As much as I would like to say I am an expert, I am not when it comes to the actual performance and settings of a residential gas furnace and air conditioning unit.  So I am hoping some would be willing to share their incite or at least some resources I could go to.

So my question is about the fan speed settings for the heating and cooling system.  Two years ago I had a new Tempstar 95AFUE two stage variable speed furnace installed.  It is my understanding that even though it is a variable speed fan that you want to adjust fan speed differently for the heating and cooling system.  I ask because the service tech was at the house today on an A/C tune up & when my wife inquired about the fan speed, she was told it was on the factory settings.

So is this true, with variable speed motors you don't have to worry about the fan speed, or should there have been some kind of adjustments at time of the original install?  And for future service calls by potentially another company, what kind of testing should I ask for to be done to see if the CFM moving through the system are appropriate for the season.

Thanks in advance!

Josh

Views: 45781

Reply to This

Replies to This Discussion

Sounds like to me that you have a system installed and it has never been setup properly. Have a Service Tech come by and set it up for you.

A quick static pressure test would help you determine if you're getting the flow you need over the coil.   You should be able to reference your manufacturer's documentation for the TESP.   If it's too high, then it would be time to call in for a clean and tune as well as test and balance.   

Just my $0.02.

this is what I do for 25 yr.  I find most res unit are mid .8" water Col.   The tag on side of air mover says .5 or .4

you can look at SP or feet per min or temp, you get the same model.  This is big,  very big

RSS

Videos

  • Add Videos
  • View All

Latest Activity

Barbara Smith posted videos
7 hours ago
CharlieK posted a discussion

Eco-Cottage Program Applauded By Housing Groups, Suppliers & Lenders

AmeriSus a leading player in the eco-kit home business kicked off a new program on MLK-day which…See More
11 hours ago
Diane Chojnowski posted a discussion

Call for Nominations: Tony Woods Award and Building Performance Hall of Fame

The Building Performance Institute, Inc. (BPI) is seeking nominations for the 2017 Tony Woods Award…See More
12 hours ago
Diane Chojnowski added a discussion to the group 1000 Home Challenge
Thumbnail

January Webinar: Intro to the 1000 Home Challenge

The January Intro to the 1000 Home Challenge webinar will be  Friday, Jan 20 at 10-11:30 AM eastern…See More
12 hours ago
Diane Chojnowski's event was featured
Thumbnail

Introduction to the 1000 Home Challenge Webinar at Eastern Time

January 20, 2017 from 10am to 11:30am
The January Intro to the 1000 Home Challenge webinar will be  Friday, Jan 20 at 10-11:30 AM eastern…See More
12 hours ago
Diane Chojnowski posted an event
Thumbnail

Introduction to the 1000 Home Challenge Webinar at Eastern Time

January 20, 2017 from 10am to 11:30am
The January Intro to the 1000 Home Challenge webinar will be  Friday, Jan 20 at 10-11:30 AM eastern…See More
12 hours ago
Barbara Smith's video was featured

NY State Weatherization Story

The Weatherization Assistance Program (WAP) is an energy efficiency and conservation program administered by the New York State Homes and Community Renewal (...
12 hours ago
Quinn Korzeniecki added a discussion to the group Building Performance Institute (BPI)
Thumbnail

Call for Nominations: Tony Woods Award and Building Performance Hall of Fame

The Building Performance Institute, Inc. (BPI) is seeking nominations for the 2017 Tony Woods Award…See More
13 hours ago

Home Energy Pros

Welcome to Home Energy Pros – the unique digital community by and for those who work in the home energy performance arena.

Home Energy Pros was founded by the developers of Home Energy Saver Pro (supported by the U.S. Department of Energy) and brought to you in partnership with Home Energy magazine.  Home Energy Pros is sponsored by the Better Buildings Residential Network. Please honor our Guidelines

© 2017   Created by Lawrence Berkeley National Laboratory.   Powered by

Badges  |  Report an Issue  |  Terms of Service