Tom Lech Lech Air Conditioning

QUSET 506 72 ounces of R410 refrigerant to recover to replace expansion valve.  2:15
QUSET 506 72 ounces of R410 refrigerant to recover to replace expansion valve.  Tom Lech / LECH AIR CONDITIONING 11 3 часа назад
AC condenser this is the best aftermarket condenser I’ve ever seen, but I don’t have any name 3:25
AC condenser this is the best aftermarket condenser I’ve ever seen, but I don’t have any name Tom Lech / LECH AIR CONDITIONING 1,049 7 месяцев назад
MACS AC HVAC TRAINING BOOKS 1:11
MACS AC HVAC TRAINING BOOKS Tom Lech / LECH AIR CONDITIONING 193 2 года назад
AC FLUCH SOLVENT DURA FLUSH 1:48
AC FLUCH SOLVENT DURA FLUSH Tom Lech / LECH AIR CONDITIONING 540 2 года назад
AC refrigerant oil missing out of compressor. Where did it all go? There’s no oil leak.  1:50
AC refrigerant oil missing out of compressor. Where did it all go? There’s no oil leak.  Tom Lech / LECH AIR CONDITIONING 483 6 месяцев назад
AC Oring REPLACEMENT HOT CRISPY Overheated, compressor , lack of oil , refrigerant ran low  2:41
AC Oring REPLACEMENT HOT CRISPY Overheated, compressor , lack of oil , refrigerant ran low  Tom Lech / LECH AIR CONDITIONING 345 1 год назад
AC Valve Cores, ALWAYS ! change them when they are THIS OLD. Look for signs of black or gray. 3:43
AC Valve Cores, ALWAYS ! change them when they are THIS OLD. Look for signs of black or gray. Tom Lech / LECH AIR CONDITIONING 372 1 год назад
Don’t Make this mistake when trying to recharge a vehicle quickly. You WILL ! overcharge it 3:38
Don’t Make this mistake when trying to recharge a vehicle quickly. You WILL ! overcharge it Tom Lech / LECH AIR CONDITIONING 326 3 года назад
WHY IS THERE NO OIL IN THE COMPRESSOR? Where did it go ? And why ?  4:05
WHY IS THERE NO OIL IN THE COMPRESSOR? Where did it go ? And why ?  Tom Lech / LECH AIR CONDITIONING 4,776 2 года назад
GM AC high side service port leaking (replacement) Common pattern problems on these vehicles 2:47
GM AC high side service port leaking (replacement) Common pattern problems on these vehicles Tom Lech / LECH AIR CONDITIONING 9,975 3 года назад
Customer declines cabin air filter replacement two weeks ago. Guess what he needs two weeks later 3:53
Customer declines cabin air filter replacement two weeks ago. Guess what he needs two weeks later Tom Lech / LECH AIR CONDITIONING 584 6 дней назад
AC condenser cutting open to see how much oil is inside and the condition burnt looking or clean  6:27
AC condenser cutting open to see how much oil is inside and the condition burnt looking or clean  Tom Lech / LECH AIR CONDITIONING 587 5 дней назад
AC 320 psi the second fan is not coming on. Plugged filter, superheat drops.  5:44
AC 320 psi the second fan is not coming on. Plugged filter, superheat drops.  Tom Lech / LECH AIR CONDITIONING 212 7 дней назад
AC REFRIGERANT LEAK , NITROGEN FINDS LEAK FAST !. In this situation. MORE TEST NEEDED  3:24
AC REFRIGERANT LEAK , NITROGEN FINDS LEAK FAST !. In this situation. MORE TEST NEEDED  Tom Lech / LECH AIR CONDITIONING 9,338 2 года назад
A/C Single hose vacuum single hose recharge micrometer explanation 12:27
A/C Single hose vacuum single hose recharge micrometer explanation Tom Lech / LECH AIR CONDITIONING 1,196 4 года назад
Pulling out refrigerant oil during refrigerant recovery procedure. You’re not supposed to do that 5:17
Pulling out refrigerant oil during refrigerant recovery procedure. You’re not supposed to do that Tom Lech / LECH AIR CONDITIONING 20,293 2 года назад
Automotive AC tools, microns gauge, Appian valve core remover, silicone vacuum hose, 3:46
Automotive AC tools, microns gauge, Appian valve core remover, silicone vacuum hose, Tom Lech / LECH AIR CONDITIONING 1,578 4 года назад
2026 Citroën Ami Finally Unveiled - The Tiny Car That Could Change City Life Forever! 3:58
2026 Citroën Ami Finally Unveiled - The Tiny Car That Could Change City Life Forever! AutoCarVision 496 5 дней назад
AC HILL BILLY TECHNOLOGY WAY TO LEAK TEST. YouTube professors screwing over customers degenerating 1:32
AC HILL BILLY TECHNOLOGY WAY TO LEAK TEST. YouTube professors screwing over customers degenerating Tom Lech / LECH AIR CONDITIONING 299 2 года назад
HOW OLD AUTOMOTIVE TECHS GET FOOLED CHARGING AC BY COLD SUCTION LINE METHOD 4:49
HOW OLD AUTOMOTIVE TECHS GET FOOLED CHARGING AC BY COLD SUCTION LINE METHOD Tom Lech / LECH AIR CONDITIONING 1,679 1 год назад
Single vacuum hose AC recharging method. Micron meter explanation of use 14:28
Single vacuum hose AC recharging method. Micron meter explanation of use Tom Lech / LECH AIR CONDITIONING 2,461 4 года назад
REFRIGERANT AC CHEMICAL FLUSH CONTAINER 1:54
REFRIGERANT AC CHEMICAL FLUSH CONTAINER Tom Lech / LECH AIR CONDITIONING 233 2 года назад
Found The leak.But after recharging Refrigerant it doesn’t leak anymore at the time of testing.  4:12
Found The leak.But after recharging Refrigerant it doesn’t leak anymore at the time of testing.  Tom Lech / LECH AIR CONDITIONING 168 3 года назад
AC HOT HIGH PSI VAPOR COMPRESSOR DISCHARGE TO GLYCOL PLATE HEAT EXCHANGER (“NO CONDENSER !!!.. 5:34
AC HOT HIGH PSI VAPOR COMPRESSOR DISCHARGE TO GLYCOL PLATE HEAT EXCHANGER (“NO CONDENSER !!!.. Tom Lech / LECH AIR CONDITIONING 200 2 года назад
Successful flush of AC system cleaning out system works perfectly now the third compressor 6:25
Successful flush of AC system cleaning out system works perfectly now the third compressor Tom Lech / LECH AIR CONDITIONING 736 2 года назад
80 tons of heat recovery in each room 0:16
80 tons of heat recovery in each room Tom Lech / LECH AIR CONDITIONING 613 3 года назад
AUTOMOTIVE TECHNICIAN ‍ WERE SHOWN THE WRONG WAY TO TEST AC SYSTEM 6:00
AUTOMOTIVE TECHNICIAN ‍ WERE SHOWN THE WRONG WAY TO TEST AC SYSTEM Tom Lech / LECH AIR CONDITIONING 843 1 год назад
Modern HVAC controls for your completely new system or retrofit an old system  0:56
Modern HVAC controls for your completely new system or retrofit an old system  Tom Lech / LECH AIR CONDITIONING 111 2 года назад
A/C proper recovery with dry nitrogen purge and proper vacuum procedure 13:33
A/C proper recovery with dry nitrogen purge and proper vacuum procedure Tom Lech / LECH AIR CONDITIONING 1,313 5 лет назад

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