Slab / duct constraints
Limited return paths and old wall furnaces complicate modern central systems.
Lakewood’s older Sunnyvale homes often sit on slabs with aging duct or wall-furnace histories. Bay-influenced humidity means condensate and filtration deserve explicit attention in any upgrade scope.
Expect a mix of mid-century plans and later remodels. Crawlspace vs slab details change duct strategies.
Marine air influence is milder than the coast but still higher than inland San Jose on many evenings.
Limited return paths and old wall furnaces complicate modern central systems.
Bay-adjacent moisture increases drain maintenance needs.
Outdoor unit sound matters on compact lots.
City of Sunnyvale mechanical permits + Title 24 where applicable.
Yes — Lakewood and North Sunnyvale are in our South Bay dispatch area. Call (408) 642-8674.
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