All Discussions Tagged 'HVAC' (16)

Discussions Replies Latest Activity

How to Insulate Exposed Outdoor Ductwork?? Help

A local business has the main duct plenums for return and supply located outside going to an RTU furnace/AC on the ground. Two trunks aroun…

Started by Daniel Baur-McGuire

8 12 hours ago
Reply by Franco Oyuela

When can an oversized A/C be a good thing?

I've always been a strong proponent for properly sizing A/C's together with home performance upgrades but with utility companies moving tow…

Started by David Byrnes

19 Mar 6
Reply by David Butler

Abandoning under-slab HVAC ductwork which fills with groundwater seasonally.

Our company is building a custom home in Wyoming on a site with high ground water. The client wanted to have supplemental forced-air heatin…

Started by Gregory Cisco

7 Nov 7, 2018
Reply by Leeroy Jenkins

Check it out! The video every HVAC contractor should see.

Here’s an inside look at incorporating home performance into your HVAC business from two of the industry's leading contractors. Learn how s…

Started by Mike Kandel

2 Oct 2, 2018
Reply by Franco Oyuela

Think of the house as a really big duct

There is an article in the June 9 issue of ACHR News magazine that might help a lot people understand why the house is really part of the d…

Started by Frank Spevak

2 Sep 21, 2018
Reply by John White

UV lights on filters

I recently saw UV bulb installations in 2 HVAC systems in a home. Each system had the Lennox Healthy Climate filter box that has 2 UV-A bul…

Started by Howard Katzman

17 Sep 8, 2018
Reply by Brad Cook

Is my HVAC Guy correct? 2 systems instead of 1 system with dampers

I'll soon be working on converting a second floor of a residential building that was never finished and is being used as an attic for the…

Started by scottscontracting

57 Aug 31, 2018
Reply by Walter Ahlgrim

The effects of higher residential energy efficiency on the rest of the economy

This excited me: http://link.springer.com/article/10.1007/s12053-015-9392-9 The effect of more energy efficient households is shown to ripp…

Started by Harry Silver

0 Jan 30, 2017

BPI Works with NATE and NORA to Expand Accreditation Options for the HVAC Contractor

Calling all HVAC contractors! BPI is working with NATE and NORA to expand accreditation options for HVAC contracting companies. BPI has es…

Started by Cierra Mooney

2 Jun 23, 2014
Reply by Air Track Inc

Know Your House Facts

Faced with Home Manager retirement, what should a homeowner do? Know your House Facts.  By design, “Variable Air Volume” is the foundation…

Started by Gary LaForge

4 Sep 1, 2013
Reply by Bob Blanchette

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Forum Discussions

How to Insulate Exposed Outdoor Ductwork?? Help

Started by Daniel Baur-McGuire in General Forum. Last reply by Franco Oyuela 12 hours ago. 8 Replies

REALLY????

Started by Danny Gough in HVAC. Last reply by Danny Gough on Saturday. 12 Replies

Where to spend my marketing dollars?

Started by Trip Smith in Marketing. Last reply by Building Performance Institute May 14. 10 Replies

Easy Tests for HVAC during audit

Started by Craig Bird in Weatherization. Last reply by John White May 9. 19 Replies

Water heater ventilation question

Started by Luis Hernandez in General Forum. Last reply by Dennis Heidner May 8. 23 Replies

Polar vortex photos of ice forming INSIDE homes!

Started by Diane Chojnowski in General Forum. Last reply by Michael Cuomo May 4. 1 Reply

LEED for Homes Green Rater Training

Started by Ryan Moore in Training. Last reply by Michael Cuomo May 3. 1 Reply

Latest Activity

Matt Worthy posted a blog post
1 hour ago
Dennis Heidner replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"I believe one of the issues is how does one defend themselves against an HVAC contractor that…"
6 hours ago
Gabriel Perez replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"I’ll give you an a for effort but even in the best cases bubble wrap ( unless it comes with a…"
7 hours ago
Paul Herron replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"I think Ed and his video hit on an important point -- these radiant barriers are primarily…"
7 hours ago
Brett Little posted an event

From Control Layers to High-Performance Enclosures - Free CE Webinar at Webinar Online

May 29, 2019 from 12pm to 1:15pm
High-performance enclosure systems are fundamental to efficient, durable, healthy, sustainable, and…See More
10 hours ago
John S. Rodenhizer replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"Agreed, But this guy fought me all the way. I have completed the rating and the HVAC contractor…"
11 hours ago
Dennis Heidner replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"Links for Build America and Building Science…"
11 hours ago
Dennis Heidner replied to John S. Rodenhizer's discussion Using radiant barriers as duct insulation, Aka "Bubble wrap" What value do you assign for R-value?
"Correct,   but when testing has been done on sealing ducts with wraps... (See the BTO and…"
12 hours ago

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