Peak summer capacity shortfalls
Builder tonnage that “worked” in 1998 often fails in today’s heat waves and tighter envelopes.
Evergreen sits on San Jose’s warmer east side where afternoon heat stresses undersized condensers. Tract homes need honest load calculations — not “same tonnage as the neighbor.”
Large planned neighborhoods with similar floor plans still differ after additions, window replacements, and attic improvements.
East foothill exposure raises design temperatures versus Willow Glen or central San Jose.
Builder tonnage that “worked” in 1998 often fails in today’s heat waves and tighter envelopes.
Matching the old nameplate without a load calc is a common failure mode.
Filtration upgrades matter when regional smoke events hit the South Bay.
City of San Jose mechanical permits + Title 24 / HERS for qualifying changeouts.
East-side foothill exposure and less marine influence raise design loads versus western San Jose neighborhoods.
Yes — see /plans or call (408) 642-8674. Peak-season tune-ups prevent many no-cool emergencies.
Get fast, precise heating & cooling from Precision Heating & Cooling in English or Spanish. Se habla español. Perfection Guaranteed — call now or request service online.
