5-Ton Unit Costs
A 5-ton unit for a large Granite Bay home runs $14,000 to $22,000 installed. High ceilings and long duct runs push cost toward the top. We size every job with a Manual-J check.
HVAC New System Cost in Granite Bay, CA
Granite Bay estates need bigger units and more zones. Here's what a full swap costs in 2026.

Granite Bay is a premium market. Homes here are large. Many are 3,000 sq ft or more. A 5-ton unit is common. Multi-zone builds are normal. Fresh Air handles large estate jobs with the same care as every job we do.
A 5-ton unit for a large Granite Bay home runs $14,000 to $22,000 installed. High ceilings and long duct runs push cost toward the top. We size every job with a Manual-J check.
Multi-zone builds let you set different temps in each area of the home. Zoning adds cost but saves on bills. A two-zone build adds $2,000 to $4,000 to the base job.
We check your home before we quote. Room count, ceiling height, and duct layout all matter for large homes. Our quote is written and clear. No surprise fees.
Large homes in Granite Bay have high ceilings, long duct runs, and complex floor plans. These factors raise both unit size and labor time. A 5-ton system costs more than a 3-ton system at every level: unit, parts, and labor. Zoning controls add to the total but save on long-run bills.
Fresh Air has done 900+ jobs since 2009. Granite Bay estates are part of our regular work. We are licensed under CSLB #945361. A full system swap here typically runs $15,000 to $25,000+. Free in-home quote included.
Most estate homes run $15,000 to $25,000 or more. Unit size, duct state, and zone count drive the price. We give free in-home quotes.
Many Granite Bay homes over 2,800 sq ft need a 5-ton unit. Some need two separate systems. We do a Manual-J load check on every job to size it right.
Zoning splits your home into areas with their own thermostats. It helps large homes stay even. A two-zone build adds $2,000 to $4,000. It can save money on bills over time.
Most full swaps take about 48 hours. Multi-zone builds or large duct work may add a day. We give a clear time frame in your written quote.
Call (916) 416-8181 or book at our site. Fresh Air is family-run since 2009 with 900+ jobs done. Licensed CSLB #945361. Free in-home visit and a clear written price for your estate.