Blog

changing and ac filter

Why Your AC Is Making Noise Even After It’s Off

AC systems make a lot of noise when they’re operating. These noises can give you clues about how well it’s running, if it needs repairs, and if your HVAC is in good shape for the season. Many HVACs even make noise when they’re off between cooling cycles. Sometimes, these noises are normal—other times, they might […]

Read More
why-no-hot-water

Why is My Hot Water Not Working But Cold Is?

Updated: Sept 07, 2025 When you turn your faucet handle to find the shower has only cold water, you are likely both frustrated and confused. You rely on your water to heat for bathing, washing dishes, and more. A water heater that stops producing hot water may have a tripped limit switch, a faulty power […]

Read More
reset-circuit-breaker

How to Reset a Tripped Circuit Breaker in 4 Steps

A circuit breaker is one of the single best safety features in the modern home. But when a breaker blows, not everyone knows how to turn this hassle into a quick fix. A blown breaker is something that’s happened to everyone, usually more than a few times. Something causes a power surge, and you hear […]

Read More
fixing the hvac

No Heat in the House? Here’s What to Do Before a Repair Call

HVAC professionals are ready to help when you need us, but you may be able to avoid or delay a repair call through basic troubleshooting. Herrmann Services is happy to support you in keeping your family safe and warm. Try these tips to help you safely identify a simple furnace malfunction and resolve the problem. […]

Read More
ac unit in the cold

Should I Cover My Air Conditioner in the Winter?

As winter approaches, many homeowners wonder whether they should cover their air conditioning units. For those looking to protect their home’s systems during the colder months, covering your AC can offer protection from snow, ice, and debris, potentially helping to extend its lifespan. But it’s not always the right choice for every home. Take a […]

Read More

Categories

Featured Offer

$50 OFF

Any Repair!