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.
Fast, Reliable Heat Pump Installation Across Pasadena
A full heat pump replacement in Pasadena runs $3,500 to $7,500 depending on the system size and your home’s ductwork. A service or repair visit runs $150 to $650, and a pre-season tune-up runs $80 to $200. Dalton Heating & Air serves Pasadena with written pricing before any work starts, and we answer the phone with a live person 24/7. Call (361) 306-9515 for a free estimate.
We work in Pasadena every week, so we know the homes here. The 1960s ranch houses off Fairmont Parkway, the two-story builds near Burke, the older attic-installed air handlers around Red Bluff and Pansy Street. We know what a Pasadena summer does to a heat pump that was sized wrong or charged sloppy at startup. That local knowledge keeps us honest about repair versus replace, and it keeps your system running the way it should.
Why Dalton Heating & Air Is Pasadena’s Preferred Heat Pump Installation Company
Pasadena homeowners call us because The Garrison Standard is not a slogan. It is a written set of terms on every job: arrive inside the stated window, put the price in writing before any work begins, do the job by the book, leave the site clean, and stand behind the work for a full year. Marco Benitez runs our crews to that code on every heat pump install, service call, and repair in Pasadena.
Our technicians are background-checked and uniformed, so you know who is walking up to your door before they ring the bell. They are factory-trained to service nine major residential brands, including Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. That matters when a Pasadena homeowner has a 14-year-old Goodman that is tripping on low pressure and wants straight advice on whether to fix it or swap it.
Every repair carries a written guarantee for a full year. If the work fails inside that window, we return at no charge. That is the 365-Day Done Right Promise, and it applies to every heat pump repair we do in Pasadena, from a failed capacitor to a full compressor replacement.
Heat Pump Service in Pasadena
Heat Pump Service in Pasadena usually starts with the system not keeping temperature, short-cycling, or making a noise it never made before. A service visit from Dalton runs $150 to $650, and that price is in writing before our tech opens a single panel. Pasadena sits in a mixed humid/subtropical zone with mild winters and long, humid summers, so heat pumps here live in cooling mode far more than heating mode. That means condensate management and return static pressure matter more than the defrost controls winter-climate installers obsess over.
Diagnostic Visits
When a heat pump is not cooling in a Pasadena July, the issue is usually one of three things: low or unverified refrigerant charge, a clogged condensate drain, or high static pressure from an undersized return. Our techs check all three on a service call, not just the part that tripped the error code. You get the diagnosis in plain language, with the repair price in writing before we order any part.
Startup and Charge Verification
A heat pump that was never charged correctly at install will run fine in March and then sag in August. We verify refrigerant charge with gauges and superheat/subcooling measurements, not by feel. On older Pasadena homes with long line sets, getting that charge right is the difference between a unit that holds 72 degrees and one that runs all afternoon without ever satisfying the thermostat.
Heat Pump Replacement in Pasadena
Heat Pump Replacement in Pasadena is not a swap-it-and-go job. A full install runs $3,500 to $7,500, and that range depends on the size of the system, the condition of your existing ductwork, and whether your electrical panel can handle the new unit. We run a load calculation on every replacement we quote in Pasadena, because matching the old tonnage without checking the house is how you end up with a system that short-cycles and never dehumidifies.
Load Calculation First
In Pasadena, the cooling load drives the calculation. A proper Manual J looks at window orientation, wall insulation, attic depth, and the air leakage you can feel around old doors. We have found oversized equipment on half the Pasadena replacements we quote, and an oversized heat pump in a humid climate means higher humidity inside and higher bills every month. The load calculation is not an upsell; it is how we make sure the unit we install actually fits your house.
Ductwork and Static Pressure
Older Pasadena homes, especially the 1960s and 1970s builds, were often ducted for less airflow than modern heat pumps need. If we pair a new unit to an undersized or leaky return, the evaporator coil starves for air and the system never hits its rated efficiency. We measure external static pressure before we quote. If the return needs resizing or a duct section needs sealing, that goes in the written price, not on a surprise invoice after the unit is hung.
Trusted Brands We Service in Pasadena
Our Pasadena customers run Goodman heat pumps, Rheem systems, York units, and a lot of Daikin installs from the early 2010s. We are factory-trained on all of them, and we keep common parts on the truck for Pasadena service calls, capacitors, contactors, transformers, and drain components. That means fewer return trips and faster turnaround when a system goes down in the middle of a humid stretch. If you are replacing, we will quote the brand that fits your budget and your ductwork, not the brand we happen to have in the warehouse. See our Heat Pump Installation page for more on how we approach full system replacements.
Common Heat Pump Installation Problems We See in Pasadena Homes
- Undersized returns choking the system. We see this on nearly every older Pasadena home we quote: a new heat pump paired to a return duct that was sized for a smaller unit decades ago. High static pressure starves the evaporator coil, kills efficiency, and shortens compressor life.
- Refrigerant charge left unverified at startup. A unit that “runs fine” in mild spring weather trips on low pressure during a humid Pasadena July. We check charge on every install and every service call, with gauges, not guesses.
- Condensate drains plumbed wrong in attic installs. Many Pasadena homes have air handlers in the attic, and a drain line without a proper trap or pitched wrong causes pan overflow and rusted blower motors. We pitch and trap every drain we install.
- Old ductwork leaking into the attic. The 1970s flex duct in some Pasadena attics leaks enough air to wipe out two SEER points. We test, seal, and if needed replace ducts before the new unit goes in.
Pricing for Heat Pump Installation in Pasadena, CA
Here is the honest math for Pasadena. A full heat pump replacement runs $3,500 to $7,500. A service or repair visit runs $150 to $650, depending on the part and the labor. A pre-season tune-up runs $80 to $200 and includes a written report of what we found and what we did. The two things that move a Pasadena replacement quote the most are ductwork condition and whether the home needs electrical panel upgrades. Both are common in older Pasadena housing stock, and both are included in your written price before any work starts. Call (361) 306-9515 and we will send a tech to your Pasadena home for a free estimate.
| Service | Price Range |
|---|---|
| Heat Pump Replacement (full install) | $3,500 – $7,500 |
| Heat Pump Service / repair visit | $150 – $650 |
| System tune-up (pre-season check) | $80 – $200 |
Those are the ranges. You get the exact number in writing before we order a part or hang a unit. No price shifts at the door, no add-ons after the fact.
We Also Serve Cities Near Pasadena
Our Pasadena crews also cover San Marino, South Pasadena, Altadena, and San Gabriel. If you live in one of those cities and need a heat pump installed or serviced, expect the same written pricing and the same 365-Day Done Right Promise. Dispatch and scheduling are coordinated from our Los Angeles office, so a Pasadena call gets a Pasadena-area tech, not a crew driving in from two counties away.
Serving Pasadena, CA - Our Local Coverage Area
We’re based in the Pasadena 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 Pasadena
You need a load calculation, and a real one, not a tonnage match. Matching the old tonnage is how Pasadena homes end up with oversized units that short-cycle and never dehumidify. A proper Manual J looks at your windows, insulation, attic, and air leakage, and it usually takes an hour. If a contractor skips it, walk away.
SEER2 is the updated efficiency rating that measures cooling output per watt of electricity under more realistic conditions than the old SEER number. Going from a 14 SEER2 unit to an 18 SEER2 unit on a Pasadena home with heavy summer cooling can cut your peak-month cooling bill by roughly 20 to 25 percent. The exact dollar number depends on your usage, but in a Pasadena July, that is a real difference on your bill.
At 14 years old, if the repair is $600 and the compressor or coil is involved, replacement usually makes more sense. Here is the math: a $600 repair on a 14-year-old unit buys you maybe one more season. A replacement starts at $3,500 for a full install, but it resets the warranty and drops your monthly bill. If the repair is under $300 and the unit is otherwise solid, fix it. We give Pasadena homeowners that same straight math on every call, and we do not push replacement when a repaired unit has years left.
Once a year, in the spring, before the cooling season hits. A pre-season tune-up runs $80 to $200 and catches the things that fail in a Pasadena July, like dirty coils, weak capacitors, and clogged condensate drains. If you skip service and the unit fails in August, you are paying emergency repair rates instead of a scheduled tune-up price.
Sometimes it works, sometimes it does not, and the only way to know is to measure. Older Pasadena homes often have undersized returns or leaky ducts that need sealing or resizing before a new unit can hit its rated efficiency. We measure external static pressure on every replacement quote. If your ducts need work, that goes in the written price. Call (361) 306-9515 for a free estimate on your Pasadena heat pump install, and we will tell you exactly what your ducts can handle.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving Pasadena since 2003.







Before
After
Before
After
Before
After