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when you are cooling, do not keep thermostat to fan on. leave it on auto. when you keep your fan on at all times your a/c works to remove humidity then shuts off but your fan keeps running. your coil...

if you say your house is really dry, try a duct mounted humidifier. with a return in your basement it will pull in the dry air and add moisture to it. im from MN himidity is terrible here . dew...

a aprilaire himidifier is a smart investment especially w/ hardwood floors. if you can raise the humidity it makes it "feel" warmer. electronic air cleaners i feel are a waste of money. they...

thats funny what an idiot. im from mn been installing for 6 years now . 90's are the way to go. if that flue ices up its 100% from improper installion. i work with guys that have 3 months...

$500? holy shit thaTS alot should be more like 75-150. definetly need a return to help spread air for more equal distribution, remove humidity from the damp basement in summer and provide...

being as the room is entirely surrounded by unconditioned spaces (attic above garage below) lot of heat loss and gain. you will definetly HAVE to have sufficient supply and return . if i cant get...

im only a residential tinner and that house is about 10,000 more sq ft then anything ive ever seen. im not sure about residential systems . thats most likey a commercial job. u start getting into...

make sure to use a longthrow copper 90's where needed. i use longthrows on anything bigger than 5/8

ive never seen a fan above a shower ever. a small bathroom only needs a small 50 cfm fan usually by toilet. larger bathrooms yeah panasonic 90-110 cfm fans are nice near a whirlpool, if your...

freeon is to exspensive i put water in there and it works great

is there a floor heat close to a tub in a bathroom that maybe had water splashed into it? maybe near a front entry way? heats are usually placed near windows (most heat loss and gain) when there...

and id say for non stop running it costs maybe at most $20 a month

i have a 3/4 ton window a/c that cools a 900sq ft rambler to 70 when its 90 degrees plus. when the temps dropped into the 70's at night , i had a heating only thermostat (only way of turning it off...

i would start by figuring out wht the return airflow is so weak

hope u have clean filters, start by reaching hand in register to see if a damper is closed inside the run. returns wont be dampered. probly just a bad run, not smooth, sharp bends etc. if u have...

quit being cheap metal pipe is much better airflow than flex i wouldnt want 1 piece of flex anywhere in my house no limit to length? a 20 ft supply flex with a bunch of bends in it terrible...

sorry from minnesota. when i say heats i mean supplies :) read you had baseboard heat

how many heats ? how many returns? sizes of all? nice smooth runs? sharp bends in flex is horrible. shouldnt run more than 10 feet of flex anyways per run, returns are more leniant. any longer...

what state u in? 50 yr old house id have my attic insulation professionally inspected and make sure those old ducts are nice and shiny on the inside. these are rough guesses only have so much...

something is obviosly wrong. i bet a new apprentice went to town in there and did alot of little hard to see but critical errors. i get to train these new guys in and it makes me feel like a...

thanks , kinda thought that after i already sent and thought about it. my dad has a eac in a 1600sq ft townhome he has 1 bedroom upstairs that doesnt cool good. i told him to always run his fan so...

would it be more efficient to turn a zone system into a single zone system? no . be cheaper to operate at your comfortablities expense. i have nothing against single zone systems they work great. ...

why does keeping stat on auto remove more humidity then ON? just curious

most definetly need a return installed and maybe an additioinal supply. hard to say w/o seeing. a low installed return will help "pull" the heat which comes from the ceiling, helping spread the air...

flex is great if used correctly. a smooth S run in flex is better airflow than 2 hard sharp turns . where its straight use pipe and never use more than 10 feet of flex in a run.

dont make things more complicated than they are. check filters . feel registers good flow coming out? are return airs free from obstructions? outside unit clean? coil draining properly? alot of...

the goal of the insulation is to keep it from sweating, and absorbing unwanted heat. the refrigerant should only be absorbing heat from your return airflow. why add extra heat to the refrigerant so...

anyone have any tips for removing baby birds from bath fans ? the siders come by and j block around the hood on exterior and knock the cage off. spent 4 hours with me and another guy on a 6 ft flex...

right now 30 -35 % of your heating bill goes out your roof and doesnt even heat your house. on a $300 bill , 100 bucks goes out the flue replace that antique

im from mn so i think your climate is similar. your old furnace is most likely 70% efficient is 120,000 btus input or output? if its input btus take 70 % of that, 84,000 is what you need for...

shut down the valve on the little line and run the unit until it starts making loud bangs then shut the other one and hope you can run fast

your a coil is gonna absorb way more heat than the condenser can get rid of, higher pressures and temps, shorter equipment life.

ive never heard of the indoor coil being more than a 1/2 ton larger than the outdoor not a master but 6 yrs experience and a degree

is it unfinished below? or does it come from above? either way would be easy to move but if its coming from below and its finished then you might have to drop the lower ceiling, remove the upper...

55 years of company experience my boss knows in 10 seconds what size furnace and a/c w/o manual j

replace both they should no better they just want the new condenser to outwork the old indoor coil so it will fail and then they can get more $$

what are the differences between how a piston or txv modulates refrigerant flow? what are the pros and cons of both ~~just curious~~

wow i never thought about such large a/c 's down south we it takes a 4-5000 sq ft house to get 4 or 5 tons of cooling in mn

new construction , very tightly insulated homes , master of airflow

you would have to check codes, but here in minnesota you cannot run more than 14 ft of flex per run on supply. return air has no flex limits, use common tinning sense a return 25 ft or longer isnt...

r-22 40 ft linest 5/8 3/8 9 7''r/a 17 6'' s/a

here in minnesota 2400 sq ft we put in 2 .5 tons and they work great 20 degree td on a 95 ambient w/ high humidity

i dont care for it its ok a c maybe dont like the deadheaded supply trunks

you make ductwork look 10 times more complicated than it should be

wow thats kinda cool. here in mn we use a custom built plenum rather than the 1st large duct. then we will tap the different ducts into it

just as i see in almost every furnace set on here... using 4 inch pipe instead of b vent.. no good. potentially very hazardous. that pipe will flake apart ina few years ive seen it take as long as...

only 1 return up that sux

hes a cheapo who gets away with putting central returns in houses . ball park you should have 1/2 as many returns as supplies.say you have 20 heat runs , you should have 9-11 returns. think of how...

leaky ductwork load not great enough at 80 when its 100 shes at full load thats why its cooler

your a/c coil inside the duct is packed with dirt. airflow terribly restricted. not only will the unit have trouble absorbing the heat out of your house, but in heating mode it will make the furnace...