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by National Comfort Institute, Inc.
Check Ambient CO While most IAQ problems can irritate you and your customer, Carbon Monoxide can kill. For your safety and to generate CO monitor sales, carry a low-level CO monitor with a digital readout to check CO levels on every service and sales call. Place a CO...
by Michael Weil
Member of the Month, Charlie’s Tropic Heating & Air, Charlie Marks.
Changing Fan Speed with an Adjustable Pulley by Rob "Doc" Falke Adjustable pulleys are the most commonly used method for changing fan speed in commercial balancing. Let’s take a look at how adjustable pulleys work and learn how to adjust them. We’ll also learn how to...
by Jim Davis
Two questions that come up quite often in our seminars is "why take CO or Combustion readings in summer?," and "why take diagnostic training in the spring?" The thinking is "the heating season is over and by the time we use the information from class next fall, it...
by Jim Davis
As you test for Carbon Monoxide and measure combustion efficiency, you'll begin to gather test numbers. Let's take a look at some of the standards, and what test results mean under different testing conditions. CARBON MONOXIDE IN AN OCCUPIED SPACE Reactions to various...
by Jim Davis
If you've been through an NCI CO seminar, you've been taught that when performing carbon monoxide analysis on equipment, CO should be stable and that rising CO is the most dangerous of all CO patterns. On the other hand there are isolated cases where CO is not stable...
Fall and spring seasons lack the extreme temperatures that usually keep our services in high demand. You're required to dig down deep and focus on new ways to generate business. Let's take a look at several approaches you can use in your marketing and daily...
The air filters we use in our heating and cooling systems are becoming more and more efficient every year. Filter marketing brochures compete to raise our awareness of the legions of dreaded unseen airborne enemies that threaten the peace and security of our homes....
by Jim Davis
Calculating Heating Energy Savings It is safe to say 98% of equipment in the field is underfired at factory settings, making that equipment quite inefficient. It can also be said that two-stage equipment can be even worse, especially in "low-fire" mode. To tune this...
by National Comfort Institute, Inc.
Some rooms present a real challenge when it comes to determining how much air to deliver. The problem is that heating or cooling load airflow requirements are sometimes very different from ventilation airflow needs. When you find yourself wrestling with this scenario,...
