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Home » Topics » HVAC Contracting

HVAC Contracting
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Business Leaders Say Collaboration Is Key for Energy Innovation

January 9, 2012
New research from Harvard Business Review Analytic Services says business executives advocate collaboration between the private, public, and nonprofit sectors to speed new energy innovation. The research also found that while business leaders are willing to play their part, government leadership in energy policy is essential.


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Btu Buddy 105: Furnace Vent Problem

Bill Johnson
December 19, 2011
Tim and Bob have been sent on a service call to a new customer’s house. The homeowner has an unusual complaint. She said that she thinks she has a furnace problem because there is mold in her house. They don’t know what this can be all about.


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Tips for the Installation and Use of Backup Generators

Hartford Steam Boiler Offers Information for Safe Use and to Help Prevent Loss
December 19, 2011

Consumers and businesses are expected to purchase thousands of backup generators as a result of recent record power outages in the Northeast, but the Hartford Steam Boiler Inspection and Insurance Company (HSB) warns that improper installation can cause fires, property damage, and even serious injury or death.


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What Employers Can Learn From the Hertz Controversy Over Prayer at Work

Richard D. Alaniz
December 19, 2011

Religion in the workplace can present a difficult balancing act for employers. Failing to strike the right balance can lead to clashes with workers and unions, potential lawsuits, trouble with federal regulators, and a negative public image.


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Dais Receives DOD Funding for Dehumidification Project

December 19, 2011
Dais Analytic Corp. announced that it has been selected to receive grant funding by the U.S. Department of Defense’s (DOD’s) Environmental Security Technology Certification Program (ESTCP) for development and installation of an advanced outside air handling system using Dais’ patented Aqualyte material.


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Can You Reduce Chiller Maintenance?

Mike Taitano
December 5, 2011
I simply don’t know of any way to reduce chiller maintenance (recommended scheduled maintenance), below industry standards and manufacturer recommendations, without reducing the system’s long-term efficiency and working life.


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More Fans or Fewer: Optimizing VFD Control

Brian Dolin
December 5, 2011
This article compares three schemes of fan control used on large air conditioning and refrigeration condensers. The first scheme is step control; the second is a hybrid with a VFD on only one bank of fans, while the rest remain step controlled. The final, and most efficient, scheme is VFD control of all fans, at all times.


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Getting Naked With Homeowners

Michael O'Grady
December 5, 2011
Sometimes you may have to play mediator and ask tough questions to get homeowners communicating with each other about a furnace, an air conditioner, or a necessary plumbing repair when they can’t even agree on what’s for dinner. That’s allowing yourself to get naked with homeowners.


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Partnership Brings Solar Tracker to Northern New England

December 5, 2011
A new partnership will bring the Vermont-manufactured AllSun Tracker solar electric system to homeowners and businesses throughout northern New England. The dealer partnership is between installer ReVision Energy and solar tracker manufacturer AllEarth Renewables.


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Btu Buddy 104: Bob and Tim Continue Heat Pump Repairs

Bill Johnson
November 21, 2011
Bob and Tim have arrived back at the apartment building where they have been working for several days inspecting and making necessary repairs to the building’s split-system heat pumps. Bob said, “Check the list for another unit that seemed to have a problem and let’s take a closer look at it.”


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