Load calculation and sizing
Equipment is sized to the house, not to the old furnace label. Oversized systems short cycle and cost more.
Replacing a furnace or old AC in Woodside? HAXX sizes heat pumps for large, spread-out homes and plans the electrical side before equipment is ordered.
Serving Woodside Glens, Woodside Hills, Woodside Heights, Skywood Acres, Los Robles and the Skyline Boulevard area and the rest of Woodside. Share your address to confirm availability.

A heat pump replaces a furnace and AC with one system for heating and cooling. Good results come from sizing, layout and electrical planning done before equipment is ordered.
Equipment is sized to the house, not to the old furnace label. Oversized systems short cycle and cost more.
Keep existing ducts when they are in good shape, or go ductless where ducts are missing, leaky or impossible to run.
HAXX electricians review the panel and service before the install, so a surprise panel upgrade does not appear mid-project.
Mitsubishi Electric and American Standard systems, among others, matched to the home and budget.
HAXX pulls the mechanical and electrical permits and meets the city inspector.
We point you to the rebates your address qualifies for and provide the equipment documentation programs ask for.
Woodside builds to the 2025 California codes, in effect since January 1, 2026. Heat pump permits go to the Town's Building Division, and WestLight Energy (formerly Peninsula Clean Energy) offers rebates when a heat pump replaces fossil fuel heating.
Large rooms, high ceilings and wings added over the decades often call for zoned or multiple systems. HAXX runs a room-by-room load calculation.
WestLight Energy lists rebates for heat pumps that replace gas or other fossil fuel heaters, plus zero-interest financing. Confirm current terms with WestLight before you sign.
Woodside accepts permit applications by email to its project managers, and some permits through the eTRAKiT portal. HAXX prepares and submits the paperwork.
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“Thorough diagnostics of A/C system, identified and repaired the issue quickly!”
“Service was performed well and on time. Service person was highly skilled and provided easy to understand options to deal with the issue. Price for diagnostics was reasonable and easy to pay online.”
“Our commercial building had several HVAC problems, and their team carefully diagnosed each unit, explained the available options, and never pressured us into unnecessary replacements. They worked hard to repair what could be repaired and kept us informed throughout the process.”
Existing equipment, home layout and what you want to improve.
Sizing, airflow, equipment placement and electrical needs.
Options, exclusions, permit requirements and any eligible incentives.
Confirm equipment, scheduling and handover details with HAXX.
A closer look at recent heating and cooling work by HAXX.

On site during a commercial VAV box repair: access above a suspended ceiling, equipment and the work in progress.
Explore recent projects
Heat pump installation.

Outdoor heat pump installation.

Heat pump air handler installation.

Heat pump air handler service.

Lennox ac installation.

Compressor replacement.

Mitsubishi leak detection.

Leaking coil replacement.
Yes. WestLight Energy (formerly Peninsula Clean Energy) offers rebates for heat pumps that replace fossil fuel heating, and the Town's electrification page also points to BayREN and PG&E programs. Amounts change, so verify before you sign.
Yes. HAXX applies for the mechanical and electrical permits with the Town of Woodside and is present for the inspection.
Yes. Bay Area winters are mild, and correctly sized heat pumps heat comfortably through them. Sizing and duct condition matter more than the brand.
Most single-system replacements take one to three days on site. Permits, equipment lead times and any electrical work add to the overall timeline.
Share the property, equipment and questions you have in mind.
(408) 901-8315
Call HAXX to discuss your property and scheduling.
