Verified Climate Data • Zip 02139

HVAC Load Calculator for
Cambridge Homes

Summer Design90°F
Winter Design8°F
Humidity Loadhigh

Step 1: Location Analysis

We verify climate data for your specific Zip Code.

Local Climate Analysis for Cambridge

Cambridge typically experiences summer highs reaching design temperatures of 90°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)1019

Days you need AC

Heating Demand (HDD)6213

Days you need Heat

⚙️ Technical Factors

Wet Bulb72°F

High humidity load. Dedicated dehumidifier recommended.

Elevation16 ft

No derating needed.

Manual J Tip for MA

Because the design temperature difference (Delta T) in Cambridge is approximately 15°F (Summer) and 62°F (Winter), your system may need to be sized primarily for one extreme season over the other.

Installation Cost in Cambridge

Local labor rates and equipment standards in MA influence the final quote. For a standard 3-ton system changeout in Cambridge, calculate roughly $1,800 - $2,200 per toninstalled, depending on whether you choose a single-stage or variable-speed inverter unit.