Seasonal 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.
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AfterFast, Reliable Heat Pump Installation Across San Mateo
A heat pump installation in San Mateo typically runs $3,500 to $7,500 for a standard split system, and most homes are back up and running within one to two days once equipment is on site. The bigger question for San Mateo homeowners is rarely “can you do it” but “will the unit actually be sized right for this house.” We size every heat pump with a room-by-room load calculation, not a square-footage guess. That’s the difference between a system that holds temperature quietly and one that short-cycles through the damp morning air off the bay. Call (361) 306-9515 for a free estimate with the price in writing before any work starts.
Why Dalton Heating & Air Is San Mateo’s Preferred Heat Pump Installation Company
San Mateo homeowners deal with a specific mix of housing stock: 1950s and 60s ranchers near Hayward Park, two-story additions in the Shoreview and Aragon neighborhoods, and newer builds up toward the hills. Each one has different duct realities and different insulation levels. Our crews have worked enough of these houses to know that a 2.5-ton unit in a sealed-up Aragon remodel does not perform the same as a 2.5-ton unit in a drafty original rancher off Alameda de las Pulgas. That’s why we run the load calculation on every single installation, no exceptions, even when the homeowner is replacing like-for-like.
Marco Benitez leads our San Mateo installation work under The Garrison Standard, which has governed every Dalton job since 2003. That standard is simple: arrive inside the stated window, put the price in writing before starting, do the work by the book, leave the site clean, and stand behind the job for a full year. If something is not done right, our 365-Day Done Right Promise means we make it right, no argument and no invoice.
Every installation includes a written price before any work begins and a written guarantee on the equipment and labor. Our technicians are background-checked and uniformed, and they arrive in a marked Dalton van. You’ll know who is walking up the driveway before they ring the bell. And when you call, a live person answers, 24/7, not a voicemail queue. That matters when your heat pump fails on a damp January morning and you need a real answer, not a callback window.
Our Heat Pump Installation service covers everything from the initial load calculation through the final startup and verification. We also handle the permitting paperwork San Mateo requires, so you are not chasing city hall for the building permit or the final inspection sign-off.
Heat Pump Maintenance in San Mateo
Heat Pump Maintenance in San Mateo runs $80 to $200 for a full seasonal tune-up, and it matters more here than in drier inland cities because the coastal air keeps outdoor coils damp. A heat pump that runs all year, not just in summer, accumulates moisture on the condenser coil during winter heating mode. That moisture traps pollen, road dust, and salt film from the bay air, and the coil loses efficiency. We clean it, check the refrigerant charge, test the reversing valve, and measure the temperature split at the return and supply registers. The whole visit takes about an hour, and you get a written report of what we found and what we did, not a verbal summary.
Two Tune-Ups a Year, Not One
Because a heat pump in San Mateo heats and cools, it runs in both directions all twelve months. We recommend a tune-up in early spring, before the marine layer starts keeping the cooling side busy in July and August, and another in October, before the heating side takes over for the damp winter. A heat pump that gets serviced twice a year typically runs 10 to 15 years without a major failure. One that never gets touched starts losing capacity by year three.
Written Report, No Sales Pressure
Our technicians are not paid on what they sell. They are paid to find what is actually wrong and fix it, or tell you plainly if the system is running fine. The written report you get after a tune-up includes the coil condition, refrigerant levels, electrical readings, and any signs of wear we see coming. That report is yours, whether or not you schedule anything else.
Geothermal Heat Pump Installation in San Mateo
Geothermal Heat Pump Installation in San Mateo is a bigger conversation than a standard air-source heat pump because it involves drilling or trenching a ground loop, and the lot size and soil conditions on the peninsula decide whether it makes sense. A geothermal system uses the ground’s constant temperature, roughly 55 to 60 degrees year-round, to move heat in and out of your house. It is quieter and uses less electricity than any air-source unit, but the upfront cost runs higher, often $20,000 to $35,000 for a full residential loop and unit, depending on the loop configuration and the drilling conditions. Some San Mateo lots, particularly the smaller ones in the flatlands, do not have room for a horizontal loop, and a vertical loop requires a drilling rig and a geotechnical review.
When It Makes Sense
A geothermal system pays for itself fastest on larger homes with high heating and cooling demand, or on lots where a horizontal loop can be trenched instead of vertically drilled. For a 1,200-square-foot bungalow near downtown San Mateo, the numbers usually do not work. For a 3,000-square-foot house in the hills with room for a ground loop, geothermal can cut the annual heating and cooling bill by 40 to 60 percent compared to an aging gas furnace and a conventional AC. We walk through the actual math with you, including PG&E rate data and current rebates, before you commit to anything.
Permits and Drilling
San Mateo County requires permits for any ground loop installation, and the drilling or trenching work falls under county and city codes. We handle the permit application, coordinate the drilling contractor, and manage the full installation through final inspection. You do not chase paperwork. You do get a written price and a set install schedule before the first truck shows up.
Trusted Brands We Service in San Mateo
We install and service Trane, Lennox, Goodman, and Rheem heat pumps in San Mateo, and our technicians are factory-trained on all of them. That means the warranty stays intact and the installation follows the manufacturer’s exact startup procedures, not a generic checklist. We also stock common parts for these brands at our Bay Area supply points, so a replacement capacitor or reversing valve coil does not leave you without heat for a week while a part ships from out of state. When we quote a heat pump install in San Mateo, we tell you which brand and model we are quoting, and we explain why that unit fits your house’s actual load calculation, not just what is on the truck.
Common Heat Pump Installation Problems We See in San Mateo Homes
- Sizing by square footage alone. A contractor looks at 1,800 square feet, says “three tons,” and moves on. In San Mateo’s mild but damp coastal air, an oversized unit short-cycles and never runs long enough to pull humidity out. The house feels clammy, and the compressor wears out early.
- Skipping the static pressure test. A new heat pump goes on top of old ductwork, and nobody measures the pressure the blower is working against. High static pressure forces the blower motor to fight the ducts, which kills motors early and makes the system louder than it should be. We measure it before and after install.
- Inheriting electrical problems from the old system. A failed capacitor or a stressed contactor in the old condensing unit gets ignored during the changeout. The new heat pump then pulls the same electrical stress through the same circuit, and the nuisance trips continue. We check the disconnects, breakers, and wiring as part of every install.
- Wrong refrigerant charge on startup. The factory ships the outdoor unit with enough charge for a certain line-set length. Your line set is probably longer or shorter. If the installer never weighs in the correct charge and verifies the subcooling, the system runs inefficient from day one and you pay higher bills for years.
Pricing for Heat Pump Installation in San Mateo, CA
The honest numbers for San Mateo are below. A standard split-system heat pump installation runs $3,500 to $7,500, depending on the equipment efficiency tier, the condition of your existing ductwork, and whether any electrical or refrigerant line changes are needed. A seasonal tune-up runs $80 to $200. A repair like a capacitor, thermostat calibration, or a refrigerant charge runs $150 to $650. These ranges come from real jobs we have priced in San Mateo this year, not a national table. Every quote is in writing before we start, and the price on that sheet is the price you pay, full stop.
| Service | Typical San Mateo Range |
|---|---|
| Heat pump installation (standard split system) | $3,500 – $7,500 |
| Heat pump maintenance (tune-up) | $80 – $200 |
| Heat pump repair (capacitor, thermostat calibration, refrigerant charge) | $150 – $650 |
What moves the install number is usually the SEER2 rating, the brand, and whether your ductwork needs sealing or a return added. A no-frills 14.3 SEER2 Goodman system on existing good ducts lands near the bottom of that range. A variable-speed Trane or Lennox unit with new duct modifications and a smart thermostat lands at the top. We show you what each option actually costs, and what it does to your PG&E bill, before you decide. Call (361) 306-9515 for a free written estimate.
We Also Serve Cities Near San Mateo
Our crews also run heat pump installations in Burlingame, Belmont, Millbrae, and San Carlos. If you are on the edge of San Mateo, near the Burlingame border or up toward the Belmont hills, give us a call. For more on what we do across the broader area, see our San Mateo coverage page. Same written pricing, same load calculation standard, same full-year guarantee.
Serving San Mateo, CA - Our Local Coverage Area
We’re based in the San Mateo 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 Mateo
A heat pump is almost always the right replacement in San Mateo if you want one system that both heats and cools, and if you are done with the gas bill and the carbon monoxide risk that comes with any combustion appliance. Because San Mateo’s winter lows rarely dip below 40 degrees and summer highs stay in the 80s, a modern heat pump can handle the full annual load without a backup furnace. If your current furnace and AC are both 15 to 20 years old, replacing both with one heat pump usually costs less than replacing them separately. We run the load calculation and show you the real numbers for your address. Call (361) 306-9515 for a written quote.
SEER2 is the current federal efficiency rating for cooling, and a higher number means a lower PG&E bill when the system is cooling. A 14.3 SEER2 base unit will cost more to run each summer than an 18 or 20 SEER2 variable-speed unit, but the higher-efficiency unit also costs more up front. In San Mateo’s climate, where cooling demand is moderate compared to the Central Valley, the payback on a very high SEER2 unit may take longer. We show the actual annual operating cost difference in dollars, using your house’s load profile, so you choose with real numbers. Give us a call and we will run the comparison for your home.
Twice a year, once in spring and once in fall. A heat pump in San Mateo runs in both heating and cooling mode all year, and the damp bay air keeps the outdoor coil wet, which attracts dirt and reduces efficiency. A spring tune-up prepares the cooling side for the summer marine layer season, and a fall tune-up prepares the heating side for the winter damp. A full maintenance visit runs $80 to $200, and it includes a written report of the coil condition, refrigerant charge, and electrical readings. Call (361) 306-9515 to schedule.
We can install geothermal in San Mateo, but it requires a ground loop, and whether it is worth it depends on your lot size and your annual energy load. A horizontal loop needs enough open yard for trenches; a vertical loop needs drilling and costs more. Homes near the golf course or in the larger hill lots are often good candidates. Smaller flatland lots near downtown usually are not. Geothermal systems run far more efficiently than air-source heat pumps and can cut heating and cooling costs by 40 to 60 percent, but the upfront install is significantly higher. We run the payback math with your actual PG&E usage before you decide. Call for a site evaluation.
Expect a crew that arrives inside the stated window, covers the work area, and starts by confirming the load calculation and the written price you already approved. We remove the old equipment, replace the indoor coil or air handler if needed, set the new outdoor unit on a pad, and connect the refrigerant lines and electrical. Then we pull a vacuum on the lines, weigh in the correct refrigerant charge, and run the static pressure test on the ductwork. The final step is a full startup: temperature split, airflow, and a walk-through with you. Most standard changeouts take one to two days. The site is left clean, and the work is guaranteed in writing for a full year. Call (361) 306-9515 for a free estimate and a set install date.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving San Mateo under The Garrison Standard since 2003.