Verified Climate Data • Zip 78701
HVAC Load Calculator for
Austin Homes
Summer Design98°F
Winter Design30°F
Humidity Loadhigh
Local Climate Analysis for Austin
Austin typically experiences summer highs reaching design temperatures of 98°F. Due to high humidity levels in this region, your HVAC system must be sized to handle significant latent load (moisture removal).
📊 Energy Usage Profile
Cooling Demand (CDD)3636
Days you need AC
Heating Demand (HDD)1457
Days you need Heat
⚙️ Technical Factors
Wet Bulb75°F
High humidity load. Dedicated dehumidifier recommended.
Elevation489 ft
No derating needed.
Manual J Tip for TX
Because the design temperature difference (Delta T) in Austin is approximately 23°F (Summer) and 40°F (Winter), you have a balanced heating and cooling load requirement.
Installation Cost in Austin
Local labor rates and equipment standards in TX influence the final quote. For a standard 3-ton system changeout in Austin, calculate roughly $1,800 - $2,200 per toninstalled, depending on whether you choose a single-stage or variable-speed inverter unit.