llms.txt
+4
+ 13. [Furnace replacement in the Bay Area: what it costs in 2026](https://meetchet.com/guides/furnace-replacement-cost): Published price ranges for a new furnace, the Air District rule for furnaces from 2029, the duct test the Energy Code requires, and what a furnace quote must list.+ 14. [Heat pump heating and cooling in the Bay Area: what it costs](https://meetchet.com/guides/heat-pump-hvac-cost): Published price ranges for a heat pump that heats and cools, Bay Area project costs, the duct and refrigerant tests the Energy Code requires, and current rebates.+ 15. [Roof replacement in the Bay Area: what it costs](https://meetchet.com/guides/roof-replacement-cost-bay-area): Published price ranges for a new roof by material and size, the Bay Area cool roof and permit rules by city, and what a roofing quote has to spell out.+ 16. [Seismic retrofit in the Bay Area: what it costs](https://meetchet.com/guides/seismic-retrofit-cost): Published price ranges for bolting and bracing an older house, the Earthquake Brace + Bolt grant rules, and what San José, Oakland and Berkeley require.