Indoor Air Quality & Ventilation
2012 Guide to High Efficiency Air Conditioning
As a sales tool, our annual guide enables you to compare the industry's top units side-by-side. ...
You Don’t Have to Dig Deep to Sell Geothermal
your knowledge is a crucial component of helping customers make the choice to invest in a geothermal system. The first-cost price is unquestionably higher than that of a conventional system and your ability to educate homeowners on the true, life-cycle cost of the equipment is key....
Troubleshooting Electronic Zoning Systems
There are two basic types of zoning systems: pneumatic and electronic. The difference is how the dampers are opened and closed. Although much of what we’ll discuss here could pertain to either type of system, the focus of this article is troubleshooting electronic zoning systems on a service call....
Simple steps ensure good IAQ in commercial buildings
Indoor air quality (IAQ) issues can arise in any building — new or old. But they’re not inevitable. In fact, a building owner’s best defense against IAQ problems is a skilled HVAC technician who knows the proper steps to take to ensure a healthy indoor environment....
The Sigman Story: Building Geo, Hydronics Business from the Ground Up
Sigman Indoor Climate Solutions, LLC hasbuilt a reputation as the company of choice for geothermal and hydronic systems in an area stretching 50 miles in any direction. ...
Improving Motor Efficiency in Hot, Dry Climates
A latent energy recovery module increases the time delay in a standard air conditioner, so that it can take advantage of the evaporative cooling on the indoor coil....
2011/2012 Guide to High-Efficiency Gas Furnaces
Contracting Business' 28th Annual Guide to High-efficiency Gas Furnaces...
Why a Three Ton System is Really a Two Ton on a Hot Day
It's that time of year when we get calls on a hot afternoon and hear our customers complain, "Our unit isn’t keeping up, and we need a service call." ...
IAQ and Energy Efficiency: The Perfect Sales Combo
There are a number of IAQ products and services that can actually improve the efficiency of a heating and air conditioning system. When we train technicians and salespeople on this philosophy, we start by talking about what’s ideal for the system....
On the Spot and On the Job
For many years, portable air conditioners — also known as spot coolers — were thought of only as temporary solutions for emergency applications. However, these durable, versatile pieces of equipment often can be used in permanent applications, such as computer server rooms, or in manufacturing processes. ...
Seal & Supply Solves Bathroom Mold Strife
I live and work in humid Myrtle Beach, SC and have had a number of "mold in the bathroom" calls over the years. Recently, a homeowner called about mold growing on the walls near the ceiling. ...
2011 Guide to High Efficiency Air Conditioning
As a sales tool, our annual guide enables you to compare the industry's top units....
Hoosier Efficiency from a Mod-Con Boiler
The chairman of the church's grounds and maintenance committee told us that he wanted the highest efficiency system. He had access to funds for a boiler replacement project if the new boiler(s) would save the congregation money. Knowing that saving energy and money is what mod-con boilers do best, I suggested we head for the boiler room, so that I could assess the situation....
Cool & Quick: Emergency Cooling
When customers get hot over an unplanned cooling failure, help keep them — and yourself — cool, with portable spot cooling. Models exist to meet every need....
2010 Residential HVAC Contractor's Guide to Total Comfort
This special section is designed to help keep you abreast of the latest ideas and advancements that enable you to provide your customers with the most comfortable and safe indoor environment possible....
Testing, Adjusting, and Balancing: Keys to Total Comfort & Efficiency
Contractors striving to provide total comfort to customers without including testing and balancing are missing a big piece of the comfort equation....
Filters: Prevent Air Side Issues at the Source
Filter maintenance is often maligned and thought of as minor when looking at the overall maintenance program. It is, however, important to the efficient operation of the equipment, and will reduce the amount of labor that will be needed when the annual cleaning is performed. ...
Tech Update: Residential and Commercial IAQ
Listed below are some of the latest Humidifiers/Dehumidifiers, ERVs, HRVs, UV Lights, Filtration Systems, and Duct Cleaning Products on the market....
How to Properly Seal Ducts
Duct leakage associated with forced air HVAC systems has proven to be one of the largest energy wasters in our industry. Just like many things in the HVAC business, the devil is in the details in regards to duct sealing. Depending on who you talk to, you could get a number of different answers on the proper way to seal a duct system. There are a lot of different tools, materials, methods, and testing that contractors are using to seal ducts. ...
Cooling’s Dynamic Duo
Subcooling and superheat can be used to effectively check the proper operation of any air conditioning system. A complete understanding of superheat and subcooling are keys to performing an accurate troubleshooting session. ...
2010 Guide to High-Efficiency Air Conditioners
As a sales tool, our annual guide enables you to compare the high-efficiency air conditioning industry's top units side-by-side....
Energy Efficient Technology
Rheem Introduces Super Efficient Geothermal Heat Pump. Rheem breaks new ground with the introduction of a Prestige Series 27 to 31 EER geothermal heat...
Trane Introduces 17 New Products, Completes Refrigerant Conversions
In October 2009, Trane completed the introduction of 17 new products and concluded a refrigerant conversion for it's entire unitary product line in the Americas. ...
