Christopher Morin
  • Male
  • Clinton, MA
  • United States
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Christopher Morin's blog post was featured

How Low Should I Operate my Heat Pump?

UPDATED: Break Even COP’s for MAHow do you know if you should install a ductless mini-split, or upgrade your air-conditioner to a heat-pump and create a dual-source application during replacement this Winter?  I have been asked this countless times over the past week!  I personally always prefer the option of multiple fuel sources, particularly since energy prices have been all over the place during the last decade.  Fortunately, using averaged energy prices, there is some simple math to figure…See More
Jan 21
Bob Blanchette commented on Christopher Morin's blog post How Low Should I Operate my Heat Pump?
"Peak energy use is a summer issue. TOU rates apply. Located in OKC. That's why I mentioned local rates structures vary A LOT."
Jan 21
Christopher Morin commented on Christopher Morin's blog post How Low Should I Operate my Heat Pump?
"Great points Bob!  Can I ask where you are located?  Here in MA, our utility providers have a tiered structure to charge more when using more...I guess it depends on when, or even if, you have a peak demand problem in your locale.…"
Jan 21
Bob Blanchette commented on Christopher Morin's blog post How Low Should I Operate my Heat Pump?
"Don't forget to account for meter/delivery charges when comparing the costs of various fuels. Some charges change with use, others are "fixed". Some utilities tier their rates. Our utilities have a "negative tier" where they…"
Jan 16
Christopher Morin posted a blog post

How Low Should I Operate my Heat Pump?

UPDATED: Break Even COP’s for MAHow do you know if you should install a ductless mini-split, or upgrade your air-conditioner to a heat-pump and create a dual-source application during replacement this Winter?  I have been asked this countless times over the past week!  I personally always prefer the option of multiple fuel sources, particularly since energy prices have been all over the place during the last decade.  Fortunately, using averaged energy prices, there is some simple math to figure…See More
Jan 14
Hal Skinner commented on Christopher Morin's blog post Should this Duct Layout be Banned?
"Hi Christopher, Here is a discussion I started on how we use an RCC to insulate cooling  / heating equipment and ducts in attics. Conditioned air in attics? Not me!"
Sep 5, 2014
Dennis Heidner commented on Christopher Morin's blog post Should this Duct Layout be Banned?
"In the picture above, it appears that the attic has been turned into conditioned space.  The temperature stacking chart presented is not likely to be what you would see.   Turning the attic into conditioned space also helps with…"
Sep 4, 2014
John Proctor commented on Christopher Morin's blog post Should this Duct Layout be Banned?
"We found with the ducts on the floor of the attic, with smaller ACs, with shorter runs, with the ducts buried in lots of insulation, in hot dry climates, that there is almost no penalty for having the ducts in the attic and it is a lot easier…"
Sep 4, 2014
Christopher Morin's blog post was featured

Should this Duct Layout be Banned?

When is it ok to put your ducts into an attic, tight up against the Roof Deck?  With more conventional building techniques, I would have to argue: NEVER!  I do not care how the homeonwer pleads to keep their storage space, you cannot count on delivering cool air to the conditioned space with said branch duct.  Even if you did figure out a way to secure the duct to the peak without crushing the inside diameter, the CFM is not the problem.  The real issue becomes the dry bulb temperature of the…See More
Sep 4, 2014
Christopher Morin posted a blog post

Should this Duct Layout be Banned?

When is it ok to put your ducts into an attic, tight up against the Roof Deck?  With more conventional building techniques, I would have to argue: NEVER!  I do not care how the homeonwer pleads to keep their storage space, you cannot count on delivering cool air to the conditioned space with said branch duct.  Even if you did figure out a way to secure the duct to the peak without crushing the inside diameter, the CFM is not the problem.  The real issue becomes the dry bulb temperature of the…See More
Sep 3, 2014
j. west commented on Christopher Morin's blog post UPDATED: Big Changes for Duct Testing in MA
"You're right Christopher- the trick to saving the profit margin is being in several places at one time. And you can't do that without a solid quality assurance process.  I've spoke about this this exact subject all over the…"
Sep 1, 2014
Eric Kjelshus commented on Christopher Morin's blog post Top 5 Changes to ACCA Manual S
"I run loads each day.  BUT my completion does not,    I see so much over sizing  last job was needing 34,000 and he put in 120,000 BTU's ( the box fit)  I took out 1/2 the burners so the BTU fit the duct work and closer…"
Aug 28, 2014
Christopher Morin's blog post was featured

Top 5 Changes to ACCA Manual S

      As I had brought up years ago, ACCA's Manual S was in dire need of an update.  Written in 1995, Manual S Residential Equipment Selection was passed by with huge technical and efficiency strides within the HVAC industry.  Think about it: ECM Motors were in their infancy, condensing furnaces…See More
Aug 28, 2014
Christopher Morin posted a blog post

Top 5 Changes to ACCA Manual S

      As I had brought up years ago, ACCA's Manual S was in dire need of an update.  Written in 1995, Manual S Residential Equipment Selection was passed by with huge technical and efficiency strides within the HVAC industry.  Think about it: ECM Motors were in their infancy, condensing furnaces…See More
Aug 27, 2014
Sean Lintow Sr commented on Christopher Morin's blog post UPDATED: Big Changes for Duct Testing in MA
"4% TOTAL Ted - Leakage to outside was stripped from the codes & for good reason"
Aug 26, 2014
tedkidd commented on Christopher Morin's blog post UPDATED: Big Changes for Duct Testing in MA
"Wait!  4% total leakage or 4% leakage to outdoors? "
Aug 26, 2014

Profile Information

Company
Conservation Services Group
Professional Certification
BPI BA, NATE, MA Master Sheet MetaL
Blog URL
http://excessair.blogspot.com
Facebook Page
http://www.facebook.com/pages/Excess-Air/208884575867523
LinkedIn Profile
http://www.linkedin.com/profile/view?id=59140122&trk=tab_pro

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.

Christopher Morin's Blog

How Low Should I Operate my Heat Pump?

UPDATED: Break Even COP’s for MA

How do you know if you should install a ductless mini-split, or upgrade your air-conditioner to a heat-pump and create a dual-source application during replacement this Winter?  I have been asked this countless times over the past week!  I personally always prefer the option of multiple fuel sources, particularly since energy prices have been all over the place during the last decade.  Fortunately, using averaged…

Continue

Posted on January 14, 2015 at 11:30am — 3 Comments

Should this Duct Layout be Banned?

When is it ok to put your ducts into an attic, tight up against the Roof Deck?  With more conventional building techniques, I would have to argue: NEVER!  I do not care how the homeonwer pleads to keep their storage space, you cannot count on delivering cool air to the conditioned space with said branch duct.  Even if you did figure out a way to secure the duct to the peak without crushing the inside diameter, the CFM is not the problem.  The real issue becomes the dry bulb temperature of…

Continue

Posted on September 3, 2014 at 6:24pm — 3 Comments

Top 5 Changes to ACCA Manual S

      As I had brought up years ago, ACCA's Manual S was in dire need of an update.  Written in 1995, Manual S Residential Equipment Selection was passed by with huge technical and efficiency strides within the…

Continue

Posted on August 27, 2014 at 5:30pm — 1 Comment

UPDATED: Big Changes for Duct Testing in MA

   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 — 9 Comments

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