Verified Climate Data • Zip 92101
HVAC Load Calculator for
San Diego Homes
Summer Design81°F
Winter Design46°F
Humidity Loadmedium
Local Climate Analysis for San Diego
San Diego typically experiences summer highs reaching design temperatures of 81°F. With moderate humidity, standard sizing rules apply, but insulation quality remains critical.
📊 Energy Usage Profile
Cooling Demand (CDD)734
Days you need AC
Heating Demand (HDD)1685
Days you need Heat
⚙️ Technical Factors
Wet Bulb68°F
Standard humidity management sufficient.
Elevation66 ft
No derating needed.
Manual J Tip for CA
Because the design temperature difference (Delta T) in San Diego is approximately 6°F (Summer) and 24°F (Winter), you have a balanced heating and cooling load requirement.
Installation Cost in San Diego
Local labor rates and equipment standards in CA influence the final quote. For a standard 3-ton system changeout in San Diego, calculate roughly $1,800 - $2,200 per toninstalled, depending on whether you choose a single-stage or variable-speed inverter unit.