Load calculation and sizing
Equipment is sized to the house, not to the old furnace label. Oversized systems short cycle and cost more.
Swapping a gas furnace for a heat pump in Ross? HAXX sizes the system to the house, checks the panel and files the Town of Ross permits.
Serving Ross Common, Bellagio Road, Madrona Avenue, Loma Linda Avenue and the Sir Francis Drake corridor near Town Hall and the rest of Ross. 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.
Ross homes tend to be large, with additions built over many decades. A good heat pump plan starts with a load calculation for each wing, not a match to the old furnace size.
Large homes often get two ducted systems, or a ducted system for the main floors and ductless heads for an addition or upper level.
MCE lists a heat pump HVAC rebate scaled by home size for owner-occupied single-family homes. Confirm current terms with MCE.
Heat pump work is permitted through the Ross Building Division. Inspections are scheduled through the Building Division's inspection line.
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.
MCE, the Town's electricity provider, lists rebates for heat pump heating and cooling and for heat pump water heaters. Eligibility rules and amounts change, so confirm with MCE before you sign.
A 2023 Town staff report showed Ross had not adopted the Marin County model reach code. Confirm current rules with the Ross Building Division. Separately, Air District rules limit sales of new gas furnaces from 2029.
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.
