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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon118
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Keystone

Avatar for Climate Control Systems and Service, LLC

Climate Control Systems and Service, LLC

801 Deadwood Avenue
4.80(
5
)
Approved Pro

Climate Control Systems and Service, LLC

801 Deadwood Avenue
4.80(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
14 years of experience

With over 10 years of experience in the HVAC industry, we are the experts you need to take care of your business. We handle everything from service work to installations. We will treat your business the way we would treat our own. Give Climate Control Systems and Service a call today, we look forward to working with you!

"They were able to use the A/C unit that was bought elsewhere. No warranty coverage for that reason."

Anita V on June 2019

With over 10 years of experience in the HVAC industry, we are the experts you need to take care of your business. We handle everything from service work to installations. We will treat your business the way we would treat our own. Give Climate Control Systems and Service a call today, we look forward to working with you!

"They were able to use the A/C unit that was bought elsewhere. No warranty coverage for that reason."

Anita V on June 2019


Avatar for Mr. Electric of the Black Hills

Mr. Electric of the Black Hills

PO Box 1312
4.89(
42
)
Approved Pro

Mr. Electric of the Black Hills

PO Box 1312
4.89(
42
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
26 local quotes requested

Need an electrician in Rapid City or Pennington County to help you cut down costs on your next electricity bill? Let Mr. Electric of The Black Hills, help you reach your goals. With around the clock availability, our team offers several services that could benefit not only your home or business, but also the environment. Whether it's for safety and security or specialty lighting for the holiday season, Mr. Electric of the Black Hills, can assist you with your every need.

"I was pleased with the quality of Cody’s work installing an EV charger. He was very honest. I thought I needed to upgrade my 150 amp service panel to a 200 amp panel to handle the EV charger, but when he evaluated the extra load and the panel’s current load, he told me the upgrade was not needed for the EV charger. That made the job very inexpensive."

Robert G on January 2025

Need an electrician in Rapid City or Pennington County to help you cut down costs on your next electricity bill? Let Mr. Electric of The Black Hills, help you reach your goals. With around the clock availability, our team offers several services that could benefit not only your home or business, but also the environment. Whether it's for safety and security or specialty lighting for the holiday season, Mr. Electric of the Black Hills, can assist you with your every need.

"I was pleased with the quality of Cody’s work installing an EV charger. He was very honest. I thought I needed to upgrade my 150 amp service panel to a 200 amp panel to handle the EV charger, but when he evaluated the extra load and the panel’s current load, he told me the upgrade was not needed for the EV charger. That made the job very inexpensive."

Robert G on January 2025


Avatar for JWM Construction

JWM Construction

1606 Elm St
5.00(
2
)

JWM Construction

1606 Elm St
5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Over 10 years in both commercial and residential construction, we can handle any job, big or small. From new construction to remodeling, we can help. Quality, customer satisfaction, and safety are our top priorities.

"The work was excellent. Jessie and his crew were very friendly and professional. They kept us informed of the work progress and asked Roger his opinion on the work being done.  "

Roger O on April 2025

Over 10 years in both commercial and residential construction, we can handle any job, big or small. From new construction to remodeling, we can help. Quality, customer satisfaction, and safety are our top priorities.

"The work was excellent. Jessie and his crew were very friendly and professional. They kept us informed of the work progress and asked Roger his opinion on the work being done.  "

Roger O on April 2025


Avatar for Hoskinson Contracting

Hoskinson Contracting

1012 State Hwy 50
3.00(
2
)

Hoskinson Contracting

1012 State Hwy 50
3.00(
2
)
2 years of experience

Whether you're in need of general contracting, design & architectural services, plumbing, electrical, HVAC, flooring, earth moving & excavation, concrete, craning &rigging, landscaping, spray foam insulation or carpentry for your home or business, our team has the expertise and innovation to deliver quality results - from start to finish. We pride ourselves on our comprehensive approach, ensuring that every project is completed with precision and dedication.

"Totally incompetent. They have no idea what they are doing and it is dangerous."

Francis R on September 2025

Whether you're in need of general contracting, design & architectural services, plumbing, electrical, HVAC, flooring, earth moving & excavation, concrete, craning &rigging, landscaping, spray foam insulation or carpentry for your home or business, our team has the expertise and innovation to deliver quality results - from start to finish. We pride ourselves on our comprehensive approach, ensuring that every project is completed with precision and dedication.

"Totally incompetent. They have no idea what they are doing and it is dangerous."

Francis R on September 2025



Avatar for Skyline Engineering

Skyline Engineering

615 12th St
No reviews yet

Skyline Engineering

615 12th St
No reviews yet

We believe a successful project begins with our people. Direct principal involvement with every project allows us to merge your vision with our practical experience to achieve your goals. Our work is responsive, innovative, and dedicated to project delivery. We strive to provide our clients with substantial return on investment regardless of whether the performance metric is financially or philosophically motivated. Sustainable design should be responsible to the pocketbook as well as the environment. Founded in 2002, Skyline Engineering is a full service mechanical and electrical consulting firm holding professional registrations in South Dakota and the upper Midwest. We are also registered with the National Council of Examiners for Engineering and Surveying (NCEES) allowing us to quickly become registered in any state should the need arise. Beyond our core services of mechanical and electrical engineering, we are known regionally for our specialized skills related to geothermal systems, indoor air quality, and lighting design. The proactive approach we take during the design allows us to enjoy open working relationships with the architect, owner, facility user groups, authorities having jurisdiction, and utility providers – everyone who could, and should, impact the facility design. Our experience spans the breadth of project delivery methods including traditional design-bid-build, design-build, construction manager at risk, and integrated project delivery. Irrespective of whether we are engaged by an owner, architect, or contractor, we understand the nuances of each delivery method as well as the requirements and duties of each party during every stage of the delivery process. Listen, understand, and then deliver – we focus to solve your needs by delivering a quality project on time and within budget.

We believe a successful project begins with our people. Direct principal involvement with every project allows us to merge your vision with our practical experience to achieve your goals. Our work is responsive, innovative, and dedicated to project delivery. We strive to provide our clients with substantial return on investment regardless of whether the performance metric is financially or philosophically motivated. Sustainable design should be responsible to the pocketbook as well as the environment. Founded in 2002, Skyline Engineering is a full service mechanical and electrical consulting firm holding professional registrations in South Dakota and the upper Midwest. We are also registered with the National Council of Examiners for Engineering and Surveying (NCEES) allowing us to quickly become registered in any state should the need arise. Beyond our core services of mechanical and electrical engineering, we are known regionally for our specialized skills related to geothermal systems, indoor air quality, and lighting design. The proactive approach we take during the design allows us to enjoy open working relationships with the architect, owner, facility user groups, authorities having jurisdiction, and utility providers – everyone who could, and should, impact the facility design. Our experience spans the breadth of project delivery methods including traditional design-bid-build, design-build, construction manager at risk, and integrated project delivery. Irrespective of whether we are engaged by an owner, architect, or contractor, we understand the nuances of each delivery method as well as the requirements and duties of each party during every stage of the delivery process. Listen, understand, and then deliver – we focus to solve your needs by delivering a quality project on time and within budget.


Avatar for Neli Virtual Appliance Repair

Neli Virtual Appliance Repair

143 Charlotte Ave
4.30(
576
)

Neli Virtual Appliance Repair

143 Charlotte Ave
4.30(
576
)
Customers say: Super punctual
31667 local quotes requested

NEW! Appliance Consultation – Just $35 Get expert advice before you spend on repairs or replacements. A Neli technician will evaluate your issue and help you decide if your appliance can be fixed—or if it’s time for a new one. Virtual Appliance Diagnosis and Repair - Just $45 Service Description: Diagnose or repair your appliance virtually—no need for anyone to enter your home. Neli’s certified technicians guide you step-by-step via secure video chat. How It Works: Book online at nelihome.com or call 833-876-0900 Connect with a tech through our video platform Diagnose or fix the issue in real time Get expert advice and confidence in your next steps What’s Included: Real-time video guidance from a certified technician Diagnosis of the issue OR full repair (when possible) Step-by-step guidance using your smartphone or tablet Safe, contact-free service - no one in your home Flexible scheduling—appointments available daily Perfect For: Appliance fixes HVAC troubleshooting DIY-savvy homeowners Saving time and money on service calls

"Great! The technician helped us to locate the issue and explained how to fix it ourselves. This was my 3rd time using NeliHome. They are my first go to for diagnosing an appliance issue."

Jennifer Y on October 2025

NEW! Appliance Consultation – Just $35 Get expert advice before you spend on repairs or replacements. A Neli technician will evaluate your issue and help you decide if your appliance can be fixed—or if it’s time for a new one. Virtual Appliance Diagnosis and Repair - Just $45 Service Description: Diagnose or repair your appliance virtually—no need for anyone to enter your home. Neli’s certified technicians guide you step-by-step via secure video chat. How It Works: Book online at nelihome.com or call 833-876-0900 Connect with a tech through our video platform Diagnose or fix the issue in real time Get expert advice and confidence in your next steps What’s Included: Real-time video guidance from a certified technician Diagnosis of the issue OR full repair (when possible) Step-by-step guidance using your smartphone or tablet Safe, contact-free service - no one in your home Flexible scheduling—appointments available daily Perfect For: Appliance fixes HVAC troubleshooting DIY-savvy homeowners Saving time and money on service calls

"Great! The technician helped us to locate the issue and explained how to fix it ourselves. This was my 3rd time using NeliHome. They are my first go to for diagnosing an appliance issue."

Jennifer Y on October 2025



Avatar for Second Nature (Formerly FilterEasy)

Second Nature (Formerly FilterEasy)

333 Fayetteville St
5.00(
1
)

Second Nature (Formerly FilterEasy)

333 Fayetteville St
5.00(
1
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Second Nature, formerly FilterEasy, empowers its members to achieve long-lasting, sustainable home wellness with convenient subscription plans, including high-quality home air filters and refrigerator water filters. We exist to simplify home wellness, to make it so easy and convenient that it becomes second nature. Learn about our products and subscribe at www.SecondNature.com/home.

Second Nature, formerly FilterEasy, empowers its members to achieve long-lasting, sustainable home wellness with convenient subscription plans, including high-quality home air filters and refrigerator water filters. We exist to simplify home wellness, to make it so easy and convenient that it becomes second nature. Learn about our products and subscribe at www.SecondNature.com/home.


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Heating and Air Conditioning questions, answered by experts

A dual evaporator coil is a specific design that allows the AC system to cool different compartments at different levels. It’s usually seen in refrigerators and similar appliances, but not in whole-house air conditioning systems. Talk with your AC technician about the best uses for a dual evaporator coil.

If you know how to identify supply and return ducts, you’ll find that only the supply ducts will have dampers. Although your return ducts can have dampers, it’s not common. If you have one return duct that is pulling in too much air, adding a damper to it can help with overall system performance. However, dampers on return ducts are not a necessary addition for most homes.

You should use a breathable, weather-resistant cover with ventilation. It can be a top cover or a full cover that has mesh to allow airflow. A full, non-breathable cover can cause moisture to build up, leading to rust, frozen parts, and corrosion. A full cover also attracts unwanted critters, such as mice, that can damage the wiring and your unit. If you need to protect your AC unit from falling icicles, choose a sturdy top cover or piece of wood that prevents icicles from damaging your unit.

Dry mode positively impacts indoor air quality by reducing excess moisture, which stops the growth of mold and mildew. By maintaining optimal humidity levels, dry mode creates a less hospitable environment for allergens and airborne pathogens, improving overall air quality. However, it's essential to ensure proper ventilation to prevent stale air accumulation.

The $5,000 rule for HVAC systems helps homeowners decide whether to repair or replace an AC or furnace. Take the quote for the HVAC repair cost and multiply that by the age of the HVAC system. If the total is higher than $5,000, it’s more cost-effective to replace the system. If the total is lower than $5,000, consider repairing the system.

The Keystone, SD 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.

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