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Avatar for Harker Heating & Cooling
Harker Heating & Cooling
4.6(
213
)
Appliance (Major Electric Appliance) - Install or Replace

Serving Highland, WI and surrounding areas

In business since 1949

Free estimates

Emergency services offered

"The ac coil ( defective part) was still under warranty, but the labor to replace it was not. The service man was here for 4 l/2 hours (he could have used another technician to help him). The first problem was that he was giving the wrong part for my ac unit, so he had to take the part back to Harker and retrieve the correct part (took about 40 minutes). It was a cool day, so it was difficult to properly test the unit after the installation. The technician said it would be necessary to return on a warm day to properly test it. To date, that has not happened, and we have had temperatures in the 90's for a week now. When finally finished, the bill was $657. And this is after an initial "spring tune up" (two weeks prior) that cost $262. Outrageous! I didn't get a paper copy as the technician figured the bill on his computer. I wrote the company and asked for a paper copy, and got one, but again, nothing was detailed, and it just said the bill was $657."
87 W. Beltline Hwy
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Star of Madison Award
Recommended by89%of homeowners
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Electrical questions, answered by experts

It might seem tempting to use 14-gauge wires for your outlets, as they can run a little cheaper. But, when it comes to electrical work, it’s best not to cut costs less you overload your circuit. A 12-gauge wire will ensure that you’re protecting the outlet (and your circuit breaker) from any potential overloads that might incur, as it can handle a little more amplitude than a 14-gauge wire.

A voltmeter measures the voltage of AC or DC electrical current. Unlike a multimeter, measuring voltage is a voltmeter’s only function. Voltage is the potential difference between two points within a circuit. Measuring voltage with a voltmeter can help identify wiring issues or determine whether a battery is dead.

Smart light switches are designed to be compatible with most lights and traditional home wiring, but there are several key factors to check. First, verify your home's wiring, as some smart switches require a neutral wire to operate, which may not be present in older houses (often built before 1985). Always check the wiring requirements for the specific model you choose. Second, consider your light bulbs; while smart switches work with almost any light, using a dimming feature requires dimmable bulbs, such as dimmable LEDs. Finally, ensure you have the necessary network connection. Most smart switches need a Wi-Fi connection for remote control, but some older models might use other standards like ZigBee, which would require a compatible hub.

A multimeter does not measure frequency, charge, inductance, and other electrical quantities. Instead, it measures voltage (AC and DC), current, and resistance.

There is no blanket figure for a residential home’s electrical load, since load varies by the size of the home, how many appliances are used, and the efficiency of their electrical systems. Typically, however, it’s safe to assume 40 to 60 amps is the average electrical load of a residential home. 

The Highland, WI homeowners’ guide to electrical services

From average costs to expert advice, get all the answers you need to get your job done.