(Redirected from LBBB). Left bundle branch block (LBBB) is a cardiac conduction abnormality seen on the electrocardiogram (ECG). In this condition, activation of the left ventricle is delayed, which causes the left ventricle to contract later than the right ventricle.
For instance, in the winter, if you set the thermostat to 20Â°C (68Â°F), it will activate the heating system when the house temperature drops below 20Â°C and will shut the system off when the house air warms up past 20Â°C. A setback thermostat contains an electronic clock.
6. Turning your thermostat to 78 degrees Fahrenheit is the best setting for your air conditioner during warmer months. Reducing your home's temperature 72 degrees Fahrenheit could increase your cooling costs 12 to 47 percent. Also remember, setting it really low at first will not help your home cool faster.