STOP USING WATER OUTSIDE. A WATERING BAN STARTS AT MIDNIGHT IN SOCK RAPIDS, AS WELL, BUT IT ISN'T JUST CAUSING ISSUES OUTSIDE. A SURGE IN DEMAND FOR A.C. FIXES, JUST AS COMPANIES STRUGGLE FOR SUPPLIES. >> WE BLOW AIR THROUGH HERE, THOUGH REFRIGERANT CIRCULATES THROUGH HERE. >> Reporter: THE 90-YEAR-OLD FAMILY COOLING AND HEATING BUSINESS IS SEEING AN INFLUX IN CALLS FOR COOL AIR HELP, AND FAST. >> WE'VE RECEIVE BE PROBABLY TWO TO THREE TIMES WHAT WE WOULD NORMALLY RECEIVE IN TERMS OF CALLS. >> Reporter: BUT THAT SURGE IN DEMAND IS MET WITH SUPPLY CHAIN SHORTAGES FOR THE MATERIALS. >> WE'RE STARTING TO SEE SPORADIC CHANGES OR DELAYS IN RECEIVING JUST VERY COMMON EVERY DAY MATERIAL. >> Reporter: SOME OF THE SCARCITY, TYPICAL SIZED AIR CONDITIONERS PEOPLE USE TO COOL THEIR HOMES AND THE REFRIDGE RANT THAT MAKES THEM COOL. >> NORMALLY WE WOULD ORDER 20 OF THESE RECENT SUPPLIER TODAY SAID, OR ONE OF OUR LARGER SUPPLIERS SAID TODAY, WE'LL SELL YOU ONE AT A TIME.
. >> Reporter: BEFORE CALLING AN HVAC COMPANY LIKE SCHNELLING FOR HELP, HE SAID CHECK FOR THESE EASY FIXES THAT MAY SAVE YOU THE HASSLE. >> MAKE SURE YOU HAVE A CLEAN FURNACE FILTER. THE SECOND THING IS TO ALWAYS ENSURE THAT THE COTTONWOOD HASN'T PLUGGED THE CONDENSING UNIT OUTSIDE. DON'T SPRAY IT, JUST WASH IT DOWN WITH A HOSE. AND BE PATIENT. EVERYBODY IS WORKING DILIGENTLY TO TRY TO CONNECT THE DOTS. >> IF YOU ARE ORDERING A NEW .