Christopher Morin is currently the HVAC Technical Field Representative for Conservation Services Group (CSG) and the Cool Smart Program. An ACCA approved Residential System Design Instructor, Christopher instructs participating contractors and technicians on proper system design, quality installation verification (QIV), Energy Star Quality Installation (ESQI), and duct testing – both in the classroom and in the field. Christopher holds a B.S. in Business Management from University of Phoenix, MA Master Sheet Metal License, BPI Building Analyst, as well as NATE Certifications in Installation and Service for Heat Pumps, Air-Conditioning, and Gas Furnaces.
If you have not been asked to complete a duct test by your local Massachusetts Inspector, it is just a matter of time before you are surprised by this stringent/updated code requirement. Despite some push-back from Contractors and Inspectors, all of MA is required to test new or altered duct systems. All of MA adopted the 2012 International Energy…Continue
Posted on August 17, 2014 at 4:59pm
Posted on August 12, 2014 at 1:19pm
Thermostatic Expansion Valves (TEV or TXV), one of the most popular metering devices for residential, high-efficient air conditioning and heat pumps, have performed almost impeccably for decades. Unfortunately, some manufacturers in the past few years have identified batches of valves that have had high superheat issues. Have we just been blind for so long, not realizing these problems existed? Or have these valves really been so reliable for such a long time?
If you think you…Continue
Posted on July 21, 2014 at 6:30pm — 3 Comments
For as long as I can remember, the agreed epidemic with ductwork was always undersized return ducts. Although we are far from perfect with duct sizing in New England, I have frequently seen great strides in fixing this issue - particularly with replacement systems. Lets face it, you should just be properly designing the duct system on new installations. Undersized ducts cause great restrictions in airlfow, raising…Continue
Posted on July 17, 2014 at 5:29pm