Closing Off Part of the House To Save Energy on HVAC - I have a Heil gas/electric package unit in my home. I, particularly, want to know, if I can close off a section to save on heating. Heating dealers have not been helpful as they hedge on whether and how this can be done with the system still running at its most efficiency.
I have closed doors to seal off the area. Then closed floor registers. Should I also close air return in that area? I just read this should not be done at all as it decreases unit efficiency? Will you please advise. I am thinking of closing off part of the house to save energy on HVAC. Thank you. (more…)
Air Conditioning and Heating Sizing - It is not uncommon for HVAC estimators or HVAC contractors to use various rudimentary techniques, which are generally referred to as rules of thumb. Some will say on the low end you need 1 ton of cooling for every 500 square feet.
On the high end, you will need 1 ton of cooling for every 700 square feet. These rules of thumb will also generally take into account a basic heat gain calculation for the kitchen and the number of people who will occupy the structure. (more…)
Data Center Perforated Tiles for Cooling Servers - There is a lot to consider with perforated tiles in data centers and depending on who you talk to you will get different answers. The server floor in a data center is typically built on a raised floor with cold air being pumped under the floor by large CRAH (Computer Room Air Handlers) or CRAC units (Computer Room Air Conditioners). (more…)
Prevent Poor Ventilation in the Home - You already know that inadequate ventilation in the home can lead to mold, mildew, and poor indoor airflow. This, in turn, can trap pollutants indoors, leading to allergies and other, more serious health risks. So what can you do to prevent this? Fortunately, you have several options, including energy-efficient ones. Here are some of them. (more…)
Bad Ductwork - Ductwork is necessary to deliver the air throughout the HVAC system. It is important that the system has integrity with no leaks. Ductwork is made of different materials. Duct systems also have different construction methods which hold the ductwork together.
Pictured above is an old ductwork system (which needs to be replaced) made of duct board, which is a rigid fiberglass board, metal, and flex ductwork. The duct board is cut to size from the ductwork sizing requirements for the tonnage and taped together with special duct tape. For the branches coming off the duct board trunk, metal collars are inserted into holes cut to size in the duct board. Flex ductwork is attached to the metal collars for the branch ductwork. (more…)
HVAC Tip - You can add energy savings by placing a blanket wrap insulation around your water heaters. Additionally, for electric water heaters, you can have a timer added to the power circuit to turn the water heater off in times when there is no usage. For example: Set the timer to turn the water heater off from 10 p.m. to 4 a.m. Most timers can be customized and set for different times so that the water heater is turned off for most of the day and night. This, along with the insulation (which will keep the water hotter longer), can save in energy usage and your energy costs.
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Closing Off Part of the House To Save Energy on HVAC - I have a Heil gas/electric package unit in my home. I, particularly, want to know, if I can close off a section to save on heating. Heating dealers have not been helpful as they hedge on whether and how this can be done with the system still running at its most efficiency.
Data Center Perforated Tiles for Cooling Servers - There is a lot to consider with perforated tiles in data centers and depending on who you talk to you will get different answers. The server floor in a data center is typically built on a raised floor with cold air being pumped under the floor by large CRAH (Computer Room Air Handlers) or CRAC units (Computer Room Air Conditioners). 
Bad Ductwork - Ductwork is necessary to deliver the air throughout the HVAC system. It is important that the system has integrity with no leaks. Ductwork is made of different materials. Duct systems also have different construction methods which hold the ductwork together.