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Changed flooring to closed crawlspace and got 24000for heating and 27000 approx. For cooling that looks a lot better i couldn't se myself putting in a 3 ton for this tiny house. 2 1/12 I understand...

Ok sorry I'm new this heat load thing company I have been with never did it so I recently took this nci class that included a block load training and program. The crawlspace is under home with one...

I'm using National Comfort Institutes Preload software for block loads. Just did a small 755 sq ft. Load Calc with r 11 (4 in. Fiberglass insulation, house is in banning California load design is 105...

Wow very happy with the responses. Normally there's a few smart ass comments. But I feel very good about how I have been bidding and work I have been providing according to the responses. Thanks...

Sorry for not responding normally I get notifications but havnt. Thank you guys I feel better I guess you can't get them all and when quality is what we offer you need quality customers. Thanks...

I understand we can't talk price but am looking for a guideline on bidding jobs. I normally bid for about a 8 percent net profit which I feel should be around 13% but had a few customers say I came...

I need help posting attachments here can't seem to find the place to clip my pics to a thread.

Ya I was thinking flex, when I hear five ton to me thats residential I.know they have them on commercial applications but I always run flex in residential.. ya the rigid definitley has less static..

I totally agree with you if your bringin in fresh air.. but a 5 ton system needs a 22in. Duct for proper cfm 20 in is just short of 2000 cfms. Im sure it will work with what your saying but I have...

Do you have the common wired in?ive seen them yellow and mostly white. If you have the common wire everything else sounds good maybe your relay or board has failed.

Ya it sounds like its ground check continuity to ground. Something is for sure shorted especially now you say when you remove a wire it doesn't trip.. Good luck

2 30x20 this will be 2400 cfm and will be very effective and quiet with a 18 in duct for each can. There is no other way to accomplish the air flow with a single return air can for a five ton unit,...

Jp moderator im a pro member I dont understand why im being punished please read the thread if you a moderator you should be able to see the advise being given and I am clearly giving the proper...

Ya I should and will be sending in application I have already been warned by moderator.. its just weird they allow people supposedly professionals like you give such wrong info to homeowners asking...

Wy are getting upset? Stuck on old school rule of thumb inaccurate ways? You can't be serious that you can effectively balance system by closing off registers... I said let's start a post on...

I'm just giving feedback and the correct advise you and your contractor are going to do what you want to do I'm giving the proper advise to maximize performance and comfort.. The way you make it seem...

Besides take static reading after you close those registers.. It's gonna jump.. Watch it... When you have a properly sized zone system you will be closing the whole zone off but you have a static...

Come on Rick... I think I will when this battle start a new post and let's hear from the real pros out there.. Balancing at the register is a horrible way of balancing.. I've been certified with nci...

When you take the lowball bid and try to mickey mouse **** to work you will have problems.. you get what you pay for... it isnt as easy as I want to build a room we, just tap off my plennum so I have...

Very horrible practice using registers as dampers... and when you zone there is motorized dampers for the zone and you will have manual dampers at each wye that is feeding conditioned space and...

Why spend the money on a motorized damper if its going to be manually operated.. thats a waste of money unless your zoning.. mho...

What is that for and why di I need that.. how do I get that.

Im sorry mr moderator im not being a smart ass at all but I had reviewed the rules this is the second notice from a moderator I would like a email or message to specify what im saying wrong.. I feel...

He states hard start already installed.. Again get a pro to check... Did you ohm it out? Check cap.. What does refrigerant pressures do? High pressure switch tripping? Possible low pressure switch...

Before any work is performed you need to perform a manual j and d. This is your main issue.. After this is performed then the design process is done. Then the work will be performed... Besides the...

Agree with bald looney some sort of pressure switch.. Air flow restriction or possible inadequate refrigerant charge.. Too much too little. Possible refrigerant leak... You can never rule out...

The unit is level the roof isn't... Damn roofers.... Lol.... Jk.. It does kinda look like the unit isn't on the curb properly...

Get a pro membership and you may get some answers there...

I'm afraid you won't get answers here.. You would need to call a professional to troubleshoot system...... These systems can be very dangerous and could cause death and or property or equipment...

He would need to do A manual j and manual d for the whole house including addition... Not just adding duct and some dampers.. The whole dust system will more than likely need to be redesigned or you...

Perfect thanks guys just need some sort of good refrences for training. Any more advice much appriciated.

I am trying to get any knowledge and training on hydronic systems.can't seem to find any. Are there certain t stats required. What wire terminals control what. I have a very strong and thourough...

Why would it overflow unless something clogs the line that drain is capable of 10 tons.

I have an dehumidifier in the room that has a condensate pump to pump out the water can I add an aditional vent after ptrap on primary line to run dehumidifier hose to or will this cause a backup in...

just applied for pro membership.. i know it says it may take a couple weeks to process does any one know more precise the processing takes. and how do you know your accepted. do they notify you by...

aptv426014 something, dont have it know its important but its a brand new goodman vsd 16 seer air handler. i just installed 5 days ago. my only conclusion is the fan dipswitch setting maybe to high...

i dont have excact model and serial but it is 3 phase 4 ton 460 v heat pump package unit and 2 failed compressor i only replaced one. never pulled out that filter drier/ muffler b cuz i thought it...

i havnt pulled the head off ecm but tech support told me i needed a chip to program board at fau to match requirements for straight cool.. dont get it i have never had to do this.... but if i had to...

no its a filter drier from manufacture ir says right on it.... thank for the reply i know the mufflers but this is a filter drier.

straight cool vsd 16 seer air handler non communicating 5 day old ecm failed? any info. replaced board first and tech supports says i need to get a program chip to reprogram board in fau to match...

why on trane and york package systems the filter drier is on the dicharge line isnt this location a little too hot for these? always stumped on this had a few bad compressors recently, and i feel as...

i believe every 25 ft. vertical a p-trap must be added i may be wrong but for some reason in my head i remember learning this. please feel free to correct me... you can always contact the...

it shouldnt matter just match txv tonnage to condenser/ heat pump tonnage and make sure to get txv that is compatible for HP or AC. whichever your working on.

do you start/run vacuum with positive pressure? i have also had this happen with to much oil... good luck

load calc is the best way to go, the only way to ensure how many btu's are required sounds like a 4 ton is a little large to me. depending on heat load calc i would roll with a 3 ton with 10 kw. not...

get temp reading on each side of liquid drier any more than 2 degress replace. get temp reading across rv valve any more than 2 degrees differrence replace.

Yes but temps were too high and economizer was not open. If econimizer was in use compressor or cond. fan wouldnt even try to start plus economizer would be open.. led indicated for economizer to ...

evaperator fan turns on amp draw is fine, condenser fan and compressor turn on after delay but only for 5-10 seconds and loses 24 volts to cond. fan relay and to compressor contactor. i have 480...

i personally would put a 95% condensing furnace/w 3 ton 15+ seer condenser..I know goodman you will get lifetime firebox, lifetime compressor, 10yr. all parts.. Possibly upgrade duct work depending...

thank you i deffinently know all that... its good to hear from someone who has taken it like i said i feel pretty confident, just seeing what anybody else has to say about it...... thanks again.