Zoning Control—Multi-Zone Comfort for Ducted Systems

Set different temperatures in different areas—without running two systems. Zoning adds motorized dampers in your ducts plus a zone control panel and thermostats/sensors for each area (e.g., upstairs/downstairs, bedrooms/living). Your system sends air only where it’s needed, so comfort is steadier and equipment runs smarter.

How it works (simple)

Thermostats call for their zones → the control panel opens the right dampers and signals the furnace/air handler or heat pump → airflow is balanced so one zone doesn’t steal from another. With an ECM variable-speed blower, the system ramps to match the active zones.

When zoning makes sense

• Two-story homes with hot upstairs, cool downstairs
• Large/open plans with mixed sun exposure
• Bedrooms and living areas that need different schedules
• Additions/ADUs tied to the main duct system

Key options & components

• Motorized dampers: round or rectangular; retrofit or new trunks/takeoffs
• Zone control panel: coordinates calls from multiple thermostats
• Smart thermostats/sensors: per-zone schedules, app control
• Static pressure management: proper return air, supply sizing, and blower setup (we avoid old-school “bypass” tricks that waste energy)
• IAQ upgrades: high-capacity media filter so added resistance doesn’t choke airflow

Benefits

• Targeted comfort (no more “one temp fits all”)
• Shorter run times when only a few rooms need conditioning
• Quieter operation with variable-speed blowers and correctly set airflow

Installation process

1. On-site assessment: duct sizing, static pressure, zone layout, thermostat wiring, equipment compatibility.
2. Design & written pricing after the visit: zone count, damper locations, controls/thermostats, any duct tweaks.
3. Professional install & setup: dampers, panel, wiring, blower configuration, and safety checks.
4. Balancing & handoff: verify temps/airflow per zone and show you how to use schedules and app control.

Brands we install & service

Honeywell/Home (Resideo), EWC, Aprilaire, Carrier/Bryant, Trane/American Standard, Lennox zoning controls and dampers work with most ECM air handlers/furnaces and many smart thermostats.

Wondering If We Cover Your City?

Our services are just as easy to schedule across multiple parts of the Bay Area. In the South Bay, we serve San Jose, Sunnyvale, Los Gatos, Saratoga, Campbell, Cambrian Park, Cupertino, Mountain View, Los Altos, Palo Alto, and Menlo Park.

On the Peninsula and the West Bay, we provide the same convenient support in Atherton, Redwood City, San Carlos, Belmont, Foster City, and surrounding areas. In the East Bay, we’re available in Fremont, Newark, Milpitas, and Union City—so wherever you are in our service area, help is close by and simple to book.

If you’re not sure whether we cover your neighborhood, just reach out—give us a call or submit a request online. It’s quick, easy, and completely free, and we’ll confirm availability and next steps right away.

Schedule a technician visit for a detailed on-site zoning assessment and written estimate: 510-400-6425.