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Technician with clipboard looking at air conditioner for manual j calculation

HVAC

A Complete Manual J Guide

Manual J Load Calculations: The Essential Guide to Sizing a Home HVAC System Correctly When a homeowner needs a new HVAC system, one of the most important — yet least understood — steps in the process is the Manual J load calculation. While many contractors still rely on outdated rules of thumb, the reality is…

two central ac system units in the back of a home

HVAC

Why Is My AC Running but Not Cooling?

Is your air conditioner not blowing cold air? Maybe you’ve fiddled with the thermostat and taken a look at the indoor and outdoor parts of the unit, only to remain stumped. With the AC not cooling, the house can get far too warm far too quickly. And it can be especially frustrating if you have…