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 AC Installation Across San Anselmo
A new air conditioner in San Anselmo typically runs $3,500 to $7,500, and most homes here are better served by a ductless mini split than conventional ducted central air. The reason is simple: the majority of housing stock in San Anselmo was built between 1900 and 1950 with balloon framing and no duct chases, which makes retrofitting ductwork disruptive and expensive. Meadowsweet Heating & Air installs both ductless and conventional systems across San Anselmo, with a written price before any work starts and a 365-Day Done Right Promise behind every job. Call (747) 966-3037 for a free estimate, and a live person will answer, 24/7.
Why Meadowsweet Heating & Air Is San Anselmo’s Preferred AC Installation Company
San Anselmo homeowners call us because we know what these old houses throw at you. A 1920s Craftsman bungalow off Sir Francis Drake Boulevard is not the same job as a 1990s tract house in Fairfax. We have seen the balloon-framed walls with no chases, the pier-and-beam crawlspaces, the wall furnaces still chugging along from the original install. That local knowledge shapes every estimate we write.
Luis Serrano leads our installation crews with a simple standard: treat every San Anselmo home like it belongs to someone who will notice if a floorboard gets scuffed or a drop cloth gets pulled up too early. Our technicians arrive in uniform, wear shoe covers inside, lay drop cloths from the entry to the work area, and send a photo of the clean-up before they leave. That is not an upsell. It is included on every job, in every neighborhood from Sleepy Hollow to the downtown flats.
When you call Meadowsweet, you get a live person on the phone, day or night. No voicemail queue, no message left with a dispatcher who calls back “sometime.” We answer. And because we are part of the Cedarwell family of HVAC companies, founded in 2004, we have the parts inventory and brand coverage to keep a San Anselmo install moving instead of waiting on a shipment from a warehouse in Sacramento.
Ductless Mini Split Installation in San Anselmo
Ductless Mini Split Installation is the default cooling answer for most San Anselmo homes, and it has nothing to do with taste and everything to do with how these houses were built. A pre-WWII bungalow with balloon-framed walls has no duct chases. Running conventional ductwork through those homes means tearing into plaster and lathe, losing closet space, and still ending up with compromised airflow. A ductless system solves that with a slim outdoor condenser, a small refrigerant line set, and a wall-mounted or ceiling-mounted indoor head. Single-zone mini split installation in San Anselmo runs $3,500 to $7,500, depending on capacity, the number of heads, and how far the line set has to run.
Protection From the Valley Heat
San Anselmo sits in the Ross Valley, which traps radiated heat after the marine layer burns off by mid-morning. Summer afternoons here hit the mid-to-upper 80s, and during heat events temperatures push past 90°F. A correctly sized mini split makes the difference between a house that cools down and one that short-cycles and freezes its own evaporator coil. We size by load calculation, not by guesswork.
Placement Above the Water Line
The downtown flatlands near San Anselmo Creek carry a real flood history. An outdoor condenser mounted at grade off Sir Francis Drake Boulevard can sit in standing water during a bad storm event. Whenever the home allows it, we mount the condenser on a raised pad or wall bracket above the historic flood line. That single placement decision can add years to the life of the equipment.
AC Replacement in San Anselmo
AC Replacement in San Anselmo usually means pulling out an old condenser and evaporator coil that are no longer worth repairing, and the cost here lands in the same range as a new install: $3,500 to $7,500. The older the house, the more likely the existing equipment is a window unit, a wall furnace, or a first-generation heat pump that has been leaking refrigerant for years. In those homes, replacement often means the ductless retrofit conversation.
Retrofit-Smart Sizing
Does your San Anselmo home have no existing ductwork? Then a replacement is not just a swap-out, it is a rethink. We evaluate the floor plan, the window orientation, the insulation in the walls (often only R-7 or less in these old wood-frame homes), and whether a single-zone or multi-zone ductless system will genuinely cool the rooms that matter. No one wants a new system that leaves the upstairs bedroom at 82°F on an August afternoon.
Addressing Flood-Damaged Equipment
If the existing condenser was submerged in a creek flood, it must never simply be switched back on. Water in the compressor terminal box or mud packed through the coil can short the compressor and control board the moment the breaker closes. We will always open the unit, dry the coil, let the compressor crankcase warm, and test the refrigerant charge and capacitor health before we decide whether that equipment can be safely restarted. If not, replacement is the honest recommendation, and we will show you exactly why with a written explanation.
Trusted Brands We Service in San Anselmo
Our San Anselmo installation crews are qualified and equipped to install and service equipment from nine major manufacturers, so you are not locked into whatever one brand a shop happens to be pushing that quarter. We work with Goodman and Rheem systems often for their value in single-zone and multi-zone ductless applications. Daikin and York round out our common installs for homeowners who want a particular inverter drive platform or noise profile. Because we stock common parts for these brands at our Bay Area office, a San Anselmo install is less likely to stall waiting on a filter drier or a line set fitting. The right brand is the one that matches your house and your budget, and we will show you the options in writing before any work begins.
Common AC Installation Problems We See in San Anselmo Homes
- Submerged condensers near the creek: Homes in the downtown flatlands off Sir Francis Drake Boulevard have seen condensers sit through floodwater. The homeowner flips the breaker thinking the unit dried out, and the compressor shorts. The safe path is disconnect, dry, megger-test, then decide.
- Undersized mini splits during valley heat events: A single head sized for a small bedroom gets asked to cool an entire floor when San Anselmo pushes into the 90s. The unit short-cycles, ice forms on the coil, and the compressor works itself to death. We run load calculations, always.
- Old balloon-framed walls with no insulation: Many San Anselmo homes have empty wall cavities or minimal batting. That means the building itself fights the cooling load. We factor wall construction and window area into every estimate, not just square footage.
- Flood-relocated equipment done poorly: Technicians who relocate a furnace or air handler out of a flood-prone crawlspace sometimes leave the condensate drain, line set, and electrical improperly supported. We see this in lower-lying neighborhoods near Sir Francis Drake Boulevard. Code anchor spacing and proper pitch matter, and so does making the new location genuinely out of the flood zone.
Pricing for AC Installation in San Anselmo, CA
In San Anselmo, a typical AC installation runs $3,500 to $7,500. That covers both a conventional condenser and coil replacement and a single-zone ductless mini split with one indoor head. The price moves based on capacity, the number of indoor heads for a multi-zone ductless system, the distance of the line set run, and whether we are relocating equipment out of a flood-prone crawlspace. Here is what that looks like line by line:
| Service | Price Range in San Anselmo |
|---|---|
| Ductless Mini Split Installation (single-zone, one head) | $3,500-$7,500 |
| AC Replacement (condenser + coil, conventional) | $3,500-$7,500 |
| Post-flood condenser inspection, dry-out, and restart | $150-$650 |
Every estimate is written, itemized, and delivered before any work begins. We do not change the number halfway through a San Anselmo job. Call (747) 966-3037 to get your free estimate scheduled. A live person answers.
We Also Serve Cities Near San Anselmo
Our crews serve the Ross Valley and the surrounding North Bay communities. Along with San Anselmo, we run calls to Fairfax, Kentfield, San Rafael, and Larkspur. If your home is in one of those towns and you need an AC Installation quote, the same written pricing and clean-up standard applies, no matter the neighborhood.
Serving San Anselmo, CA - Our Local Coverage Area
We’re based in the San Anselmo 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 AC Installation in San Anselmo
No. Never flip the breaker on a condenser that has been submerged in San Anselmo Creek floodwater. Water and mud get into the compressor terminal box and the control board, and closing the circuit can short both. What we do instead is open the unit, rinse and dry the coil, let the compressor crankcase warm for a full day, verify refrigerant charge and capacitor health, and megger-test the windings before any restart. If you are in the downtown flatlands near Sir Francis Drake Boulevard and you suspect flood exposure, call (747) 966-3037 and we will inspect it before anyone touches the breaker.
Most San Anselmo homes were built between 1900 and 1950 with balloon framing and no duct chases. Running conventional ductwork through those houses is invasive, expensive, and often compromises the original architecture. Ductless mini split installation in San Anselmo avoids all of that with a narrow line set and wall-mounted heads, and it delivers high-efficiency cooling sized to the room, not guessed at. For most of the pre-WWII bungalows and Colonial Revivals in this town, ductless is simply the right tool.
Yes, and we strongly recommend one on every new install in San Anselmo. Winter storms here bring outages, and when power returns, the surge and generator backfeed can spike the capacitor and inverter board on a ductless system. A whole-house surge protector wired into the panel and a dedicated surge device at the condenser disconnect together absorb those spikes before they reach the equipment. It is a worthwhile add-on that costs far less than replacing a fried inverter board.
The real answer comes from a load calculation, not from a rule of thumb based on square footage. San Anselmo sits in the Ross Valley where the afternoon heat gets trapped after the marine layer burns off. Add in old wood-frame walls, single-pane windows, and minimal attic insulation, and the heat gain calculation changes a lot from one house to the next. We measure window area, wall construction, ceiling height, and orientation, then size the system so it cools the house on a 92°F afternoon without short-cycling. An undersized install is a slow-motion compressor death. We will not set you up for that. Call (747) 966-3037 for a free estimate and we will walk you through the numbers.
A new AC installation in San Anselmo runs $3,500 to $7,500 for a typical single-zone mini split or conventional condenser and coil replacement. SEER2 is the current efficiency rating standard: a higher number means more cooling per watt of electricity, which means lower summer operating cost. In the Ross Valley’s trapped heat, a system rated SEER2 16 or above is often the better long-term buy over the life of the equipment. We will show you the SEER2 rating and the projected operating cost difference for any system we quote. Call (747) 966-3037 for a written, itemized estimate. The estimate is free, and no one is going to pressure you into a decision that day.
Call Meadowsweet Heating & Air for AC Installation in San Anselmo
If you live in San Anselmo and you are thinking about a new cooling system, call (747) 966-3037. You will get a live person, a written price before any work starts, and a crew that wears shoe covers, lays drop cloths, and sends a photo of the clean-up before they leave. Luis Serrano and the Meadowsweet team stand behind every install with the 365-Day Done Right Promise. If it is not done right, we make it right. That is the standard for every home we work in, from the creek flats to the hill streets above downtown.
Written by Luis Serrano, Owner at Meadowsweet Heating & Air, serving San Anselmo since the founding of the Cedarwell family of HVAC companies in 2004.







Before
After
Before
After
Before
After