pros
  HVAC · Seattle · #MINISSP744L4
  Active Insurance current
• Mmsparc LLC
  HVAC · Spanaway · #MMSPAL*820K5
  Active Insurance current
• Modibuilt LLC
  HVAC · Auburn · #MODIBL*754QD
  Active Insurance expiring soon
• Moffitt Mechanical LLC
  HVAC · Jacksonville Bea · #MOFFIML901KF
  Active Insurance current
• Mogovolt Heating & Cooling
  HVAC · Bothell · #MOGOVHC742K8
  Active Insurance current
• Mohoric Refrigeration
  Electrical, HVAC · Centralia · #MOHORR*847MA
  Active No insurance on file
• Monroe Heating & Refrigeration
  HVAC · Snohomish · #MONROHR159KG
  Active Insurance current
• Moon Security Srvs INC
  Electrical, HVAC · Ogden · #MOONSS*246P8
  Active No insurance on file
• Morgan Mechanical INC
  HVAC · Redmond · #MORGAMI883WT
  Active Insurance current
• Morgan Mechanical INC
  Electrical, HVAC · Redmond · #MORGAMI887BT
  Active No insurance on file
• Morris Plumbing & Heating
  Electrical, HVAC · Eastsound · #MORRIPH004DA
  Active No insurance on file
• Moser INC
  Electrical, HVAC · Spokane · #MOSERI*004C8
  Active No insurance on file
• Mountain Heating & Cooling LLC
  HVAC · Orting · #MOUNTHC812BS
  Active Insurance current
• Mountain Valley Htg & a/C INC
  Electrical, HVAC · Renton · #MOUNTVH962DB
  Active No insurance on file
• Mountain Valley Htg & a/C INC
  HVAC · Renton · #MOUNTVH970N2
  Active Insurance current
• Mps Heating & Cooling LLC
  HVAC · Beaverton · #MPSHEHC858LP
  Active Insurance current
• Mtw Design Services LLC
  HVAC · Fife · #MTWDEDS8341M
  Active Insurance current
• Mtw Design Services LLC
  Electrical, HVAC · Fife · #MTWDEDS834JM
  Active No insurance on file
• Narol Heating & Cooling LLC
  HVAC · Ridgefield · #NAROLHC750O3
  Active Insurance current
• Narrows Heating/Air Cndtng, in
  HVAC · Tacoma · #NARROI*216J3
  Active Insurance current
• Naylor's Appliance/Refrig INC
  Electrical, HVAC · Tonasket · #NAYLOAI008C9
  Active No insurance on file
• Naylors Appliance & Refrigertn
  HVAC · Tonasket · #NAYLOAR035N2
  Active Insurance current
• Nelson Heating LLC
  HVAC · Kalispell · #NELSOHL853DK
  Active Insurance current
• Neudorfer Engineers LLC
  HVAC · Seattle · #NEUDOEL787LN
  Active Insurance current
• New Castle Mechanical LLC
  HVAC · Puyallup · #NEWCACM924OD
  Active Insurance current
• New Era Elite INC
  HVAC · Gold Bar · #NEWEREE741B6
  Active Insurance current
• New Ground Electric LLC
  HVAC · Longview · #NEWGRGE741MS
  Active Insurance current
• Newton's Heating & Cooling LLC
  HVAC · Vancouver · #NEWTOHC756BF
  Active Insurance expiring soon
• Nexrev LLC
  HVAC · Plano · #NEXREL*830RM
  Active Insurance current
• Nextgen Heating & Cooling
  HVAC · Ravensdale · #NEXTGHC753LB
  Active Insurance current
• Nguyen's Heating & Cooling LLC
  HVAC · Snohomish · #NGUYEHC740K1
  Active Insurance current
• Nickoloff Refrig Htg & a/C
  Electrical, HVAC · Yakima · #NICKORH001C8
  Active No insurance on file
• Nikita Refrigeration LLC
  HVAC · Bothell · #NIKITRL831D2
  Active Insurance current
• Noble Plumbing LLC
  Electrical, HVAC · Snoqualmie · #NOBLEPL740M8
  Active No insurance on file
• Norco Heating & Air Cond INC
  HVAC · Spokane · #NORCOHA170RZ
  Active Insurance current
• Nordic Temperature Control INC
  Electrical, HVAC · Burlington · #NORDITC842JM
  Active No insurance on file
• Normal Mechanical LLC
  HVAC · Kent · #NORMAML836KZ
  Active Insurance current
• Normand Mechanical
  HVAC · Naselle · #NORMAM*852KK
  Active Insurance current
• Norstar Heating & Cooling INC
  HVAC · Colville · #NORSTHC923LP
  Active Insurance current
• North Cascades Htg & a/C INC
  Electrical, HVAC · Entiat · #NORTHCH943JJ
  Active No insurance on file
• North Idah Htg/Clng Sltns INC
  HVAC · Dalton Gardens · #NORTHIH806OQ
  Active Insurance current
• North Pacific Mechanical LLC
  HVAC · Hillsboro · #NORTHPM847P8
  Active Insurance current
• North Sound Enviroair
  Electrical, HVAC · Mount Vernon · #NORTHSE746O9
  Active No insurance on file
• North Sound Enviroair
  HVAC · Mount Vernon · #NORTHSE779QA
  Active Insurance expiring soon
• North Star Htg & Cooling LLC
  Electrical, HVAC · Snohomish · #NORTHSH9407L
  Active No insurance on file
• North Star Htg and Cooling LLC
  HVAC · Snohomish · #NORTHSH940PL
  Active Insurance expiring soon
• North West Electric Sltns LLC
  HVAC · Spokane Valley · #NORTHWE798LG
  Active Insurance current
• North Wind Air LLC
  HVAC · Sunnyside · #NORTHWA824JT
  Active Insurance current
• Northern Comfort Htg & Cooling
  HVAC · Arlington · #NORTHCH762OJ
  Active Insurance current
• Northern Hrzon Htng & Air LLC
  HVAC · Newcastle · #NORTHHH777BF
  Active Insurance current
• Northern Management Servs INC
  Electrical, HVAC · Sandpoint · #NORTHMS781DC
  Active No insurance on file
• Northforge Heating & Cooling
  HVAC · Longview · #NORTHHC746MN
  Active Insurance current
• Northpoint Heating/Cooling LLC
  HVAC · Vancouver · #NORTHHL753N2
  Active Insurance current
• Northshore Heating LLC
  HVAC · Arlington · #NORTHHL955JK
  Active Insurance current
• Northstar Hvac, LLC
  HVAC · Ferndale · #NORTHHL773JO
  Active Insurance current
• Northwest Air Solutions LLC
  HVAC · Portland · #NORTHAS747JG
  Active Insurance current
• Northwest Comfort Systems INC
  HVAC · Auburn · #NORTHCS015KK
  Active Insurance current
• Northwest Control Company
  HVAC · Milwaukie · #NORTHCC122D1
  Active Insurance current

Last checked against state records on Oct 6, 2026. How we get this data.