
Heat Pumps Installation & Repairs in Los Gatos, CA
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Reliable Heat Pump Systems Services in Los Gatos, California
Los Gatos’ hillside lots and multi-era additions mean ductwork is rarely uniform across a home — some rooms have it, some don’t, and some runs were added decades apart. Air & Plumbing Systems has installed and repaired heat pumps across the Bay Area for over 25 years, matching ducted, ductless, and mini split systems to whatever layout your home actually has.
Why Choose Air & Plumbing Systems?
- Licensed California Contractors: CSLB #901246, with technicians who know Title 24 energy code requirements and local permit processes.
- Ducted and ductless expertise: Full-home ducted heat pumps, ductless mini splits, and multi-zone systems for additions or converted rooms without existing ducts.
- Air source heat pump specialists: Sizing and installing air-to-air systems rated for both Los Gatos summer heat and winter lows.
- Efficiency-first sizing: A correctly sized heat pump can cut heating and cooling costs meaningfully versus an aging gas furnace and separate AC — we calculate the real number for your home during the free assessment.
From a single mini split for a converted garage to a full ducted system for the main house, we size the equipment to your home’s actual layout — not a generic recommendation.
Matching the Heat Pump to Your Home
Air & Plumbing Systems walks you through ducted, ductless, and mini split options based on your home’s actual layout — not a one-size-fits-all pitch. Here’s how the main options compare for a Los Gatos property:
- Ductless Mini Split Heat Pumps
Best for a converted garage, an addition with no existing ducts, or a room that always runs hot or cold. Each zone is controlled independently, so you’re not heating or cooling empty rooms. - Ducted Air Source Heat Pumps
The right call when your home already has sound, well-sealed ductwork. One system handles the whole house evenly and typically costs less to install than multiple mini split zones. - Multi-Zone Systems
One outdoor unit feeding several indoor heads — a practical middle ground for hillside homes with two or three distinct living areas built at different times.
Find the Right Heat Pump for Your Los Gatos Home
Tell us about your home’s layout during a free consultation, and we’ll recommend ducted, ductless, or a multi-zone mix — along with trusted equipment brands like American Standard.

Installation Concerns for Heat Pump Systems
- Sizing Matters: An oversized heat pump short-cycles and wears out faster; an undersized one runs constantly and never quite catches up. We size by room-by-room load calculation, not square footage alone.
- Ducted vs. Ductless: Sound, well-sealed ductwork favors a ducted system; a hillside addition or converted room with no ducts favors a mini split. We check duct condition on-site before recommending either.
- California Compliance: Every install meets California Title 24 energy code and local permit requirements, with paperwork handled so the inspection passes cleanly.
Repair Challenges
- No Heating or Cooling: Often a stuck reversing valve, a failed capacitor, or low refrigerant — we diagnose the actual cause rather than guessing.
- Strange Noises: Banging usually means a loose panel; rattling often points to a worn fan motor; hissing signals a refrigerant leak that needs prompt attention.
- Refrigerant Leaks: Reduced heating or cooling output and ice on the outdoor coil are the usual tells — left unaddressed, they push the compressor toward early failure.
- Thermostat Malfunctions: Loose wiring, dead batteries, or a compatibility mismatch between an older thermostat and a newer heat pump are the most common causes.
- Airflow Issues: Clogged filters and blocked vents are the most common cause — check filters monthly during heavy use season.
Our team offers fast, reliable heat pump repair in Los Gatos. Whether it’s an emergency repair, a full system replacement, or routine maintenance, we’re here to help.

Service & Maintenance Essentials
Keep your heat pump running efficiently year-round with:
- Refrigerant Checks: Low refrigerant is one of the most common causes of reduced heating and cooling output — an annual check catches it early.
- Filter Replacement: Change or clean filters every 1-3 months to prevent airflow restriction and keep the system from overworking.
- Outdoor Unit Clearance: Keep a two-foot clear zone around the outdoor unit — leaves and debris are a common culprit for reduced efficiency in Los Gatos’ wooded neighborhoods.
- Annual Inspections: A spring and fall check-up catches worn parts before they cause a breakdown during peak heating or cooling season.
Need heat pump service in Los Gatos? Contact us for expert maintenance at a clear, upfront rate.

Get a Free Consultation in Los Gatos, CA
Tell us about your heating and cooling needs!
Whether you’re considering a ducted system, a mini split heat pump, or a full HVAC upgrade, our skilled team is ready to help. From installation to repairs and maintenance, we deliver prompt, professional service across Los Gatos.
FAQs
Yes — Los Gatos is part of our regular Bay Area service area. We install and repair ducted, ductless, and mini split heat pumps throughout the town, from the foothill neighborhoods to homes closer to downtown. Call (408) 733-2000 to schedule a free consultation.
Many Los Gatos homes sit on sloped lots or have additions built at different times, which can mean uneven ductwork or none at all in certain rooms. A ductless mini split works well for these spaces since it skips ducting entirely, while a ducted heat pump remains a solid choice for homes with consistent, well-sealed ductwork already in place. We evaluate your specific layout during a free consultation.
Cost depends on the system type — ducted, mini split, or multi-zone — plus your home’s size and existing ductwork. Rather than a rough number over the phone, we assess your home in person and provide a clear, itemized quote before any work begins.
Thermostat issues can stem from a loose wiring connection, dead batteries on battery-powered models, or a communication error between an outdated thermostat and a newer heat pump system. Upgrading to a modern, compatible thermostat often resolves recurring issues while also giving you more precise control over heating and cooling.
Same-day service is usually available if you call earlier in the day. Many “no heat” issues come down to a stuck reversing valve or a dirty filter, so there’s a good chance it’s resolved on the first visit. Call (408) 733-2000 and we’ll get a technician out to you.
Yes. Air & Plumbing Systems is a fully licensed and insured California HVAC contractor (License #901246) with over 25 years of experience, serving Los Gatos and the wider Bay Area. Our technicians handle ducted, ductless, and mini split heat pump installation, repair, and maintenance, with all work backed by warranty.
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