Air-Conditioning and Refrigeration Systems

The Successful HVAC Company

According to industry experts there are over 100,000 HVAC contractors currently doing business in the U.S. However, statistics show that 50% of small business startups fail within the first year and 95% fail within five years. Therefore, the 100,000 plus contractors successfully doing business have figured a thing or two out. Let’s look at some standard business practices of these HVAC companies that keep them profitable and out of the failure statistics.

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The Successful HVAC Company

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Top Advantages of Mini-Split Systems

The mini-split heating and cooling system was an idea that evolved from the basic window air conditioner. Window units are simple installations that offer room by room temperature control if enough are installed. However, window units are noisy. To minimize noise, the window unit compressor was moved to a remote location using refrigerant lines to connect to the inside fan-coil. As a result, the mini-split system was born. This product first saw mass appeal in Asian markets. Today these systems are found throughout the world and has become a big player in the domestic HVAC market.

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Duct Material Comparison for Residential Installations

When homeowners receive quotes from HVAC contractors, they typically are given two duct replacement options, sheet metal or fiberglass duct board. There is a third option, phenolic duct, that is made of plastic foam with a foil liner on the inside and exterior. It hasn’t been on the market long enough to weigh in on its merits and shortcomings and will not be included in this comparison. Homeowners usually go for the product their HVAC contractor recommends; however, all systems have their strengths and weaknesses. Here are the advantages and disadvantages of two of these materials when installed in the typical residence.

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How Do I Renew My Georgia Air Conditioned Contractors License

Georgia Air Conditioned Contractor licenses have an upcoming expiration date of 11/30/2019. Licensees must renew their license before the expiration date in order to keep it valid.

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HVAC Service Tech 101

The Refrigeration, Heating, Ventilating, and Air Conditioning industries (HVACR) are still growing even though they have been in existence for about 150 years. Hundreds of refrigeration uses including fresh food preservation, air-conditioning, and cryogenics should propel the industry well into the next millennium. That kind of growth sounds like a man power issue doesn’t it? So, lets discuss what it takes to be a HVACR technician.

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The Future of the Gas and Oil Furnace

It’s mid-January and 15 degrees outside. A fresh snow has fallen and covered all the roads and yards in your neighborhood. Thanks to your natural gas furnace, your home is a toasty 70 degrees. This is because a properly installed gas furnace has a large temperature rise that heats your home quickly and works very well on high demand days. Could it be possible that a new gas furnace will be unavailable as a home heating appliance in the coming decades? Not only is it possible, it is probable.

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Who Needs A Load Calculation?

There is an old joke among HVAC contractors. When bidding on a replacement system for a customer, step back 100 feet from the house and hold up your hand. If three fingers will block the view of the house, install a three-ton unit. If it takes four fingers to block the view, then install a four-ton unit. That meager attempt at humor does highlight an issue that has been kicked around since the beginning of the industry. Are load calculations necessary? If so, how do you properly size a heating and air conditioning system for a house or commercial building?

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Online Continuing Education Classes Now Offered for HVACR License Renewal

JADE Learning, a nationally trusted electrical continuing education provider, now offers online CE courses for HVACR technicians in 12 new states across the U.S. with courses approved for New Jersey coming in the Fall of 2019. JADE works with each state’s board of contractors to design approved courses helping heating, ventilation, air conditioning, and refrigeration technicians meet continuing education requirements for license renewal.

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The Air Conditioning System of the Future

Back in the rural south, around 1940, power companies would mail flyers to their customers at the beginning of summer. These flyers would give tips on how to stay cool during the hottest days ahead. Some of the tips were; grow ample shade around your residence, stay inside during the hottest part of the day, use open windows for increased air circulation, and keep wet towels available to cool your forehead and neck. Homes, in those days, were designed to facilitate air movement. Large porches and arched ceilings in hallways enhanced air currents that moved freely through the structure. These conditions were the norm for homeowners before the availability of affordable air conditioning.

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HVAC Challenges in Historical Buildings

There are quite a few challenges to hurdle over when installing or upgrading HVAC systems for historic buildings. A major dilemma arises for HVAC technicians when you are charged with the task of providing a system that meets the needs of those occupying the building while also preserving as much […]

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