Load calculation and sizing
Equipment is sized to the house, not to the old furnace label. Oversized systems short cycle and cost more.
Heat pump installation in Walnut Creek, sized for hot inland summers, with the panel reviewed and the city permit filed.
Serving Northgate, Rancho San Miguel, Parkmead, Walnut Heights, Larkey Park and Rossmoor and the rest of Walnut Creek. 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.
Walnut Creek gets its electricity through MCE, which offers its own heat pump rebates to qualifying single-family owners. The city requires a permit for any new, relocated or replaced HVAC system.
Cooling load drives sizing here more than heating. HAXX runs a room-by-room load calculation instead of matching the old unit's tonnage.
MCE lists rebates for heat pump heating and cooling based on home size. Check the latest terms with MCE.
Walnut Creek takes building permits only through its Online Permit Portal. HAXX files the application and meets the inspector.
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“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.
MCE lists rebates for heat pump HVAC and heat pump water heaters for owner-occupied single-family homes. Confirm current amounts and eligibility with MCE.
Yes, when it is sized for the actual cooling load. Variable-speed models from American Standard and Mitsubishi Electric hold capacity well in high heat.
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.
