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 gas furnace or adding cooling in East Palo Alto? HAXX sizes the heat pump to the house, checks the panel and pulls the City permit.
Serving University Village, University Square, the Gardens, Palo Alto Park, the Weeks Neighborhood and Runnymede and the rest of East Palo Alto. 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.
East Palo Alto has had building electrification reach codes since 2020, updated in 2023. They focus mainly on new construction, so a heat pump in an existing home is usually the owner's choice.
Many East Palo Alto houses are compact single-story homes. A room-by-room load calculation keeps the system from being oversized, which affects comfort and efficiency.
WestLight Energy (formerly Peninsula Clean Energy) serves San Mateo County, including East Palo Alto, and lists heat pump rebates for replacing gas equipment. Confirm eligibility and terms directly with WestLight Energy.
In mapped flood areas, outdoor equipment may need to sit above a set elevation. HAXX plans pad or bracket height around City requirements.
Rated 4.8 across 515+ reviews on Housecall Pro, Google and Facebook. Read more reviews.
“Their technician was professional, honest, and took the time to explain the problem and the repair process clearly. Instead of pushing for an expensive replacement, they repaired our HVAC system and helped us save a significant amount of money. The work was completed carefully, and our air conditioner is now working well.”
“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.”
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.
The City's reach code page describes requirements aimed at new construction and does not list a furnace-replacement rule for existing homes. Confirm current rules with the City Building Division.
The City accepts building permit applications electronically by email to the Building Division. HAXX prepares and submits the application and attends 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.
