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Q: Do window AC units use a lot of electricity?

• <div><p>Window AC units use a fair amount of electricity, but significantly less than central AC systems. Because they are more energy-efficient for cooling individual rooms or small spaces, their usage is comparatively low. On average, a window AC unit consumes between 500 and 1,400 watts, while a central AC system uses over 3,500 watts&mdash;meaning a window unit uses about one-third of the energy. This typically translates to a monthly running cost of $15 to $40, although this can vary depending on external factors.</p></div>

Q: Why does my air conditioner turn off by itself at night?

• <div><p>Air conditioners can stop working in the middle of the night for many reasons. Your local power grid might shut down late at night. Power surges can also trip your breakers if too much power is being used in the area at the time. If your AC is connected to a digital thermostat, it gets naturally cooler at night, so the outdoor temperature might dip below the automated setting to turn the cooling system off.</p></div>

Q: Should you hear air coming out of vents?

• <div><p>It&rsquo;s normal to hear a low humming sound as air moves through your vents. Most of the time, you probably won&rsquo;t even notice it. However, if that sound becomes disruptive or if you hear more concerning noises (such as rattling, clicking, banging, hissing, or grinding), there might be a problem with your HVAC system.</p></div>

Q: Can a power outage damage your air conditioner?

• <div><p>A power outage can damage your air conditioner, just like a power surge can damage any electrical device or appliance. In most cases, your circuit breaker or built-in surge protection on your AC unit protects your AC and just needs a reset. But in other cases, it might be that your AC compressor or capacitor was blown during the power surge. You&rsquo;ll need to have an HVAC professional repair or replace any AC parts. </p></div>

Q: Will low refrigerant cause a coil to freeze?

• <div><p>If refrigerant levels are low, it can cause the evaporator coil to freeze up. Low freon causes a drop in pressure, which will make the coil too cold and cause moisture to freeze on the coil. Your system may be <a href="https://www.angi.com/articles/does-freon-leak-mean-i-must-get-new-home-ac-unit-cant-i-just-get-leak-fixed.htm">low on refrigerant because of a leak</a>. </p><p>Make sure to have maintenance performed twice a year, and contact your local HVAC technician if you suspect your system has low freon levels. </p></div>

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Verified Reviews for Heating And Air Conditioning Service pros in Enterprise, UT

*The Angi rating for Heating And Air Conditioning Service companies in Enterprise, UT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Enterprise, UT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.

Last update on May 12, 2026

Reviewed in May 2026
Jaden did a call back and was very thorough. He's friendly and willing to listen to any concerns. He remedied the situation well. Thank you Jaden.
Bulwark Exterminating, LLC
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Reviewed in March 2025
Cipres Tree Service was a great company to work with. First of all the quote was very affordable for the work that was required. I needed the two largest Aleppo pines in Las Vegas valley, in my opinion, to be removed with one being about 7 ft. from my home. The diameter of them was in the 40...
Cipres Tree Service
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Reviewed in July 2024
They were very prompt and professional. They kept everything clean and tidy. Very happy with our countertops!
Canyon Kitchen & Bath, Inc.
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Reviewed in December 2023
These guys did a great job! They were quick and efficient. We would most definitely recommend them to anyone that needs new gutters in their home.
Gutter Mouth LLC
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Reviewed in June 2023
RCC installed epoxy floor coating with a full black and white chip accent on our garage floor, stem wall and steps. The garage looks amazing. The quality is superb. The work was done quickly, fairly priced and on budget. We highly recommend Rhino Concrete Coatings.
Rhino Concrete Coatings
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Reviewed in May 2023
Iâ m always impressed with Taylerâ s hard work and attention to detail in everything he does! Would definitely recommend trusting him to get the job done and to get it done right!
Broken horse construction
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Reviewed in April 2022
The service was excellent. She's amazing. I am a manager in an oyster restaurant and I know her very well. She was my employee. She was very particular to details. She was a very strong leader. She was really really personable and accommodating. I hire her regularly. She's very very clean as...
Deep Clean
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Reviewed in March 2022
Jonathan and his crews were amazing! He was so kind and willing to work with my schedule and budget. My stone looks beautiful and is my favorite part of our house!!
J&E Exteriors Construction, LLC
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Reviewed in February 2022
B-town got us scheduled in quickly and worked very efficiently. We had old cracked, uneven plaster walls that they transformed into even and clean sheetrock and drywall. Very happy
B-Town Construction Corp.
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Reviewed in December 2021
Leo and Leo were amazing. They were courteous and considerate and kept me informed the whole time. They worked with our schedule and did an awesome job working around the holidays. The craftsmanship is great, they took the time they need to get the job done right. They identified areas of...
Leo & Leo's Drywall, LLC
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Find Heating and air conditioning pros in Enterprise

Five Star Air Conditioning, Heating & Plumbing

4.8(

)

Central A/C - Service or RepairElectric Furnace / Forced Air Heating System - RepairElectric Furnace / Forced Air Heating System - Repair - For Business+4 more

Serving Enterprise, UT and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"The workers were efficient and helped remove my old water heater. They also asked for preferences on where to install the tankless water heater."

Response time4 hrs

Recommended by85%of homeowners

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Marlin Plumbing Services

5.0(

)

Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install+47 more

Serving Enterprise, UT and surrounding areas

Approved

Super Service Award Winner

In business since 1978

Free estimates

Emergency services offered

"Came fast, Nice and honest, he didn't sell me anything I did not need. I will hire again!!!!!!"

Here is a new high efficiency LENNOX unit that we installed in Washington Utah.

This is an install we did for one of our customers here in Washington Utah. We used one of the newly redesigned units from LENNOX with the new refrigerant in it.

Custom home we did in Ivins Utah. This house has two systems and both were installed in the garage.

We offer smart thermostats like this Ecobee that we installed here in St. George Utah.

25 neighbors recently requested a quote

Recommended by62%of homeowners

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Element Plumbing, Heating and Air

4.6(

)

Central A/C - InstallBoiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For Business+47 more

Serving Enterprise, UT and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Element Plumbing, Heating and Air were Complete Pros very reasonable And Complete Professionals Highly Recommend... Thanks Chris"

Response time2 days

16 neighbors recently requested a quote

Recommended by25%of homeowners

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Central Valley Mechanical, LLC

4.0(

)

Geothermal Heating or Cooling System - InstallGeothermal Heating or Cooling System - Service

Serving Enterprise, UT and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"Very impressed with CVM. The project (furnace changeout and AC install) was carried out in a timely professional manner. Installing technicians were personable and efficient, and went the extra mile in their efforts. Highly recommended."

+28

Response time2 days

Recommended by66%of homeowners

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S&S Mechanical - Plumbing Heating Cooling

4.0(

)

Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+9 more

Serving Enterprise, UT and surrounding areas

Approved (Corporate)

In business since 1983

Free estimates

Credit card accepted

S&S Mechanical is a trusted plumbing, heating, and cooling contractor serving St. George and the greater Southern Utah region since 1983. With over 40 years of experience, the company provides full-service residential and commercial HVAC and plumbing solutions, including repair, installation, maintenance, and system replacements. Known for fast response times and dependable service, S&S Mechanical employs Trust Certified technicians trained to work on all major brands and systems. Their team focuses on delivering reliable comfort solutions year-round, from emergency heating and cooling repairs to complete plumbing services. Backed by decades of local experience and a strong reputation for customer satisfaction, S&S Mechanical continues to be a go-to provider for homeowners and businesses seeking professional, efficient, and long-lasting home service solutions in Southern Utah.

15 neighbors recently requested a quote

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Walker Plumbing, Heating Air

New to Angi

Central A/C - InstallGas Furnace / Forced Air Heating System - InstallCentral A/C - Service or Repair+1 more

Serving Enterprise, UT and surrounding areas

Approved (Corporate)

In business since 2002

Credit card accepted

Founded in 2002 by Master Plumber Brett Walker, Walker Plumbing, Heating & Air is a family-owned and operated company that has been proudly serving St. George and Southern Utah for over 20 years. Brett and his fully licensed team of master plumbers and HVAC technicians are dedicated to delivering top quality workmanship and a great customer experience, with a full fleet of trucks and technicians available 24/7 for any plumbing or indoor comfort issue. From the moment you call, you can expect clear communication, prompt arrival, fast turnarounds, and personalized solutions tailored to your needs and budget. Every technician is licensed, insured, and background checked, and our no-upselling policy means you'll always receive honest, transparent service without pressure. Walker Plumbing, Heating & Air is the go-to home services company for your friends and neighbors in Southern Utah, and we'd love to show you why.\n

26 neighbors recently requested a quote

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Bret Eric Bergstrom

New to Angi

Central A/C - InstallGas Furnace / Forced Air Heating System - InstallHeat Pump - Install or Replace+2 more

Serving Enterprise, UT and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

Were dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company is built on honesty and integrity. We specialize in central A/C and cooling systems as well as heating and furnace systems. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

8 neighbors recently requested a quote

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Vet Home Restoration LLC

New to Angi

Central A/C - InstallGas Furnace / Forced Air Heating System - InstallCentral A/C - Service or Repair+3 more

Serving Enterprise, UT and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

Vet Home Restoration LLC proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!\n

Response time9 hrs

21 neighbors recently requested a quote

Air Ducts & Vents - CleanCentral A/C - InstallCentral A/C - Service or Repair+12 more

Serving Enterprise, UT and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"Nate is a very hands on owner. Technical crew and installers very professional and thorough. They went above and beyond to insure that this replacement system was installed properly and existing problems were corrected. The Trane HVAC system is very quiet and efficient. Pricing was competitive. Installation exceptional."

+34

Response time1 day

Response rate92%

Recommended by95%of homeowners

Air Ducts & Vents - Clean

Serving Enterprise, UT and surrounding areas

In business since 1997

Free estimates

"Great communication, punctual, friendly, professional and great work ethic!! Cleaned ducts and dryer vent add on, reasonable for the time he spent to do a great job!"

Response time5 hrs

Recommended by98%of homeowners

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Showing 1-10 of 44

Heating and Air Conditioning questions, answered by experts

Window AC units use a fair amount of electricity, but significantly less than central AC systems. Because they are more energy-efficient for cooling individual rooms or small spaces, their usage is comparatively low. On average, a window AC unit consumes between 500 and 1,400 watts, while a central AC system uses over 3,500 watts—meaning a window unit uses about one-third of the energy. This typically translates to a monthly running cost of $15 to $40, although this can vary depending on external factors.

Air conditioners can stop working in the middle of the night for many reasons. Your local power grid might shut down late at night. Power surges can also trip your breakers if too much power is being used in the area at the time. If your AC is connected to a digital thermostat, it gets naturally cooler at night, so the outdoor temperature might dip below the automated setting to turn the cooling system off.

It’s normal to hear a low humming sound as air moves through your vents. Most of the time, you probably won’t even notice it. However, if that sound becomes disruptive or if you hear more concerning noises (such as rattling, clicking, banging, hissing, or grinding), there might be a problem with your HVAC system.

A power outage can damage your air conditioner, just like a power surge can damage any electrical device or appliance. In most cases, your circuit breaker or built-in surge protection on your AC unit protects your AC and just needs a reset. But in other cases, it might be that your AC compressor or capacitor was blown during the power surge. You’ll need to have an HVAC professional repair or replace any AC parts.

If refrigerant levels are low, it can cause the evaporator coil to freeze up. Low freon causes a drop in pressure, which will make the coil too cold and cause moisture to freeze on the coil. Your system may be low on refrigerant because of a leak.

Make sure to have maintenance performed twice a year, and contact your local HVAC technician if you suspect your system has low freon levels.

The Enterprise, UT homeowners’ guide to heating and air conditioning services

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

See all articles

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•
May 21, 2026May 21, 2026
Can You Add Central Air to a Baseboard-Heated House?
A central air system is great for someone looking to cool and heat their home all year round. Even if your home uses baseboard heating, you can still make the switch. Read on to learn more about adding central air to a baseboard-heated house.
Katy Willis
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May 21, 2026May 21, 2026
12 Air Conditioning Tips for the Summer
Try these 12 top tips to keep your air conditioner working at maximum efficiency. Stay cool, and minimize energy costs with this expert air conditioning advice.
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May 5, 2026May 5, 2026
13 Cool Tips to Reduce Air Conditioning Costs This Summer
Learn how to save money on air conditioning costs this summer by following this handy guide all about your favorite cooling system.
Breyden Kellam
•
Apr 5, 2026Apr 5, 2026
Heat Pump vs. Air Conditioner: What’s the Difference?
Is it time for a new cooling system for your home? Check out this guide to get a head-to-head comparison of heat pump vs. air conditioner systems.
Mary Beth Eastman
•
Apr 8, 2026Apr 8, 2026
Pros and Cons of Air-Source Heat Pumps
Air-source heat pumps are an energy-efficient way to heat and cool your home. Learn the pros and cons of this heating method.
Sophie Yalkezian
•
May 22, 2026May 22, 2026
How to Retrofit Air Conditioning in Your Home (Even When You Think It’s Not Possible)
Retrofitting your house for AC is, surprisingly, not too hard. Here’s what you’ll need to consider to make it happen.

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Need a pro for your heating and air conditioning service project in Enterprise, UT?

Gas Furnace / Forced Air Heating System Repair Service

Central A/C Installation

Central A/C Service or Repair

Verified Reviews for Heating And Air Conditioning Service pros in Enterprise, UT

Find Heating and air conditioning pros in Enterprise

The Enterprise, UT homeowners’ guide to heating and air conditioning services

Can You Add Central Air to a Baseboard-Heated House?

12 Air Conditioning Tips for the Summer

13 Cool Tips to Reduce Air Conditioning Costs This Summer

Heat Pump vs. Air Conditioner: What’s the Difference?

Pros and Cons of Air-Source Heat Pumps

How to Retrofit Air Conditioning in Your Home (Even When You Think It’s Not Possible)

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Enter your zip and get matched with up to 5 pros

Need a pro for your heating and air conditioning service project in Enterprise, UT?

Gas Furnace / Forced Air Heating System Repair Service

Central A/C Installation

Central A/C Service or Repair

Verified Reviews for Heating And Air Conditioning Service pros in Enterprise, UT

Find Heating and air conditioning pros in Enterprise

The Enterprise, UT homeowners’ guide to heating and air conditioning services

Can You Add Central Air to a Baseboard-Heated House?

12 Air Conditioning Tips for the Summer

13 Cool Tips to Reduce Air Conditioning Costs This Summer

Heat Pump vs. Air Conditioner: What’s the Difference?

Pros and Cons of Air-Source Heat Pumps

How to Retrofit Air Conditioning in Your Home (Even When You Think It’s Not Possible)

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