Day: March 11, 2011
Manual-D duct design rarely used; less-often done correctly
Isaac Savage
November 12, 2012
1 Comment
Manual-D is ACCA’s duct design method for properly sizing the airflow pathways – the ductwork – within a residential heating and cooling system. Even though
If your water heater looks like this, be very concerned.
Isaac Savage
March 5, 2010
No Comments
Standard gas water heaters are one of the most dangerous appliances I see in homes. This one was found in the basement of an extremely leaky house.
Can Houses be “Too Insulated ” or “Too Tight”?
Isaac Savage
March 2, 2010
No Comments
Tight houses need mechanical ventilation to ensure a supply of fresh air to keep people healthy; and existing houses should not be tightened without assessing whether the existing combustion appliances have an adequate source of combustion makeup air.
ASHRAE 62.2 – Types of Whole-Building Ventilation Systems
Isaac Savage
May 31, 2012
No Comments
Whole-building ventilation Whole building ventilation should dilute interior pollutants by creating an air exchange within the home. This can be achieved by one or more
50% Discount for HVAC Trainers
Isaac Savage
February 7, 2014
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Do you teach HVAC to students for a living? We want to acknowledge you by offering you 50%-off of all of our HVAC related trainings.
Manual-J – Chattanooga, TN (1-day)
Isaac Savage
May 23, 2012
No Comments
Monday June 4, 2012 – Monday June 4, 2012 Map and Directions | Register Description: Manual-J is the first step of the HVAC design process.
Duct and Envelope Tightness (DET) Verification Training Sample Videos
Isaac Savage
January 24, 2014
No Comments
Interested in our Duct and Envelope Tightness (DET) Verification training? Check out the two sample how-to videos below on running the blower door tests using