Furnace & heating
AC repair
Ductless mini splits
TraneSeasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateFast, Reliable Heat Pump Installation Across San Marino
A heat pump installation in San Marino typically runs between $3,500 and $7,500, depending on home size, ductwork, and design review requirements. We get the job done right the first time, with the price in writing before any work begins. Call (626) 657-5344 for a free estimate.
San Marino is not a cookie-cutter market. The homes off Huntington Drive and around Lacy Park were built in the 1920s through the 1950s, and many have plaster walls, no attic to speak of, and a city design review board that takes visual impact seriously. That changes how a heat pump gets installed. Our crews know the side streets, know the setbacks, and know where a condenser can and cannot go. When we arrive at a home on Orlando Road or near the Huntington Library grounds, we’re not figuring it out on the fly. We’ve done this before in this exact neighborhood.
Marco Benitez leads our Heat Pump Installation team, and he holds every job to The Garrison Standard: arrive inside the window, price in writing before work starts, do the job by the book, leave the site clean, and stand behind the work for a full year. That’s not a pitch. It’s the operating code for every Dalton Heating & Air Pasadena job.
Why Dalton Heating & Air Pasadena Is San Marino’s Preferred Heat Pump Installation Company
San Marino homeowners have a low tolerance for crews that show up late, quote one number over the phone and a different number at the door, or leave a side yard looking like a construction site. We hear it on almost every first call. A homeowner near The Huntington had two other companies walk through before us, and both wanted to place a rooftop unit that city design review would never approve. We flagged it in the first ten minutes and saved them from a costly relocation order.
Our reputation in San Marino is built on that kind of local knowledge. We know that hvac equipment has to be nearly invisible here. We know that a heat pump condenser hidden behind a lattice screen in a side yard needs extra clearance and careful airflow design or it’ll short-cycle and burn out a compressor during a 100°F August afternoon. Those are not generic HVAC talking points. That’s San Marino-specific reality.
When you call Dalton Heating & Air Pasadena for heat pump work in San Marino, you get a background-checked, uniformed technician who knows the area. We answer the phone with a live person, 24/7. We give you a written price before any work starts. And every repair carries a written guarantee for a full year. If the work fails inside that window, we come back at no charge. That’s The Garrison Code, and it applies to every job in San Marino, from a small heat pump service call near Valentine Elementary to a full replacement on a two-story estate off Lombardy Road.
Styles & brands we work with
Heat Pump Service in San Marino
Heat Pump Service in San Marino covers the maintenance and repair work that keeps an existing system running efficiently through our hot, dry summers and mild, wet winters. A service call in San Marino typically runs $150 to $650, depending on what’s wrong. Most routine service visits fall between $150 and $250, while repairs requiring parts like a reversing valve or a compressor-related diagnosis can push toward the higher end.
Scheduled Maintenance and Tune-Ups
San Marino heat pumps work hard from June through October. Dust from the San Gabriel Valley settles on coils, and high head pressure from a dirty condenser is one of the most common issues we see. A tune-up in San Marino runs $80 to $200. We check refrigerant charge, coil condition, airflow, and electrical connections, then give you a written report of what we actually found. Our technicians are not paid on what they sell, so the report tells you what needs attention and what doesn’t.
Repair Diagnostics on Older Systems
Many San Marino homes still run heat pumps installed in the 1990s and early 2000s. When one of those systems fails, the first step is an accurate diagnosis. We test the compressor, the reversing valve, the defrost board, and the air handler before quoting anything. You get a written price for the repair before we start, and the repair is guaranteed in writing for a full year. If the fix doesn’t hold, we return at no charge.
Heat Pump Replacement in San Marino
Heat Pump Replacement in San Marino usually means pulling out an aging or failed system and installing a new one sized correctly for the home, the ductwork, and the city’s equipment-siting rules. A full replacement in San Marino runs $3,500 to $7,500. The spread comes down to system capacity, whether ductwork needs modification, and how much extra engineering the design review requirements demand.
Retrofit Replacements for Older Homes
Replacing a heat pump in a 1930s Spanish Colonial Revival is not like swapping a unit on a newer tract home. The original home likely had no central air. There may be no attic. Plaster walls don’t give you easy chases for new duct runs. When an existing heat pump wasn’t sized or ducted correctly in the first place, a simple swap just recreates the same problems. We measure static pressure, confirm duct sizing, and correct airflow before we commission the new system. That’s what gets you the SEER2 efficiency you paid for.
Multi-Zone and Multi-System Design
A 4,000-square-foot estate in San Marino rarely heats and cools evenly with one system. We regularly design multi-zone heat pump setups, pairing a ducted system for the main living areas with mini-split cassettes for upstairs bedrooms or a converted sunroom. Each zone gets its own temperature control. Each outdoor unit is placed where design review will approve it and where airflow stays unobstructed. That’s engineering, not guesswork.
Trusted Brands We Service in San Marino
Our technicians are factory-trained on nine major residential HVAC brands, and for San Marino work we most often install and service Carrier, Daikin, Trane, and Lennox. These four cover the range of what San Marino homes typically need, from quiet inverter-driven outdoor units that satisfy design review to high-static ducted systems for older homes with restrictive ductwork. We keep common parts stocked locally for San Marino service calls, which means a failed capacitor or a bad defrost sensor doesn’t have to wait on a warehouse shipment from across the county. Faster parts access means faster turnaround when your system is down and the temperature is climbing.
See the difference
Before
After
Before
After
Before
AfterCommon Heat Pump Installation Problems We See in San Marino Homes
- Undersized outdoor units hidden in side yards without enough clearance. When a condenser is tucked behind a lattice screen or a hedge to satisfy design review, and that screen sits too close to the unit, head pressure climbs. On a 100°F day, that compressor is running hot and headed for early failure. We check clearance first, not last.
- Retrofits into 1920s-to-1950s homes with plaster walls and no attic space. The wrong duct design here drives up static pressure and kills efficiency. If a previous installer treated the job like a standard suburban retrofit, the system never performed at its rated SEER2. We correct it.
- Design review violations from visible condensers. San Marino’s strict zones prohibit rooftop units and require ground-level equipment to be screened. We’ve seen homeowners forced to relocate a condenser because an installer didn’t know the rules. That relocation cost more than doing it right the first time would have.
- Improper commissioning on multi-zone systems. When one outdoor unit drives multiple indoor zones, the blower motor speed and refrigerant metering have to be set for the actual connected load. Skipping that step leaves some rooms hot and others cold. We commission every system and measure the results before we call the job done.
Pricing for Heat Pump Installation in San Marino, CA
A complete heat pump installation in San Marino runs from $3,500 to $7,500. On the lower end, that’s a straightforward replacement in a home with existing ductwork in good shape. Mid-range jobs typically involve a larger system, some duct modification, or a two-zone design. The top of the range covers full retrofits of older estate homes where we’re engineering new duct paths through closet chases, adding a high-velocity mini-duct system, or installing multiple mini-split cassettes to avoid cutting plaster walls.
San Marino’s design review requirements can also add to the job, though usually not a lot. Screening, setback compliance, and low-profile outdoor unit selection are things we plan from the first site visit. You’ll know the exact price before we start. Estimates are free. Call (626) 657-5344 to schedule one.
We Also Serve Cities Near San Marino
While this page covers San Marino specifically, our crews also run heat pump installation jobs in San Gabriel, Alhambra, Pasadena, and Temple City. If your home is a few blocks outside the San Marino city line, you’ll get the same written pricing, the same on-time arrival, and the same one-year written guarantee on every repair.
Serving San Marino, CA - Our Local Coverage Area
We’re based in the San Marino area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Heat Pump Installation in San Marino
Yes, but it takes planning. San Marino design review prohibits rooftop condensers in many zones and requires ground-level units to be concealed behind landscaping or equipment screens. We select low-profile, quiet outdoor units and place them in side yards or behind custom screening with enough airflow clearance to avoid short-cycling. The outdoor unit will still exist, but it won’t be a visual statement in your garden. Call (626) 657-5344 for a site assessment and a written quote.
Short-cycling happens when a hidden condenser can’t pull enough air through the coil, so head pressure spikes and the compressor cycles off early. We prevent it by maintaining minimum clearance on all sides, specifying open-area screens rather than solid walls, and verifying airflow with static pressure measurements during commissioning. In some side yards, we’ve needed to enlarge screen openings or reposition the unit to get the clearance a heat pump actually requires. That measurement is part of every install.
There’s no single answer, but for most large two-story San Marino homes we recommend a multi-zone design: a ducted heat pump for the main floor and either a second ducted system or mini-split cassettes for the upstairs. Original Spanish Colonial Revivals often have no central ductwork, so we’d use a high-velocity mini-duct system through existing closet chases to avoid cutting plaster walls. The right configuration comes down to room layout, insulation, and how the home actually heats and cools through the seasons. We assess all of that before quoting anything.
Yes, but it’s a retrofit, not a simple swap. Homes with radiant or wall-heater systems and no ducts need new distribution, and in San Marino that usually means high-velocity mini-ducts through closet chases or multiple mini-split heads. Both approaches avoid major demolition of plaster walls. A conversion like this typically lands in the upper end of our $3,500 to $7,500 range because it’s new ductwork or new line sets plus the heat pump itself. We’ll walk you through the options and give you a written fixed price.
We spec quiet outdoor units and place them where sound won’t carry into a neighbor’s yard or your own bedroom window. San Marino’s residential character means low nighttime noise matters, and a properly sited and commissioned inverter-driven heat pump can run well under typical conversation level. We also check that the unit isn’t amplifying sound off a hard wall or a fence. If noise is a concern at your property line, we measure it after install and adjust placement or screening if needed.
For a free estimate on heat pump installation, service, or replacement in San Marino, call (626) 657-5344 today. We answer live, 24/7.
Written by Marco Benitez, Owner at Dalton Heating & Air Pasadena, serving San Marino since 2003.