Energy Efficient System LLC

Report card

• Licence activeWashington L&I #ENERGES843Q9, Heating/Vent/Air-Conditioning And Refrig (Hvac/R). Issued 29 Nov 2016, expires 5 Feb 2027.
• Licensed 10 yrsSince 29 Nov 2016.
• Bonded$15,000 with Contractors Bonding & Insurance Co, since 29 Nov 2024. Washington sets the bond by licence type ($30,000 for a general contractor, $15,000 for a specialty contractor, $4,000 for an electrical contractor), so the amount shows the kind of licence, not the size or quality of the business.
• Liability insuredState National Ins Co Inc, $1,000,000, valid to 2 Aug 2027.
• No complaintsNone on the Washington L&I record.Washington L&I record
• 33 building permits since 2020Naming this business as the contractor (City of Bellevue; City of Seattle), most recently 14 Oct 2025.

Checked against the Washington State Department of Labor & Industries (L&I) register on 4 Nov 2026.

Recent permits

Building permits pulled under licence #ENERGES843Q9, from City of Bellevue; City of Seattle open data, which names contractors up to 2 Nov 2026. Locations are shown to ZIP code only.

• 14 Oct 2025 · Single Family/Duplex Trade · ZIP 98112Install gas fireplace insert
• 27 Aug 2025 · Single Family/Duplex Trade · ZIP 98115Install gas fireplace into residence
• 15 Feb 2024 · Mechanical No Plan Review · ZIP 98006A Single Family Residential New Structure None Project Involving (1 Furnace <= 100,000 BTU, 1 Heat Pump ), 21 132004 BR
• 11 Sep 2023 · Single Family/Duplex Trade · ZIP 98115New HVAC system and ducting for remodel
• 1 Sep 2023 · Single Family/Duplex Trade · ZIP 98122install two heat pumps with indoor multizone units

Why it ranks #21 of 36 HVAC contractors in Seattle

Score 49.9 / 100. Claiming this listing or using Theo never changes it. How we rank