Pasadena AC Repair and HVAC for Older Homes
Pasadena is one of the most beautiful places in LA to own a home, and one of the more challenging places to cool one. Many houses here are decades old, built for a time when nobody expected air conditioning. When you need AC repair in Pasadena or want to add cooling for the first time, you need someone who will think about the house, not just the equipment.
We're based in Sherman Oaks, a straight drive east on the 134. Same-day visits are common, and every job starts with understanding your home.
Pasadena's Climate: Hot Summers at the Foot of the San Gabriels
Pasadena sits in the San Gabriel Valley below the San Gabriel Mountains, and its summers run noticeably hotter than the LA basin and the coast. Heat waves often hit in August through October, and Santa Ana winds can sweep through in fall and winter.
Air quality is a real concern here too. The January 2025 Eaton fire burned just north of Pasadena, and smoke affected indoor air across the area. If smoke got into your home, your ducts and filters may need attention. Our guide on air duct cleaning after wildfire smoke explains what to look for, and we offer duct and vent cleaning.
Craftsman Bungalows, Historic Homes and HVAC
Neighborhoods like Bungalow Heaven, Madison Heights and the areas near the Arroyo Seco are full of Craftsman bungalows and other early twentieth century homes. They share a few traits that affect heating and cooling:
- No original ductwork. Many were heated by floor or wall furnaces and never had central air.
- Tight or shallow attics. Low-pitched roofs and small attics leave little room for ducts and air handlers.
- Old, leaky ducts where they were added later, often in hot attics or dusty crawlspaces.
- Character worth protecting. Original woodwork, plaster and street-facing facades that owners don't want marred by bulky equipment.
Pasadena also has hillside homes in areas like Linda Vista, mid-century houses, and plenty of condos and apartments with rooftop units and HOA rules.
HVAC Services in Pasadena
We serve Pasadena ZIP codes 91101 through 91107:
- Ductless mini splits, single and multi-zone, ideal for homes without ducts
- Heat pump installation and repair
- AC repair for central, rooftop, window and wall units
- Central AC installation and replacement
- Furnace repair, maintenance and installation
- Duct cleaning and duct repair, replacement or removal
- AC maintenance and tune-ups
HVAC help in Pasadena?
$55 service call with code LA55 โ inspection, diagnosis and a clear price before any work. Open 7 days ยท 8 AM โ 10 PM.
Adding Cooling to a Pasadena Bungalow
For many bungalows, a ductless mini split is the most practical way to add cooling and heating. Indoor units mount on a wall or ceiling, each zone has its own control, and only a small opening is needed for the refrigerant line. Outdoor units can usually go along a side yard or behind the house, out of view from the street.
Others are better served by a ducted heat pump with a compact air handler, especially where the crawlspace or attic allows clean duct runs. Either way, we size every system with a Manual J style load calculation and give you a written quote with exact model numbers before work begins. Our lead tech has completed specialized training with Mitsubishi Electric, Daikin and Fujitsu.
Historic homes: If your house is in a historic district or is a designated landmark, check with the city whether exterior equipment needs any added review before you finalize placement.
Permits, PWP and Refrigerant Rules in Pasadena
Pasadena has its own building department, so permits go through the city rather than LADBS. Title 24 applies to HVAC changeouts, and HERS verification may be required depending on scope. We pull the permit and handle the testing, the steps cheaper bids quietly skip.
Electricity comes from Pasadena Water and Power. PWP rebate programs change, so check what's current; we file the paperwork for you. New systems use A2L refrigerants like R-454B or R-32, and existing R-410A systems can still be serviced and repaired.
"Okay so first time an HVAC company ever left me a gift after a job!!! Didn't see that coming at all. And honestly the whole visit was like that. They covered the floors, double checked everything, and explained what they did without me even asking."
Bohdan B. ยท Google
Nearby Areas
We also serve Glendale, Burbank and the rest of Los Angeles.
Open 7 days a week, 8:00 AM to 10:00 PM. Call (626) 635-4095 and use code LA55 for a $55 service call.


