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Central a/c service or repairers in Castle Rock

Husky Mechanical
33729 Southern Cross Trail
New on HomeAdvisorNew on Angi
Approved Pro
Husky Mechanical
33729 Southern Cross Trail
New on AngiNew on HomeAdvisor
Approved Pro
7 years of experience
Free onsite estimate

Husky mechanical is a local, veteran-owned and operated business. We are experts in HVAC installation and service. We take pride in our work and we hope to create long-lasting relationships with homeowners.

Husky mechanical is a local, veteran-owned and operated business. We are experts in HVAC installation and service. We take pride in our work and we hope to create long-lasting relationships with homeowners.


Avatar for Nitro Heating & Cooling, LLC
Nitro Heating & Cooling, LLC
6000 S Frasier St 9-104
5.00(
2
)
Approved Pro
Nitro Heating & Cooling, LLC
6000 S Frasier St 9-104
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
4 years of experience

We are an owner-operated company and specialize in full service HVAC installation and repair. Furnace, central air conditioning, and indoor air quality such as whole house humidifiers to name a few. We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Very professional and thorough. Cleaned the work area afterwards. Got my furnace up and running and even cleaned it for no extra charge. Couldnt be more pleased with my experience!"

Keri K on February 2022

We are an owner-operated company and specialize in full service HVAC installation and repair. Furnace, central air conditioning, and indoor air quality such as whole house humidifiers to name a few. We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Very professional and thorough. Cleaned the work area afterwards. Got my furnace up and running and even cleaned it for no extra charge. Couldnt be more pleased with my experience!"

Keri K on February 2022


Avatar for Comfair Heating and Cooling LLC
Comfair Heating and Cooling LLC
8642 Canongate Lane
5.00(
6
)
Approved Pro
Comfair Heating and Cooling LLC
8642 Canongate Lane
5.00(
6
)
Approved Pro
12 local quotes requested
2 years of experience

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"We hired Comfair heating and cooling to install our new system AC and Furnace, from the beginning they measured and explained everything in detail and made sure we understand the whole process. We are super happy with the results, just to mention they gave us lifetime unit replacement warranty. We highly recommend this company to friends and neighbours who need their service. "

David A on March 2025

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"We hired Comfair heating and cooling to install our new system AC and Furnace, from the beginning they measured and explained everything in detail and made sure we understand the whole process. We are super happy with the results, just to mention they gave us lifetime unit replacement warranty. We highly recommend this company to friends and neighbours who need their service. "

David A on March 2025


Avatar for Mike's Mechanical Services, LLC
Mike's Mechanical Services, LLC
1835 W Union Ave Unit 14.5
4.58(
6
)
Approved Pro
Mike's Mechanical Services, LLC
1835 W Union Ave Unit 14.5
4.58(
6
)
Approved Pro
Customers say: Quick response
11 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"The tech this company sent to my home was respectful. Above all else very knowledgeable. Would recommend again and again. Thank you for the great service."

Mark L on October 2023

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"The tech this company sent to my home was respectful. Above all else very knowledgeable. Would recommend again and again. Thank you for the great service."

Mark L on October 2023


A-Z Construction
955 S. Marshall St.
New on HomeAdvisorNew on Angi
Approved Pro
A-Z Construction
955 S. Marshall St.
New on AngiNew on HomeAdvisor
Approved Pro
20 years of experience
Free onsite estimate

A-Z Construction is a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. You will find us to be competitively priced while still paying close attention to the details of each and every project we are involved with. We look forward to building lasting relationships and guarantee your satisfaction. Give us a call today to get your project started.

A-Z Construction is a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. You will find us to be competitively priced while still paying close attention to the details of each and every project we are involved with. We look forward to building lasting relationships and guarantee your satisfaction. Give us a call today to get your project started.


Avatar for Now Heating & Air
Now Heating & Air
8661 Rosemary Street
4.50(
19
)
Approved Pro
Now Heating & Air
8661 Rosemary Street
4.50(
19
)
Approved Pro
Customers say: Quick response
36 years of experience

Welcome to Now Heating & Air Since 1989, we have provided expert service for residential and commercial HVAC installation, repair, and maintenance in Denver, Boulder, and the surrounding areas. Whether you need new system installation or system retrofit, our professional technicians will assess your needs and provide a system for your home or business that will exceed your expectations. Our technicians have extensive training and experience with the heating and air conditioning units we install, as well as all other types of residential systems to ensure efficient air conditioning and heating repair for your home. We provide repair, replacement, and preventative maintenance for air conditioners, furnace repair, furnace replacement, heat pumps, air duct cleaning, humidifiers, and more.

"BEN was fantastic. Very knowledgeable and explained every step of the process in complete detail. Within 5 mins of a seeing the unit he knew exactly what the problem was and how to fix it. Ben listened to our concerns and gave us better options for optimal performance of our system and also recommendations for this problem . Eliminating reoccurrence and the appropriate maintenance schedule recommended for our unit. With his wealth of knowledge and approach NOW is very lucky to have BEN on their team."

Louella N on August 2021

Welcome to Now Heating & Air Since 1989, we have provided expert service for residential and commercial HVAC installation, repair, and maintenance in Denver, Boulder, and the surrounding areas. Whether you need new system installation or system retrofit, our professional technicians will assess your needs and provide a system for your home or business that will exceed your expectations. Our technicians have extensive training and experience with the heating and air conditioning units we install, as well as all other types of residential systems to ensure efficient air conditioning and heating repair for your home. We provide repair, replacement, and preventative maintenance for air conditioners, furnace repair, furnace replacement, heat pumps, air duct cleaning, humidifiers, and more.

"BEN was fantastic. Very knowledgeable and explained every step of the process in complete detail. Within 5 mins of a seeing the unit he knew exactly what the problem was and how to fix it. Ben listened to our concerns and gave us better options for optimal performance of our system and also recommendations for this problem . Eliminating reoccurrence and the appropriate maintenance schedule recommended for our unit. With his wealth of knowledge and approach NOW is very lucky to have BEN on their team."

Louella N on August 2021


Avatar for Pinnacle Heating and Air Conditioning, LLC
Pinnacle Heating and Air Conditioning, LLC
325 N Holcomb St
5.00(
40
)
Approved Pro
Pinnacle Heating and Air Conditioning, LLC
325 N Holcomb St
5.00(
40
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
5 years of experience

Pinnacle Heating and Air Conditioning was started with one simple goal in mind; To provide the highest level of service without the high cost. Pinnacle is here to offer homeowners customized solutions tailored specifically to your needs and home. All of our work is backed by a 100% satisfaction guarantee and the best warranties available for your peace of mind. Give Pinnacle Heating and Air a call and find out why Pinnacle is the right choice to elevate your home's comfort!

"Excellent experience. Very knowledgeable, diagnosed problem in minutes, followed by repair (had the parts with), very nice guys....highly recommend them ."

Steve T on September 2022

Pinnacle Heating and Air Conditioning was started with one simple goal in mind; To provide the highest level of service without the high cost. Pinnacle is here to offer homeowners customized solutions tailored specifically to your needs and home. All of our work is backed by a 100% satisfaction guarantee and the best warranties available for your peace of mind. Give Pinnacle Heating and Air a call and find out why Pinnacle is the right choice to elevate your home's comfort!

"Excellent experience. Very knowledgeable, diagnosed problem in minutes, followed by repair (had the parts with), very nice guys....highly recommend them ."

Steve T on September 2022


Avatar for Good Day Mechanical, LLC
Good Day Mechanical, LLC
7482 Exeter Court
4.83(
3
)
Approved Pro
Good Day Mechanical, LLC
7482 Exeter Court
4.83(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

Good Day Mechanical, ll is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Very good manners and had all the answers"

Duane I on February 2023

Good Day Mechanical, ll is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Very good manners and had all the answers"

Duane I on February 2023


Avatar for JC Mechanical Heating & Air Conditioning LLC
JC Mechanical Heating & Air Conditioning LLC
7390 S Fraser St Unit B
4.78(
62
)
Approved Pro
JC Mechanical Heating & Air Conditioning LLC
7390 S Fraser St Unit B
4.78(
62
)
Approved Pro
Customers say: Quality work
6 years of experience
Free onsite estimate

We opened our doors in 2019 and since then we have served thousands of clients throughout denver and all the surrounding cities . All of our employees are certified , background checked , and drug tested so you know that you can trust who's coming in your home . We strive to give the best experience possible to all of our customers and always do what we promise in a timely manner . We are fully licensed and continuouslly train so we know that we can provide the best options possible for all of your HVAC needs . We hope to be your choice for all of your HVAC needs for years to come .

"Great response and service. We replaced a furnace at our home."

Dan N on April 2024

We opened our doors in 2019 and since then we have served thousands of clients throughout denver and all the surrounding cities . All of our employees are certified , background checked , and drug tested so you know that you can trust who's coming in your home . We strive to give the best experience possible to all of our customers and always do what we promise in a timely manner . We are fully licensed and continuouslly train so we know that we can provide the best options possible for all of your HVAC needs . We hope to be your choice for all of your HVAC needs for years to come .

"Great response and service. We replaced a furnace at our home."

Dan N on April 2024


Avatar for Squeaks Services Inc.
Squeaks Services Inc.
4620 East Colfax Ave
4.46(
296
)
Approved Pro
Squeaks Services Inc.
4620 East Colfax Ave
4.46(
296
)
Approved Pro
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
42 local quotes requested

At Squeaks Services, we proudly provide top-notch residential and commercial services, including Plumbing, Heating, Cooling, Natural Gas, Boilers, Swamp Coolers, Water Heaters, Toilets, Sewer and Drain Cleaning, Drain Repair, Pipe Repair, Pipe Replacement, and Sewer Repair & Installation. We also specialize in Whole Home Water Purification, Humidification, and Air Purification to enhance your home’s comfort and safety. As a locally owned and operated business, we are fully licensed and insured, delivering expert solutions you can trust. Our focus on preventative maintenance keeps your plumbing and HVAC systems clean, safe, and running efficiently year-round. Take advantage of new install rebates, tax incentives, and flexible financing options to make your upgrades more affordable. Why Choose Squeaks Services? Affordable $65 trip charge for repairs. Free estimates for all homeowners. Exceptional customer care and attention to detail.

"Professional service. Good communication throughout."

Wendell S on May 2025

At Squeaks Services, we proudly provide top-notch residential and commercial services, including Plumbing, Heating, Cooling, Natural Gas, Boilers, Swamp Coolers, Water Heaters, Toilets, Sewer and Drain Cleaning, Drain Repair, Pipe Repair, Pipe Replacement, and Sewer Repair & Installation. We also specialize in Whole Home Water Purification, Humidification, and Air Purification to enhance your home’s comfort and safety. As a locally owned and operated business, we are fully licensed and insured, delivering expert solutions you can trust. Our focus on preventative maintenance keeps your plumbing and HVAC systems clean, safe, and running efficiently year-round. Take advantage of new install rebates, tax incentives, and flexible financing options to make your upgrades more affordable. Why Choose Squeaks Services? Affordable $65 trip charge for repairs. Free estimates for all homeowners. Exceptional customer care and attention to detail.

"Professional service. Good communication throughout."

Wendell S on May 2025

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FAQs for central a/c service or repair projects in Castle Rock, CO

Yes, a once-a-year tune-up keeps the system efficient and helps it last longer. During the visit, a technician cleans coils, checks electrical connections, and swaps or cleans the filter. Catching small issues now stops bigger, pricier failures later, so that a quick appointment saves money and stress over the life of the unit.

Changing your AC filter every 30 days is necessary to maintain optimal performance and high indoor air quality. Regular filter replacement prevents dust buildup, ensures efficient airflow, and protects the system from stress that could lead to costly repairs. This disciplined maintenance routine not only boosts energy efficiency but also prolongs the lifespan of your unit by safeguarding its critical components.

An HVAC service plan is worth the cost, especially if you forget to schedule maintenance on your own. A service plan locks in yearly (or twice-yearly) visits, allowing a professional to identify small problems early, clean key components, and maintain energy efficiency. Many plans also include minor repairs or priority scheduling, which can pay for themselves if an unexpected issue pops up.

In a pre-season service visit, your technician gives your system a top-to-bottom check before peak season hits. Expect a filter change, thermostat test, condenser-line flush, electrical-connection check, and coil cleaning. They also tighten loose parts and make minor adjustments so the unit fires up without surprises when temperatures swing. That quick tune-up cuts the risk of mid-season breakdowns and keeps energy use in line.

The Castle Rock, CO homeowners’ guide to central a/c service or repairs
From average costs to expert advice, get all the answers you need to get your job done.
home humidifier installed in ductwork in home
Jun 21, 2025
Jun 21, 2025
Budget for whole-house humidifier costs, based on factors such as humidifier type, power source, labor, maintenance, and more.
Technician services outside AC units and generator
Apr 30, 2025
Apr 30, 2025
Budget for HVAC maintenance costs based on factors such as unit age, time of year, repair task, warranties, condition, service plans, and more.
professional installing home humidifier system
Apr 29, 2025
Apr 29, 2025
Budget for whole-house dehumidifier costs based on factors such as unit type, capacity, efficiency, ductwork, drainage, labor, permits, and more.
Technician performing annual ac tune up
Apr 29, 2025
Apr 29, 2025
Budget for AC evaporator coil replacement costs based on factors such as your AC unit’s tonnage, coil style, professional labor rates, and more.
home air conditioner being recharged with freon
Apr 26, 2025
Apr 26, 2025
Need an AC Recharge? Here’s how much it costs, what factors affect cost, and what to expect.
A boy changing thermostat’s temperature using a smartphone
Apr 25, 2025
Apr 25, 2025
Budget for AC coil cleaning costs based on factors such as cleaning frequency, coil type, cleaning method, accessibility, ongoing maintenance, and more.
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