AC and Furnace Repair in Castle Rock, CO

Living in Castle Rock, CO, is Better With Indoor Comfort Systems From Nytech Heating, Cooling, and Plumbing

Castle Rock was first settled in the 1870s. It is named for the prominent rock formation that overlooks the town. The discovery of rhyolite nearby is what put Castle Rock on the map and made it an important station for north-south railroad traffic. Nowadays, Castle Rock is a thriving community bubbling with interesting, quirky, fun, and beautiful places to visit and activities to do. Between entertainment and farmers markets as well as outlet shopping and dozens of outside activities like ziplines and hiking, there is truly something for everyone.

The lowest temperature on record for Castle Rock was -37 degrees F in January of 1913, while the highest recorded temperature was 102 degrees F in July of 2022. Generally, the temperatures range from 15 degrees F to the upper ‘80s throughout the year. With such a wide range of differing climates, it is important to have an HVAC company you can trust. Nytech Heating, Cooling, and Plumbing is passionate about your comfort.

Nytech Heating, Cooling, and Plumbing Providing HVAC Solutions for
Homeowners in Castle Rock since 1997

  • Boiler Installation Castle Rock CO
    Boiler Water Heater Combo Morgan Place Castle Rock CO

    Customer called for boiler service due to the moisture sensor not working on the driveway system. Our technician performed a thorough diagnostic and found several issues including a failed ignitor, failed sensors, and a leaky boiler. Due to age and repair cost our customer decided to replace the system. We installed a new modulating boiler with a 46-gallon water heater. Our customer will enjoy years of reliable heat and hot water!

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  • Boiler Installation Castle Rock CO
    Boiler Replacement Henry Ct in Castle Rock CO

    During a diagnostic visit, our technician found that the original installation of the boiler had been done incorrectly. The incorrect installation was driving up energy costs and causing comfort issues. Our customer wanted to replace the system with a new high-efficiency modulating boiler to improve efficiency, energy savings, and comfort. We completed the installation of the boiler and zoning system so our customer will enjoy years of comfort and reliable service.

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  • Full System Replacement – Fareham Court in Castle Rock
    Full System Replacement – Fareham Court in Castle Rock

    A longtime customer of ours who is also a Total Care Club member scheduled their annual heating maintenance appointment for their 19 year old furnace. Like every maintenance appointment, our tech performed a combustion and heat analysis and discovered that the blower motor was leaking oil and ignitor was flecking. They spoke to the homeowner about the pros and cons of repairs vs replacement, and the homeowner decided to move forward with setting up a comfort consultation for a furnace replacement. The techs at Nytech replaced both the furnace and air conditioner and added a humidifier and new Sensi-Touch thermostat for the ultimate upgrade in home comfort. The Lennox furnace is a standard efficiency, multi-stage variable speed furnace and the Lennox a/c is a single stage, mid efficiency air conditioner. This new system is backed by our Golden Guarantees.

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  • Daikin Furnace Replacement – Coach House Loop in Castle Rock
    Daikin Furnace Replacement – Coach House Loop in Castle Rock

    We were called out on a no heat repair call on a cold March day and got straight to work. Upon diagnosis, our techs discovered the induced draft motor spinning without load, which was caused broken fan assembly pieces inside its housing. They also noted rust on the top of the blower deck, which lead them to inspect the secondary heat exchanger. To their surprise, they discovered the secondary heat exchanger had failed, which brings the potential for the furnace to have carbon monoxide related issues and/or flame roll out issues. Both the induced draft motor and the heat exchanger would need to be fully replaced in order to bring system back into safe operation. These repairs exceed the value of the furnace, so it was recommended to replace the furnace instead of repair, and the replacement was scheduled for the next day. We replaced their furnace with a high efficiency Daikin furnace and custom plenum. This new system is backed by our Golden Guarantees.

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For Your Indoor Comfort Needs in Castle Rock, Nytech Heating, Cooling, and Plumbing Is There

At Nytech Heating, Cooling, and Plumbing, we’re passionate about providing great service to our customers, and that shows in everything we do. From the moment you contact our team for heating or AC repair, maintenance, or installation, you’ll work with qualified HVAC experts who care about your indoor comfort. We value your time. Our main goal is to resolve your HVAC problems quickly and at a great price.

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We Guarantee Everything We Do!

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"Test Drive" Replacement Guarantee

Call Nytech Heating, Cooling, and Plumbing For Trusted HVAC & Plumbing Services

We Are Nytech Heating, Cooling, and Plumbing, A Name You Can Trust

Your feedback counts! Everyone loves a compliment, and they're important because they reinforce excellence. But, criticism is often more valuable, as it points to opportunities to serve you better. We love when our customers talk to us. It's the only way we can ensure your satisfaction…and that is what matters most.

  • ★★★★★
    Jamie
    Timely and great service. So happy with the installers Levi and Brody. They both were very knowledgeable and provided informative details about the furnace.
  • ★★★★★
    Clinton
    Tyler was great he took the time to make sure the job was done correctly and that we were satisfied with the results. I highly recommend this company if you need work done one a boiler heating system!
  • ★★★★★
    Mike
    Eli Newell was excellent! He was very thorough in his inspections of the furnace and HVAC system, and made thoughtful preventative recommendations to stay on top of things. Definitely recommend.
  • ★★★★★
    Jeffrey
    We have a maintenance contract for heating/AC, plumbing, and electrical. Staff is personable and professional. Have had no quality issues.
  • ★★★★★
    Howard
    This is how membership should work!!! We came home from travel and our heater was not working we called in the morning at 7 am and Logan was there at 8 am, problem solved and new pressure switch installed and done by 10 am. NYTECH is awesome and their team is fantastic!!

Nytech's Products and Services

Recent Jobs and Reviews in Castle Rock, CO

Rated 5.0 out of 5 stars based on 1089 customer reviews

Customers say: The recent reviews expresses a positive sentiment towards Nytech. The majority of reviews mention positive experiences with the company, highlighting their professionalism, efficiency, and courteous service. Customers appreciate the timely arrival of technicians, the quality of work, and the overall positive experience. Recurring themes include technicians being knowledgeable, courteous, and effective in resolving issues. Customers also mention the convenience of the text message updates and the thoroughness of the service provided. However, there are a few negative reviews that mention issues with pricing and the recommendation to purchase a new furnace, which contrasts with the overall positive tone of the reviews. Overall, the sentiment is positive, with customers expressing satisfaction with Nytech's services and recommending the company for their heating and cooling needs.

Job Locations and Reviews

Castle Rock, CO - Lennox Furnace Maintenance.
Robert S.
Robert S. Checked in
Lennox Furnace Maintenance.
Castle Rock, CO 80108
Mike M.
Mike M. Checked in
Furnace replacement
Castle Rock, CO 80104
Castle Rock, CO - Annual heating maintenance check
Tyler D.
Tyler D. Checked in
Annual heating maintenance check
Castle Rock, CO 80108
Castle Rock, CO - Carrier furnace repair
Ryan G.
Ryan G. Checked in
Carrier furnace repair
Castle Rock, CO 80108
Levi T.
Levi T. Checked in
Performed install of Lennox furnace
Castle Rock, CO 80104
Castle Rock, CO - Pureair kit annual maintenance.
Robert S.
Robert S. Checked in
Pureair kit annual maintenance.
Castle Rock, CO 80108
Brayden H.
Brayden H. Checked in
Plumber to perform whole house inspection.
Castle Rock, CO 80104
Mike M.
Mike M. Checked in
Furnace and ac replacement
Castle Rock, CO 80109
Brayden H.
Brayden H. Checked in
Replace 20 year old non functioning steam shower.
Castle Rock, CO 80109
Brayden H.
Brayden H. Checked in
Replace 30 year old leaking boiler.
Castle Rock, CO 80109
Castle Rock, CO - Lennox furnace maintenance
Ryan G.
Ryan G. Checked in
Lennox furnace maintenance
Castle Rock, CO 80108
Castle Rock, CO - Zone system repair
Ryan G.
Ryan G. Checked in
Zone system repair
Castle Rock, CO 80108
Castle Rock, CO - Lennox Furnace Maintenance.
Robert S.
Robert S. Checked in
Lennox Furnace Maintenance.
Castle Rock, CO 80104
Castle Rock, CO - Furnace repair
Tyler D.
Tyler D. Checked in
Furnace repair
Castle Rock, CO 80109
Castle Rock, CO - Rheem furnace repair
Tyler D.
Tyler D. Checked in
Rheem furnace repair
Castle Rock, CO 80104
Castle Rock, CO - Lennox Furnace Maintenance.
Robert S.
Robert S. Checked in
Lennox Furnace Maintenance.
Castle Rock, CO 80109
Castle Rock, CO - Plumber to come out to take a look at a leaking shower head
Trenton J.
Trenton J. Checked in
Plumber to come out to take a look at a leaking shower head
Castle Rock, CO 80109
Castle Rock, CO - Goodman Furnace Maintenance.
Robert S.
Robert S. Checked in
Goodman Furnace Maintenance.
Castle Rock, CO 80104
Castle Rock, CO - Lennox furnace repair
Ryan G.
Ryan G. Checked in
Lennox furnace repair
Castle Rock, CO 80108
Brayden H.
Brayden H. Checked in
Plumber to install insta hot under sink water heater.
Castle Rock, CO 80108
Castle Rock, CO - Lennox Furnace Maintenance.
Robert S.
Robert S. Checked in
Lennox Furnace Maintenance.
Castle Rock, CO 80104
Brayden H.
Brayden H. Checked in
Plumber to repair leaking water heater.
Castle Rock, CO 80109
Castle Rock, CO - Double Bryant Furnace Maintenance.
Robert S.
Robert S. Checked in
Double Bryant Furnace Maintenance.
Castle Rock, CO 80108
Castle Rock, CO - Plumber to come out to replace a leaking shower head
Trenton J.
Trenton J. Checked in
Plumber to come out to replace a leaking shower head
Castle Rock, CO 80104
Brayden H.
Brayden H. Checked in
Plumber to repair leaking hosebib.
Castle Rock, CO 80104
Castle Rock, CO - Plumbing drain issue
Ryan G.
Ryan G. Checked in
Plumbing drain issue
Castle Rock, CO 80104
Brayden H.
Brayden H. Checked in
Plumber to repair non working fireplace.
Castle Rock, CO 80108
Castle Rock, CO - Plumber to come out today to do a whole home plumbing inspection
Trenton J.
Trenton J. Checked in
Plumber to come out today to do a whole home plumbing inspection
Castle Rock, CO 80108
Castle Rock, CO - Lennox Furnace Maintenance.
Robert S.
Robert S. Checked in
Lennox Furnace Maintenance.
Castle Rock, CO 80108
Castle Rock, CO - HVAC flue repair
Ryan G.
Ryan G. Checked in
HVAC flue repair
Castle Rock, CO 80109
Brayden H.
Brayden H. Checked in
Plumber to service water heater and inspect whole home.
Castle Rock, CO 80109
Castle Rock, CO - Carrier furnace maintenance
Tyler D.
Tyler D. Checked in
Carrier furnace maintenance
Castle Rock, CO 80104
Castle Rock, CO - Lennox Furnace Maintenance.
Robert S.
Robert S. Checked in
Lennox Furnace Maintenance.
Castle Rock, CO 80104
Castle Rock, CO - Carrier and Goodman Furnace Maintenance.
Robert S.
Robert S. Checked in
Carrier and Goodman Furnace Maintenance.
Castle Rock, CO 80108
Castle Rock, CO - Plumber to repair leaking boiler.
Brayden H.
Brayden H. Checked in
Plumber to repair leaking boiler.
Castle Rock, CO 80109
Castle Rock, CO - Plumber to replace toilets.
Brayden H.
Brayden H. Checked in
Plumber to replace toilets.
Castle Rock, CO 80109
Castle Rock, CO - Plumber to come out today to take a look at a leaking toilet
Trenton J.
Trenton J. Checked in
Plumber to come out today to take a look at a leaking toilet
Castle Rock, CO 80104
Brayden H.
Brayden H. Checked in
Plumber to replace leaking water heater.
Castle Rock, CO 80108
Castle Rock, CO - Drain line repair
Anthony P.
Anthony P. Checked in
Drain line repair
Castle Rock, CO 80104
Castle Rock, CO - Rheem furnace repair
Tyler D.
Tyler D. Checked in
Rheem furnace repair
Castle Rock, CO 80109
Tyler D.
Tyler D. Checked in
Rheem furnace repair
Castle Rock, CO 80109
Brayden H.
Brayden H. Checked in
Plumber to install dual sump pumps system.
Castle Rock, CO 80104
Castle Rock, CO - Goodman Furnace Maintenance.
Robert S.
Robert S. Checked in
Goodman Furnace Maintenance.
Castle Rock, CO 80104
Castle Rock, CO - Payne Furnace Maintenance.
Robert S.
Robert S. Checked in
Payne Furnace Maintenance.
Castle Rock, CO 80109
Castle Rock, CO - Trane Furnace Repair.
Robert S.
Robert S. Checked in
Trane Furnace Repair.
Castle Rock, CO 80104
Review
Our service tech arrived on time and he was friendly and courteous. He identified the problem quickly, replaced the part needed on the spot, and the system now seems to work well. Plain and simple...it was a good experience and your technician is a credit to your business. Well done.
Iris - Castle Rock, CO 80109
Review
Nytec and Brennen provided expert service and advice during my annual service of my HVAC system. Professional in all aspects. I love their care and have no worries on system performance after they have serviced them.
Bruce - Castle Rock, CO 80108
Review
Knowledgeable, courteous tech efficientLy repaired my air conditioner
Susan - Castle Rock, CO 80108
Review
Kellen is amazing! My AC went out at 10:30pm and he came out at 11:00pm and was able to repair it right away! He was so kind and knowledgeable! I am very grateful he was able to help me!
Lucia - Castle Rock, CO 80109
Review
Great service
Renee - Castle Rock, CO 80108
Review
Kellen was careful and very thorough. Great job of explaining problems current and future. Completely satisfied!
Janet - Castle Rock, CO 80108
Review
Great service
Brandon - Castle Rock, CO 80109
Review
Kellon was polite and informative. Good technician!
Mike - Castle Rock, CO 80109
Review
Highly recommend and appreciate Brennen and Nytech! Great service experience!
Lori - Castle Rock, CO 80109
Review
Benji was a true pro!! Took the time to explain the problem, offered multiple options and solved my AC problem. This company really “gets it”.
Charlie - Castle Rock, CO 80104
Review
Good man you have! Keep him
Kirk Sutton - Castle Rock, CO 80109
Review
I always recommend Nytec given the chance. They never disappoint
Tom - Castle Rock, CO 80104
Review
excellent service and helpful.
Taryn - Castle Rock, CO 80108
Review
Nytech always shows up on time, very professional and so friendly
Susan - Castle Rock, CO 80109
Review
Great service, very informative
Benny - Castle Rock, CO 80104
Review
Brennen was on time, thorough, professional and friendly while he serviced our AC. I would definitely recommend him/Nytech for your HVAC needs.
Rebecca - Castle Rock, CO 80108
Review
As always, great service and the best customer service in the business. AlwYs a pleasure and never disappointed.
Sean - Castle Rock, CO 80104
Review
Colt and his teammate helped to repair two A/C units in Castle Pines and Highlands Ranch last few days. Colt quickly identified/replaced the parts, clearly explained the issues and provided a complete A/C service checklist report including the detailed A/C unit technical parameters and status. I am satisfied with their expertise and the quality of the services.
Dennis - Castle Rock, CO 80108
Review
Brennen was very courteous and professional. He performed the maintenance and explained the things I needed to do for my air unit. I never feel like I get cheated by NyTech
Ray - Castle Rock, CO 80109
Review
Great Service!
Osborn - Castle Rock, CO 80109
Review
Noted above
Bishop - Castle Rock, CO 80104
Review
Repeat customer. Explains service well.
Chris - Castle Rock, CO 80104
Review
Colt Williams was amazing. Extremely knowledgeable about his work.
Angie - Castle Rock, CO 80104
Review
Brennen did an excellent job, explaining to me each step he would be doing while checking out my airconditioner. He listened to, and answered my questions and provided suggestions when appropriate. He was very cognizant of this being my house, and checked with me the best place to park, made sure to put on shoe coverings, greeted my dog, and explained all that had been done when finished. He remained attentive and professional throughout the servicing. Thank you, Brennen!
Jean - Castle Rock, CO 80104
Review
Good service and detailed. Was good when listening to our plans with moving and what we really needed for now.
Sarah - Castle Rock, CO 80109
Review
The technician who responded was very friendly and informative during the inspection.
Andrew - Castle Rock, CO 80109
Review
Colt was such a sweetheart, we were very happy with the service and happy to have air on again! Thank you!
Lorin - Castle Rock, CO 80108
Review
Great Service with easy to understand explanations
BJ - Castle Rock, CO 80104
Review
Great Service
Coskun - Castle Rock, CO 80104
Review
Did a great job. Saved me money on filters by ordering larger qty
Boyd - Castle Rock, CO 80108
Review
Colt was awesome! It didn’t take that long to get the parts and get them installed to have our equipment running like it should. I will share with anyone who is looking for heating and cooling.
Kaplan - Castle Rock, CO 80104
Review
Solid service
Scott - Castle Rock, CO 80104
Review
It’s a nice feeling when you know your chosen vendor has your best interest in mind. I appreciate the long game strategy approach that your company has embraced.
DeRamus - Castle Rock, CO 80104
Review
Kellen did a grand job going through my four ac units. He was thorough, knowledgeable and gave me a good summery report.
Glan - Castle Rock, CO 80109
Review
Great
Ken - Castle Rock, CO 80108
Review
Brennen provided excellent and informative information and service
Steven - Castle Rock, CO 80104
Review
I don’t know anything about the mechanics of the heating system that he checked, but he was most helpful (changed the filter and adjusted the vents in the bedroom). He has a very pleasant vibe and explained what he did. A very pleasant experience. He worked diligently until his job was done.
Nancy - Castle Rock, CO 80109
Review
Nytech can always be counted on. Brennen was timely, efficient and friendly. Greatly appreciate him finding the problem and fixing my AC!
Rachel - Castle Rock, CO 80104
Review
Great service
Mark - Castle Rock, CO 80104
Review
Great service, friendly staffs
Quin - Castle Rock, CO 80109
Review
Excellent
Lauren - Castle Rock, CO 80109
Review
Kellen notified us of arrival time. He wore a mask, gloves, and shoe covering during the entire service period. He did trouble shooting and explained possible issues. He was a very courteous young man.
Aurelia - Castle Rock, CO 80109
Review
Brennen did a great job. Very respectful, thoughtful and accommodating.
Debbie - Castle Rock, CO 80109
Review
Great!!
Yvonne - Castle Rock, CO 80104
Review
quick & easy
Kelly - Castle Rock, CO 80109