A new class of economically viable solar power cells - cheap, flexible, and easy to make - has come a step closer to reality as a result of research at the National Institute of Standards and Technology (NIST), where scientists have deepened their understanding of the complex organic films at the heart of the devices.
Bob gets a service call where the owner says there is not enough heating at one end of an office building. With Btu Buddy's assistance, Bob checks the duct system and finds that a piece of duct liner is laying down in the duct blocking the airflow and he proceeds to correct the problem.
With help from James River Air Conditioning, the Children’s Museum of Richmond has substantially reduced its utility usage implementing the contractor’s Practical Green® solutions - a combination of preventive maintenance and retro-commissioning - designed to reduce operating costs and extend HVAC equipment useful life.
On Jan. 1, amendments to the Americans with Disabilities Act (ADA) took effect but the new amendments left many unanswered questions. Now, as instructed by Congress, the U.S. Equal Employment Opportunity Commission (EEOC) has proposed rules designed to bring some clarity to both employers and employees.
Seeing the large increase in heat pump shipments in July gives us all a glimmer of hope as the economy continues to recover. I also find this to be an encouraging sign because many of us have heard that heat pump technology can often be very confusing as consumers determine whether it’s a good option for their homes.
An excellent way to promote the experience and expertise of your contracting company is to establish yourself as an HVAC expert. An expert becomes the go-to person when consumers have comfort questions or problems. It can help make you and your company more well-known and prominent in your community.
In this troubleshooting situation, we have a customer who is complaining about one of the bedrooms in their home, specifically that the gas furnace doesn’t warm the room properly. When you arrive, you find that the bedroom in question is the furthest from the furnace, and that the duct system is an extended plenum system.
Veolia Energy North America awarded a design/build contract to Progressive AE to upgrade its Grand Rapids district heating and cooling system. The firm is designing and installing a cutting-edge condensing heat exchanger, a sophisticated heat recovery technology that will reduce the volume of fuel consumed by at least 5 percent.
While many contractors are still hesitant to try refrigerant sealants, Brothers Air, Heat & Plumbing trained its service techs not only in proper application, but also how to market sealants to customers with leaking equipment. When the recession hit hard, Brothers policy of using sealants positioned them to not only retain customers, but add to profitability.
Their last service call is continued as Bob and Btu Buddy meet for lunch at the restaurant where the call occurred to discuss dew point. The duct through the dining room was dripping because the duct surface temperature was below the dew point temperature of the room and moisture formed on the duct surface.
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