Our AC stopped cooling right in the middle of a heat wave. Called these guys in the morning and they had someone out the same day. The technician quickly found the issue, explained everything in simple terms, and had it …
What Our Customers Say
Real experiences from real Sacramento area homeowners.
Brands We Install in Rocklin
Two or three options at different price points on every quote, and a straight answer about which one we would choose.
Stanford Ranch and the mid-1990s replacement wave
Stanford Ranch was built out through the mid-1990s across roughly 3,000 acres, and most of those homes still run the original matched furnace and condenser. Those systems are now twenty-five to thirty years old, and the Stanford Ranch, Sunset Whitney and Rocklin Ranch tracts are where most of our Rocklin installation calls come from.
A replacement in a 1990s Rocklin home is usually a closet or garage furnace paired with a side-yard condenser, connected to the original ducts. The equipment swap is the easy part. What decides whether the new system performs:
- The load calculation. The original units were sized by rule of thumb and rounded up. Windows, insulation and equipment have all changed since. The correct replacement is often a half ton smaller.
- The ducts. A 1995 duct system leaking a quarter of its air will make a new 16 SEER2 unit perform like the old 10 SEER one. We test before we quote.
- The line set. Thirty-year-old copper with a new refrigerant is a leak waiting to happen. We replace it where it is accessible.
- The pad and the disconnect. Small items, often skipped, and the reason so many replacements look finished but fail inspection.
If you are not sure the old system is actually done, start with AC repair in Rocklin. Our guide to how long an air conditioner lasts covers where the replace line sits.
Whitney Ranch and the two-story problem: one system, two floors
Whitney Ranch, Whitney Oaks and the newer tracts toward Lincoln are mostly two-story homes built from the 2000s on, with the air handler in the attic and, in most cases, a single system serving both floors from one thermostat downstairs. Homeowners there call us in August because the upstairs is 84 degrees while the thermostat reads 76, and the first question is always whether a bigger unit would fix it.
It would not. A bigger condenser cycles faster, dehumidifies worse, and pushes the same amount of air through the same undersized upstairs ducts. What actually fixes a two-story Rocklin house at replacement time:
- A zoning system with a second thermostat upstairs and motorized dampers, on equipment that can modulate. This is the usual answer, and replacement is the cheapest moment to add it.
- Two-stage or variable-speed equipment, which runs longer at lower output and moves air more evenly than a single-stage unit slamming on and off.
- Duct corrections in the attic: undersized returns and runs that were never balanced, which we find in most 2000s tract homes.
- A ductless unit for the master bedroom in cases where zoning the whole house is not worth it.
Attic installations also mean the condensate drain, the secondary pan and the float switch have to be done properly, because a mistake there ends up as a ceiling stain. Our ductless mini-split and ductwork pages cover the two options in more detail.
Permits, HERS testing, and what a legal installation in Rocklin includes
California’s Title 24 energy code is the strictest residential HVAC installation standard in the country, and the City of Rocklin enforces it. A quote that seems too cheap is usually skipping one of these:
- A City of Rocklin mechanical permit for any equipment change. We pull it and schedule the inspection.
- HERS verification by an independent rater. When the outdoor unit is replaced, a certified third-party rater verifies refrigerant charge and airflow. When the air handler or ducts are touched, the ducts are tested for leakage: existing ducts must come in at 15% or better, new ducts at 5%.
- Duct sealing to pass that test, priced up front, because most 1990s Rocklin duct systems do not pass at 15% as they are.
- A matched indoor coil and outdoor unit, or the efficiency rating on the box means nothing.
- Commissioning: charge set by measurement, airflow checked at the registers, thermostat programmed, walkthrough before we leave.
An unpermitted installation surfaces when you sell the house, and Rocklin’s older neighborhoods around the Quarry District and Sunset Whitney see this often with systems installed a decade ago. Our service page on HVAC installation covers the full process.
PG&E territory: no utility rebate for a straight AC, so the sizing has to earn its keep
Rocklin is on PG&E for gas and electric lines, with most homes buying electricity through Pioneer Community Energy since 2018. That is a different picture from Roseville, two miles west, where the city utility pays a heat pump rebate, and from Sacramento, where SMUD pays $2,000 to $3,000. In Rocklin there is no utility rebate on a straight air conditioner and, at the time we wrote this, no local rebate on a heat pump either. Statewide programs such as TECH Clean CA sometimes apply when they are funded, and we check the day we quote.
Without a rebate to lean on, the installation has to earn its keep on its own: correct sizing, sealed ducts and equipment matched to how the house is actually used. That is where the money is in Rocklin, not in the brand name on the condenser. Our guides to central air conditioner brands and what a new system costs are honest about which tiers pay off here and which do not.
If your furnace is the same age as the air conditioner, which in Stanford Ranch it usually is, we quote a heat pump replacing both alongside the straight AC replacement, and we tell you which we would choose. Our guide to heat pump vs furnace covers the trade-offs by utility. For the heating side of the house, see furnace repair in Rocklin.
Next door: AC installation in Roseville, where the rebate picture is different. Everything we do in the city is on HVAC in Rocklin.
AC Installation in Rocklin: Common Questions
It depends on the size of the system, the efficiency tier, whether the furnace or air handler is replaced at the same time, whether zoning is added, and how much duct sealing is needed to pass the HERS test. We quote two or three options at different price points. Our guide to new HVAC system cost gives honest ranges.
Yes. The City of Rocklin requires a mechanical permit for any equipment change, and Title 24 requires an independent HERS rater to verify refrigerant charge and airflow, plus a duct leakage test when the air handler or ducts are touched. We handle both as part of the job.
No. A bigger unit cycles faster and pushes the same air through the same ducts. The fixes are a zoning system with an upstairs thermostat, two-stage or variable-speed equipment, duct corrections in the attic, or a ductless unit for the master bedroom. Replacement is the cheapest time to add zoning.
Rocklin is PG&E territory with electricity through Pioneer Community Energy, so the Roseville Electric and SMUD rebates do not apply. Statewide programs such as TECH Clean CA sometimes do, when funded. We check what is open the day we quote.
Most straight replacements are one day. Replacing an attic air handler, adding zoning, or sealing and replacing ducts adds a day. The HERS rater visit and the city inspection are scheduled after the system is running.