hvac system looks sloppy.
Phuong Ngo
4 years ago
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4 years agoAustin Air Companie
4 years agolast modified: 4 years agoRelated Discussions
HVAC system in a new house - quote and system feedback
Comments (6)clockwork you will always get more comfort and control from multiple systems over a single system with zoning controls. however, a zoned system like you have listed is certainly a viable second choice and not overkill. dealer must do his load calcs for equipment and Man D for ductwork sizing/design. Ductwork should be insulated probably R8. I would want metal trunk lines for both supply and return. what did dealer propose? I think your biggest challenge is verifying your dealer's experience/expertise with a sgl system using zoning controls. I recommend going to visit a newly constructed home similar to yours where zoning controls were used and discuss with homeowner. Zoning is not for the inexperienced. how much is this system? IMO Good Luck!...See MoreHVAC: House Design - HVAC input please
Comments (6)I suggest separate systems for the first and second floor. That is the best way to have even temperatures on each floor. It costs more up front, but you potentially have lower operating costs. You could zone the loft off the second floor system. However if you are going to be working 10 hours days with multiple pieces of equipment generating heat then spend the money on a mini split....See MoreHVAC Dilemma! i want some help in regards to my HVAC system . thank y
Comments (11)Sizing can be less of an issue when you have multiple units. Because each unit is controlled independently, provided of course the unit itself is not over sized for the area in which it serves resulting in excessive short cycling. In your case 3 ton plus 2 ton isn't necessarily equal to 5 tons of cooling... unless you drive those thermostats really low. By having two systems with total capacity of 5 tons (which, most of the time this would be oversized for a 1700 - 1800 sq ft structure) has a few advantages. 1. You have the ability to use one system only during low heat days or set the opposing unit higher. The unit set higher only runs if load conditions warrant.... meaning if it's not hot, the thermostat controlling the unit does not call... the unit can not run without a call... 2. Utility bills can be much less... because you rarely use both systems at the same time. You run the bedroom system when you sleep, the other when you're awake. If you have a home office in one the bedrooms you may need to rethink things a bit. 3. Extra capacity for when it's hot out. When it's hot you have the capacity to cool the home. (even while entertaining guests --- additional people add heat) Remember heat waves come, heat waves go... a so call 'properly sized' AC system is essentially properly sized roughly 10% of the time... especially if that system is a single speed AC system. Alot of people I come across like to sleep cool. So for that reason I doubt I would change the configuration of the space. Once you realize what you have, the choices you make are mostly budget type concerns. Essentially a set up like this runs like a 2 stage system. This kind of subject is above the pay grade of many... choose your contractor wisely. I service the Katy, Texas area....See MoreLooking for approximate cost for hvac system.
Comments (4)When it comes to HVAC, now is probably the worst time "ever" in history -- to replace an HVAC system. Why? The industry is right at the cusp of changes that pretty much effect upwards of currently 70% of what is made now. By the end of the year everything made now the left overs, the stuff that doesn't comply will be illegal to sell in Texas --Florida probably won't be much different. Part of this is due to DOE changes to what efficiency standards are going to. SEER to SEER2, they changing the calculation to these efficiency requirements. To make matters worse... R410a -- a refrigerant that has been used for just over 20 years now, is on the chopping block. Prices are already up over 300% since middle of last year or so. Equipment, what can be found the prices are up across the board. If you can find it and need it you better buy it before someone else does or do without. The world has changed from what it used to be thanks in part to a perfect storm. Now if your view is that R410a systems are likely to be better than anything these manufacturers can produce looking forward for the next few years due to what is likely to be refrigerant wars breaking out among mfgs and you want to try to skip all that nonsense of what is coming... then find a system that does what you like now... because what is coming *could be* one hell of a mess. If your system develops a leak, pay someone with skill to fix the leak. Interesting times we live in right now. History... like it? hate it? Make your voice known and I may include your opinion in an upcoming video on my YOUTUBE CHANNEL I service the Katy, Texas area....See Moremike_home
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