Reduce noise & vibration from HVAC system ?
opaone
5 years ago
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opaone
5 years agoRelated Discussions
Opinions on a quote to replace two HVAC systems
Comments (7)Thanks for all the responses, I'll try to answer as many questions as possible. Tiger: Location is Atlanta, GA a note about the AC units, those are not heat pumps. Ryan: A load calc was not performed but was offered, before contract is signed I'll insit on one to confirm all of the sizing changes. I'll confirm the 5K unit is incorrect. As a starting point (lots of variables at play) we based the sizing on the current systems and their ability to keep up with demand. As a reference our current bills are about 150/mo in winter for gas and 150-200 in summer for elec. The current living space is 2600 sq ft with 8 ft ceilings, system 1 was sized to be able to handle an additional 1000 sq ft basement which will probably be finished in 1-2 years. Anticipation is that when we finish the basement we'll come back to reroute ductwork and zone it from the first floor. My though was to go ahead and get the proper size for the area, so after all is said and done there will be 3600 sq ft of living space. House was built in 86 and has not had any major changes to it so windows are all single pane and can be a bit drafty. I do not expect to replace windows in the future but do plan on sealing the house up more....See MoreNeed expert guidance for a new HVAC system
Comments (34)Guys, I have gotten stuck in between two systems for my final decision. Please help me out to pick the right one. I am trying to decide in between these two ; #1 - Bryant 6129135 Active Systems BRYANT HEATING AND COOLING SYSTEMS PERFORMANCE 13 PURON HP BRYANT HEATING AND COOLING SYSTEMS 286BNA048****B CNPV*4821AL*+UI 1300 1040 315(A,J)AV048090 45500 11.50 15.50 46000 8.20 29600 1 HRCU-A-CB 355 1140 also includes - Evolution touchscreen thermostat and comes with free Bryant Air purifier - one year test drive - I don't know how it works but they say they will provide 100% refund if I am not satisfied with the system within a year from the installation date #2 - Trane 5768796 Active Systems XR17 TRANE 4TWR7048A1 4TXCD063BC3 1370 1090 *UD2C080B9V4 48000 12.50 17.00 45500 9.00 30400 1 HRCU-A-CB 342 1077 Yes Not include thermostat. will use exiting HW VP IAQ includes GPS-2400 plasma air cleaner price wise the Trane is roughly $200 more expensive than the Bryant after the tax credit is deducted Both contractor will add two returns and one supply and will fix the distribution issues in my current duct work. Based on the notion I got; both contractors are very capable and have very good reputation I am more inclined to Bryant due to evolution controls. I do know Trane is very reliable and efficiency wise it is a little more efficient compared to the Bryant system. to me $200 difference in price is very negligible. I just want to make right decision. I got stuck! PLEASE HELP......See MoreHVAC noise problem
Comments (5)Mike - thanks for the thoughtful questions. It is a 4-ton unit. The main supply duct is 8 X 10 inch galvanized and then the runs are 6-inch galvanized pipe. They did come in and made some adjustments and it looks like they insulated the outside if the tube pipe for about 5 feet from the main supply trunk (it might be just flex tube, I have to check it out). What they did has made it better, but still not as quiet as I think it should be. I am thinking the lining/insulation should go on the inside or is it all about velocity and size, so maybe a bigger duct size for the run? Thanks for your input....See MoreNeed Help for Replacement HVAC System
Comments (38)Thanks, @mike_home and @tigerdunes. I followed up on your advise and asked AS dealer to quote me the 60K platinum furnace (originally, he had quoted an 80K platinum one). No change in price! So I can get either one, but they will charge me the same $$! The other Trane dealer that I have short listed is quoting me 60K XV80 furnace, with the configuration @tigerdunes suggested in the previous post. However, I did notice that the Evap Coils they have quoted are different ones: 4TXCB006DS3 vs. 4TXFH036CZ3. The Trane dealer told me that these are two different types of coils (Box Coil vs. Slab Coil, respectively). With the second one, the 60K XC80 furnace (*UD2C060ACV3) will give 13.00 / 16.00 rating, qualifying for tax credit. So my final (hopefully!) questions are: If there is no cost difference b/w 60K and 80K furnace, what are the negatives for opting to go for a bigger furnace (to get the tax credit)? Is it worth going to XC80 furnace (60K or 80K) to get the tax credit as long as the cost difference is less than $300)? Would I get any benefit of the "communication capability" of the furnace or to get any benefit, I also need to upgrade my outside unit)? Which of the above two coils (DS3 vs CZ3) is better - design / functionally / performance wise? May be I am nit-picking here, but lack of knowledge/expertise is making it difficult to figure out a "right" combination. The dealers here are not very helpful. They just want to use the same components that they have used in the past. I sincerely appreciate everyone's help here. You guys have been God-send to help me navigate through this minefield of HVAC land!! Somehow, a simple Thank You does not seem adequate. But unless I can think of a better way to express myself, that's all I have. So, Thank you all, esp. @mike_home and @tigerdunes....See MoreElmer J Fudd
5 years agoopaone
5 years agolast modified: 5 years agoCJ Mechanical of North jersey llc.
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5 years ago
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