If your toilet becomes clogged, use a plunger to pump the blockage through the pipe. Only flush one time, to avoid flooding your bathroom.
If your sink or bathtub drain isn't working properly, you can purchase a drain cleaning tool at a hardware store. You can also use a plunger to work things through the pipe. Be careful not to overuse commercial drain cleaning chemicals that can cause corrosion.
If your home loses power, determine whether you're the only property impacted in the neighborhood. Temporary outages occur occasionally during bad weather or construction. If your neighbors still have power, locate your circuit breaker and reset it.
If you're still having issues, call the utility company for help.
If your HVAC system isn't working, check your thermostat settings first. Some systems have a reset function to restart. You might also want to contact your utility company to ensure your account is in good standing.