Heating my new house is KILLING my wallet, any HVAC experts?
Jeff D
4 years ago
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tigerdunes
4 years agoweedmeister
4 years agoRelated Discussions
Need advice on hvac as cancer patient coming to my home in 3 week
Comments (2)tomylake I would not zone the upstairs area. You would probably get better airflow though if air handler was relocated to attic. I assume current arrangement is a chase from crawlspace to attic ductwork and ceiling registers for 2nd floor area. is this correct? I would proceed with return modifications for upstairs. If you are happy with current comfort for 2nd floor, then keep new air handler in crawlspace. I would address issues for heating/cooling finished basement area off main floor system separately. Zoning controls may be a possibility and/or improving supplies and return to this area. Obviously needs an evaluation by experienced dealer. I have to admit that your issues are difficult to advise and solve without an onsite inpection/assessment. I would lean on your dealer for best advice as long as you have confidence in him and he has demonstrated experience in zoning/zoning controls. IMO...See MoreNeed help choosing an HVAC setup in my home
Comments (9)Thanks tk03. I understand what you and udarrell are saying. I have a call into a window joint to see if I can get storm windows on my house soon. At the same time, I do need to act on a new system soon, too. So, let's say I get the house fairly sealed up with storms, maybe new weather stripping around the doors if needed. Then, from my OP, which system set up would be optimal for 2700-2800 sq. ft. home with 17 registers (+ 5 more in basement) and which of the dealers has done an adequate job of sizing my needs? Here's what my Trane rep had to say about my questions: "The static air pressure test is not required. Balancing of the dampers can make a nice improvement, without the static air pressure test. The exposed ductwork in the basement can be sealed with foil tape or duct sealer (caulk type or 1 gallon can). Home Depot has those items so you can do on your own if you like. The cost for us to do the duct sealing would range from $250.00 to $500.00 depending how much time it would take. The air infiltration for your home is most likely average, the equipment that I recommended will do the job well. The duct sizes within the walls cannot be modified to increase airflow very easily. The existing ducts that are in your house are typical for the homes in the area. The variable speed furnace will react to the duct work and adjust airflow. How? Electronically it monitors the RPM of the motor and checks the amp rating and speed settings. If it is not moving fast enough the power level is increased to the motor and the speed is increased. The current furnace cannot respond to the ductwork like the XV95. The TRANE XV95 can move up to 40% more air." My response: "I'm just concerned that if I were to make home improvements after purchase (buy replacement windows) that the furnace and/or AC would be oversized for my needs due to higher efficiency, less heat gain/loss from the replacement windows. At the sizes you recommended, would I be in danger of the AC satisfying the thermostat too quickly or not removing the proper amount of humidity if I were to tighten up the house with new windows, thus still leaving me with warm/cool spots in my house?" Again, thanks for your help! - Angrysalad...See MoreIs my HVAC high limit switch working or not? Two HVAC pros said it is.
Comments (25)WHAT IS A HIGH LIMIT SWITCH? https://www.newcentralairconditioner.com/ The high limit switch in your gas furnace is a small part with two very important jobs. This switch plays a role in the normal operation of your furnace. Turning the fan motor on and off is the high limit switch’s main job. This is the role it plays in every cycle of your furnace’s normal operation. But that’s not the only thing that the high limit switch does. It’s also safety device that helps prevent your furnace from overheating. The high limit switch consists of a long temperature-sensing probe attached to a metal mounting plate. From the mounting plate, the switch is wired to the blower fan motor and to the gas valve. The switch is generally located just past the heat exchanger. This is so that it can detect the temperature of the supply air. In other words, the air that’s about to be blown into your home....See MoreSingle HVAC zoned or two HVACs without zoned system
Comments (27)The biggest problem with HVAC zone systems is knowing when to choose it as a solution and when not to. Some HVAC companies it's about "sell, sell, sell" whether or not it works... there's more money in "sell, sell, sell" --- when it's only about money? So does the comment above mean I do it for free? No. If you think that you are reading things that aren't there. New construction? best to choose separate systems 9 times out of 10. In order for a zone system to work, you have to know what you are doing. Most HVAC companies staff (the techs they send you) are 20-30 year olds. How much practical experience could they possible have? It's best for HVAC zone systems to be an elegant solution. A HVAC zone system is a tool in the tool bag. Not all homes are suitable for zone systems. Some homes there is no other way, and in some cases complications to those problems will make an HVAC zone system design possibly more prone to problems. You have a problem now, do you want more problems. These decisions among others are decided "in person" --- so considering that becareful what information you decide upon from the internet. Just because it's here doesn't necessarily mean it's true. That said: Depending on equipment level chosen, how many different floors you have in your structure, how much room you have available... will all be factors that make you decide one way or another. From there it's in your best interest to pick a contractor that is skilled: especially when it comes to HVAC zone systems. (there's a lot of garbage out there.) (click to enlarge if necessary) I service the Katy, Texas area....See MoreAustin Air Companie
4 years agotigerdunes
4 years agoJeff D
4 years agolast modified: 4 years agosktn77a
4 years agodadoes
4 years agolast modified: 4 years agokevinande
4 years agomad_gallica (z5 Eastern NY)
4 years agoAustin Air Companie
4 years agolast modified: 4 years agoJeff D
4 years agosktn77a
4 years agoJeff D
4 years ago
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