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ive got it,customer calls there brand new digital programmable thermostat honeywell4000 stat is changing program settings on its own in early morning.ok i replace stat.calls back again says he...

how do u stock limits each unit has a different one rollouts r different too furnaces are too brand specific now

where can i get the blue book?

inducer relay is stuck replace board

replace the bad blower motor. amp it out probably very high

i come from a residential background and am now being asked to work on rooftop units, new company. any info as to how they work and troubleshooting would b great:putergreet::putergreet:

im talking more controls i know there mostly the same but sequences and somne controls r different. al,so anything on economizers setuo and troubleshooting would b great

jump the 5 amp fuse? wont that short something out

hi guys worked in mainly residential for the good part of 15yrs, started with a new company and they do quite a bit of commercial.r there any good books or guides on commercial equipment ,i can more...

no heat pump split system. gauges on service valves. runs maybe a minute. was worse till i cleaned coil. do u think coil may still be plugged. low side staying around 65 - 70 psi only high side...

r 22 piston metering device. could not get sh sc because compressor goes off on overload, and relieves pressure quickly.dont think its overcharged since its been workin fine for yrs will check...

6-7 yr old rheem condensor high side pressure going way high opening internal overload and overheating compressor, suction side staying normal cleaned plugged coil lowered high side to about 400....

does anyone have any info on the weathermaker two zone comfort zoning system. came upon one today need wiring info. trying to figure out the 2 stage sequencing and wiring

2yr old 90% furnace customer complains of smoke outside of building she never seen before turns out it was her original chimmney with water heater still connected argued that she never saw this...

caching looks like money

a man and his wife are driving down the road on a frezing winter night they see a baby skunk freezing in the road they stop the wife wants to hel[p it they bring it in the car she says what do i do...

8 tons of cooling for 2000 square feet what is he smoking the 3 ton will do the whole house

ductwork not big enough. 5 tons is way too much should have stayed with 4 not enough airflow. it wont take out humidity. get the subcooling numbers from contractor also the airflow numbers ...

mvb dosent need intake air pipe can draw from bsmnt

do they make a noise when they pop in a unit its got to be some pressure

buisnesses should always have stats hidden. a friend of mine used to find the stats in bars and crank them up all the way on heat when he left.no one would know untill you sweating. always hide them,...

so what some times cabinets have to be modified

thats how steam boilers work save your money nothing is wrong. steam boilers lose water when they vent steam. i have seen some res boilers take on water several times a day when its cold. make sure...

wheres the dripleg for the gasline only see elbow.

i thought this was a technical forum not for homo opinions
tech to tech interaction is what we were promised a little disapointed in new forum