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Summer
June to September, and getting longer. A lot of the cooling equipment in this city was fitted for a milder decade than the one it is now working in.
In houses
What summer looks like in a Spokane house
- It is not coolingCapacitor, contactor, a tripped safety or a condenser coil packed with cottonwood. Common parts are on the van.
- Upstairs never catches upReturn sizing and attic duct losses far more often than capacity. Measured at the register before anybody talks about equipment.
- Retrofitting cooling to an old housePlenty of houses here were built with heating only. Ductless heads, adding a coil to existing ducts, or a full ducted system — each is right for a different house.
- Smoke weeksFiltration is limited by what your system can carry. We measure static pressure before recommending a filter, because a denser filter your system cannot carry filters less air overall.
- The bill jumpedA dirty coil, a stuck damper, or duct losses in an attic that is far hotter than the air being pushed through it.
- It runs all afternoonOn a genuinely hot day that can be correct. It is a fault when the house still loses ground, and that is measurable.
In buildings
What summer looks like on a site
- Rooftop units losing capacity quietlyCoils loaded with seed and dust. They do not fail; they just stop keeping up, and nobody can say when it started.
- EconomisersFree cooling for a large part of the year in this climate, and the first thing to fail without telling anybody.
- West elevationsThe complaints come from the same side of the building every afternoon, and the answer is rarely more capacity.
- Smoke-season readinessKnowing which units can go to minimum outdoor air, who changes the setting and who puts it back. Worth agreeing in writing before it is needed.
- Server and comms roomsThe one space that does not care what the season is, and the one most likely to be cooled by something nobody has serviced.