About us

When comfort issues arise, you want solutions that are timely, precise, and tailored to your home. The crew at Next Day Air & Heating is trained to troubleshoot HVAC challenges of all kinds and recommend practical fixes, replacements, or upgrades that fit how you live. We provide AC Repair & Installation for cooling performance, Heating Repair & Installation for steady warmth, and Indoor Air Quality services to address dust, allergens, or stale air. If hot water is inconsistent or your tank is aging, our team handles Water Heaters and offers water heater installation with careful sizing, venting, and safety checks. We also emphasize clean workmanship, respectful service, and honest communication from the first call through final testing. Whether you’re planning a system refresh or need urgent help getting your home back to normal, we bring the same professional approach to every visit. Proudly serving Cotati, California, we focus on comfort, reliability, and long‑term value in every appointment.