HVAC guides & straight answers
Commercial HVAC, refrigeration, heat pumps, rebates and Washington energy compliance, written by the people who do the work.
Heat pump water heaters for restaurants, apartments and businesses: a practical guide
How commercial heat pump water heating works, where it fits, how to size it, and the Washington rebates that help pay for it.
Commercial electrification rebates in Western Washington (2026)
The utility and state incentives for commercial heat pumps, VRF, heat pump water heaters and controls around Seattle and Puget Sound, as…
How commercial HVAC equipment financing works (and what it covers)
Commercial HVAC and refrigeration financing explained: project sizes, terms, what’s covered and how the application works.
Washington Clean Buildings Tier 2: what owners of 20,000–50,000 sq ft buildings need to know
Washington’s Clean Buildings Tier 2 covers commercial buildings 20,001–50,000 sq ft and multifamily over 20,000 sq ft. Here’s what’s due and how…
Wildfire smoke and your building: filtration and ventilation basics
How to keep wildfire smoke out of offices, schools, restaurants and homes in Western Washington: filters, ventilation settings and planning.
Oregon Building Performance Standard: who’s covered and when it’s due
Oregon’s Building Performance Standard (HB 3409) tiers, 2028–2030 deadlines, penalties and BERI incentives, in plain English.
Repair or replace a commercial rooftop unit? A Western Washington guide
How to decide whether to repair or replace an RTU in Washington, including the energy code heat pump requirement that catches owners…
Walk-in cooler running warm? The 7 most common causes
Why walk-in coolers run warm, what you can check yourself, and when to call a refrigeration tech. From a Seattle-area refrigeration contractor.