Verified Climate Data • Zip 77002
HVAC Load Calculator for
Houston Homes
Summer Design94°F
Winter Design33°F
Humidity Loadhigh
Local Climate Analysis for Houston
Houston typically experiences summer highs reaching design temperatures of 94°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)3533
Days you need AC
Heating Demand (HDD)1206
Days you need Heat
⚙️ Technical Factors
Wet Bulb77°F
High humidity load. Dedicated dehumidifier recommended.
Elevation39 ft
No derating needed.
Manual J Tip for TX
Because the design temperature difference (Delta T) in Houston is approximately 19°F (Summer) and 37°F (Winter), you have a balanced heating and cooling load requirement.
Installation Cost in Houston
Local labor rates and equipment standards in TX influence the final quote. For a standard 3-ton system changeout in Houston, calculate roughly $1,800 - $2,200 per toninstalled, depending on whether you choose a single-stage or variable-speed inverter unit.